Corrections

This reverts commit 167bb1f2c5.

SPiluSZharuProject/SPiluSZharuBuisnessLogic/Implementations/PostBuisnessLogicContract.cs

@@ -0,0 +1,93 @@
+using SPiluSZharuContracts.BuisnessLogicContracts;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.StorageContracts;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.Extensions;
+
+namespace SPiluSZharuBuisnessLogic.Implementations;
+
+internal class PostBuisnessLogicContract(IPostStorageContract postStorageContract, ILogger logger) : IPostBuisnessLogicContract
+{
+    private readonly ILogger _logger = logger;
+    private readonly IPostStorageContract _postStorageContract = postStorageContract;
+
+    public List<PostDataModel> GetAllPosts()
+    {
+        _logger.LogInformation("GetAllPosts");
+        return _postStorageContract.GetList() ?? throw new NullListException();
+    }
+
+    public List<PostDataModel> GetAllDataOfPost(string postId)
+    {
+        _logger.LogInformation("GetAllDataOfPost for {postId}", postId);
+        if (postId.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(postId));
+        }
+        if (!postId.IsGuid())
+        {
+            throw new ValidationException("The value in the field postId is not a unique identifier.");
+        }
+        return _postStorageContract.GetPostWithHistory(postId) ?? throw new NullListException();
+    }
+
+    public PostDataModel GetPostByData(string data)
+    {
+        _logger.LogInformation("Get element by data: {data}", data);
+        if (data.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(data));
+        }
+        if (data.IsGuid())
+        {
+            return _postStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
+        }
+        return _postStorageContract.GetElementByName(data) ?? throw new ElementNotFoundException(data);
+    }
+
+    public void InsertPost(PostDataModel postDataModel)
+    {
+        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(postDataModel));
+        ArgumentNullException.ThrowIfNull(postDataModel);
+        postDataModel.Validate();
+        _postStorageContract.AddElement(postDataModel);
+    }
+
+    public void UpdatePost(PostDataModel postDataModel)
+    {
+        _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(postDataModel));
+        ArgumentNullException.ThrowIfNull(postDataModel);
+        postDataModel.Validate();
+        _postStorageContract.UpdElement(postDataModel);
+    }
+
+    public void DeletePost(string id)
+    {
+        _logger.LogInformation("Delete by id: {id}", id);
+        if (id.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(id));
+        }
+        if (!id.IsGuid())
+        {
+            throw new ValidationException("Id is not a unique identifier");
+        }
+        _postStorageContract.DelElement(id);
+    }
+
+    public void RestorePost(string id)
+    {
+        _logger.LogInformation("Restore by id: {id}", id);
+        if (id.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(id));
+        }
+        if (!id.IsGuid())
+        {
+            throw new ValidationException("Id is not a unique identifier");
+        }
+        _postStorageContract.ResElement(id);
+    }
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/Implementations/ProductBuisnessLogicContract.cs

@@ -0,0 +1,94 @@
+using Microsoft.Extensions.Logging;
+using SPiluSZharuContracts.BuisnessLogicContracts;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.Enums;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.Extensions;
+using SPiluSZharuContracts.StorageContracts;
+using System.Text.Json;
+
+namespace SPiluSZharuBuisnessLogic.Implementations;
+
+internal class ProductBuisnessLogicContract(IProductStorageContract productStorageContract, ILogger logger) : IProductBuisnessLogicContract
+{
+    private readonly ILogger _logger = logger;
+    private readonly IProductStorageContract _productStorageContract = productStorageContract;
+
+    public List<ProductDataModel> GetAllProducts(bool onlyActive = true)
+    {
+        _logger.LogInformation("GetAllProducts params: {onlyActive}", onlyActive);
+        return _productStorageContract.GetList(onlyActive) ?? throw new NullListException();
+    }
+
+    public List<ProductDataModel> GetAllProductsByRestaurant(string restaurantId, bool onlyActive = true)
+    {
+        if (restaurantId.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(restaurantId));
+        }
+        if (!restaurantId.IsGuid())
+        {
+            throw new ValidationException("The value in the field restaurantId is not a unique identifier.");
+        }
+        _logger.LogInformation("GetAllProducts params: {restaurantId}, {onlyActive}", restaurantId, onlyActive);
+        return _productStorageContract.GetList(onlyActive, restaurantId) ?? throw new NullListException();
+    }
+
+    public List<ProductHistoryDataModel> GetProductHistoryByProduct(string productId)
+    {
+        _logger.LogInformation("GetProductHistoryByProduct for {productId}", productId);
+        if (productId.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(productId));
+        }
+        if (!productId.IsGuid())
+        {
+            throw new ValidationException("The value in the field productId is not a unique identifier.");
+        }
+        return _productStorageContract.GetHistoryByProductId(productId) ?? throw new NullListException();
+    }
+
+    public ProductDataModel GetProductByData(string data)
+    {
+        _logger.LogInformation("Get element by data: {data}", data);
+        if (data.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(data));
+        }
+        if (data.IsGuid())
+        {
+            return _productStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
+        }
+        return _productStorageContract.GetElementByName(data) ?? throw new ElementNotFoundException(data);
+    }
+
+    public void InsertProduct(ProductDataModel productDataModel)
+    {
+        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(productDataModel));
+        ArgumentNullException.ThrowIfNull(productDataModel);
+        productDataModel.Validate();
+        _productStorageContract.AddElement(productDataModel);
+    }
+
+    public void UpdateProduct(ProductDataModel productDataModel)
+    {
+        _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(productDataModel));
+        ArgumentNullException.ThrowIfNull(productDataModel);
+        productDataModel.Validate();
+        _productStorageContract.UpdElement(productDataModel);
+    }
+
+    public void DeleteProduct(string id)
+    {
+        _logger.LogInformation("Delete by id: {id}", id);
+        if (id.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(id));
+        }
+        if (!id.IsGuid())
+        {
+            throw new ValidationException("Id is not a unique identifier");
+        }
+        _productStorageContract.DelElement(id);
+    }
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/Implementations/ReportContract.cs

@@ -0,0 +1,101 @@
+using Microsoft.Extensions.Logging;
+using SPiluSZharuBuisnessLogic.OfficePackage;
+using SPiluSZharuContracts.BuisnessLogicContracts;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.Extensions;
+using SPiluSZharuContracts.StorageContracts;
+
+namespace SPiluSZharuBuisnessLogic.Implementations;
+
+internal class ReportContract(IProductStorageContract productStorageContract, ISaleStorageContract saleStorageContract, ISalaryStorageContract salaryStorageContract, BaseWordBuilder baseWordBuilder, BaseExcelBuilder baseExcelBuilder, BasePdfBuilder basePdfBuilder, ILogger logger) : IReportContract
+{
+    private readonly IProductStorageContract _productStorageContract = productStorageContract;
+
+    private readonly ISaleStorageContract _saleStorageContract = saleStorageContract;
+
+    private readonly ISalaryStorageContract _salaryStorageContract = salaryStorageContract;
+
+    private readonly BaseWordBuilder _baseWordBuilder = baseWordBuilder;
+
+    private readonly BaseExcelBuilder _baseExcelBuilder = baseExcelBuilder;
+
+    private readonly BasePdfBuilder _basePdfBuilder = basePdfBuilder;
+
+    private readonly ILogger _logger = logger;
+
+    internal static readonly string[] documentHeader = ["Ресторан", "Товар"];
+
+    internal static readonly string[] tableHeader = ["Дата", "Сумма", "Товар", "Кол-во"];
+
+    public async Task<Stream> CreateDocumentProductsByRestaurantAsync(CancellationToken ct)
+    {
+        _logger.LogInformation("Create report ProductsByRestaurant");
+        var data = await GetDataByProductsAsync(ct);
+        return _baseWordBuilder
+            .AddHeader("Продукты по ресторанам")
+            .AddParagraph($"Сформировано на дату {DateTime.Now}")
+            .AddTable([3000, 5000], [.. new List<string[]>() { documentHeader }.Union([.. data.SelectMany(x => (new List<string[]>() { new string[] { x.RestaurantName, "" } }).Union(x.Products.Select(y => new string[] { "", y })))])])
+            .Build();
+    }
+
+    public async Task<Stream> CreateDocumentSalesByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct)
+    {
+        _logger.LogInformation("Create report SalesByPeriod from {dateStart} to {dateFinish}", dateStart, dateFinish);
+        var data = await GetDataBySalesAsync(dateStart, dateFinish, ct) ?? throw new InvalidOperationException("No found data");
+        return _baseExcelBuilder
+            .AddHeader("Продажи за период", 0, 4)
+            .AddParagraph($"c {dateStart.ToShortDateString()} по {dateFinish.ToShortDateString()}", 2)
+            .AddTable([10, 10, 10, 10], [.. new List<string[]>() { tableHeader }.Union(data.SelectMany(x => (new List<string[]>() { new string[] { x.SaleDate.ToShortDateString(), x.Sum.ToString("N2"), "", "" } }).Union(x.Products!.Select(y => new string[] { "", "", y.ProductName, y.Count.ToString("N2") })).ToArray())).Union([["Всего", data.Sum(x => x.Sum).ToString("N2"), "", ""]])])
+            .Build();
+    }
+
+    public async Task<Stream> CreateDocumentSalaryByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct)
+    {
+        _logger.LogInformation("Create report SalaryByPeriod from {dateStart} to {dateFinish}", dateStart, dateFinish);
+        var data = await GetDataBySalaryAsync(dateStart, dateFinish, ct) ?? throw new InvalidOperationException("No found data");
+        return _basePdfBuilder
+            .AddHeader("Зарплатная ведомость")
+            .AddParagraph($"за период с {dateStart.ToShortDateString()} по {dateFinish.ToShortDateString()}")
+            .AddPieChart("Начисления", [.. data.Select(x => (x.WorkerFIO, x.TotalSalary))])
+            .Build();
+    }
+
+    public Task<List<RestaurantProductDataModel>> GetDataProductsByRestaurantAsync(CancellationToken ct)
+    {
+        _logger.LogInformation("Get data ProductsByRestaurant");
+        return GetDataByProductsAsync(ct);
+    }
+
+    public Task<List<SaleDataModel>> GetDataSaleByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct)
+    {
+        _logger.LogInformation("Get data SalesByPeriod from {dateStart} to {dateFinish}", dateStart, dateFinish);
+        return GetDataBySalesAsync(dateStart, dateFinish, ct);
+    }
+
+    public Task<List<WorkerSalaryByPeriodDataModel>> GetDataSalaryByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct)
+    {
+        _logger.LogInformation("Get data SalaryByPeriod from {dateStart} to {dateFinish}", dateStart, dateFinish);
+        return GetDataBySalaryAsync(dateStart, dateFinish, ct);
+    }
+
+    private async Task<List<RestaurantProductDataModel>> GetDataByProductsAsync(CancellationToken ct) => [.. (await _productStorageContract.GetListAsync(ct)).GroupBy(x => x.RestaurantName).Select(x => new RestaurantProductDataModel { RestaurantName = x.Key, Products = [.. x.Select(y => y.ProductName)] })];
+
+    private async Task<List<SaleDataModel>> GetDataBySalesAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct)
+    {
+        if (dateStart.IsDateNotOlder(dateFinish))
+        {
+            throw new IncorrectDatesException(dateStart, dateFinish);
+        }
+        return [.. (await _saleStorageContract.GetListAsync(dateStart, dateFinish, ct)).OrderBy(x => x.SaleDate)];
+    }
+
+    private async Task<List<WorkerSalaryByPeriodDataModel>> GetDataBySalaryAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct)
+    {
+        if (dateStart.IsDateNotOlder(dateFinish))
+        {
+            throw new IncorrectDatesException(dateStart, dateFinish);
+        }
+        return [.. (await _salaryStorageContract.GetListAsync(dateStart, dateFinish, ct)).GroupBy(x => x.WorkerId).Select(x => new WorkerSalaryByPeriodDataModel { WorkerFIO = x.First().WorkerName, TotalSalary = x.Sum(y => y.Salary), FromPeriod = x.Min(y => y.SalaryDate), ToPeriod = x.Max(y => y.SalaryDate) }).OrderBy(x => x.WorkerFIO)];
+    }
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/Implementations/RestaurantBuisnessLogicContract.cs

@@ -0,0 +1,66 @@
+using Microsoft.Extensions.Logging;
+using SPiluSZharuContracts.BuisnessLogicContracts;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.Extensions;
+using SPiluSZharuContracts.StorageContracts;
+using System.Text.Json;
+
+namespace SPiluSZharuBuisnessLogic.Implementations;
+
+internal class RestaurantBuisnessLogicContract(IRestaurantStorageContract restaurantStorageContract, ILogger logger) : IRestaurantBuisnessLogicContract
+{
+    private readonly ILogger _logger = logger;
+    private readonly IRestaurantStorageContract _restaurantStorageContract = restaurantStorageContract;
+
+    public List<RestaurantDataModel> GetAllRestaurants()
+    {
+        _logger.LogInformation("GetAllRestaurants");
+        return _restaurantStorageContract.GetList() ?? throw new NullListException();
+    }
+
+    public RestaurantDataModel GetRestaurantByData(string data)
+    {
+        _logger.LogInformation("Get element by data: {data}", data);
+        if (data.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(data));
+        }
+        if (data.IsGuid())
+        {
+            return _restaurantStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
+        }
+        return _restaurantStorageContract.GetElementByName(data) ?? _restaurantStorageContract.GetElementByOldName(data) ??
+            throw new ElementNotFoundException(data);
+    }
+
+    public void InsertRestaurant(RestaurantDataModel restaurantDataModel)
+    {
+        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(restaurantDataModel));
+        ArgumentNullException.ThrowIfNull(restaurantDataModel);
+        restaurantDataModel.Validate();
+        _restaurantStorageContract.AddElement(restaurantDataModel);
+    }
+
+    public void UpdateRestaurant(RestaurantDataModel restaurantDataModel)
+    {
+        _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(restaurantDataModel));
+        ArgumentNullException.ThrowIfNull(restaurantDataModel);
+        restaurantDataModel.Validate();
+        _restaurantStorageContract.UpdElement(restaurantDataModel);
+    }
+    
+    public void DeleteRestaurant(string id)
+    {
+        _logger.LogInformation("Delete by id: {id}", id);
+        if (id.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(id));
+        }
+        if (!id.IsGuid())
+        {
+            throw new ValidationException("Id is not a unique identifier");
+        }
+        _restaurantStorageContract.DelElement(id);
+    }
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/Implementations/SalaryBuisnessLogicContract.cs

@@ -0,0 +1,123 @@
+using SPiluSZharuContracts.BuisnessLogicContracts;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.Extensions;
+using SPiluSZharuContracts.StorageContracts;
+using SPiluSZharuContracts.Infrastructure;
+using SPiluSZharuContracts.Infrastructure.PostConfiguration;
+using Microsoft.Extensions.Logging;
+
+namespace SPiluSZharuBuisnessLogic.Implementations;
+
+internal class SalaryBuisnessLogicContract(ISalaryStorageContract salaryStorageContract, ISaleStorageContract saleStorageContract,
+    IPostStorageContract postStorageContract, IWorkerStorageContract workerStorageContract, ILogger logger, IConfigurationSalary сonfiguration) : ISalaryBuisnessLogicContract
+{
+    private readonly ILogger _logger = logger;
+    private readonly ISalaryStorageContract _salaryStorageContract = salaryStorageContract;
+    private readonly ISaleStorageContract _saleStorageContract = saleStorageContract;
+    private readonly IPostStorageContract _postStorageContract = postStorageContract;
+    private readonly IWorkerStorageContract _workerStorageContract = workerStorageContract;
+    private readonly IConfigurationSalary _salaryConfiguration = сonfiguration;
+    private readonly Lock _lockObject = new();
+
+    public List<SalaryDataModel> GetAllSalariesByPeriod(DateTime fromDate, DateTime toDate)
+    {
+        _logger.LogInformation("GetAllSalaries params: {fromDate}, {toDate}", fromDate, toDate);
+        if (fromDate.IsDateNotOlder(toDate))
+        {
+            throw new IncorrectDatesException(fromDate, toDate);
+        }
+        return _salaryStorageContract.GetList(fromDate, toDate) ?? throw new NullListException();
+    }
+
+    public List<SalaryDataModel> GetAllSalariesByPeriodByWorker(DateTime fromDate, DateTime toDate, string workerId)
+    {
+        if (fromDate.IsDateNotOlder(toDate))
+        {
+            throw new IncorrectDatesException(fromDate, toDate);
+        }
+        if (workerId.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(workerId));
+        }
+        if (!workerId.IsGuid())
+        {
+            throw new ValidationException("The value in the field workerId is not a unique identifier.");
+        }
+        _logger.LogInformation("GetAllSalaries params: {fromDate}, {toDate}, {workerId}", fromDate, toDate, workerId);
+        return _salaryStorageContract.GetList(fromDate, toDate, workerId) ?? throw new NullListException();
+    }
+
+    public void CalculateSalaryByMounth(DateTime date)
+    {
+        _logger.LogInformation("CalculateSalaryByMounth: {date}", date);
+        var startDate = new DateTime(date.Year, date.Month, 1);
+        var finishDate = new DateTime(date.Year, date.Month, DateTime.DaysInMonth(date.Year, date.Month));
+        var workers = _workerStorageContract.GetList() ?? throw new NullListException();
+        foreach (var worker in workers)
+        {
+            var sales = _saleStorageContract.GetList(startDate, finishDate, workerId: worker.Id) ?? throw new NullListException();
+            var post = _postStorageContract.GetElementById(worker.PostId) ?? throw new NullListException();
+            var salary = post.ConfigurationModel switch
+            {
+                null => 0,
+                DeliveryManPostConfiguration dpc => CalculateSalaryForDeliveryMan(sales, startDate, finishDate, dpc),
+                OperatorPostConfiguration opc => CalculateSalaryForOperator(startDate, finishDate, opc),
+                PostConfiguration pc => pc.Rate,
+            };
+            _logger.LogDebug("The employee {workerId} was paid a salary of {salary}", worker.Id, salary);
+            _salaryStorageContract.AddElement(new SalaryDataModel(worker.Id, finishDate, salary));
+        }
+    }
+
+    private double CalculateSalaryForDeliveryMan(List<SaleDataModel> sales, DateTime startDate, DateTime finishDate, DeliveryManPostConfiguration config)
+    {
+        var calcPercent = 0.0;
+        var dates = new List<DateTime>();
+        for (var date = startDate; date < finishDate; date = date.AddDays(1))
+        {
+            dates.Add(date);
+        }
+
+        var parallelOptions = new ParallelOptions
+        {
+            MaxDegreeOfParallelism = _salaryConfiguration.MaxConcurrentThreads
+        };
+
+        Parallel.ForEach(dates, parallelOptions, date =>
+        {
+            var salesInDay = sales.Where(x => x.SaleDate.Date == date.Date).ToArray();
+            if (salesInDay.Length > 0)
+            {
+                lock (_lockObject)
+                {
+                    calcPercent += (salesInDay.Sum(x => x.Sum) / salesInDay.Length) * config.SalePercent;
+                }
+            }
+        });
+
+        double calcBonusTask = 0;
+        try
+        {
+            calcBonusTask = sales.Where(x => x.Sum > _salaryConfiguration.ExtraSaleSum).Sum(x => x.Sum) * config.BonusForExtraSales;
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error in bonus calculation");
+        }
+        return config.Rate + calcPercent + calcBonusTask;
+    }
+
+    private double CalculateSalaryForOperator(DateTime startDate, DateTime finishDate, OperatorPostConfiguration config)
+    {
+        try
+        {
+            return config.Rate + config.PersonalCountTrendPremium * _workerStorageContract.GetWorkerTrend(startDate, finishDate);
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error in the operator payroll process");
+            return 0;
+        }
+    }
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/Implementations/SaleBuisnessLogicContract.cs

