Save files on tests

CreateDocumentSalaryByPeriod
GetDataSalaryByPeriod
2025-04-06 16:46:21 +04:00 · 2025-04-06 16:30:49 +04:00 · 2025-04-06 16:02:57 +04:00 · 2025-04-06 15:32:36 +04:00 · 2025-04-06 15:00:04 +04:00 · 2025-04-06 14:19:33 +04:00
187 changed files with 17669 additions and 1 deletions
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/CatHasPawsBusinessLogic.csproj
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/CatHasPawsBusinessLogic.csproj
@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+	<ItemGroup>
+		<InternalsVisibleTo Include="CatHasPawsTests" />
+		<InternalsVisibleTo Include="CatHasPawsWebApi" />
+		<InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
+	</ItemGroup>
+
+	<ItemGroup>
+	  <PackageReference Include="DocumentFormat.OpenXml" Version="3.3.0" />
+	  <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.1" />
+	  <PackageReference Include="PdfSharp.MigraDoc.Standard" Version="1.51.15" />
+	</ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\CatHasPawsContratcs\CatHasPawsContratcs.csproj" />
+  </ItemGroup>
+
+</Project>
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/BuyerBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/BuyerBusinessLogicContract.cs
@@ -0,0 +1,70 @@
+using CatHasPawsContratcs.BusinessLogicsContracts;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+using System.Text.RegularExpressions;
+
+namespace CatHasPawsBusinessLogic.Implementations;
+
+internal class BuyerBusinessLogicContract(IBuyerStorageContract buyerStorageContract, ILogger logger) : IBuyerBusinessLogicContract
+{
+	private readonly ILogger _logger = logger;
+	private readonly IBuyerStorageContract _buyerStorageContract = buyerStorageContract;
+
+	public List<BuyerDataModel> GetAllBuyers()
+	{
+		_logger.LogInformation("GetAllBuyers");
+		return _buyerStorageContract.GetList() ?? throw new NullListException();
+	}
+
+	public BuyerDataModel GetBuyerByData(string data)
+	{
+		_logger.LogInformation("Get element by data: {data}", data);
+		if (data.IsEmpty())
+		{
+			throw new ArgumentNullException(nameof(data));
+		}
+		if (data.IsGuid())
+		{
+			return _buyerStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
+		}
+		if (Regex.IsMatch(data, @"^((8|\+7)[\- ]?)?(\(?\d{3}\)?[\- ]?)?[\d\- ]{7,10}$"))
+		{
+			return _buyerStorageContract.GetElementByPhoneNumber(data) ?? throw new ElementNotFoundException(data);
+		}
+		return _buyerStorageContract.GetElementByFIO(data) ?? throw new ElementNotFoundException(data);
+	}
+
+	public void InsertBuyer(BuyerDataModel buyerDataModel)
+	{
+		_logger.LogInformation("New data: {json}", JsonSerializer.Serialize(buyerDataModel));
+		ArgumentNullException.ThrowIfNull(buyerDataModel);
+		buyerDataModel.Validate();
+		_buyerStorageContract.AddElement(buyerDataModel);
+	}
+
+	public void UpdateBuyer(BuyerDataModel buyerDataModel)
+	{
+		_logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(buyerDataModel));
+		ArgumentNullException.ThrowIfNull(buyerDataModel);
+		buyerDataModel.Validate();
+		_buyerStorageContract.UpdElement(buyerDataModel);
+	}
+
+	public void DeleteBuyer(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");
+		}
+		_buyerStorageContract.DelElement(id);
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/ManufacturerBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/ManufacturerBusinessLogicContract.cs
@@ -0,0 +1,66 @@
+using CatHasPawsContratcs.BusinessLogicsContracts;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+
+namespace CatHasPawsBusinessLogic.Implementations;
+
+internal class ManufacturerBusinessLogicContract(IManufacturerStorageContract manufacturerStorageContract, ILogger logger) : IManufacturerBusinessLogicContract
+{
+	private readonly ILogger _logger = logger;
+	private readonly IManufacturerStorageContract _manufacturerStorageContract = manufacturerStorageContract;
+
+	public List<ManufacturerDataModel> GetAllManufacturers()
+	{
+		_logger.LogInformation("GetAllManufacturers");
+		return _manufacturerStorageContract.GetList() ?? throw new NullListException();
+	}
+
+	public ManufacturerDataModel GetManufacturerByData(string data)
+	{
+		_logger.LogInformation("Get element by data: {data}", data);
+		if (data.IsEmpty())
+		{
+			throw new ArgumentNullException(nameof(data));
+		}
+		if (data.IsGuid())
+		{
+			return _manufacturerStorageContract.GetElementById(data) ?? throw new ElementNotFoundException(data);
+		}
+		return _manufacturerStorageContract.GetElementByName(data) ?? _manufacturerStorageContract.GetElementByOldName(data) ??