@@ -0,0 +1,116 @@
+using Microsoft.Extensions.Logging;
+using SPiluSZharuContracts.BuisnessLogicContracts;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.Enums;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.Extensions;
+using SPiluSZharuContracts.StorageContracts;
+using System.Text.Json;
+
+namespace SPiluSZharuBuisnessLogic.Implementations;
+
+internal class SaleBuisnessLogicContract(ISaleStorageContract saleStorageContract, ILogger logger) : ISaleBuisnessLogicContract
+{
+    private readonly ILogger _logger = logger;
+    private readonly ISaleStorageContract _saleStorageContract = saleStorageContract;
+
+    public List<SaleDataModel> GetAllSalesByPeriod(DateTime fromDate, DateTime toDate)
+    {
+        _logger.LogInformation("GetAllSales params: {fromDate}, {toDate}", fromDate, toDate);
+        if (fromDate.IsDateNotOlder(toDate))
+        {
+            throw new IncorrectDatesException(fromDate, toDate);
+        }
+        return _saleStorageContract.GetList(fromDate, toDate) ?? throw new NullListException();
+    }
+
+    public List<SaleDataModel> GetAllSalesByWorkerByPeriod(string workerId, DateTime fromDate, DateTime toDate)
+    {
+        _logger.LogInformation("GetAllSales params: {workerId}, {fromDate}, {toDate}", workerId, fromDate, toDate);
+        if (fromDate.IsDateNotOlder(toDate))
+        {
+            throw new IncorrectDatesException(fromDate, toDate);
+        }
+        if (workerId.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(workerId));
+        }
+        if (!workerId.IsGuid())
+        {
+            throw new ValidationException("The value in the field workerId is not a unique identifier.");
+        }
+        return _saleStorageContract.GetList(fromDate, toDate, workerId: workerId) ?? throw new NullListException();
+    }
+
+    public List<SaleDataModel> GetAllSalesByRestaurantByPeriod(string restaurantId, DateTime fromDate, DateTime toDate)
+    {
+        _logger.LogInformation("GetAllSales params: {restaurantId}, {fromDate}, {toDate}", restaurantId, fromDate, toDate);
+        if (fromDate.IsDateNotOlder(toDate))
+        {
+            throw new IncorrectDatesException(fromDate, toDate);
+        }
+        if (restaurantId.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(restaurantId));
+        }
+        if (!restaurantId.IsGuid())
+        {
+            throw new ValidationException("The value in the field restaurantId is not a unique identifier.");
+        }
+        return _saleStorageContract.GetList(fromDate, toDate, restaurantId: restaurantId) ?? throw new NullListException();
+    }
+
+    public List<SaleDataModel> GetAllSalesByProductByPeriod(string productId, DateTime fromDate, DateTime toDate)
+    {
+        _logger.LogInformation("GetAllSales params: {productId}, {fromDate}, {toDate}", productId, fromDate, toDate);
+        if (fromDate.IsDateNotOlder(toDate))
+        {
+            throw new IncorrectDatesException(fromDate, toDate);
+        }
+        if (productId.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(productId));
+        }
+        if (!productId.IsGuid())
+        {
+            throw new ValidationException("The value in the field productId is not a unique identifier.");
+        }
+        return _saleStorageContract.GetList(fromDate, toDate, productId: productId) ?? throw new NullListException();
+    }
+
+    public SaleDataModel GetSaleByData(string data)
+    {
+        _logger.LogInformation("Get element by data: {data}", data);
+        if (data.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(data));
+        }
+        if (!data.IsGuid())
+        {
+            throw new ValidationException("Id is not a unique identifier");
+        }
+        return _saleStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
+    }
+
+    public void InsertSale(SaleDataModel saleDataModel)
+    {
+        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(saleDataModel));
+        ArgumentNullException.ThrowIfNull(saleDataModel);
+        saleDataModel.Validate();
+        _saleStorageContract.AddElement(saleDataModel);
+    }
+
+    public void CancelSale(string id)
+    {
+        _logger.LogInformation("Cancel by id: {id}", id);
+        if (id.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(id));
+        }
+        if (!id.IsGuid())
+        {
+            throw new ValidationException("Id is not a unique identifier");
+        }
+        _saleStorageContract.DelElement(id);
+    }
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/Implementations/WorkerBuisnessLogicContract.cs

@@ -0,0 +1,104 @@
+using Microsoft.Extensions.Logging;
+using SPiluSZharuContracts.BuisnessLogicContracts;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.Extensions;
+using SPiluSZharuContracts.StorageContracts;
+using System.Text.Json;
+using System.Text.RegularExpressions;
+
+namespace SPiluSZharuBuisnessLogic.Implementations;
+
+internal class WorkerBuisnessLogicContract(IWorkerStorageContract workerStorageContract, ILogger logger) : IWorkerBuisnessLogicContract
+{
+    private readonly ILogger _logger = logger;
+    private readonly IWorkerStorageContract _workerStorageContract = workerStorageContract;
+
+    public List<WorkerDataModel> GetAllWorkers(bool onlyActive = true)
+    {
+        _logger.LogInformation("GetAllWorkers params: {onlyActive}", onlyActive);
+        return _workerStorageContract.GetList(onlyActive) ?? throw new NullListException();
+    }
+
+    public List<WorkerDataModel> GetAllWorkersByPost(string postId, bool onlyActive = true)
+    {
+        _logger.LogInformation("GetAllWorkers params: {postId}, {onlyActive},", postId, onlyActive);
+        if (postId.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(postId));
+        }
+        if (!postId.IsGuid())
+        {
+            throw new ValidationException("The value in the field postId is not a unique identifier.");
+        }
+        return _workerStorageContract.GetList(onlyActive, postId) ?? throw new NullListException();
+    }
+
+    public List<WorkerDataModel> GetAllWorkersByBirthDate(DateTime fromDate, DateTime toDate, bool onlyActive = true)
+    {
+        _logger.LogInformation("GetAllWorkers params: {onlyActive}, {fromDate}, {toDate}", onlyActive, fromDate, toDate);
+        if (fromDate.IsDateNotOlder(toDate))
+        {
+            throw new IncorrectDatesException(fromDate, toDate);
+        }
+        return _workerStorageContract.GetList(onlyActive, fromBirthDate: fromDate, toBirthDate: toDate) ?? throw new NullListException();
+    }
+
+    public List<WorkerDataModel> GetAllWorkersByEmploymentDate(DateTime fromDate, DateTime toDate, bool onlyActive = true)
+    {
+        _logger.LogInformation("GetAllWorkers params: {onlyActive}, {fromDate}, {toDate}", onlyActive, fromDate, toDate);
+        if (fromDate.IsDateNotOlder(toDate))
+        {
+            throw new IncorrectDatesException(fromDate, toDate);
+        }
+        return _workerStorageContract.GetList(onlyActive, fromEmploymentDate: fromDate, toEmploymentDate: toDate) ?? throw new NullListException();
+    }
+
+    public WorkerDataModel GetWorkerByData(string data)
+    {
+        _logger.LogInformation("Get element by data: {data}", data);
+        if (data.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(data));
+        }
+        if (data.IsGuid())
+        {
+            return _workerStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
+        }
+        if (Regex.IsMatch(data, @"^(8|\+7)(\s|\(|\-)?(\d{3})(\s|\)|\-)?(\d{3})(\s|\-)?(\d{2})(\s|\-)?(\d{2})$"))
+        {
+            return _workerStorageContract.GetElementByPhoneNumber(data) ?? throw new ElementNotFoundException(data);
+        }
+        return _workerStorageContract.GetElementByFIO(data) ?? throw new ElementNotFoundException(data);
+    }
+
+    public void InsertWorker(WorkerDataModel workerDataModel)
+    {
+        _logger.LogInformation("New data: {json}", JsonSerializer.Serialize(workerDataModel));
+        ArgumentNullException.ThrowIfNull(workerDataModel);
+        workerDataModel.Validate();
+        _workerStorageContract.AddElement(workerDataModel);
+    }
+
+    public void UpdateWorker(WorkerDataModel workerDataModel)
+    {
+        _logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(workerDataModel));
+        ArgumentNullException.ThrowIfNull(workerDataModel);
+        workerDataModel.Validate();
+        _workerStorageContract.UpdElement(workerDataModel);
+    }
+
+    public void DeleteWorker(string id)
+    {
+        _logger.LogInformation("Delete by id: {id}", id);
+        if (id.IsEmpty())
+        {
+            throw new ArgumentNullException(nameof(id));
+        }
+        if (!id.IsGuid())
+        {
+            throw new ValidationException("Id is not a unique identifier");
+        }
+        _workerStorageContract.DelElement(id);
+    }
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/OfficePackage/BaseExcelBuilder.cs

@@ -0,0 +1,12 @@
+namespace SPiluSZharuBuisnessLogic.OfficePackage;
+
+public abstract class BaseExcelBuilder
+{
+    public abstract BaseExcelBuilder AddHeader(string header, int startIndex, int count);
+
+    public abstract BaseExcelBuilder AddParagraph(string text, int columnIndex);
+
+    public abstract BaseExcelBuilder AddTable(int[] columnsWidths, List<string[]> data);
+
+    public abstract Stream Build();
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/OfficePackage/BasePdfBuilder.cs

@@ -0,0 +1,12 @@
+namespace SPiluSZharuBuisnessLogic.OfficePackage;
+
+public abstract class BasePdfBuilder
+{
+    public abstract BasePdfBuilder AddHeader(string header);
+
+    public abstract BasePdfBuilder AddParagraph(string text);
+
+    public abstract BasePdfBuilder AddPieChart(string title, List<(string Caption, double Value)> data);
+
+    public abstract Stream Build();
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/OfficePackage/BaseWordBuilder.cs

@@ -0,0 +1,12 @@
+namespace SPiluSZharuBuisnessLogic.OfficePackage;
+
+public abstract class BaseWordBuilder
+{
+    public abstract BaseWordBuilder AddHeader(string header);
+
+    public abstract BaseWordBuilder AddParagraph(string text);
+
+    public abstract BaseWordBuilder AddTable(int[] widths, List<string[]> data);
+
+    public abstract Stream Build();
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/OfficePackage/MigraDocPdfBuilder.cs

@@ -0,0 +1,85 @@
+using MigraDoc.DocumentObjectModel;
+using MigraDoc.DocumentObjectModel.Shapes.Charts;
+using MigraDoc.Rendering;
+using System.Text;
+
+namespace SPiluSZharuBuisnessLogic.OfficePackage;
+
+internal class MigraDocPdfBuilder : BasePdfBuilder
+{
+    private readonly Document _document;
+
+    public MigraDocPdfBuilder()
+    {
+        Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
+        _document = new Document();
+        DefineStyles();
+    }
+
+    public override BasePdfBuilder AddHeader(string header)
+    {
+        _document.AddSection().AddParagraph(header, "NormalBold");
+        return this;
+    }
+
+    public override BasePdfBuilder AddParagraph(string text)
+    {
+        _document.LastSection.AddParagraph(text, "Normal");
+        return this;
+    }
+
+    public override BasePdfBuilder AddPieChart(string title, List<(string Caption, double Value)> data)
+    {
+        if (data == null || data.Count == 0)
+        {
+            return this;
+        }
+
+        var chart = new Chart(ChartType.Pie2D);
+        var series = chart.SeriesCollection.AddSeries();
+        series.Add(data.Select(x => x.Value).ToArray());
+
+        var xseries = chart.XValues.AddXSeries();
+        xseries.Add(data.Select(x => x.Caption).ToArray());
+
+        chart.DataLabel.Type = DataLabelType.Percent;
+        chart.DataLabel.Position = DataLabelPosition.OutsideEnd;
+
+        chart.Width = Unit.FromCentimeter(16);
+        chart.Height = Unit.FromCentimeter(12);
+
+        chart.TopArea.AddParagraph(title);
+
+        chart.XAxis.MajorTickMark = TickMarkType.Outside;
+
+        chart.YAxis.MajorTickMark = TickMarkType.Outside;
+        chart.YAxis.HasMajorGridlines = true;
+
+        chart.PlotArea.LineFormat.Width = 1;
+        chart.PlotArea.LineFormat.Visible = true;
+
+        chart.TopArea.AddLegend();
+
+        _document.LastSection.Add(chart);
+
+        return this;
+    }
+
+    public override Stream Build()
+    {
+        var stream = new MemoryStream();
+        var renderer = new PdfDocumentRenderer(true)
+        {
+            Document = _document
+        };
+        renderer.RenderDocument();
+        renderer.PdfDocument.Save(stream);
+        return stream;
+    }
+
+    private void DefineStyles()
+    {
+        var style = _document.Styles.AddStyle("NormalBold", "Normal");
+        style.Font.Bold = true;
+    }
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/OfficePackage/OpenXmlExcelBuilder.cs