+			throw new ElementNotFoundException(data);
+	}
+
+	public void InsertManufacturer(ManufacturerDataModel manufacturerDataModel)
+	{
+		_logger.LogInformation("New data: {json}", JsonSerializer.Serialize(manufacturerDataModel));
+		ArgumentNullException.ThrowIfNull(manufacturerDataModel);
+		manufacturerDataModel.Validate();
+		_manufacturerStorageContract.AddElement(manufacturerDataModel);
+	}
+
+	public void UpdateManufacturer(ManufacturerDataModel manufacturerDataModel)
+	{
+		_logger.LogInformation("Update data: {json}", JsonSerializer.Serialize(manufacturerDataModel));
+		ArgumentNullException.ThrowIfNull(manufacturerDataModel);
+		manufacturerDataModel.Validate();
+		_manufacturerStorageContract.UpdElement(manufacturerDataModel);
+	}
+
+	public void DeleteManufacturer(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");
+		}
+		_manufacturerStorageContract.DelElement(id);
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/PostBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/PostBusinessLogicContract.cs
@@ -0,0 +1,93 @@
+using CatHasPawsContratcs.BusinessLogicsContracts;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+
+namespace CatHasPawsBusinessLogic.Implementations;
+
+internal class PostBusinessLogicContract(IPostStorageContract postStorageContract, ILogger logger) : IPostBusinessLogicContract
+{
+	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);
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/ProductBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/ProductBusinessLogicContract.cs
@@ -0,0 +1,93 @@
+using CatHasPawsContratcs.BusinessLogicsContracts;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+
+namespace CatHasPawsBusinessLogic.Implementations;
+
+internal class ProductBusinessLogicContract(IProductStorageContract productStorageContract, ILogger logger) : IProductBusinessLogicContract
+{
+	private readonly ILogger _logger = logger;
+	private readonly IProductStorageContract _productStorageContract = productStorageContract;
+
+	public List<ProductDataModel> GetAllProducts(bool onlyActive)
+	{
+		_logger.LogInformation("GetAllProducts params: {onlyActive}", onlyActive);
+		return _productStorageContract.GetList(onlyActive) ?? throw new NullListException();
+	}
+
+	public List<ProductDataModel> GetAllProductsByManufacturer(string manufacturerId, bool onlyActive = true)
+	{
+		if (manufacturerId.IsEmpty())
+		{
+			throw new ArgumentNullException(nameof(manufacturerId));
+		}
+		if (!manufacturerId.IsGuid())
+		{
+			throw new ValidationException("The value in the field manufacturerId is not a unique identifier.");
+		}
+		_logger.LogInformation("GetAllProducts params: {manufacturerId}, {onlyActive}", manufacturerId, onlyActive);
+		return _productStorageContract.GetList(onlyActive, manufacturerId) ?? 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);
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/ReportContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/ReportContract.cs
@@ -0,0 +1,100 @@
+using CatHasPawsBusinessLogic.OfficePackage;
+using CatHasPawsContratcs.BusinessLogicsContracts;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.StoragesContracts;
+using Microsoft.Extensions.Logging;
+
+namespace CatHasPawsBusinessLogic.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 = ["Производитель", "Товар"];
+
+	internal static readonly string[] tableHeader = ["Дата", "Сумма", "Скидка", "Товар", "Кол-во"];
+
+	public async Task<Stream> CreateDocumentProductsByManufacturerAsync(CancellationToken ct)
+	{
+		_logger.LogInformation("Create report ProductsByManufacturer");
+		var data = await GetDataByProductsAsync(ct);
+		return _baseWordBuilder
+			.AddHeader("Продукты по производителям")
+			.AddParagraph($"Сформировано на дату {DateTime.Now}")
+			.AddTable([3000, 5000], [.. new List<string[]>() { documentHeader }.Union([.. data.SelectMany(x => (new List<string[]>() { new string[] { x.ManufacturerName, "" } }).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, 5)
+			.AddParagraph($"c {dateStart.ToShortDateString()} по {dateFinish.ToShortDateString()}", 2)
+			.AddTable([10, 10, 10, 10, 10], [.. new List<string[]>() { tableHeader }.Union(data.SelectMany(x => (new List<string[]>() { new string[] { x.SaleDate.ToShortDateString(), x.Sum.ToString("N2"), x.Discount.ToString("N2"), "", "" } }).Union(x.Products!.Select(y => new string[] { "", "", "", y.ProductName, y.Count.ToString("N2") })).ToArray())).Union([["Всего", data.Sum(x => x.Sum).ToString("N2"), data.Sum(x => x.Discount).ToString("N2"), "", ""]])])
+			.Build();
+
+	}
+
+	public async Task<Stream> CreateDocumentSalaryByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct)
+	{
+		_logger.LogInformation("Create report SalaryByPeriod from {dateStart} to {dateFinish}", dateStart, dateFinish);
+		var data = await GetDataBySalaryAsync(dateStart, dateFinish, ct) ?? throw new InvalidOperationException("No found data");
+		return _basePdfBuilder
+			.AddHeader("Зарплатная ведомость")
+			.AddParagraph($"за период с {dateStart.ToShortDateString()} по {dateFinish.ToShortDateString()}")
+			.AddPieChart("Начисления", [.. data.Select(x => (x.WorkerFIO, x.TotalSalary))])
+			.Build();
+	}
+
+	public Task<List<ManufacturerProductDataModel>> GetDataProductsByManufacturerAsync(CancellationToken ct)
+	{
+		_logger.LogInformation("Get data ProductsByManufacturer");
+		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<ManufacturerProductDataModel>> GetDataByProductsAsync(CancellationToken ct) => [.. (await _productStorageContract.GetListAsync(ct)).GroupBy(x => x.ManufacturerName).Select(x => new ManufacturerProductDataModel { ManufacturerName = 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.Key, TotalSalary = x.Sum(y => y.Salary), FromPeriod = x.Min(y => y.SalaryDate), ToPeriod = x.Max(y => y.SalaryDate) }).OrderBy(x => x.WorkerFIO)];
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/SalaryBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/SalaryBusinessLogicContract.cs
@@ -0,0 +1,121 @@
+using CatHasPawsContratcs.BusinessLogicsContracts;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.Infrastructure;
+using CatHasPawsContratcs.Infrastructure.PostConfigurations;
+using CatHasPawsContratcs.StoragesContracts;
+using Microsoft.Extensions.Logging;
+
+namespace CatHasPawsBusinessLogic.Implementations;
+
+internal class SalaryBusinessLogicContract(ISalaryStorageContract salaryStorageContract, ISaleStorageContract saleStorageContract, IPostStorageContract postStorageContract, IWorkerStorageContract workerStorageContract, ILogger logger, IConfigurationSalary сonfiguration) : ISalaryBusinessLogicContract
+{
+	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,
+				CashierPostConfiguration cpc => CalculateSalaryForCashier(sales, startDate, finishDate, cpc),
+				SupervisorPostConfiguration spc => CalculateSalaryForSupervisor(startDate, finishDate, spc),
+				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 CalculateSalaryForCashier(List<SaleDataModel> sales, DateTime startDate, DateTime finishDate, CashierPostConfiguration config)
+	{
+		var tasks = new List<Task>();
+		var calcPercent = 0.0;
+		for (var date = startDate; date < finishDate; date = date.AddDays(1))
+		{
+			tasks.Add(Task.Factory.StartNew((object? obj) =>
+			{
+				var dateInTask = (DateTime)obj!;
+				var salesInDay = sales.Where(x => x.SaleDate >= dateInTask && x.SaleDate <= dateInTask.AddDays(1)).ToArray();
+				if (salesInDay.Length > 0)
+				{
+					lock (_lockObject)
+					{
+						calcPercent += (salesInDay.Sum(x => x.Sum) / salesInDay.Length) * config.SalePercent;
+					}
+				}
+			}, date));
+		}
+		var calcBonusTask = Task.Run(() =>
+		{
+			return sales.Where(x => x.Sum > _salaryConfiguration.ExtraSaleSum).Sum(x => x.Sum) * config.BonusForExtraSales;
+		});
+		try
+		{
+			Task.WaitAll([Task.WhenAll(tasks), calcBonusTask]);
+		}
+		catch (AggregateException agEx)
+		{
+			foreach (var ex in agEx.InnerExceptions)
+			{
+				_logger.LogError(ex, "Error in the cashier payroll process");
+			}
+			return 0;
+		}
+		return config.Rate + calcPercent + calcBonusTask.Result;
+	}
+	private double CalculateSalaryForSupervisor(DateTime startDate, DateTime finishDate, SupervisorPostConfiguration config)
+	{
+		try
+		{
+			return config.Rate + config.PersonalCountTrendPremium * _workerStorageContract.GetWorkerTrend(startDate, finishDate);
+		}
+		catch (Exception ex)
+		{
+			_logger.LogError(ex, "Error in the supervisor payroll process");
+			return 0;
+		}
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/SaleBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/SaleBusinessLogicContract.cs
@@ -0,0 +1,115 @@