@@ -0,0 +1,303 @@
+using DocumentFormat.OpenXml.Packaging;
+using DocumentFormat.OpenXml.Spreadsheet;
+using DocumentFormat.OpenXml;
+
+namespace SPiluSZharuBuisnessLogic.OfficePackage;
+
+internal class OpenXmlExcelBuilder : BaseExcelBuilder
+{
+    private readonly SheetData _sheetData;
+
+    private readonly MergeCells _mergeCells;
+
+    private readonly Columns _columns;
+
+    private uint _rowIndex = 0;
+
+    public OpenXmlExcelBuilder()
+    {
+        _sheetData = new SheetData();
+        _mergeCells = new MergeCells();
+        _columns = new Columns();
+        _rowIndex = 1;
+    }
+
+    public override BaseExcelBuilder AddHeader(string header, int startIndex, int count)
+    {
+        CreateCell(startIndex, _rowIndex, header, StyleIndex.BoldTextWithoutBorder);
+        for (int i = startIndex + 1; i < startIndex + count; ++i)
+        {
+            CreateCell(i, _rowIndex, "", StyleIndex.SimpleTextWithoutBorder);
+        }
+
+        _mergeCells.Append(new MergeCell()
+        {
+            Reference =
+            new StringValue($"{GetExcelColumnName(startIndex)}{_rowIndex}:{GetExcelColumnName(startIndex + count - 1)}{_rowIndex}")
+        });
+
+        _rowIndex++;
+        return this;
+    }
+
+    public override BaseExcelBuilder AddParagraph(string text, int columnIndex)
+    {
+        CreateCell(columnIndex, _rowIndex++, text, StyleIndex.SimpleTextWithoutBorder);
+        return this;
+    }
+
+    public override BaseExcelBuilder AddTable(int[] columnsWidths, List<string[]> data)
+    {
+        if (columnsWidths == null || columnsWidths.Length == 0)
+        {
+            throw new ArgumentNullException(nameof(columnsWidths));
+        }
+
+        if (data == null || data.Count == 0)
+        {
+            throw new ArgumentNullException(nameof(data));
+        }
+
+        if (data.Any(x => x.Length != columnsWidths.Length))
+        {
+            throw new InvalidOperationException("widths.Length != data.Length");
+        }
+
+        uint counter = 1;
+        int coef = 2;
+        _columns.Append(columnsWidths.Select(x => new Column
+        {
+            Min = counter,
+            Max = counter++,
+            Width = x * coef,
+            CustomWidth = true
+        }));
+
+        for (var j = 0; j < data.First().Length; ++j)
+        {
+            CreateCell(j, _rowIndex, data.First()[j], StyleIndex.BoldTextWithBorder);
+        }
+
+        _rowIndex++;
+        for (var i = 1; i < data.Count - 1; ++i)
+        {
+            for (var j = 0; j < data[i].Length; ++j)
+            {
+                CreateCell(j, _rowIndex, data[i][j], StyleIndex.SimpleTextWithBorder);
+            }
+
+            _rowIndex++;
+        }
+
+        for (var j = 0; j < data.Last().Length; ++j)
+        {
+            CreateCell(j, _rowIndex, data.Last()[j], StyleIndex.BoldTextWithBorder);
+        }
+
+        _rowIndex++;
+        return this;
+    }
+
+    public override Stream Build()
+    {
+        var stream = new MemoryStream();
+        using var spreadsheetDocument = SpreadsheetDocument.Create(stream, SpreadsheetDocumentType.Workbook);
+        var workbookpart = spreadsheetDocument.AddWorkbookPart();
+        GenerateStyle(workbookpart);
+        workbookpart.Workbook = new Workbook();
+        var worksheetPart = workbookpart.AddNewPart<WorksheetPart>();
+        worksheetPart.Worksheet = new Worksheet();
+        if (_columns.HasChildren)
+        {
+            worksheetPart.Worksheet.Append(_columns);
+        }
+
+        worksheetPart.Worksheet.Append(_sheetData);
+        var sheets = spreadsheetDocument.WorkbookPart!.Workbook.AppendChild(new Sheets());
+        var sheet = new Sheet()
+        {
+            Id = spreadsheetDocument.WorkbookPart.GetIdOfPart(worksheetPart),
+            SheetId = 1,
+            Name = "Лист 1"
+        };
+
+        sheets.Append(sheet);
+        if (_mergeCells.HasChildren)
+        {
+            worksheetPart.Worksheet.InsertAfter(_mergeCells, worksheetPart.Worksheet.Elements<SheetData>().First());
+        }
+        return stream;
+    }
+
+    private static void GenerateStyle(WorkbookPart workbookPart)
+    {
+        var workbookStylesPart = workbookPart.AddNewPart<WorkbookStylesPart>();
+        workbookStylesPart.Stylesheet = new Stylesheet();
+
+        var fonts = new Fonts() { Count = 2, KnownFonts = BooleanValue.FromBoolean(true) };
+        fonts.Append(new DocumentFormat.OpenXml.Spreadsheet.Font
+        {
+            FontSize = new FontSize() { Val = 11 },
+            FontName = new FontName() { Val = "Calibri" },
+            FontFamilyNumbering = new FontFamilyNumbering() { Val = 2 },
+            FontScheme = new FontScheme() { Val = new EnumValue<FontSchemeValues>(FontSchemeValues.Minor) }
+        });
+        fonts.Append(new DocumentFormat.OpenXml.Spreadsheet.Font
+        {
+            FontSize = new FontSize() { Val = 11 },
+            FontName = new FontName() { Val = "Calibri" },
+            FontFamilyNumbering = new FontFamilyNumbering() { Val = 2 },
+            FontScheme = new FontScheme() { Val = new EnumValue<FontSchemeValues>(FontSchemeValues.Minor) },
+            Bold = new Bold()
+        });
+        workbookStylesPart.Stylesheet.Append(fonts);
+
+        // Default Fill
+        var fills = new Fills() { Count = 1 };
+        fills.Append(new Fill
+        {
+            PatternFill = new PatternFill() { PatternType = new EnumValue<PatternValues>(PatternValues.None) }
+        });
+        workbookStylesPart.Stylesheet.Append(fills);
+
+        // Default Border
+        var borders = new Borders() { Count = 2 };
+        borders.Append(new Border
+        {
+            LeftBorder = new LeftBorder(),
+            RightBorder = new RightBorder(),
+            TopBorder = new TopBorder(),
+            BottomBorder = new BottomBorder(),
+            DiagonalBorder = new DiagonalBorder()
+        });
+        borders.Append(new Border
+        {
+            LeftBorder = new LeftBorder() { Style = BorderStyleValues.Thin },
+            RightBorder = new RightBorder() { Style = BorderStyleValues.Thin },
+            TopBorder = new TopBorder() { Style = BorderStyleValues.Thin },
+            BottomBorder = new BottomBorder() { Style = BorderStyleValues.Thin }
+        });
+        workbookStylesPart.Stylesheet.Append(borders);
+
+        // Default cell format and a date cell format
+        var cellFormats = new CellFormats() { Count = 4 };
+        cellFormats.Append(new CellFormat
+        {
+            NumberFormatId = 0,
+            FormatId = 0,
+            FontId = 0,
+            BorderId = 0,
+            FillId = 0,
+            Alignment = new Alignment()
+            {
+                Horizontal = HorizontalAlignmentValues.Left,
+                Vertical = VerticalAlignmentValues.Center,
+                WrapText = true
+            }
+        });
+        cellFormats.Append(new CellFormat
+        {
+            NumberFormatId = 0,
+            FormatId = 0,
+            FontId = 0,
+            BorderId = 1,
+            FillId = 0,
+            Alignment = new Alignment()
+            {
+                Horizontal = HorizontalAlignmentValues.Left,
+                Vertical = VerticalAlignmentValues.Center,
+                WrapText = true
+            }
+        });
+        cellFormats.Append(new CellFormat
+        {
+            NumberFormatId = 0,
+            FormatId = 0,
+            FontId = 1,
+            BorderId = 0,
+            FillId = 0,
+            Alignment = new Alignment()
+            {
+                Horizontal = HorizontalAlignmentValues.Center,
+                Vertical = VerticalAlignmentValues.Center,
+                WrapText = true
+            }
+        });
+        cellFormats.Append(new CellFormat
+        {
+            NumberFormatId = 0,
+            FormatId = 0,
+            FontId = 1,
+            BorderId = 1,
+            FillId = 0,
+            Alignment = new Alignment()
+            {
+                Horizontal = HorizontalAlignmentValues.Center,
+                Vertical = VerticalAlignmentValues.Center,
+                WrapText = true
+            }
+        });
+        workbookStylesPart.Stylesheet.Append(cellFormats);
+    }
+
+    private enum StyleIndex
+    {
+        SimpleTextWithoutBorder = 0,
+        SimpleTextWithBorder = 1,
+        BoldTextWithoutBorder = 2,
+        BoldTextWithBorder = 3
+    }
+
+    private void CreateCell(int columnIndex, uint rowIndex, string text, StyleIndex styleIndex)
+    {
+        var columnName = GetExcelColumnName(columnIndex);
+        var cellReference = columnName + rowIndex;
+        var row = _sheetData.Elements<Row>().FirstOrDefault(r => r.RowIndex! == rowIndex);
+        if (row == null)
+        {
+            row = new Row() { RowIndex = rowIndex };
+            _sheetData.Append(row);
+        }
+
+        var newCell = row.Elements<Cell>()
+            .FirstOrDefault(c => c.CellReference != null && c.CellReference.Value == columnName + rowIndex);
+        if (newCell == null)
+        {
+            Cell? refCell = null;
+            foreach (Cell cell in row.Elements<Cell>())
+            {
+                if (cell.CellReference?.Value != null && cell.CellReference.Value.Length == cellReference.Length)
+                {
+                    if (string.Compare(cell.CellReference.Value, cellReference, true) > 0)
+                    {
+                        refCell = cell;
+                        break;
+                    }
+                }
+            }
+            newCell = new Cell() { CellReference = cellReference };
+            row.InsertBefore(newCell, refCell);
+        }
+
+        newCell.CellValue = new CellValue(text);
+        newCell.DataType = CellValues.String;
+        newCell.StyleIndex = (uint)styleIndex;
+    }
+
+    private static string GetExcelColumnName(int columnNumber)
+    {
+        columnNumber += 1;
+        int dividend = columnNumber;
+        string columnName = string.Empty;
+        int modulo;
+
+        while (dividend > 0)
+        {
+            modulo = (dividend - 1) % 26;
+            columnName = Convert.ToChar(65 + modulo).ToString() + columnName;
+            dividend = (dividend - modulo) / 26;
+        }
+
+        return columnName;
+    }
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/OfficePackage/OpenXmlWordBuilder.cs

@@ -0,0 +1,94 @@
+using DocumentFormat.OpenXml;
+using DocumentFormat.OpenXml.Packaging;
+using DocumentFormat.OpenXml.Wordprocessing;
+
+namespace SPiluSZharuBuisnessLogic.OfficePackage;
+
+internal class OpenXmlWordBuilder : BaseWordBuilder
+{
+    private readonly Document _document;
+
+    private readonly Body _body;
+
+    public OpenXmlWordBuilder()
+    {
+        _document = new Document();
+        _body = _document.AppendChild(new Body());
+    }
+
+    public override BaseWordBuilder AddHeader(string header)
+    {
+        var paragraph = _body.AppendChild(new Paragraph());
+        var run = paragraph.AppendChild(new Run());
+        run.AppendChild(new RunProperties(new Bold()));
+        run.AppendChild(new Text(header));
+
+        return this;
+    }
+
+    public override BaseWordBuilder AddParagraph(string text)
+    {
+        var paragraph = _body.AppendChild(new Paragraph());
+        var run = paragraph.AppendChild(new Run());
+        run.AppendChild(new Text(text));
+
+        return this;
+    }
+
+    public override BaseWordBuilder AddTable(int[] widths, List<string[]> data)
+    {
+        if (widths == null || widths.Length == 0)
+        {
+            throw new ArgumentNullException(nameof(widths));
+        }
+
+        if (data == null || data.Count == 0)
+        {
+            throw new ArgumentNullException(nameof(data));
+        }
+
+        if (data.Any(x => x.Length != widths.Length))
+        {
+            throw new InvalidOperationException("widths.Length != data.Length");
+        }
+
+        var table = new Table();
+        table.AppendChild(new TableProperties(
+            new TableBorders(
+                new TopBorder() { Val = new EnumValue<BorderValues>(BorderValues.Single), Size = 12 },
+                new BottomBorder() { Val = new EnumValue<BorderValues>(BorderValues.Single), Size = 12 },
+                new LeftBorder() { Val = new EnumValue<BorderValues>(BorderValues.Single), Size = 12 },
+                new RightBorder() { Val = new EnumValue<BorderValues>(BorderValues.Single), Size = 12 },
+                new InsideHorizontalBorder() { Val = new EnumValue<BorderValues>(BorderValues.Single), Size = 12 },
+                new InsideVerticalBorder() { Val = new EnumValue<BorderValues>(BorderValues.Single), Size = 12 }
+            )
+        ));
+
+        // Заголовок
+        var tr = new TableRow();
+        for (var j = 0; j < widths.Length; ++j)
+        {
+            tr.Append(new TableCell(
+                new TableCellProperties(new TableCellWidth() { Width = widths[j].ToString() }),
+                new Paragraph(new Run(new RunProperties(new Bold()), new Text(data.First()[j])))));
+        }
+        table.Append(tr);
+
+        // Данные
+        table.Append(data.Skip(1).Select(x =>
+            new TableRow(x.Select(y => new TableCell(new Paragraph(new Run(new Text(y))))))));
+
+        _body.Append(table);
+
+        return this;
+    }
+
+    public override Stream Build()
+    {
+        var stream = new MemoryStream();
+        using var wordDocument = WordprocessingDocument.Create(stream, WordprocessingDocumentType.Document);
+        var mainPart = wordDocument.AddMainDocumentPart();
+        mainPart.Document = _document;
+        return stream;
+    }
+}

SPiluSZharuProject/SPiluSZharuBuisnessLogic/SPiluSZharuBuisnessLogic.csproj

@@ -0,0 +1,26 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+	<ItemGroup>
+		<InternalsVisibleTo Include="SPiluSZharuTests" />
+		<InternalsVisibleTo Include="SPiluSZharuWebApi" />
+		<InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <PackageReference Include="DocumentFormat.OpenXml" Version="3.3.0" />
+	  <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.2" />
+	  <PackageReference Include="Moq" Version="4.20.72" />
+	  <PackageReference Include="PdfSharp.MigraDoc.Standard" Version="1.51.15" />
+	</ItemGroup>
+
+	<ItemGroup>
+    <ProjectReference Include="..\SPiluSZharuContracts\SPiluSZharuContracts.csproj" />
+  </ItemGroup>
+
+</Project>

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/IPostAdapter.cs

@@ -0,0 +1,21 @@
+using SPiluSZharuContracts.AdapterContracts.OperationResponses;
+using SPiluSZharuContracts.BindingModels;
+
+namespace SPiluSZharuContracts.AdapterContracts;
+
+public interface IPostAdapter
+{
+    PostOperationResponse GetList();
+
+    PostOperationResponse GetHistory(string id);
+
+    PostOperationResponse GetElement(string data);
+
+    PostOperationResponse RegisterPost(PostBindingModel postModel);
+
+    PostOperationResponse ChangePostInfo(PostBindingModel postModel);
+
+    PostOperationResponse RemovePost(string id);
+
+    PostOperationResponse RestorePost(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/IProductAdapter.cs

@@ -0,0 +1,21 @@
+using SPiluSZharuContracts.AdapterContracts.OperationResponses;
+using SPiluSZharuContracts.BindingModels;
+
+namespace SPiluSZharuContracts.AdapterContracts;
+
+public interface IProductAdapter
+{
+    ProductOperationResponse GetList(bool includeDeleted);
+
+    ProductOperationResponse GetRestaurantList(string id, bool includeDeleted);
+
+    ProductOperationResponse GetHistory(string id);
+
+    ProductOperationResponse GetElement(string data);
+
+    ProductOperationResponse RegisterProduct(ProductBindingModel productModel);
+
+    ProductOperationResponse ChangeProductInfo(ProductBindingModel productModel);
+
+    ProductOperationResponse RemoveProduct(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/IReportAdapter.cs

@@ -0,0 +1,18 @@
+using SPiluSZharuContracts.AdapterContracts.OperationResponses;
+
+namespace SPiluSZharuContracts.AdapterContracts;
+
+public interface IReportAdapter
+{
+    Task<ReportOperationResponse> GetDataProductsByRestaurantAsync(CancellationToken ct);
+
+    Task<ReportOperationResponse> GetDataSaleByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+
+    Task<ReportOperationResponse> GetDataSalaryByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+
+    Task<ReportOperationResponse> CreateDocumentProductsByRestaurantAsync(CancellationToken ct);
+
+    Task<ReportOperationResponse> CreateDocumentSalesByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+
+    Task<ReportOperationResponse> CreateDocumentSalaryByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/IRestaurantAdapter.cs

@@ -0,0 +1,17 @@
+using SPiluSZharuContracts.AdapterContracts.OperationResponses;
+using SPiluSZharuContracts.BindingModels;
+
+namespace SPiluSZharuContracts.AdapterContracts;
+
+public interface IRestaurantAdapter
+{
+    RestaurantOperationResponse GetList();
+
+    RestaurantOperationResponse GetElement(string data);
+
+    RestaurantOperationResponse RegisterRestaurant(RestaurantBindingModel restaurantModel);
+
+    RestaurantOperationResponse ChangeRestaurantInfo(RestaurantBindingModel restaurantModel);
+
+    RestaurantOperationResponse RemoveRestaurant(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/ISalaryAdapter.cs

@@ -0,0 +1,13 @@
+using SPiluSZharuContracts.AdapterContracts.OperationResponses;
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.AdapterContracts;
+
+public interface ISalaryAdapter
+{
+    SalaryOperationResponse GetAllSalariesByPeriod(DateTime fromDate, DateTime toDate);
+
+    SalaryOperationResponse GetAllSalariesByPeriodByWorker(DateTime fromDate, DateTime toDate, string workerId);
+
+    SalaryOperationResponse CalculateSalaryByMounth(DateTime date);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/ISaleAdapter.cs

@@ -0,0 +1,21 @@
+using SPiluSZharuContracts.AdapterContracts.OperationResponses;
+using SPiluSZharuContracts.BindingModels;
+
+namespace SPiluSZharuContracts.AdapterContracts;
+
+public interface ISaleAdapter
+{
+    SaleOperationResponse GetList(DateTime fromDate, DateTime toDate);
+
+    SaleOperationResponse GetWorkerList(string id, DateTime fromDate, DateTime toDate);
+
+    SaleOperationResponse GetRestaurantList(string id, DateTime fromDate, DateTime toDate);
+
+    SaleOperationResponse GetProductList(string id, DateTime fromDate, DateTime toDate);
+
+    SaleOperationResponse GetElement(string id);
+
+    SaleOperationResponse MakeSale(SaleBindingModel saleModel);
+
+    SaleOperationResponse CancelSale(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/IWorkerAdapter.cs

@@ -0,0 +1,23 @@
+using SPiluSZharuContracts.AdapterContracts.OperationResponses;
+using SPiluSZharuContracts.BindingModels;
+
+namespace SPiluSZharuContracts.AdapterContracts;
+
+public interface IWorkerAdapter
+{
+    WorkerOperationResponse GetList(bool includeDeleted);
+
+    WorkerOperationResponse GetPostList(string id, bool includeDeleted);
+
+    WorkerOperationResponse GetListByBirthDate(DateTime fromDate, DateTime toDate, bool includeDeleted);
+
+    WorkerOperationResponse GetListByEmploymentDate(DateTime fromDate, DateTime toDate, bool includeDeleted);
+
+    WorkerOperationResponse GetElement(string data);
+
+    WorkerOperationResponse RegisterWorker(WorkerBindingModel workerModel);
+
+    WorkerOperationResponse ChangeWorkerInfo(WorkerBindingModel workerModel);
+
+    WorkerOperationResponse RemoveWorker(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/OperationResponses/PostOperationResponse.cs

@@ -0,0 +1,19 @@
+using SPiluSZharuContracts.Infrastructure;
+using SPiluSZharuContracts.ViewModels;
+
+namespace SPiluSZharuContracts.AdapterContracts.OperationResponses;
+
+public class PostOperationResponse : OperationResponse
+{
+    public static PostOperationResponse OK(List<PostViewModel> data) => OK<PostOperationResponse, List<PostViewModel>>(data);
+
+    public static PostOperationResponse OK(PostViewModel data) => OK<PostOperationResponse, PostViewModel>(data);
+
+    public static PostOperationResponse NoContent() => NoContent<PostOperationResponse>();
+
+    public static PostOperationResponse NotFound(string message) => NotFound<PostOperationResponse>(message);
+
+    public static PostOperationResponse BadRequest(string message) => BadRequest<PostOperationResponse>(message);
+
+    public static PostOperationResponse InternalServerError(string message) => InternalServerError<PostOperationResponse>(message);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/OperationResponses/ProductOperationResponse.cs

@@ -0,0 +1,21 @@
+using SPiluSZharuContracts.Infrastructure;
+using SPiluSZharuContracts.ViewModels;
+
+namespace SPiluSZharuContracts.AdapterContracts.OperationResponses;
+
+public class ProductOperationResponse : OperationResponse
+{
+    public static ProductOperationResponse OK(List<ProductViewModel> data) => OK<ProductOperationResponse, List<ProductViewModel>>(data);
+
+    public static ProductOperationResponse OK(List<ProductHistoryViewModel> data) => OK<ProductOperationResponse, List<ProductHistoryViewModel>>(data);
+
+    public static ProductOperationResponse OK(ProductViewModel data) => OK<ProductOperationResponse, ProductViewModel>(data);
+
+    public static ProductOperationResponse NoContent() => NoContent<ProductOperationResponse>();
+
+    public static ProductOperationResponse NotFound(string message) => NotFound<ProductOperationResponse>(message);
+
+    public static ProductOperationResponse BadRequest(string message) => BadRequest<ProductOperationResponse>(message);
+
+    public static ProductOperationResponse InternalServerError(string message) => InternalServerError<ProductOperationResponse>(message);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/OperationResponses/ReportOperationResponse.cs

@@ -0,0 +1,19 @@
+using SPiluSZharuContracts.Infrastructure;
+using SPiluSZharuContracts.ViewModels;
+
+namespace SPiluSZharuContracts.AdapterContracts.OperationResponses;
+
+public class ReportOperationResponse : OperationResponse
+{
+    public static ReportOperationResponse OK(List<RestaurantProductViewModel> data) => OK<ReportOperationResponse, List<RestaurantProductViewModel>>(data);
+
+    public static ReportOperationResponse OK(List<SaleViewModel> data) => OK<ReportOperationResponse, List<SaleViewModel>>(data);
+
+    public static ReportOperationResponse OK(List<WorkerSalaryByPeriodViewModel> data) => OK<ReportOperationResponse, List<WorkerSalaryByPeriodViewModel>>(data);
+
+    public static ReportOperationResponse OK(Stream data, string fileName) => OK<ReportOperationResponse, Stream>(data, fileName);
+
+    public static ReportOperationResponse BadRequest(string message) => BadRequest<ReportOperationResponse>(message);
+
+    public static ReportOperationResponse InternalServerError(string message) => InternalServerError<ReportOperationResponse>(message);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/OperationResponses/RestaurantOperationResponse.cs

@@ -0,0 +1,19 @@
+using SPiluSZharuContracts.Infrastructure;
+using SPiluSZharuContracts.ViewModels;
+
+namespace SPiluSZharuContracts.AdapterContracts.OperationResponses;
+
+public class RestaurantOperationResponse : OperationResponse
+{
+    public static RestaurantOperationResponse OK(List<RestaurantViewModel> data) => OK<RestaurantOperationResponse, List<RestaurantViewModel>>(data);
+
+    public static RestaurantOperationResponse OK(RestaurantViewModel data) => OK<RestaurantOperationResponse, RestaurantViewModel>(data);
+
+    public static RestaurantOperationResponse NoContent() => NoContent<RestaurantOperationResponse>();
+
+    public static RestaurantOperationResponse NotFound(string message) => NotFound<RestaurantOperationResponse>(message);
+
+    public static RestaurantOperationResponse BadRequest(string message) => BadRequest<RestaurantOperationResponse>(message);
+
+    public static RestaurantOperationResponse InternalServerError(string message) => InternalServerError<RestaurantOperationResponse>(message);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/OperationResponses/SalaryOperationResponse.cs

@@ -0,0 +1,17 @@
+using SPiluSZharuContracts.Infrastructure;
+using SPiluSZharuContracts.ViewModels;
+
+namespace SPiluSZharuContracts.AdapterContracts.OperationResponses;
+
+public class SalaryOperationResponse : OperationResponse
+{
+    public static SalaryOperationResponse OK(List<SalaryViewModel> data) => OK<SalaryOperationResponse, List<SalaryViewModel>>(data);
+
+    public static SalaryOperationResponse NoContent() => NoContent<SalaryOperationResponse>();
+
+    public static SalaryOperationResponse NotFound(string message) => NotFound<SalaryOperationResponse>(message);
+
+    public static SalaryOperationResponse BadRequest(string message) => BadRequest<SalaryOperationResponse>(message);
+
+    public static SalaryOperationResponse InternalServerError(string message) => InternalServerError<SalaryOperationResponse>(message);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/OperationResponses/SaleOperationResponse.cs

@@ -0,0 +1,19 @@
+using SPiluSZharuContracts.Infrastructure;
+using SPiluSZharuContracts.ViewModels;
+
+namespace SPiluSZharuContracts.AdapterContracts.OperationResponses;
+
+public class SaleOperationResponse : OperationResponse
+{
+    public static SaleOperationResponse OK(List<SaleViewModel> data) => OK<SaleOperationResponse, List<SaleViewModel>>(data);
+
+    public static SaleOperationResponse OK(SaleViewModel data) => OK<SaleOperationResponse, SaleViewModel>(data);
+
+    public static SaleOperationResponse NoContent() => NoContent<SaleOperationResponse>();
+
+    public static SaleOperationResponse NotFound(string message) => NotFound<SaleOperationResponse>(message);
+
+    public static SaleOperationResponse BadRequest(string message) => BadRequest<SaleOperationResponse>(message);
+
+    public static SaleOperationResponse InternalServerError(string message) => InternalServerError<SaleOperationResponse>(message);
+}

SPiluSZharuProject/SPiluSZharuContracts/AdapterContracts/OperationResponses/WorkerOperationResponse.cs

@@ -0,0 +1,19 @@
+using SPiluSZharuContracts.Infrastructure;
+using SPiluSZharuContracts.ViewModels;
+
+namespace SPiluSZharuContracts.AdapterContracts.OperationResponses;
+
+public class WorkerOperationResponse : OperationResponse
+{
+    public static WorkerOperationResponse OK(List<WorkerViewModel> data) => OK<WorkerOperationResponse, List<WorkerViewModel>>(data);
+
+    public static WorkerOperationResponse OK(WorkerViewModel data) => OK<WorkerOperationResponse, WorkerViewModel>(data);
+
+    public static WorkerOperationResponse NoContent() => NoContent<WorkerOperationResponse>();
+
+    public static WorkerOperationResponse NotFound(string message) => NotFound<WorkerOperationResponse>(message);
+
+    public static WorkerOperationResponse BadRequest(string message) => BadRequest<WorkerOperationResponse>(message);
+
+    public static WorkerOperationResponse InternalServerError(string message) => InternalServerError<WorkerOperationResponse>(message);
+}

SPiluSZharuProject/SPiluSZharuContracts/BindingModels/PostBindingModel.cs

@@ -0,0 +1,14 @@
+namespace SPiluSZharuContracts.BindingModels;
+
+public class PostBindingModel
+{
+    public string? Id { get; set; }
+
+    public string? PostId => Id;
+
+    public string? PostName { get; set; }
+
+    public string? PostType { get; set; }
+
+    public string? ConfigurationJson { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/BindingModels/ProductBindingModel.cs

@@ -0,0 +1,14 @@
+namespace SPiluSZharuContracts.BindingModels;
+
+public class ProductBindingModel
+{
+    public string? Id { get; set; }
+
+    public string? ProductName { get; set; }
+
+    public string? ProductType { get; set; }
+
+    public string? RestaurantId { get; set; }
+
+    public double Price { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/BindingModels/RestaurantBindingModel.cs

@@ -0,0 +1,8 @@
+namespace SPiluSZharuContracts.BindingModels;
+
+public class RestaurantBindingModel
+{
+    public string? Id { get; set; }
+
+    public string? RestaurantName { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/BindingModels/SaleBindingModel.cs

@@ -0,0 +1,12 @@
+namespace SPiluSZharuContracts.BindingModels;
+
+public class SaleBindingModel
+{
+    public string? Id { get; set; }
+
+    public string? WorkerId { get; set; }
+
+    public string? RestaurantId { get; set; }
+
+    public List<SaleProductBindingModel>? Products { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/BindingModels/SaleProductBindingModel.cs

@@ -0,0 +1,12 @@
+namespace SPiluSZharuContracts.BindingModels;
+
+public class SaleProductBindingModel
+{
+    public string? SaleId { get; set; }
+
+    public string? ProductId { get; set; }
+
+    public int Count { get; set; }
+
+    public double Price { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/BindingModels/WorkerBindingModel.cs

@@ -0,0 +1,16 @@
+namespace SPiluSZharuContracts.BindingModels;
+
+public class WorkerBindingModel
+{
+    public string? Id { get; set; }
+
+    public string? FIO { get; set; }
+
+    public string? PostId { get; set; }
+
+    public string? PhoneNumber { get; set; }
+
+    public DateTime BirthDate { get; set; }
+
+    public DateTime EmploymentDate { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/BuisnessLogicContracts/IPostBuisnessLogicContract.cs

@@ -0,0 +1,20 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.BuisnessLogicContracts;
+
+public interface IPostBuisnessLogicContract
+{
+    List<PostDataModel> GetAllPosts();
+
+    List<PostDataModel> GetAllDataOfPost(string postId);
+
+    PostDataModel GetPostByData(string data);
+
+    void InsertPost(PostDataModel postDataModel);
+
+    void UpdatePost(PostDataModel postDataModel);
+
+    void DeletePost(string id);
+
+    void RestorePost(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/BuisnessLogicContracts/IProductBuisnessLogicContract.cs

@@ -0,0 +1,20 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.BuisnessLogicContracts;
+
+public interface IProductBuisnessLogicContract
+{
+    List<ProductDataModel> GetAllProducts(bool onlyActive = true);
+
+    List<ProductDataModel> GetAllProductsByRestaurant(string restaurantId, bool onlyActive = true);
+
+    List<ProductHistoryDataModel> GetProductHistoryByProduct(string productId);
+
+    ProductDataModel GetProductByData(string data);
+
+    void InsertProduct(ProductDataModel productDataModel);
+
+    void UpdateProduct(ProductDataModel productDataModel);
+
+    void DeleteProduct(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/BuisnessLogicContracts/IReportContract.cs

@@ -0,0 +1,18 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.BuisnessLogicContracts;
+
+public interface IReportContract
+{
+    Task<List<RestaurantProductDataModel>> GetDataProductsByRestaurantAsync(CancellationToken ct);
+
+    Task<List<SaleDataModel>> GetDataSaleByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+
+    Task<List<WorkerSalaryByPeriodDataModel>> GetDataSalaryByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+
+    Task<Stream> CreateDocumentProductsByRestaurantAsync(CancellationToken ct);
+
+    Task<Stream> CreateDocumentSalesByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+
+    Task<Stream> CreateDocumentSalaryByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+}

SPiluSZharuProject/SPiluSZharuContracts/BuisnessLogicContracts/IRestaurantBuisnessLogicContract.cs

@@ -0,0 +1,16 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.BuisnessLogicContracts;
+
+public interface IRestaurantBuisnessLogicContract
+{
+    List<RestaurantDataModel> GetAllRestaurants();
+
+    RestaurantDataModel GetRestaurantByData(string data);
+
+    void InsertRestaurant(RestaurantDataModel restaurantDataModel);
+
+    void UpdateRestaurant(RestaurantDataModel restaurantDataModel);
+
+    void DeleteRestaurant(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/BuisnessLogicContracts/ISalaryBuisnessLogicContract.cs

@@ -0,0 +1,12 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.BuisnessLogicContracts;
+
+public interface ISalaryBuisnessLogicContract
+{
+    List<SalaryDataModel> GetAllSalariesByPeriod(DateTime fromDate, DateTime toDate);
+
+    List<SalaryDataModel> GetAllSalariesByPeriodByWorker(DateTime fromDate, DateTime toDate, string workerId);
+
+    void CalculateSalaryByMounth(DateTime date);
+}

SPiluSZharuProject/SPiluSZharuContracts/BuisnessLogicContracts/ISaleBuisnessLogicContract.cs

@@ -0,0 +1,20 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.BuisnessLogicContracts;
+
+public interface ISaleBuisnessLogicContract
+{
+    List<SaleDataModel> GetAllSalesByPeriod(DateTime fromDate, DateTime toDate);
+
+    List<SaleDataModel> GetAllSalesByWorkerByPeriod(string workerId, DateTime fromDate, DateTime toDate);
+
+    List<SaleDataModel> GetAllSalesByRestaurantByPeriod(string restaurantId, DateTime fromDate, DateTime toDate);
+
+    List<SaleDataModel> GetAllSalesByProductByPeriod(string productId, DateTime fromDate, DateTime toDate);
+
+    SaleDataModel GetSaleByData(string data);
+
+    void InsertSale(SaleDataModel saleDataModel);
+
+    void CancelSale(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/BuisnessLogicContracts/IWorkerBuisnessLogicContract.cs

@@ -0,0 +1,22 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.BuisnessLogicContracts;
+
+public interface IWorkerBuisnessLogicContract
+{
+    List<WorkerDataModel> GetAllWorkers(bool onlyActive = true);
+
+    List<WorkerDataModel> GetAllWorkersByPost(string postId, bool onlyActive = true);
+
+    List<WorkerDataModel> GetAllWorkersByBirthDate(DateTime fromDate, DateTime toDate, bool onlyActive = true);
+
+    List<WorkerDataModel> GetAllWorkersByEmploymentDate(DateTime fromDate, DateTime toDate, bool onlyActive = true);
+
+    WorkerDataModel GetWorkerByData(string data);
+
+    void InsertWorker(WorkerDataModel workerDataModel);
+
+    void UpdateWorker(WorkerDataModel workerDataModel);
+
+    void DeleteWorker(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/DataModels/PostDataModel.cs

@@ -1,25 +1,36 @@
-using SPiluSZharuContracts.Enums;
+using Newtonsoft.Json.Linq;
+using Newtonsoft.Json;
+using SPiluSZharuContracts.Enums;
 using SPiluSZharuContracts.Exceptions;
 using SPiluSZharuContracts.Extensions;
 using SPiluSZharuContracts.Infrastructure;
+using SPiluSZharuContracts.Infrastructure.PostConfiguration;
 
 namespace SPiluSZharuContracts.DataModels;
 
-public class PostDataModel(string id, string postId, string postName, PostType postType, double salary, bool isActual, DateTime changeDate) : IValidation
+public class PostDataModel(string postId, string postName, PostType postType, PostConfiguration configuration) : IValidation
 {
-    public string Id { get; private set; } = id;
-
-    public string PostId { get; private set; } = postId;
+    public string Id { get; private set; } = postId;
 
     public string PostName { get; private set; } = postName;
 
     public PostType PostType { get; private set; } = postType;
 
-    public double Salary { get; private set; } = salary;
+    public PostConfiguration ConfigurationModel { get; private set; } = configuration;
 
-    public bool IsActual { get; private set; } = isActual;
-
-    public DateTime ChangeDate { get; private set; } = changeDate;
+    public PostDataModel(string postId, string postName, PostType postType, string configurationJson) : this(postId, postName, postType, (PostConfiguration)null)
+    {
+        var obj = JToken.Parse(configurationJson);
+        if (obj is not null)
+        {
+            ConfigurationModel = obj.Value<string>("Type") switch
+            {
+                nameof(OperatorPostConfiguration) => JsonConvert.DeserializeObject<OperatorPostConfiguration>(configurationJson)!,
+                nameof(DeliveryManPostConfiguration) => JsonConvert.DeserializeObject<DeliveryManPostConfiguration>(configurationJson)!,
+                _ => JsonConvert.DeserializeObject<PostConfiguration>(configurationJson)!,
+            };
+        }
+    }
 
     public void Validate()
     {
@@ -29,19 +40,16 @@ public class PostDataModel(string id, string postId, string postName, PostType p
         if (!Id.IsGuid())
             throw new ValidationException("The value in the field Id is not a unique identifier");
 
-        if (PostId.IsEmpty())
-            throw new ValidationException("Field PostId is empty");
-
-        if (!PostId.IsGuid())
-            throw new ValidationException("The value in the field PostId is not a unique identifier");
-
         if (PostName.IsEmpty())
             throw new ValidationException("Field PostName is empty");
 
         if (PostType == PostType.None)
             throw new ValidationException("Field PostType is empty");
 
-        if (Salary <= 0)
-            throw new ValidationException("Field Salary is empty");
+        if (ConfigurationModel is null)
+            throw new ValidationException("Field ConfigurationModel is not initialized");
+
+        if (ConfigurationModel!.Rate <= 0)
+            throw new ValidationException("Field Rate is less or equal zero");
     }
 }