+using CatHasPawsContratcs.BusinessLogicsContracts;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+
+namespace CatHasPawsBusinessLogic.Implementations;
+
+internal class SaleBusinessLogicContract(ISaleStorageContract saleStorageContract, ILogger logger) : ISaleBusinessLogicContract
+{
+	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> GetAllSalesByBuyerByPeriod(string buyerId, DateTime fromDate, DateTime toDate)
+	{
+		_logger.LogInformation("GetAllSales params: {buyerId}, {fromDate}, {toDate}", buyerId, fromDate, toDate);
+		if (fromDate.IsDateNotOlder(toDate))
+		{
+			throw new IncorrectDatesException(fromDate, toDate);
+		}
+		if (buyerId.IsEmpty())
+		{
+			throw new ArgumentNullException(nameof(buyerId));
+		}
+		if (!buyerId.IsGuid())
+		{
+			throw new ValidationException("The value in the field buyerId is not a unique identifier.");
+		}
+		return _saleStorageContract.GetList(fromDate, toDate, buyerId: buyerId) ?? 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);
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/WorkerBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/Implementations/WorkerBusinessLogicContract.cs
@@ -0,0 +1,99 @@
+using CatHasPawsContratcs.BusinessLogicsContracts;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.StoragesContracts;
+using Microsoft.Extensions.Logging;
+using System.Text.Json;
+
+namespace CatHasPawsBusinessLogic.Implementations;
+
+internal class WorkerBusinessLogicContract(IWorkerStorageContract workerStorageContract, ILogger logger) : IWorkerBusinessLogicContract
+{
+	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);
+		}
+		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);
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/OfficePackage/BaseExcelBuilder.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/OfficePackage/BaseExcelBuilder.cs
@@ -0,0 +1,12 @@
+namespace CatHasPawsBusinessLogic.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();
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/OfficePackage/BasePdfBuilder.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/OfficePackage/BasePdfBuilder.cs
@@ -0,0 +1,12 @@
+namespace CatHasPawsBusinessLogic.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();
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/OfficePackage/BaseWordBuilder.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/OfficePackage/BaseWordBuilder.cs
@@ -0,0 +1,12 @@
+namespace CatHasPawsBusinessLogic.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();
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/OfficePackage/MigraDocPdfBuilder.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/OfficePackage/MigraDocPdfBuilder.cs
@@ -0,0 +1,85 @@
+using MigraDoc.DocumentObjectModel;
+using MigraDoc.DocumentObjectModel.Shapes.Charts;
+using MigraDoc.Rendering;
+using System.Text;
+
+namespace CatHasPawsBusinessLogic.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;
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/OfficePackage/OpenXmlExcelBuilder.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/OfficePackage/OpenXmlExcelBuilder.cs
@@ -0,0 +1,303 @@
+using DocumentFormat.OpenXml;
+using DocumentFormat.OpenXml.Packaging;
+using DocumentFormat.OpenXml.Spreadsheet;
+
+namespace CatHasPawsBusinessLogic.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;
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsBusinessLogic/OfficePackage/OpenXmlWordBuilder.cs
+++ b/TheCatHasPawsProject/CatHasPawsBusinessLogic/OfficePackage/OpenXmlWordBuilder.cs
@@ -0,0 +1,94 @@
+using DocumentFormat.OpenXml;
+using DocumentFormat.OpenXml.Packaging;
+using DocumentFormat.OpenXml.Wordprocessing;
+
+namespace CatHasPawsBusinessLogic.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;
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/IBuyerAdapter.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/IBuyerAdapter.cs
@@ -0,0 +1,17 @@
+using CatHasPawsContratcs.AdapterContracts.OperationResponses;
+using CatHasPawsContratcs.BindingModels;
+
+namespace CatHasPawsContratcs.AdapterContracts;
+
+public interface IBuyerAdapter
+{
+	BuyerOperationResponse GetList();
+
+	BuyerOperationResponse GetElement(string data);
+
+	BuyerOperationResponse RegisterBuyer(BuyerBindingModel buyerModel);
+
+	BuyerOperationResponse ChangeBuyerInfo(BuyerBindingModel buyerModel);
+
+	BuyerOperationResponse RemoveBuyer(string id);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/IManufacturerAdapter.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/IManufacturerAdapter.cs
@@ -0,0 +1,17 @@
+using CatHasPawsContratcs.AdapterContracts.OperationResponses;
+using CatHasPawsContratcs.BindingModels;
+
+namespace CatHasPawsContratcs.AdapterContracts;
+
+public interface IManufacturerAdapter
+{
+	ManufacturerOperationResponse GetList();
+
+	ManufacturerOperationResponse GetElement(string data);
+
+	ManufacturerOperationResponse RegisterManufacturer(ManufacturerBindingModel manufacturerModel);
+
+	ManufacturerOperationResponse ChangeManufacturerInfo(ManufacturerBindingModel manufacturerModel);
+
+	ManufacturerOperationResponse RemoveManufacturer(string id);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/IPostAdapter.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/IPostAdapter.cs
@@ -0,0 +1,21 @@
+using CatHasPawsContratcs.AdapterContracts.OperationResponses;
+using CatHasPawsContratcs.BindingModels;
+
+namespace CatHasPawsContratcs.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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/IProductAdapter.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/IProductAdapter.cs
@@ -0,0 +1,21 @@
+using CatHasPawsContratcs.AdapterContracts.OperationResponses;
+using CatHasPawsContratcs.BindingModels;
+
+namespace CatHasPawsContratcs.AdapterContracts;
+
+public interface IProductAdapter
+{
+	ProductOperationResponse GetList(bool includeDeleted);
+
+	ProductOperationResponse GetManufacturerList(string id, bool includeDeleted);
+
+	ProductOperationResponse GetHistory(string id);
+
+	ProductOperationResponse GetElement(string data);
+
+	ProductOperationResponse RegisterProduct(ProductBindingModel productModel);
+
+	ProductOperationResponse ChangeProductInfo(ProductBindingModel productModel);
+
+	ProductOperationResponse RemoveProduct(string id);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/IReportAdapter.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/IReportAdapter.cs
@@ -0,0 +1,18 @@
+using CatHasPawsContratcs.AdapterContracts.OperationResponses;
+
+namespace CatHasPawsContratcs.AdapterContracts;
+
+public interface IReportAdapter
+{
+	Task<ReportOperationResponse> GetDataProductsByManufacturerAsync(CancellationToken ct);
+
+	Task<ReportOperationResponse> GetDataSaleByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+
+	Task<ReportOperationResponse> GetDataSalaryByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+
+	Task<ReportOperationResponse> CreateDocumentProductsByManufacturerAsync(CancellationToken ct);
+
+	Task<ReportOperationResponse> CreateDocumentSalesByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+
+	Task<ReportOperationResponse> CreateDocumentSalaryByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/ISaleAdapter.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/ISaleAdapter.cs
@@ -0,0 +1,21 @@
+using CatHasPawsContratcs.AdapterContracts.OperationResponses;
+using CatHasPawsContratcs.BindingModels;
+
+namespace CatHasPawsContratcs.AdapterContracts;
+
+public interface ISaleAdapter
+{
+	SaleOperationResponse GetList(DateTime fromDate, DateTime toDate);
+
+	SaleOperationResponse GetWorkerList(string id, DateTime fromDate, DateTime toDate);
+
+	SaleOperationResponse GetBuyerList(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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/IWorkerAdapter.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/IWorkerAdapter.cs
@@ -0,0 +1,23 @@
+using CatHasPawsContratcs.AdapterContracts.OperationResponses;
+using CatHasPawsContratcs.BindingModels;
+
+namespace CatHasPawsContratcs.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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/BuyerOperationResponse.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/BuyerOperationResponse.cs
@@ -0,0 +1,19 @@
+using CatHasPawsContratcs.Infrastructure;
+using CatHasPawsContratcs.ViewModels;
+
+namespace CatHasPawsContratcs.AdapterContracts.OperationResponses;
+
+public class BuyerOperationResponse : OperationResponse
+{
+	public static BuyerOperationResponse OK(List<BuyerViewModel> data) => OK<BuyerOperationResponse, List<BuyerViewModel>>(data);
+