SPiluSZharuProject/SPiluSZharuContracts/DataModels/ProductDataModel.cs

@@ -5,18 +5,31 @@ using SPiluSZharuContracts.Infrastructure;
 
 namespace SPiluSZharuContracts.DataModels;
 
-public class ProductDataModel(string id, string productName, ProductType productType, double price, bool isDeleted) : IValidation
+public class ProductDataModel(string id, string productName, ProductType productType, string restaurantId, double price, bool isDeleted) : IValidation
 {
+    private readonly RestaurantDataModel? _restaurant;
+
     public string Id { get; private set; } = id;
 
     public string ProductName { get; private set; } = productName;
 
     public ProductType ProductType { get; private set; } = productType;
 
+    public string RestaurantId { get; private set; } = restaurantId;
+
     public double Price { get; private set; } = price;
 
     public bool IsDeleted { get; private set; } = isDeleted;
 
+    public string RestaurantName => _restaurant?.RestaurantName ?? string.Empty;
+
+    public ProductDataModel(string id, string productName, ProductType productType, string restaurantId, double price, bool isDeleted, RestaurantDataModel restaurant) : this(id, productName, productType, restaurantId, price, isDeleted)
+    {
+        _restaurant = restaurant;
+    }
+
+    public ProductDataModel(string id, string productName, ProductType productType, string restaurantId, double price) : this(id, productName, productType, restaurantId, price, false) { }
+
     public void Validate()
     {
         if (Id.IsEmpty())
@@ -31,6 +44,12 @@ public class ProductDataModel(string id, string productName, ProductType product
         if (ProductType == ProductType.None)
             throw new ValidationException("Field ProductType is empty");
 
+        if (RestaurantId.IsEmpty())
+            throw new ValidationException("Field RestaurantId is empty");
+
+        if (!RestaurantId.IsGuid())
+            throw new ValidationException("The value in the field RestaurantId is not a unique identifier");
+
         if (Price <= 0)
             throw new ValidationException("Field Price is less than or equal to 0");
     }

SPiluSZharuProject/SPiluSZharuContracts/DataModels/ProductHistoryDataModel.cs

@@ -6,12 +6,22 @@ namespace SPiluSZharuContracts.DataModels;
 
 public class ProductHistoryDataModel(string productId, double oldPrice) : IValidation
 {
+    private readonly ProductDataModel? _product;
+
     public string ProductId { get; private set; } = productId;
 
     public double OldPrice { get; private set; } = oldPrice;
 
     public DateTime ChangeDate { get; private set; } = DateTime.UtcNow;
 
+    public string ProductName => _product?.ProductName ?? string.Empty;
+
+    public ProductHistoryDataModel(string productId, double oldPrice, DateTime changeDate, ProductDataModel product) : this(productId, oldPrice)
+    {
+        ChangeDate = changeDate;
+        _product = product;
+    }
+
     public void Validate()
     {
         if (ProductId.IsEmpty())

SPiluSZharuProject/SPiluSZharuContracts/DataModels/RestaurantDataModel.cs

@@ -14,6 +14,8 @@ public class RestaurantDataModel(string id, string restaurantName, string? prevR
 
     public string? PrevPrevRestaurantName { get; private set; } = prevPrevRestaurantName;
 
+    public RestaurantDataModel(string id, string restaurantName) : this(id, restaurantName, null, null) { }
+
     public void Validate()
     {
         if (Id.IsEmpty())

SPiluSZharuProject/SPiluSZharuContracts/DataModels/RestaurantProductDataModel.cs

@@ -0,0 +1,8 @@
+namespace SPiluSZharuContracts.DataModels;
+
+public class RestaurantProductDataModel
+{
+    public required string RestaurantName { get; set; }
+
+    public required List<string> Products { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/DataModels/SalaryDataModel.cs

@@ -1,4 +1,5 @@
-using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.Enums;
+using SPiluSZharuContracts.Exceptions;
 using SPiluSZharuContracts.Extensions;
 using SPiluSZharuContracts.Infrastructure;
 
@@ -6,12 +7,21 @@ namespace SPiluSZharuContracts.DataModels;
 
 public class SalaryDataModel(string workerId, DateTime salaryDate, double workerSalary) : IValidation
 {
+    private readonly WorkerDataModel? _worker;
+
     public string WorkerId { get; private set; } = workerId;
 
     public DateTime SalaryDate { get; private set; } = salaryDate;
 
     public double Salary { get; private set; } = workerSalary;
 
+	public string WorkerName => _worker?.FIO ?? string.Empty;
+
+    public SalaryDataModel(string workerId, DateTime salaryDate, double workerSalary, WorkerDataModel worker) : this(workerId, salaryDate, workerSalary)
+    {
+        _worker = worker;
+    }
+
     public void Validate()
     {
         if (WorkerId.IsEmpty())

SPiluSZharuProject/SPiluSZharuContracts/DataModels/SaleDataModel.cs

@@ -4,21 +4,48 @@ using SPiluSZharuContracts.Infrastructure;
 
 namespace SPiluSZharuContracts.DataModels;
 
-public class SaleDataModel(string id, string workerId, string? restaurantId, double sum, bool isCancel, List<SaleProductDataModel> products) : IValidation
+public class SaleDataModel : IValidation
 {
-    public string Id { get; private set; } = id;
+    private readonly RestaurantDataModel? _restaurant;
 
-    public string WorkerId { get; private set; } = workerId;
+    private readonly WorkerDataModel? _worker;
 
-    public string? RestaurantId { get; private set; } = restaurantId;
+    public string Id { get; private set; }
+
+    public string WorkerId { get; private set; }
+
+    public string? RestaurantId { get; private set; }
 
     public DateTime SaleDate { get; private set; } = DateTime.UtcNow;
 
-    public double Sum { get; private set; } = sum;
+    public double Sum { get; private set; }
 
-    public bool IsCancel { get; private set; } = isCancel;
+    public bool IsCancel { get; private set; }
 
-    public List<SaleProductDataModel> Products { get; private set; } = products;
+    public List<SaleProductDataModel>? Products { get; private set; }
+
+    public string RestaurantName => _restaurant?.RestaurantName ?? string.Empty;
+
+    public string WorkerFIO => _worker?.FIO ?? string.Empty;
+
+    public SaleDataModel(string id, string workerId, string? restaurantId, bool isCancel, List<SaleProductDataModel> saleProducts)
+    {
+        Id = id;
+        WorkerId = workerId;
+        RestaurantId = restaurantId;
+        IsCancel = isCancel;
+        Products = saleProducts;
+        Sum = Products?.Sum(x => x.Price * x.Count) ?? 0;
+    }
+
+    public SaleDataModel(string id, string workerId, string? restaurantId, double sum, bool isCancel, List<SaleProductDataModel> saleProducts, WorkerDataModel worker, RestaurantDataModel? restaurant) : this(id, workerId, restaurantId, isCancel, saleProducts)
+    {
+        Sum = sum;
+        _worker = worker;
+        _restaurant = restaurant;
+    }
+
+    public SaleDataModel(string id, string workerId, string? restaurantId, List<SaleProductDataModel> products) : this(id, workerId, restaurantId, false, products) { }
 
     public void Validate()
     {

SPiluSZharuProject/SPiluSZharuContracts/DataModels/SaleProductDataModel.cs

@@ -4,14 +4,25 @@ using SPiluSZharuContracts.Infrastructure;
 
 namespace SPiluSZharuContracts.DataModels;
 
-public class SaleProductDataModel(string saleId, string productId, int count) : IValidation
+public class SaleProductDataModel(string saleId, string productId, int count, double price) : IValidation
 {
+    private readonly ProductDataModel? _product;
+
     public string SaleId { get; private set; } = saleId;
 
     public string ProductId { get; private set; } = productId;
 
     public int Count { get; private set; } = count;
 
+    public double Price { get; private set; } = price;
+
+    public string ProductName => _product?.ProductName ?? string.Empty;
+
+    public SaleProductDataModel(string saleId, string productId, int count, double price, ProductDataModel product) : this(saleId, productId, count, price)
+    {
+        _product = product;
+    }
+
     public void Validate()
     {
         if (SaleId.IsEmpty())

SPiluSZharuProject/SPiluSZharuContracts/DataModels/WorkerDataModel.cs

@@ -1,4 +1,5 @@
-using SPiluSZharuContracts.Exceptions;
+using Microsoft.Extensions.Hosting;
+using SPiluSZharuContracts.Exceptions;
 using SPiluSZharuContracts.Extensions;
 using SPiluSZharuContracts.Infrastructure;
 using System.Text.RegularExpressions;
@@ -7,6 +8,8 @@ namespace SPiluSZharuContracts.DataModels;
 
 public class WorkerDataModel(string id, string fio, string postId, string phoneNumber, DateTime birthDate, DateTime employmentDate, bool isDeleted) : IValidation
 {
+    private readonly PostDataModel? _post;
+
     public string Id { get; private set; } = id;
 
     public string FIO { get; private set; } = fio;
@@ -21,6 +24,15 @@ public class WorkerDataModel(string id, string fio, string postId, string phoneN
 
     public bool IsDeleted { get; private set; } = isDeleted;
 
+    public string PostName => _post?.PostName ?? string.Empty;
+
+    public WorkerDataModel(string id, string fio, string postId, string phoneNumber, DateTime birthDate, DateTime employmentDate, bool isDeleted, PostDataModel post) : this(id, fio, postId, phoneNumber, birthDate, employmentDate, isDeleted)
+    {
+        _post = post;
+    }
+
+    public WorkerDataModel(string id, string fio, string postId, string phoneNumber, DateTime birthDate, DateTime employmentDate) : this(id, fio, postId, phoneNumber, birthDate, employmentDate, false) { }
+
     public void Validate()
     {
         if (Id.IsEmpty())

SPiluSZharuProject/SPiluSZharuContracts/DataModels/WorkerSalaryByPeriodDataModel.cs

@@ -0,0 +1,12 @@
+namespace SPiluSZharuContracts.DataModels;
+
+public class WorkerSalaryByPeriodDataModel
+{
+    public required string WorkerFIO { get; set; }
+
+    public double TotalSalary { get; set; }
+
+    public DateTime FromPeriod { get; set; }
+
+    public DateTime ToPeriod { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/Exceptions/ElementDeletedException.cs

@@ -0,0 +1,6 @@
+namespace SPiluSZharuContracts.Exceptions;
+
+public class ElementDeletedException : Exception
+{
+    public ElementDeletedException(string id) : base($"Cannot modify a deleted item (id: {id})") { }
+}

SPiluSZharuProject/SPiluSZharuContracts/Exceptions/ElementExistsException.cs

@@ -0,0 +1,14 @@
+namespace SPiluSZharuContracts.Exceptions;
+
+public class ElementExistsException : Exception
+{
+    public string ParamName { get; private set; }
+
+    public string ParamValue { get; private set; }
+
+    public ElementExistsException(string paramName, string paramValue) : base($"There is already an element with value{paramValue} of parameter {paramName}")
+    {
+        ParamName = paramName;
+        ParamValue = paramValue;
+    }
+}

SPiluSZharuProject/SPiluSZharuContracts/Exceptions/ElementNotFoundException.cs

@@ -0,0 +1,11 @@
+namespace SPiluSZharuContracts.Exceptions;
+
+public class ElementNotFoundException : Exception
+{
+    public string Value { get; private set; }
+
+    public ElementNotFoundException(string value) : base($"Element not found at value = {value}")
+    {
+        Value = value;
+    }
+}

SPiluSZharuProject/SPiluSZharuContracts/Exceptions/IncorrectDatesException.cs

@@ -0,0 +1,6 @@
+namespace SPiluSZharuContracts.Exceptions;
+
+public class IncorrectDatesException : Exception
+{
+    public IncorrectDatesException(DateTime start, DateTime end) : base($"The end date must be later than the start date.. StartDate: {start:dd.MM.YYYY}. EndDate: {end:dd.MM.YYYY}") { }
+}

SPiluSZharuProject/SPiluSZharuContracts/Exceptions/NullListException.cs

@@ -0,0 +1,6 @@
+namespace SPiluSZharuContracts.Exceptions;
+
+public class NullListException : Exception
+{
+    public NullListException() : base("The returned list is null") { }
+}

SPiluSZharuProject/SPiluSZharuContracts/Exceptions/StorageException.cs

@@ -0,0 +1,6 @@
+namespace SPiluSZharuContracts.Exceptions;
+
+public class StorageException : Exception
+{
+    public StorageException(Exception ex) : base($"Error while working in storage: {ex.Message}", ex) { }
+}

SPiluSZharuProject/SPiluSZharuContracts/Extensions/DateTimeExtensions.cs

@@ -0,0 +1,9 @@
+namespace SPiluSZharuContracts.Extensions;
+
+public static class DateTimeExtensions
+{
+    public static bool IsDateNotOlder(this DateTime date, DateTime olderDate)
+    {
+        return date >= olderDate;
+    }
+}

SPiluSZharuProject/SPiluSZharuContracts/Infrastructure/IConfigurationDatabase.cs

@@ -0,0 +1,6 @@
+namespace SPiluSZharuContracts.Infrastructure;
+
+public interface IConfigurationDatabase
+{
+    string ConnectionString { get; }
+}

SPiluSZharuProject/SPiluSZharuContracts/Infrastructure/IConfigurationSalary.cs

@@ -0,0 +1,8 @@
+namespace SPiluSZharuContracts.Infrastructure;
+
+public interface IConfigurationSalary
+{
+    double ExtraSaleSum { get; }
+
+    int MaxConcurrentThreads { get; }
+}

SPiluSZharuProject/SPiluSZharuContracts/Infrastructure/OperationResponse.cs

@@ -0,0 +1,48 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using System.Net;
+
+namespace SPiluSZharuContracts.Infrastructure;
+
+public class OperationResponse
+{
+    protected HttpStatusCode StatusCode { get; set; }
+
+    protected object? Result { get; set; }
+
+    protected string? FileName { get; set; }
+
+    public IActionResult GetResponse(HttpRequest request, HttpResponse response)
+    {
+        ArgumentNullException.ThrowIfNull(request);
+        ArgumentNullException.ThrowIfNull(response);
+
+        response.StatusCode = (int)StatusCode;
+
+        if (Result is null)
+        {
+            return new StatusCodeResult((int)StatusCode);
+        }
+        if (Result is Stream stream)
+        {
+            return new FileStreamResult(stream, "application/octet-stream")
+            {
+                FileDownloadName = FileName
+            };
+        }
+
+        return new ObjectResult(Result);
+    }
+
+    protected static TResult OK<TResult, TData>(TData data) where TResult : OperationResponse, new() => new() { StatusCode = HttpStatusCode.OK, Result = data };
+
+    protected static TResult OK<TResult, TData>(TData data, string fileName) where TResult : OperationResponse, new() => new() { StatusCode = HttpStatusCode.OK, Result = data, FileName = fileName };
+
+    protected static TResult NoContent<TResult>() where TResult : OperationResponse, new() => new() { StatusCode = HttpStatusCode.NoContent };
+
+    protected static TResult BadRequest<TResult>(string? errorMessage = null) where TResult : OperationResponse, new() => new() { StatusCode = HttpStatusCode.BadRequest, Result = errorMessage };
+
+    protected static TResult NotFound<TResult>(string? errorMessage = null) where TResult : OperationResponse, new() => new() { StatusCode = HttpStatusCode.NotFound, Result = errorMessage };
+
+    protected static TResult InternalServerError<TResult>(string? errorMessage = null) where TResult : OperationResponse, new() => new() { StatusCode = HttpStatusCode.InternalServerError, Result = errorMessage };
+}

SPiluSZharuProject/SPiluSZharuContracts/Infrastructure/PostConfiguration/DeliveryManPostConfiguration.cs

@@ -0,0 +1,10 @@
+namespace SPiluSZharuContracts.Infrastructure.PostConfiguration;
+
+public class DeliveryManPostConfiguration : PostConfiguration
+{
+    public override string Type => nameof(DeliveryManPostConfiguration);
+
+    public double SalePercent { get; set; }
+
+    public double BonusForExtraSales { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/Infrastructure/PostConfiguration/OperatorPostConfiguration.cs

@@ -0,0 +1,8 @@
+namespace SPiluSZharuContracts.Infrastructure.PostConfiguration;
+
+public class OperatorPostConfiguration : PostConfiguration
+{
+    public override string Type => nameof(OperatorPostConfiguration);
+
+    public double PersonalCountTrendPremium { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/Infrastructure/PostConfiguration/PostConfiguration.cs

@@ -0,0 +1,8 @@
+namespace SPiluSZharuContracts.Infrastructure.PostConfiguration;
+
+public class PostConfiguration
+{
+    public virtual string Type => nameof(PostConfiguration);
+
+    public double Rate { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/SPiluSZharuContracts.csproj

@@ -6,4 +6,11 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Abstractions" Version="2.3.0" />
+    <PackageReference Include="Microsoft.AspNetCore.Mvc.Core" Version="2.3.0" />
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.2" />
+    <PackageReference Include="Moq" Version="4.20.72" />
+  </ItemGroup>
+
 </Project>

SPiluSZharuProject/SPiluSZharuContracts/StorageContracts/IPostStorageContract.cs

@@ -0,0 +1,22 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.StorageContracts;
+
+public interface IPostStorageContract
+{
+    List<PostDataModel> GetList();
+
+    List<PostDataModel> GetPostWithHistory(string postId);
+
+    PostDataModel? GetElementById(string id);
+
+    PostDataModel? GetElementByName(string name);
+
+    void AddElement(PostDataModel postDataModel);
+
+    void UpdElement(PostDataModel postDataModel);
+
+    void DelElement(string id);
+
+    void ResElement(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/StorageContracts/IProductStorageContract.cs