+	public static BuyerOperationResponse OK(BuyerViewModel data) => OK<BuyerOperationResponse, BuyerViewModel>(data);
+
+	public static BuyerOperationResponse NoContent() => NoContent<BuyerOperationResponse>();
+
+	public static BuyerOperationResponse BadRequest(string message) => BadRequest<BuyerOperationResponse>(message);
+
+	public static BuyerOperationResponse NotFound(string message) => NotFound<BuyerOperationResponse>(message);
+
+	public static BuyerOperationResponse InternalServerError(string message) => InternalServerError<BuyerOperationResponse>(message);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/ManufacturerOperationResponse.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/ManufacturerOperationResponse.cs
@@ -0,0 +1,19 @@
+using CatHasPawsContratcs.Infrastructure;
+using CatHasPawsContratcs.ViewModels;
+
+namespace CatHasPawsContratcs.AdapterContracts.OperationResponses;
+
+public class ManufacturerOperationResponse : OperationResponse
+{
+	public static ManufacturerOperationResponse OK(List<ManufacturerViewModel> data) => OK<ManufacturerOperationResponse, List<ManufacturerViewModel>>(data);
+
+	public static ManufacturerOperationResponse OK(ManufacturerViewModel data) => OK<ManufacturerOperationResponse, ManufacturerViewModel>(data);
+
+	public static ManufacturerOperationResponse NoContent() => NoContent<ManufacturerOperationResponse>();
+
+	public static ManufacturerOperationResponse NotFound(string message) => NotFound<ManufacturerOperationResponse>(message);
+
+	public static ManufacturerOperationResponse BadRequest(string message) => BadRequest<ManufacturerOperationResponse>(message);
+
+	public static ManufacturerOperationResponse InternalServerError(string message) => InternalServerError<ManufacturerOperationResponse>(message);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/PostOperationResponse.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/PostOperationResponse.cs
@@ -0,0 +1,19 @@
+using CatHasPawsContratcs.Infrastructure;
+using CatHasPawsContratcs.ViewModels;
+
+namespace CatHasPawsContratcs.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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/ProductOperationResponse.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/ProductOperationResponse.cs
@@ -0,0 +1,21 @@
+using CatHasPawsContratcs.Infrastructure;
+using CatHasPawsContratcs.ViewModels;
+
+namespace CatHasPawsContratcs.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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/ReportOperationResponse.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/ReportOperationResponse.cs
@@ -0,0 +1,19 @@
+using CatHasPawsContratcs.Infrastructure;
+using CatHasPawsContratcs.ViewModels;
+
+namespace CatHasPawsContratcs.AdapterContracts.OperationResponses;
+
+public class ReportOperationResponse : OperationResponse
+{
+	public static ReportOperationResponse OK(List<ManufacturerProductViewModel> data) => OK<ReportOperationResponse, List<ManufacturerProductViewModel>>(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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/SaleOperationResponse.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/SaleOperationResponse.cs
@@ -0,0 +1,19 @@
+using CatHasPawsContratcs.Infrastructure;
+using CatHasPawsContratcs.ViewModels;
+
+namespace CatHasPawsContratcs.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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/WorkerOperationResponse.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/AdapterContracts/OperationResponses/WorkerOperationResponse.cs
@@ -0,0 +1,19 @@
+using CatHasPawsContratcs.Infrastructure;
+using CatHasPawsContratcs.ViewModels;
+
+namespace CatHasPawsContratcs.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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/BuyerBindingModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/BuyerBindingModel.cs
@@ -0,0 +1,12 @@
+namespace CatHasPawsContratcs.BindingModels;
+
+public class BuyerBindingModel
+{
+	public string? Id { get; set; }
+
+	public string? FIO { get; set; }
+
+	public string? PhoneNumber { get; set; }
+
+	public double DiscountSize { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/ManufacturerBindingModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/ManufacturerBindingModel.cs
@@ -0,0 +1,8 @@
+namespace CatHasPawsContratcs.BindingModels;
+
+public class ManufacturerBindingModel
+{
+	public string? Id { get; set; }
+
+	public string? ManufacturerName { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/PostBindingModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/PostBindingModel.cs
@@ -0,0 +1,14 @@
+namespace CatHasPawsContratcs.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; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/ProductBindingModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/ProductBindingModel.cs
@@ -0,0 +1,14 @@
+namespace CatHasPawsContratcs.BindingModels;
+
+public class ProductBindingModel
+{
+	public string? Id { get; set; }
+
+	public string? ProductName { get; set; }
+
+	public string? ProductType { get; set; }
+
+	public string? ManufacturerId { get; set; }
+
+	public double Price { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/SaleBindingModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/SaleBindingModel.cs
@@ -0,0 +1,14 @@
+namespace CatHasPawsContratcs.BindingModels;
+
+public class SaleBindingModel
+{
+	public string? Id { get; set; }
+
+	public string? WorkerId { get; set; }
+
+	public string? BuyerId { get; set; }
+
+	public int DiscountType { get; set; }
+
+	public List<SaleProductBindingModel>? Products { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/SaleProductBindingModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/SaleProductBindingModel.cs
@@ -0,0 +1,12 @@
+namespace CatHasPawsContratcs.BindingModels;
+
+public class SaleProductBindingModel
+{
+	public string? SaleId { get; set; }
+
+	public string? ProductId { get; set; }
+
+	public int Count { get; set; }
+
+	public double Price { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/WorkerBindingModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BindingModels/WorkerBindingModel.cs
@@ -0,0 +1,14 @@
+namespace CatHasPawsContratcs.BindingModels;
+
+public class WorkerBindingModel
+{
+	public string? Id { get; set; }
+
+	public string? FIO { get; set; }
+
+	public string? PostId { get; set; }
+
+	public DateTime BirthDate { get; set; }
+
+	public DateTime EmploymentDate { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/IBuyerBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/IBuyerBusinessLogicContract.cs
@@ -0,0 +1,16 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.BusinessLogicsContracts;
+
+public interface IBuyerBusinessLogicContract
+{
+	List<BuyerDataModel> GetAllBuyers();
+
+	BuyerDataModel GetBuyerByData(string data);
+
+	void InsertBuyer(BuyerDataModel buyerDataModel);
+
+	void UpdateBuyer(BuyerDataModel buyerDataModel);
+
+	void DeleteBuyer(string id);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/IManufacturerBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/IManufacturerBusinessLogicContract.cs
@@ -0,0 +1,16 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.BusinessLogicsContracts;
+
+public interface IManufacturerBusinessLogicContract
+{
+	List<ManufacturerDataModel> GetAllManufacturers();
+
+	ManufacturerDataModel GetManufacturerByData(string data);
+
+	void InsertManufacturer(ManufacturerDataModel manufacturerDataModel);
+
+	void UpdateManufacturer(ManufacturerDataModel manufacturerDataModel);
+
+	void DeleteManufacturer(string id);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/IPostBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/IPostBusinessLogicContract.cs
@@ -0,0 +1,20 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.BusinessLogicsContracts;
+
+public interface IPostBusinessLogicContract
+{
+	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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/IProductBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/IProductBusinessLogicContract.cs
@@ -0,0 +1,20 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.BusinessLogicsContracts;
+
+public interface IProductBusinessLogicContract
+{
+	List<ProductDataModel> GetAllProducts(bool onlyActive = true);
+
+	List<ProductDataModel> GetAllProductsByManufacturer(string manufacturerId, bool onlyActive = true);
+
+	List<ProductHistoryDataModel> GetProductHistoryByProduct(string productId);
+
+	ProductDataModel GetProductByData(string data);
+
+	void InsertProduct(ProductDataModel productDataModel);
+
+	void UpdateProduct(ProductDataModel productDataModel);
+