@@ -0,0 +1,22 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.StorageContracts;
+
+public interface IProductStorageContract
+{
+    List<ProductDataModel> GetList(bool onlyActive = true, string? restaurantId = null);
+
+    Task<List<ProductDataModel>> GetListAsync(CancellationToken ct);
+
+    List<ProductHistoryDataModel> GetHistoryByProductId(string productId);
+
+    ProductDataModel? GetElementById(string id);
+
+    ProductDataModel? GetElementByName(string name);
+
+    void AddElement(ProductDataModel productDataModel);
+
+    void UpdElement(ProductDataModel productDataModel);
+
+    void DelElement(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/StorageContracts/IRestaurantStorageContract.cs

@@ -0,0 +1,20 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.StorageContracts;
+
+public interface IRestaurantStorageContract
+{
+	List<RestaurantDataModel> GetList();
+
+    RestaurantDataModel? GetElementById(string id);
+
+    RestaurantDataModel? GetElementByName(string name);
+
+    RestaurantDataModel? GetElementByOldName(string name);
+
+	void AddElement(RestaurantDataModel restaurantDataModel);
+
+	void UpdElement(RestaurantDataModel restaurantDataModel);
+
+	void DelElement(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/StorageContracts/ISalaryStorageContract.cs

@@ -0,0 +1,12 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.StorageContracts;
+
+public interface ISalaryStorageContract
+{
+    List<SalaryDataModel> GetList(DateTime? startDate, DateTime? endDate, string? workerId = null);
+
+    Task<List<SalaryDataModel>> GetListAsync(DateTime startDate, DateTime endDate, CancellationToken ct);
+
+    void AddElement(SalaryDataModel salaryDataModel);
+}

SPiluSZharuProject/SPiluSZharuContracts/StorageContracts/ISaleStorageContract.cs

@@ -0,0 +1,17 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.StorageContracts;
+
+public interface ISaleStorageContract
+{
+    List<SaleDataModel> GetList(DateTime? startDate = null, DateTime? endDate = null, 
+        string? workerId = null, string? restaurantId = null, string? productId = null);
+
+    Task<List<SaleDataModel>> GetListAsync(DateTime startDate, DateTime endDate, CancellationToken ct);
+
+    SaleDataModel? GetElementById(string id);
+
+    void AddElement(SaleDataModel saleDataModel);
+
+    void DelElement(string id);
+}

SPiluSZharuProject/SPiluSZharuContracts/StorageContracts/IWorkerStorageContract.cs

@@ -0,0 +1,23 @@
+using SPiluSZharuContracts.DataModels;
+
+namespace SPiluSZharuContracts.StorageContracts;
+
+public interface IWorkerStorageContract
+{
+    List<WorkerDataModel> GetList(bool onlyActive = true, string? postId = null, DateTime? fromBirthDate = null, 
+        DateTime? toBirthDate = null, DateTime? fromEmploymentDate = null, DateTime? toEmploymentDate = null);
+
+    WorkerDataModel? GetElementById(string id);
+
+    WorkerDataModel? GetElementByFIO(string fio);
+
+    WorkerDataModel? GetElementByPhoneNumber(string phoneNumber);
+
+    void AddElement(WorkerDataModel workerDataModel);
+
+    void UpdElement(WorkerDataModel workerDataModel);
+
+    void DelElement(string id);
+
+    int GetWorkerTrend(DateTime fromPeriod, DateTime toPeriod);
+}

SPiluSZharuProject/SPiluSZharuContracts/ViewModels/PostViewModel.cs

@@ -0,0 +1,12 @@
+namespace SPiluSZharuContracts.ViewModels;
+
+public class PostViewModel
+{
+    public required string Id { get; set; }
+
+    public required string PostName { get; set; }
+
+    public required string PostType { get; set; }
+
+    public required string Configuration { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/ViewModels/ProductHistoryViewModel.cs

@@ -0,0 +1,10 @@
+namespace SPiluSZharuContracts.ViewModels;
+
+public class ProductHistoryViewModel
+{
+    public required string ProductName { get; set; }
+
+    public double OldPrice { get; set; }
+
+    public DateTime ChangeDate { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/ViewModels/ProductViewModel.cs

@@ -0,0 +1,18 @@
+namespace SPiluSZharuContracts.ViewModels;
+
+public class ProductViewModel
+{
+    public required string Id { get; set; }
+
+    public required string ProductName { get; set; }
+
+    public required string RestaurantId { get; set; }
+
+    public required string RestaurantName { get; set; }
+
+    public required string ProductType { get; set; }
+
+    public double Price { get; set; }
+
+    public bool IsDeleted { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/ViewModels/RestaurantProductViewModel.cs

@@ -0,0 +1,8 @@
+namespace SPiluSZharuContracts.ViewModels;
+
+public class RestaurantProductViewModel
+{
+    public required string RestaurantName { get; set; }
+
+    public required List<string> Products { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/ViewModels/RestaurantViewModel.cs

@@ -0,0 +1,12 @@
+namespace SPiluSZharuContracts.ViewModels;
+
+public class RestaurantViewModel
+{
+    public required string Id { get; set; }
+
+    public required string RestaurantName { get; set; }
+
+    public string? PrevRestaurantName { get; set; }
+
+    public string? PrevPrevRestaurantName { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/ViewModels/SalaryViewModel.cs

@@ -0,0 +1,12 @@
+namespace SPiluSZharuContracts.ViewModels;
+
+public class SalaryViewModel
+{
+    public required string WorkerId { get; set; }
+
+    public required string WorkerFIO { get; set; }
+
+    public DateTime SalaryDate { get; set; }
+
+    public double Salary { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/ViewModels/SaleProductViewModel.cs

@@ -0,0 +1,12 @@
+namespace SPiluSZharuContracts.ViewModels;
+
+public class SaleProductViewModel
+{
+    public required string ProductId { get; set; }
+
+    public required string ProductName { get; set; }
+
+    public int Count { get; set; }
+
+    public double Price { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/ViewModels/SaleViewModel.cs

@@ -0,0 +1,22 @@
+namespace SPiluSZharuContracts.ViewModels;
+
+public class SaleViewModel
+{
+    public required string Id { get; set; }
+
+    public required string WorkerId { get; set; }
+
+    public required string WorkerFIO { get; set; }
+
+    public string? RestaurantId { get; set; }
+
+    public string? RestaurantName { get; set; }
+
+    public DateTime SaleDate { get; set; }
+
+    public double Sum { get; set; }
+
+    public bool IsCancel { get; set; }
+
+    public required List<SaleProductViewModel> Products { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/ViewModels/WorkerSalaryByPeriodViewModel.cs

@@ -0,0 +1,12 @@
+namespace SPiluSZharuContracts.ViewModels;
+
+public class WorkerSalaryByPeriodViewModel
+{
+    public required string WorkerFIO { get; set; }
+
+    public double TotalSalary { get; set; }
+
+    public DateTime FromPeriod { get; set; }
+
+    public DateTime ToPeriod { get; set; }
+}

SPiluSZharuProject/SPiluSZharuContracts/ViewModels/WorkerViewModel.cs

@@ -0,0 +1,20 @@
+namespace SPiluSZharuContracts.ViewModels;
+
+public class WorkerViewModel
+{
+    public required string Id { get; set; }
+
+    public required string FIO { get; set; }
+
+    public required string PostId { get; set; }
+
+    public required string PostName { get; set; }
+
+    public required string PhoneNumber { get; set; }
+
+    public bool IsDeleted { get; set; }
+
+    public DateTime BirthDate { get; set; }
+
+    public DateTime EmploymentDate { get; set; }
+}

SPiluSZharuProject/SPiluSZharuDatabase/DefaultConfigurationDatabase.cs

@@ -0,0 +1,8 @@
+using SPiluSZharuContracts.Infrastructure;
+
+namespace SPiluSZharuDatabase;
+
+class DefaultConfigurationDatabase : IConfigurationDatabase
+{
+    public string ConnectionString => "";
+}

SPiluSZharuProject/SPiluSZharuDatabase/Implementations/PostStorageContract.cs

@@ -0,0 +1,186 @@
+using AutoMapper;
+using Microsoft.EntityFrameworkCore;
+using Npgsql;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.StorageContracts;
+using SPiluSZharuDatabase.Models;
+
+namespace SPiluSZharuDatabase.Implementations;
+
+internal class PostStorageContract : IPostStorageContract
+{
+    private readonly SPiluSZharuDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public PostStorageContract(SPiluSZharuDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<Post, PostDataModel>()
+                .ForMember(x => x.Id, x => x.MapFrom(src => src.PostId));
+            cfg.CreateMap<PostDataModel, Post>()
+                .ForMember(x => x.Id, x => x.Ignore())
+                .ForMember(x => x.PostId, x => x.MapFrom(src => src.Id))
+                .ForMember(x => x.IsActual, x => x.MapFrom(src => true))
+                .ForMember(x => x.ChangeDate, x => x.MapFrom(src => DateTime.UtcNow))
+				.ForMember(x => x.Configuration, x => x.MapFrom(src => src.ConfigurationModel));
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<PostDataModel> GetList()
+    {
+        try
+        {
+            return [.. _dbContext.Posts.Select(x => _mapper.Map<PostDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public List<PostDataModel> GetPostWithHistory(string postId)
+    {
+        try
+        {
+            return [.. _dbContext.Posts.Where(x => x.PostId == postId).Select(x => _mapper.Map<PostDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public PostDataModel? GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<PostDataModel>(_dbContext.Posts.FirstOrDefault(x => x.PostId == id && x.IsActual));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public PostDataModel? GetElementByName(string name)
+    {
+        try
+        {
+            return _mapper.Map<PostDataModel>(_dbContext.Posts.FirstOrDefault(x => x.PostName == name && x.IsActual));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(PostDataModel postDataModel)
+    {
+        try
+        {
+            _dbContext.Posts.Add(_mapper.Map<Post>(postDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Posts_PostName_IsActual" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("PostName", postDataModel.PostName);
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Posts_PostId_IsActual" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("PostId", postDataModel.Id);
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void UpdElement(PostDataModel postDataModel)
+    {
+        try
+        {
+            var transaction = _dbContext.Database.BeginTransaction();
+            try
+            {
+                var element = GetPostById(postDataModel.Id) ?? throw new ElementNotFoundException(postDataModel.Id);
+                if (!element.IsActual)
+                {
+                    throw new ElementDeletedException(postDataModel.Id);
+                }
+                element.IsActual = false;
+                _dbContext.SaveChanges();
+                var newElement = _mapper.Map<Post>(postDataModel);
+                _dbContext.Posts.Add(newElement);
+                _dbContext.SaveChanges();
+                transaction.Commit();
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Posts_PostName_IsActual" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("PostName", postDataModel.PostName);
+        }
+        catch (Exception ex) when (ex is ElementDeletedException || ex is ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void DelElement(string id)
+    {
+        try
+        {
+            var element = GetPostById(id) ?? throw new ElementNotFoundException(id);
+            if (!element.IsActual)
+            {
+                throw new ElementDeletedException(id);
+            }
+            element.IsActual = false;
+            _dbContext.SaveChanges();
+        }
+        catch
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+    }
+
+    public void ResElement(string id)
+    {
+        try
+        {
+            var element = GetPostById(id) ?? throw new ElementNotFoundException(id);
+            element.IsActual = true;
+            _dbContext.SaveChanges();
+        }
+        catch
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+    }
+
+    private Post? GetPostById(string id) => _dbContext.Posts.Where(x => x.PostId == id).OrderByDescending(x => x.ChangeDate).FirstOrDefault();
+}

SPiluSZharuProject/SPiluSZharuDatabase/Implementations/ProductStorageContract.cs

@@ -0,0 +1,189 @@
+using AutoMapper;
+using Microsoft.EntityFrameworkCore;
+using Npgsql;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.StorageContracts;
+using SPiluSZharuDatabase.Models;
+
+namespace SPiluSZharuDatabase.Implementations;
+
+internal class ProductStorageContract : IProductStorageContract
+{
+    private readonly SPiluSZharuDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public ProductStorageContract(SPiluSZharuDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<Restaurant, RestaurantDataModel>();
+            cfg.CreateMap<Product, ProductDataModel>();
+            cfg.CreateMap<ProductDataModel, Product>()
+                .ForMember(x => x.IsDeleted, x => x.MapFrom(src => false));
+            cfg.CreateMap<ProductHistory, ProductHistoryDataModel>();
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<ProductDataModel> GetList(bool onlyActive = true, string? restaurantId = null)
+    {
+        try
+        {
+            var query = _dbContext.Products.Include(x => x.Restaurant).AsQueryable();
+            if (onlyActive)
+            {
+                query = query.Where(x => !x.IsDeleted);
+            }
+            if (restaurantId is not null)
+            {
+                query = query.Where(x => x.RestaurantId == restaurantId);
+            }
+            return [.. query.Select(x => _mapper.Map<ProductDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public async Task<List<ProductDataModel>> GetListAsync(CancellationToken ct)
+    {
+        try
+        {
+            return [.. await _dbContext.Products.Include(x => x.Restaurant).Select(x => _mapper.Map<ProductDataModel>(x)).ToListAsync(ct)];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public List<ProductHistoryDataModel> GetHistoryByProductId(string productId)
+    {
+        try
+        {
+            return [.. _dbContext.ProductHistories.Include(x => x.Product).Where(x => x.ProductId == productId).OrderByDescending(x => x.ChangeDate).Select(x => _mapper.Map<ProductHistoryDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public ProductDataModel? GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<ProductDataModel>(GetProductById(id));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public ProductDataModel? GetElementByName(string name)
+    {
+        try
+        {
+            return _mapper.Map<ProductDataModel>(_dbContext.Products.Include(x => x.Restaurant).FirstOrDefault(x => x.ProductName == name && !x.IsDeleted));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(ProductDataModel productDataModel)
+    {
+        try
+        {
+            _dbContext.Products.Add(_mapper.Map<Product>(productDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (InvalidOperationException ex) when (ex.TargetSite?.Name == "ThrowIdentityConflict")
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("Id", productDataModel.Id);
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Products_ProductName_IsDeleted" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("ProductName", productDataModel.ProductName);
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void UpdElement(ProductDataModel productDataModel)
+    {
+        try
+        {
+            var transaction = _dbContext.Database.BeginTransaction();
+            try
+            {
+                var element = GetProductById(productDataModel.Id) ?? throw new ElementNotFoundException(productDataModel.Id);
+                if (element.Price != productDataModel.Price)
+                {
+                    _dbContext.ProductHistories.Add(new ProductHistory() { ProductId = element.Id, OldPrice = element.Price });
+                    _dbContext.SaveChanges();
+                }
+                _dbContext.Products.Update(_mapper.Map(productDataModel, element));
+                _dbContext.SaveChanges();
+                transaction.Commit();
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Products_ProductName_IsDeleted" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("ProductName", productDataModel.ProductName);
+        }
+        catch (Exception ex) when (ex is ElementDeletedException || ex is ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void DelElement(string id)
+    {
+        try
+        {
+            var element = GetProductById(id) ?? throw new ElementNotFoundException(id);
+            element.IsDeleted = true;
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    private Product? GetProductById(string id) => _dbContext.Products.Include(x => x.Restaurant).FirstOrDefault(x => x.Id == id && !x.IsDeleted);
+}

SPiluSZharuProject/SPiluSZharuDatabase/Implementations/RestaurantStorageContract.cs

@@ -0,0 +1,155 @@
+using AutoMapper;
+using Microsoft.EntityFrameworkCore;
+using Npgsql;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.StorageContracts;
+using SPiluSZharuDatabase.Models;
+
+namespace SPiluSZharuDatabase.Implementations;
+
+internal class RestaurantStorageContract : IRestaurantStorageContract
+{
+    private readonly SPiluSZharuDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public RestaurantStorageContract(SPiluSZharuDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.AddMaps(typeof(SPiluSZharuDbContext).Assembly);
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<RestaurantDataModel> GetList()
+    {
+        try
+        {
+            return [.. _dbContext.Restaurants.Select(x => _mapper.Map<RestaurantDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public RestaurantDataModel? GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<RestaurantDataModel>(GetRestaurantById(id));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public RestaurantDataModel? GetElementByName(string name)
+    {
+        try
+        {
+            return _mapper.Map<RestaurantDataModel>(_dbContext.Restaurants.FirstOrDefault(x => x.RestaurantName == name));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public RestaurantDataModel? GetElementByOldName(string name)
+    {
+        try
+        {
+            return _mapper.Map<RestaurantDataModel>(_dbContext.Restaurants.FirstOrDefault(x => x.PrevRestaurantName == name ||
+                x.PrevPrevRestaurantName == name));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(RestaurantDataModel RestaurantDataModel)
+    {
+        try
+        {
+            _dbContext.Restaurants.Add(_mapper.Map<Restaurant>(RestaurantDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (InvalidOperationException ex) when (ex.TargetSite?.Name == "ThrowIdentityConflict")
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("Id", RestaurantDataModel.Id);
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Restaurants_RestaurantName" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("RestaurantName", RestaurantDataModel.RestaurantName);
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void UpdElement(RestaurantDataModel RestaurantDataModel)
+    {
+        try
+        {
+            var element = GetRestaurantById(RestaurantDataModel.Id) ?? throw new ElementNotFoundException(RestaurantDataModel.Id);
+            if (element.RestaurantName != RestaurantDataModel.RestaurantName)
+            {
+                element.PrevPrevRestaurantName = element.PrevRestaurantName;
+                element.PrevRestaurantName = element.RestaurantName;
+                element.RestaurantName = RestaurantDataModel.RestaurantName;
+            }
+            _dbContext.Restaurants.Update(element);
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Restaurants_RestaurantName" })
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("RestaurantName", RestaurantDataModel.RestaurantName);
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void DelElement(string id)
+    {
+        try
+        {
+            var element = GetRestaurantById(id) ?? throw new ElementNotFoundException(id);
+            _dbContext.Restaurants.Remove(element);
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    private Restaurant? GetRestaurantById(string id) => _dbContext.Restaurants.FirstOrDefault(x => x.Id == id);
+}

SPiluSZharuProject/SPiluSZharuDatabase/Implementations/SalaryStorageContract.cs

@@ -0,0 +1,74 @@
+using AutoMapper;
+using Microsoft.EntityFrameworkCore;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.StorageContracts;
+using SPiluSZharuDatabase.Models;
+
+namespace SPiluSZharuDatabase.Implementations;
+
+internal class SalaryStorageContract : ISalaryStorageContract
+{
+    private readonly SPiluSZharuDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public SalaryStorageContract(SPiluSZharuDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<Worker, WorkerDataModel>();
+            cfg.CreateMap<Salary, SalaryDataModel>();
+            cfg.CreateMap<SalaryDataModel, Salary>()
+                .ForMember(dest => dest.WorkerSalary, opt => opt.MapFrom(src => src.Salary));
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<SalaryDataModel> GetList(DateTime? startDate, DateTime? endDate, string? workerId = null)
+    {
+        try
+        {
+            var query = _dbContext.Salaries.Include(x => x.Worker).AsQueryable();
+            if (startDate.HasValue)
+                query = query.Where(x => x.SalaryDate >= DateTime.SpecifyKind(startDate ?? DateTime.UtcNow, DateTimeKind.Utc));
+            if (endDate.HasValue)
+                query = query.Where(x => x.SalaryDate <= DateTime.SpecifyKind(endDate ?? DateTime.UtcNow, DateTimeKind.Utc));
+            if (workerId != null)
+                query = query.Where(x => x.WorkerId == workerId);
+            return [.. query.Select(x => _mapper.Map<SalaryDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public async Task<List<SalaryDataModel>> GetListAsync(DateTime startDate, DateTime endDate, CancellationToken ct)
+    {
+        try
+        {
+            return [.. await _dbContext.Salaries.Include(x => x.Worker).Where(x => x.SalaryDate >= startDate && x.SalaryDate <= endDate).Select(x => _mapper.Map<SalaryDataModel>(x)).ToListAsync(ct)];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(SalaryDataModel salaryDataModel)
+    {
+        try
+        {
+            _dbContext.Salaries.Add(_mapper.Map<Salary>(salaryDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+}

SPiluSZharuProject/SPiluSZharuDatabase/Implementations/SaleStorageContract.cs

@@ -0,0 +1,129 @@
+using AutoMapper;
+using Microsoft.EntityFrameworkCore;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.StorageContracts;
+using SPiluSZharuDatabase.Models;
+using System;
+
+namespace SPiluSZharuDatabase.Implementations;
+
+internal class SaleStorageContract : ISaleStorageContract
+{
+    private readonly SPiluSZharuDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public SaleStorageContract(SPiluSZharuDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<Restaurant, RestaurantDataModel>();
+            cfg.CreateMap<Product, ProductDataModel>();
+            cfg.CreateMap<Worker, WorkerDataModel>();
+            cfg.CreateMap<SaleProduct, SaleProductDataModel>();
+            cfg.CreateMap<SaleProductDataModel, SaleProduct>();
+            cfg.CreateMap<Sale, SaleDataModel>();
+            cfg.CreateMap<SaleDataModel, Sale>()
+                .ForMember(x => x.IsCancel, x => x.MapFrom(src => false))
+                .ForMember(x => x.SaleProducts, x => x.MapFrom(src => src.Products));
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<SaleDataModel> GetList(DateTime? startDate = null, DateTime? endDate = null, string? workerId = null, string? restaurantId = null, string? productId = null)
+    {
+        try
+        {
+            var query = _dbContext.Sales.Include(x => x.Restaurant).Include(x => x.Worker).Include(x => x.SaleProducts)!.ThenInclude(x => x.Product).AsQueryable();
+            if (startDate is not null && endDate is not null)
+            {
+                query = query.Where(x => x.SaleDate >= startDate && x.SaleDate < endDate);
+            }
+            if (workerId is not null)
+            {
+                query = query.Where(x => x.WorkerId == workerId);
+            }
+            if (restaurantId is not null)
+            {
+                query = query.Where(x => x.RestaurantId == restaurantId);
+            }
+            if (productId is not null)
+            {
+                query = query.Where(x => x.SaleProducts!.Any(y => y.ProductId == productId));
+            }
+            return [.. query.Select(x => _mapper.Map<SaleDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public async Task<List<SaleDataModel>> GetListAsync(DateTime startDate, DateTime endDate, CancellationToken ct)
+    {
+        try
+        {
+            return [.. await _dbContext.Sales.Include(x => x.SaleProducts)!.ThenInclude(x => x.Product).Where(x => x.SaleDate >= startDate && x.SaleDate < endDate).Select(x => _mapper.Map<SaleDataModel>(x)).ToListAsync(ct)];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public SaleDataModel? GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<SaleDataModel>(GetSaleById(id));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(SaleDataModel saleDataModel)
+    {
+        try
+        {
+            _dbContext.Sales.Add(_mapper.Map<Sale>(saleDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void DelElement(string id)
+    {
+        try
+        {
+            var element = GetSaleById(id) ?? throw new ElementNotFoundException(id);
+            if (element.IsCancel)
+            {
+                throw new ElementDeletedException(id);
+            }
+            element.IsCancel = true;
+            _dbContext.SaveChanges();
+        }
+        catch (Exception ex) when (ex is ElementDeletedException || ex is ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    private Sale? GetSaleById(string id) => _dbContext.Sales.Include(x => x.Restaurant).Include(x => x.Worker).Include(x => x.SaleProducts)!.ThenInclude(x => x.Product).FirstOrDefault(x => x.Id == id);
+}

SPiluSZharuProject/SPiluSZharuDatabase/Implementations/WorkerStorageContract.cs

@@ -0,0 +1,178 @@
+using AutoMapper;
+using SPiluSZharuContracts.DataModels;
+using SPiluSZharuContracts.Exceptions;
+using SPiluSZharuContracts.StorageContracts;
+using SPiluSZharuDatabase.Models;
+
+namespace SPiluSZharuDatabase.Implementations;
+
+internal class WorkerStorageContract : IWorkerStorageContract
+{
+    private readonly SPiluSZharuDbContext _dbContext;
+    private readonly Mapper _mapper;
+
+    public WorkerStorageContract(SPiluSZharuDbContext dbContext)
+    {
+        _dbContext = dbContext;
+        var config = new MapperConfiguration(cfg =>
+        {
+            cfg.CreateMap<Post, PostDataModel>()
+                .ForMember(x => x.Id, x => x.MapFrom(src => src.PostId));
+            cfg.AddMaps(typeof(SPiluSZharuDbContext).Assembly);
+        });
+        _mapper = new Mapper(config);
+    }
+
+    public List<WorkerDataModel> GetList(bool onlyActive = true, string? postId = null, DateTime? fromBirthDate = null, DateTime? toBirthDate = null, DateTime? fromEmploymentDate = null, DateTime? toEmploymentDate = null)
+    {
+        try
+        {
+            var query = _dbContext.Workers.AsQueryable();
+            if (onlyActive)
+            {
+                query = query.Where(x => !x.IsDeleted);
+            }
+            if (postId is not null)
+            {
+                query = query.Where(x => x.PostId == postId);
+            }
+            if (fromBirthDate is not null && toBirthDate is not null)
+            {
+                query = query.Where(x => x.BirthDate >= fromBirthDate && x.BirthDate <= toBirthDate);
+            }
+            if (fromEmploymentDate is not null && toEmploymentDate is not null)
+            {
+                query = query.Where(x => x.EmploymentDate >= fromEmploymentDate && x.EmploymentDate <= toEmploymentDate);
+            }
+            return [.. JoinPost(query).Select(x => _mapper.Map<WorkerDataModel>(x))];
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public WorkerDataModel? GetElementById(string id)
+    {
+        try
+        {
+            return _mapper.Map<WorkerDataModel>(GetWorkerById(id));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public WorkerDataModel? GetElementByFIO(string fio)
+    {
+        try
+        {
+            return _mapper.Map<WorkerDataModel>(AddPost(_dbContext.Workers.FirstOrDefault(x => x.FIO == fio && !x.IsDeleted)));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public WorkerDataModel? GetElementByPhoneNumber(string phoneNumber)
+    {
+        try
+        {
+            return _mapper.Map<WorkerDataModel>(AddPost(_dbContext.Workers.FirstOrDefault(x => x.PhoneNumber == phoneNumber && !x.IsDeleted)));
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void AddElement(WorkerDataModel workerDataModel)
+    {
+        try
+        {
+            _dbContext.Workers.Add(_mapper.Map<Worker>(workerDataModel));
+            _dbContext.SaveChanges();
+        }
+        catch (InvalidOperationException ex) when (ex.TargetSite?.Name == "ThrowIdentityConflict")
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new ElementExistsException("Id", workerDataModel.Id);
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void UpdElement(WorkerDataModel workerDataModel)
+    {
+        try
+        {
+            var element = GetWorkerById(workerDataModel.Id) ?? throw new ElementNotFoundException(workerDataModel.Id);
+            _dbContext.Workers.Update(_mapper.Map(workerDataModel, element));
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public void DelElement(string id)
+    {
+        try
+        {
+            var element = GetWorkerById(id) ?? throw new ElementNotFoundException(id);
+            element.IsDeleted = true;
+            element.DateOfDelete = DateTime.UtcNow;
+            _dbContext.SaveChanges();
+        }
+        catch (ElementNotFoundException)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    public int GetWorkerTrend(DateTime fromPeriod, DateTime toPeriod)
+    {
+        try
+        {
+            var countWorkersOnBegining = _dbContext.Workers.Count(x => x.EmploymentDate < fromPeriod && (!x.IsDeleted || x.DateOfDelete > fromPeriod));
+            var countWorkersOnEnding = _dbContext.Workers.Count(x => x.EmploymentDate < toPeriod && (!x.IsDeleted || x.DateOfDelete > toPeriod));
+            return countWorkersOnEnding - countWorkersOnBegining;
+        }
+        catch (Exception ex)
+        {
+            _dbContext.ChangeTracker.Clear();
+            throw new StorageException(ex);
+        }
+    }
+
+    private Worker? GetWorkerById(string id) => AddPost(_dbContext.Workers.FirstOrDefault(x => x.Id == id && !x.IsDeleted));
+
+    private IQueryable<Worker> JoinPost(IQueryable<Worker> query)
+        => query.GroupJoin(_dbContext.Posts.Where(x => x.IsActual), x => x.PostId, y => y.PostId, (x, y) => new { Worker = x, Post = y })
+                .SelectMany(xy => xy.Post.DefaultIfEmpty(), (x, y) => x.Worker.AddPost(y));
+
+    private Worker? AddPost(Worker? worker)
+        => worker?.AddPost(_dbContext.Posts.FirstOrDefault(x => x.PostId == worker.PostId && x.IsActual));
+}

SPiluSZharuProject/SPiluSZharuDatabase/Migrations/20250422183326_FirstMigration.Designer.cs

@@ -0,0 +1,324 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using SPiluSZharuDatabase;
+
+#nullable disable
+
+namespace SPiluSZharuDatabase.Migrations
+{
+    [DbContext(typeof(SPiluSZharuDbContext))]
+    [Migration("20250422183326_FirstMigration")]
+    partial class FirstMigration
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Post", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("ChangeDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<bool>("IsActual")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PostId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("PostName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("PostType")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Salary")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PostId", "IsActual")
+                        .IsUnique()
+                        .HasFilter("\"IsActual\" = TRUE");
+
+                    b.HasIndex("PostName", "IsActual")
+                        .IsUnique()
+                        .HasFilter("\"IsActual\" = TRUE");
+
+                    b.ToTable("Posts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Product", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("ProductType")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductName", "IsDeleted")
+                        .IsUnique()
+                        .HasFilter("\"IsDeleted\" = FALSE");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.ProductHistory", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("ChangeDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<double>("OldPrice")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("ProductId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("ProductHistories");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Restaurant", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PrevPrevRestaurantName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PrevRestaurantName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RestaurantName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RestaurantName")
+                        .IsUnique();
+
+                    b.ToTable("Restaurants");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Salary", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("SalaryDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("WorkerId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("WorkerSalary")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorkerId");
+
+                    b.ToTable("Salaries");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Sale", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsCancel")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("RestaurantId")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("SaleDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("WorkerId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RestaurantId");
+
+                    b.HasIndex("WorkerId");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.SaleProduct", b =>
+                {
+                    b.Property<string>("SaleId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProductId")
+                        .HasColumnType("text");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("SaleId", "ProductId");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("SaleProducts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Worker", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("BirthDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime>("EmploymentDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("FIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PhoneNumber")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("PostId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PhoneNumber")
+                        .IsUnique();
+
+                    b.ToTable("Workers");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.ProductHistory", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Product", "Product")
+                        .WithMany("ProductHistories")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Salary", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Worker", "Worker")
+                        .WithMany("Salaries")
+                        .HasForeignKey("WorkerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Worker");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Sale", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Restaurant", "Restaurant")
+                        .WithMany()
+                        .HasForeignKey("RestaurantId");
+
+                    b.HasOne("SPiluSZharuDatabase.Models.Worker", "Worker")
+                        .WithMany("Sales")
+                        .HasForeignKey("WorkerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Restaurant");
+
+                    b.Navigation("Worker");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.SaleProduct", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Product", "Product")
+                        .WithMany("SaleProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SPiluSZharuDatabase.Models.Sale", "Sale")
+                        .WithMany("SaleProducts")
+                        .HasForeignKey("SaleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Product", b =>
+                {
+                    b.Navigation("ProductHistories");
+
+                    b.Navigation("SaleProducts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Sale", b =>
+                {
+                    b.Navigation("SaleProducts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Worker", b =>
+                {
+                    b.Navigation("Salaries");
+
+                    b.Navigation("Sales");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

SPiluSZharuProject/SPiluSZharuDatabase/Migrations/20250422183326_FirstMigration.cs

@@ -0,0 +1,257 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace SPiluSZharuDatabase.Migrations
+{
+    /// <inheritdoc />
+    public partial class FirstMigration : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.CreateTable(
+                name: "Posts",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    PostId = table.Column<string>(type: "text", nullable: false),
+                    PostName = table.Column<string>(type: "text", nullable: false),
+                    PostType = table.Column<int>(type: "integer", nullable: false),
+                    Salary = table.Column<double>(type: "double precision", nullable: false),
+                    IsActual = table.Column<bool>(type: "boolean", nullable: false),
+                    ChangeDate = table.Column<DateTime>(type: "timestamp without time zone", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Posts", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Products",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    ProductName = table.Column<string>(type: "text", nullable: false),
+                    ProductType = table.Column<int>(type: "integer", nullable: false),
+                    Price = table.Column<double>(type: "double precision", nullable: false),
+                    IsDeleted = table.Column<bool>(type: "boolean", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Products", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Restaurants",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    RestaurantName = table.Column<string>(type: "text", nullable: false),
+                    PrevRestaurantName = table.Column<string>(type: "text", nullable: true),
+                    PrevPrevRestaurantName = table.Column<string>(type: "text", nullable: true)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Restaurants", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Workers",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    FIO = table.Column<string>(type: "text", nullable: false),
+                    PostId = table.Column<string>(type: "text", nullable: false),
+                    PhoneNumber = table.Column<string>(type: "text", nullable: false),
+                    BirthDate = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    EmploymentDate = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    IsDeleted = table.Column<bool>(type: "boolean", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Workers", x => x.Id);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "ProductHistories",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    ProductId = table.Column<string>(type: "text", nullable: false),
+                    OldPrice = table.Column<double>(type: "double precision", nullable: false),
+                    ChangeDate = table.Column<DateTime>(type: "timestamp without time zone", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_ProductHistories", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_ProductHistories_Products_ProductId",
+                        column: x => x.ProductId,
+                        principalTable: "Products",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Salaries",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    WorkerId = table.Column<string>(type: "text", nullable: false),
+                    SalaryDate = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    WorkerSalary = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Salaries", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Salaries_Workers_WorkerId",
+                        column: x => x.WorkerId,
+                        principalTable: "Workers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "Sales",
+                columns: table => new
+                {
+                    Id = table.Column<string>(type: "text", nullable: false),
+                    WorkerId = table.Column<string>(type: "text", nullable: false),
+                    RestaurantId = table.Column<string>(type: "text", nullable: true),
+                    SaleDate = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
+                    Sum = table.Column<double>(type: "double precision", nullable: false),
+                    IsCancel = table.Column<bool>(type: "boolean", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_Sales", x => x.Id);
+                    table.ForeignKey(
+                        name: "FK_Sales_Restaurants_RestaurantId",
+                        column: x => x.RestaurantId,
+                        principalTable: "Restaurants",
+                        principalColumn: "Id");
+                    table.ForeignKey(
+                        name: "FK_Sales_Workers_WorkerId",
+                        column: x => x.WorkerId,
+                        principalTable: "Workers",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateTable(
+                name: "SaleProducts",
+                columns: table => new
+                {
+                    SaleId = table.Column<string>(type: "text", nullable: false),
+                    ProductId = table.Column<string>(type: "text", nullable: false),
+                    Count = table.Column<int>(type: "integer", nullable: false),
+                    Price = table.Column<double>(type: "double precision", nullable: false)
+                },
+                constraints: table =>
+                {
+                    table.PrimaryKey("PK_SaleProducts", x => new { x.SaleId, x.ProductId });
+                    table.ForeignKey(
+                        name: "FK_SaleProducts_Products_ProductId",
+                        column: x => x.ProductId,
+                        principalTable: "Products",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                    table.ForeignKey(
+                        name: "FK_SaleProducts_Sales_SaleId",
+                        column: x => x.SaleId,
+                        principalTable: "Sales",
+                        principalColumn: "Id",
+                        onDelete: ReferentialAction.Cascade);
+                });
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Posts_PostId_IsActual",
+                table: "Posts",
+                columns: new[] { "PostId", "IsActual" },
+                unique: true,
+                filter: "\"IsActual\" = TRUE");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Posts_PostName_IsActual",
+                table: "Posts",
+                columns: new[] { "PostName", "IsActual" },
+                unique: true,
+                filter: "\"IsActual\" = TRUE");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_ProductHistories_ProductId",
+                table: "ProductHistories",
+                column: "ProductId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Products_ProductName_IsDeleted",
+                table: "Products",
+                columns: new[] { "ProductName", "IsDeleted" },
+                unique: true,
+                filter: "\"IsDeleted\" = FALSE");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Restaurants_RestaurantName",
+                table: "Restaurants",
+                column: "RestaurantName",
+                unique: true);
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Salaries_WorkerId",
+                table: "Salaries",
+                column: "WorkerId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_SaleProducts_ProductId",
+                table: "SaleProducts",
+                column: "ProductId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Sales_RestaurantId",
+                table: "Sales",
+                column: "RestaurantId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Sales_WorkerId",
+                table: "Sales",
+                column: "WorkerId");
+
+            migrationBuilder.CreateIndex(
+                name: "IX_Workers_PhoneNumber",
+                table: "Workers",
+                column: "PhoneNumber",
+                unique: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropTable(
+                name: "Posts");
+
+            migrationBuilder.DropTable(
+                name: "ProductHistories");
+
+            migrationBuilder.DropTable(
+                name: "Salaries");
+
+            migrationBuilder.DropTable(
+                name: "SaleProducts");
+
+            migrationBuilder.DropTable(
+                name: "Products");
+
+            migrationBuilder.DropTable(
+                name: "Sales");
+
+            migrationBuilder.DropTable(
+                name: "Restaurants");
+
+            migrationBuilder.DropTable(
+                name: "Workers");
+        }
+    }
+}

SPiluSZharuProject/SPiluSZharuDatabase/Migrations/20250423150347_ChangeFieldsInPost.Designer.cs

@@ -0,0 +1,325 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using SPiluSZharuDatabase;
+
+#nullable disable
+
+namespace SPiluSZharuDatabase.Migrations
+{
+    [DbContext(typeof(SPiluSZharuDbContext))]
+    [Migration("20250423150347_ChangeFieldsInPost")]
+    partial class ChangeFieldsInPost
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Post", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("ChangeDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Configuration")
+                        .IsRequired()
+                        .HasColumnType("jsonb");
+
+                    b.Property<bool>("IsActual")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PostId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("PostName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("PostType")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PostId", "IsActual")
+                        .IsUnique()
+                        .HasFilter("\"IsActual\" = TRUE");
+
+                    b.HasIndex("PostName", "IsActual")
+                        .IsUnique()
+                        .HasFilter("\"IsActual\" = TRUE");
+
+                    b.ToTable("Posts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Product", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("ProductType")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductName", "IsDeleted")
+                        .IsUnique()
+                        .HasFilter("\"IsDeleted\" = FALSE");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.ProductHistory", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("ChangeDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<double>("OldPrice")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("ProductId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("ProductHistories");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Restaurant", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PrevPrevRestaurantName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PrevRestaurantName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RestaurantName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RestaurantName")
+                        .IsUnique();
+
+                    b.ToTable("Restaurants");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Salary", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("SalaryDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("WorkerId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("WorkerSalary")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorkerId");
+
+                    b.ToTable("Salaries");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Sale", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsCancel")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("RestaurantId")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("SaleDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("WorkerId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RestaurantId");
+
+                    b.HasIndex("WorkerId");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.SaleProduct", b =>
+                {
+                    b.Property<string>("SaleId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProductId")
+                        .HasColumnType("text");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("SaleId", "ProductId");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("SaleProducts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Worker", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("BirthDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime>("EmploymentDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("FIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PhoneNumber")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("PostId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PhoneNumber")
+                        .IsUnique();
+
+                    b.ToTable("Workers");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.ProductHistory", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Product", "Product")
+                        .WithMany("ProductHistories")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Salary", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Worker", "Worker")
+                        .WithMany("Salaries")
+                        .HasForeignKey("WorkerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Worker");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Sale", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Restaurant", "Restaurant")
+                        .WithMany()
+                        .HasForeignKey("RestaurantId");
+
+                    b.HasOne("SPiluSZharuDatabase.Models.Worker", "Worker")
+                        .WithMany("Sales")
+                        .HasForeignKey("WorkerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Restaurant");
+
+                    b.Navigation("Worker");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.SaleProduct", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Product", "Product")
+                        .WithMany("SaleProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SPiluSZharuDatabase.Models.Sale", "Sale")
+                        .WithMany("SaleProducts")
+                        .HasForeignKey("SaleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Product", b =>
+                {
+                    b.Navigation("ProductHistories");
+
+                    b.Navigation("SaleProducts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Sale", b =>
+                {
+                    b.Navigation("SaleProducts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Worker", b =>
+                {
+                    b.Navigation("Salaries");
+
+                    b.Navigation("Sales");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

SPiluSZharuProject/SPiluSZharuDatabase/Migrations/20250423150347_ChangeFieldsInPost.cs

@@ -0,0 +1,40 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace SPiluSZharuDatabase.Migrations
+{
+    /// <inheritdoc />
+    public partial class ChangeFieldsInPost : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Salary",
+                table: "Posts");
+
+            migrationBuilder.AddColumn<string>(
+                name: "Configuration",
+                table: "Posts",
+                type: "jsonb",
+                nullable: false,
+                defaultValue: "{\"Rate\": 0, \"Type\": \"PostConfiguration\"}");
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "Configuration",
+                table: "Posts");
+
+            migrationBuilder.AddColumn<double>(
+                name: "Salary",
+                table: "Posts",
+                type: "double precision",
+                nullable: false,
+                defaultValue: 0.0);
+        }
+    }
+}

SPiluSZharuProject/SPiluSZharuDatabase/Migrations/20250423193249_AddDateOfDeleteInWorker.Designer.cs

@@ -0,0 +1,328 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using SPiluSZharuDatabase;
+
+#nullable disable
+
+namespace SPiluSZharuDatabase.Migrations
+{
+    [DbContext(typeof(SPiluSZharuDbContext))]
+    [Migration("20250423193249_AddDateOfDeleteInWorker")]
+    partial class AddDateOfDeleteInWorker
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Post", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("ChangeDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Configuration")
+                        .IsRequired()
+                        .HasColumnType("jsonb");
+
+                    b.Property<bool>("IsActual")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PostId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("PostName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("PostType")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PostId", "IsActual")
+                        .IsUnique()
+                        .HasFilter("\"IsActual\" = TRUE");
+
+                    b.HasIndex("PostName", "IsActual")
+                        .IsUnique()
+                        .HasFilter("\"IsActual\" = TRUE");
+
+                    b.ToTable("Posts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Product", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("ProductType")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductName", "IsDeleted")
+                        .IsUnique()
+                        .HasFilter("\"IsDeleted\" = FALSE");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.ProductHistory", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("ChangeDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<double>("OldPrice")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("ProductId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("ProductHistories");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Restaurant", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PrevPrevRestaurantName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PrevRestaurantName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RestaurantName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RestaurantName")
+                        .IsUnique();
+
+                    b.ToTable("Restaurants");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Salary", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("SalaryDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("WorkerId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("WorkerSalary")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorkerId");
+
+                    b.ToTable("Salaries");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Sale", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsCancel")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("RestaurantId")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("SaleDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("WorkerId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RestaurantId");
+
+                    b.HasIndex("WorkerId");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.SaleProduct", b =>
+                {
+                    b.Property<string>("SaleId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProductId")
+                        .HasColumnType("text");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("SaleId", "ProductId");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("SaleProducts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Worker", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("BirthDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateOfDelete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime>("EmploymentDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("FIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PhoneNumber")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("PostId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PhoneNumber")
+                        .IsUnique();
+
+                    b.ToTable("Workers");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.ProductHistory", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Product", "Product")
+                        .WithMany("ProductHistories")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Salary", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Worker", "Worker")
+                        .WithMany("Salaries")
+                        .HasForeignKey("WorkerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Worker");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Sale", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Restaurant", "Restaurant")
+                        .WithMany()
+                        .HasForeignKey("RestaurantId");
+
+                    b.HasOne("SPiluSZharuDatabase.Models.Worker", "Worker")
+                        .WithMany("Sales")
+                        .HasForeignKey("WorkerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Restaurant");
+
+                    b.Navigation("Worker");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.SaleProduct", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Product", "Product")
+                        .WithMany("SaleProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SPiluSZharuDatabase.Models.Sale", "Sale")
+                        .WithMany("SaleProducts")
+                        .HasForeignKey("SaleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Product", b =>
+                {
+                    b.Navigation("ProductHistories");
+
+                    b.Navigation("SaleProducts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Sale", b =>
+                {
+                    b.Navigation("SaleProducts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Worker", b =>
+                {
+                    b.Navigation("Salaries");
+
+                    b.Navigation("Sales");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

SPiluSZharuProject/SPiluSZharuDatabase/Migrations/20250423193249_AddDateOfDeleteInWorker.cs

@@ -0,0 +1,29 @@
+using System;
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace SPiluSZharuDatabase.Migrations
+{
+    /// <inheritdoc />
+    public partial class AddDateOfDeleteInWorker : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.AddColumn<DateTime>(
+                name: "DateOfDelete",
+                table: "Workers",
+                type: "timestamp without time zone",
+                nullable: true);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.DropColumn(
+                name: "DateOfDelete",
+                table: "Workers");
+        }
+    }
+}

SPiluSZharuProject/SPiluSZharuDatabase/Migrations/SPiluSZharuDbContextModelSnapshot.cs

@@ -0,0 +1,325 @@
+// <auto-generated />
+using System;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+using SPiluSZharuDatabase;
+
+#nullable disable
+
+namespace SPiluSZharuDatabase.Migrations
+{
+    [DbContext(typeof(SPiluSZharuDbContext))]
+    partial class SPiluSZharuDbContextModelSnapshot : ModelSnapshot
+    {
+        protected override void BuildModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "9.0.3")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Post", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("ChangeDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("Configuration")
+                        .IsRequired()
+                        .HasColumnType("jsonb");
+
+                    b.Property<bool>("IsActual")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PostId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("PostName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("PostType")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PostId", "IsActual")
+                        .IsUnique()
+                        .HasFilter("\"IsActual\" = TRUE");
+
+                    b.HasIndex("PostName", "IsActual")
+                        .IsUnique()
+                        .HasFilter("\"IsActual\" = TRUE");
+
+                    b.ToTable("Posts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Product", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("ProductName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("ProductType")
+                        .HasColumnType("integer");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductName", "IsDeleted")
+                        .IsUnique()
+                        .HasFilter("\"IsDeleted\" = FALSE");
+
+                    b.ToTable("Products");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.ProductHistory", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("ChangeDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<double>("OldPrice")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("ProductId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("ProductHistories");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Restaurant", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PrevPrevRestaurantName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("PrevRestaurantName")
+                        .HasColumnType("text");
+
+                    b.Property<string>("RestaurantName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RestaurantName")
+                        .IsUnique();
+
+                    b.ToTable("Restaurants");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Salary", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("SalaryDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("WorkerId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<double>("WorkerSalary")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("WorkerId");
+
+                    b.ToTable("Salaries");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Sale", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsCancel")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("RestaurantId")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("SaleDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<double>("Sum")
+                        .HasColumnType("double precision");
+
+                    b.Property<string>("WorkerId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("RestaurantId");
+
+                    b.HasIndex("WorkerId");
+
+                    b.ToTable("Sales");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.SaleProduct", b =>
+                {
+                    b.Property<string>("SaleId")
+                        .HasColumnType("text");
+
+                    b.Property<string>("ProductId")
+                        .HasColumnType("text");
+
+                    b.Property<int>("Count")
+                        .HasColumnType("integer");
+
+                    b.Property<double>("Price")
+                        .HasColumnType("double precision");
+
+                    b.HasKey("SaleId", "ProductId");
+
+                    b.HasIndex("ProductId");
+
+                    b.ToTable("SaleProducts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Worker", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("BirthDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime?>("DateOfDelete")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<DateTime>("EmploymentDate")
+                        .HasColumnType("timestamp without time zone");
+
+                    b.Property<string>("FIO")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<bool>("IsDeleted")
+                        .HasColumnType("boolean");
+
+                    b.Property<string>("PhoneNumber")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("PostId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.HasKey("Id");
+
+                    b.HasIndex("PhoneNumber")
+                        .IsUnique();
+
+                    b.ToTable("Workers");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.ProductHistory", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Product", "Product")
+                        .WithMany("ProductHistories")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Salary", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Worker", "Worker")
+                        .WithMany("Salaries")
+                        .HasForeignKey("WorkerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Worker");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Sale", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Restaurant", "Restaurant")
+                        .WithMany()
+                        .HasForeignKey("RestaurantId");
+
+                    b.HasOne("SPiluSZharuDatabase.Models.Worker", "Worker")
+                        .WithMany("Sales")
+                        .HasForeignKey("WorkerId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Restaurant");
+
+                    b.Navigation("Worker");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.SaleProduct", b =>
+                {
+                    b.HasOne("SPiluSZharuDatabase.Models.Product", "Product")
+                        .WithMany("SaleProducts")
+                        .HasForeignKey("ProductId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.HasOne("SPiluSZharuDatabase.Models.Sale", "Sale")
+                        .WithMany("SaleProducts")
+                        .HasForeignKey("SaleId")
+                        .OnDelete(DeleteBehavior.Cascade)
+                        .IsRequired();
+
+                    b.Navigation("Product");
+
+                    b.Navigation("Sale");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Product", b =>
+                {
+                    b.Navigation("ProductHistories");
+
+                    b.Navigation("SaleProducts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Sale", b =>
+                {
+                    b.Navigation("SaleProducts");
+                });
+
+            modelBuilder.Entity("SPiluSZharuDatabase.Models.Worker", b =>
+                {
+                    b.Navigation("Salaries");
+
+                    b.Navigation("Sales");
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}

SPiluSZharuProject/SPiluSZharuDatabase/Models/Post.cs

@@ -0,0 +1,21 @@
+using SPiluSZharuContracts.Enums;
+using SPiluSZharuContracts.Infrastructure.PostConfiguration;
+
+namespace SPiluSZharuDatabase.Models;
+
+internal class Post
+{
+    public required string Id { get; set; } = Guid.NewGuid().ToString();
+
+    public required string PostId { get; set; }
+
+    public required string PostName { get; set; }
+
+    public PostType PostType { get; set; }
+
+    public required PostConfiguration Configuration { get; set; }
+
+    public bool IsActual { get; set; }
+
+    public DateTime ChangeDate { get; set; }
+}

SPiluSZharuProject/SPiluSZharuDatabase/Models/Product.cs

@@ -0,0 +1,27 @@
+using SPiluSZharuContracts.Enums;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace SPiluSZharuDatabase.Models;
+
+internal class Product
+{
+    public required string Id { get; set; }
+
+    public required string ProductName { get; set; }
+
+    public ProductType ProductType { get; set; }
+
+    public required string RestaurantId { get; set; }
+
+    public double Price { get; set; }
+
+    public bool IsDeleted { get; set; }
+
+    public Restaurant? Restaurant { get; set; }
+
+    [ForeignKey("ProductId")]
+    public List<ProductHistory>? ProductHistories { get; set; }
+
+    [ForeignKey("ProductId")]
+    public List<SaleProduct>? SaleProducts { get; set; }
+}

SPiluSZharuProject/SPiluSZharuDatabase/Models/ProductHistory.cs

@@ -0,0 +1,14 @@
+namespace SPiluSZharuDatabase.Models;
+
+internal class ProductHistory
+{
+    public string Id { get; set; } = Guid.NewGuid().ToString();
+
+    public required string ProductId { get; set; }
+
+    public double OldPrice { get; set; }
+
+    public DateTime ChangeDate { get; set; }
+
+    public Product? Product { get; set; }
+}

SPiluSZharuProject/SPiluSZharuDatabase/Models/Restaurant.cs

@@ -0,0 +1,20 @@
+using AutoMapper;
+using SPiluSZharuContracts.DataModels;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace SPiluSZharuDatabase.Models;
+
+[AutoMap(typeof(RestaurantDataModel), ReverseMap = true)]
+internal class Restaurant
+{
+    public required string Id { get; set; }
+
+    public required string RestaurantName { get; set; }
+
+    public string? PrevRestaurantName { get; set; }
+
+    public string? PrevPrevRestaurantName { get; set; }
+
+    [ForeignKey("ManufacturerId")]
+    public List<Product>? Products { get; set; }
+}

SPiluSZharuProject/SPiluSZharuDatabase/Models/Salary.cs

@@ -0,0 +1,14 @@
+namespace SPiluSZharuDatabase.Models;
+
+internal class Salary
+{
+    public string Id { get; set; } = Guid.NewGuid().ToString();
+
+    public required string WorkerId { get; set; }
+
+    public DateTime SalaryDate { get; set; }
+
+    public double WorkerSalary { get; set; }
+
+    public Worker? Worker { get; set; }
+}