+	void DeleteProduct(string id);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/IReportContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/IReportContract.cs
@@ -0,0 +1,18 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.BusinessLogicsContracts;
+
+public interface IReportContract
+{
+	Task<List<ManufacturerProductDataModel>> GetDataProductsByManufacturerAsync(CancellationToken ct);
+
+	Task<List<SaleDataModel>> GetDataSaleByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+
+	Task<List<WorkerSalaryByPeriodDataModel>> GetDataSalaryByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+
+	Task<Stream> CreateDocumentProductsByManufacturerAsync(CancellationToken ct);
+
+	Task<Stream> CreateDocumentSalesByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+
+	Task<Stream> CreateDocumentSalaryByPeriodAsync(DateTime dateStart, DateTime dateFinish, CancellationToken ct);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/ISalaryBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/ISalaryBusinessLogicContract.cs
@@ -0,0 +1,12 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.BusinessLogicsContracts;
+
+public interface ISalaryBusinessLogicContract
+{
+	List<SalaryDataModel> GetAllSalariesByPeriod(DateTime fromDate, DateTime toDate);
+
+	List<SalaryDataModel> GetAllSalariesByPeriodByWorker(DateTime fromDate, DateTime toDate, string workerId);
+
+	void CalculateSalaryByMounth(DateTime date);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/ISaleBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/ISaleBusinessLogicContract.cs
@@ -0,0 +1,20 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.BusinessLogicsContracts;
+
+public interface ISaleBusinessLogicContract
+{
+	List<SaleDataModel> GetAllSalesByPeriod(DateTime fromDate, DateTime toDate);
+
+	List<SaleDataModel> GetAllSalesByWorkerByPeriod(string workerId, DateTime fromDate, DateTime toDate);
+
+	List<SaleDataModel> GetAllSalesByBuyerByPeriod(string buyerId, 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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/IWorkerBusinessLogicContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/BusinessLogicsContracts/IWorkerBusinessLogicContract.cs
@@ -0,0 +1,22 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.BusinessLogicsContracts;
+
+public interface IWorkerBusinessLogicContract
+{
+	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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/CatHasPawsContratcs.csproj
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/CatHasPawsContratcs.csproj
@@ -6,4 +6,9 @@
    <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" />
+  </ItemGroup>
+
 </Project>
--- a/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/BuyerDataModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/BuyerDataModel.cs
@@ -0,0 +1,35 @@
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.Infrastructure;
+using System.Text.RegularExpressions;
+
+namespace CatHasPawsContratcs.DataModels;
+
+public class BuyerDataModel(string id, string fio, string phoneNumber, double discountSize) : IValidation
+{
+	public string Id { get; private set; } = id;
+
+	public string FIO { get; private set; } = fio;
+
+	public string PhoneNumber { get; private set; } = phoneNumber;
+
+	public double DiscountSize { get; private set; } = discountSize;
+
+	public void Validate()
+	{
+		if (Id.IsEmpty())
+			throw new ValidationException("Field Id is empty");
+
+		if (!Id.IsGuid())
+			throw new ValidationException("The value in the field Id is not a unique identifier");
+
+		if (FIO.IsEmpty())
+			throw new ValidationException("Field FIO is empty");
+
+		if (PhoneNumber.IsEmpty())
+			throw new ValidationException("Field PhoneNumber is empty");
+
+		if (!Regex.IsMatch(PhoneNumber, @"^((8|\+7)[\- ]?)?(\(?\d{3}\)?[\- ]?)?[\d\- ]{7,10}$"))
+			throw new ValidationException("Field PhoneNumber is not a phone number");
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/ManufacturerDataModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/ManufacturerDataModel.cs
@@ -0,0 +1,30 @@
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.Infrastructure;
+
+namespace CatHasPawsContratcs.DataModels;
+
+public class ManufacturerDataModel(string id, string manufacturerName, string? prevManufacturerName, string? prevPrevManufacturerName) : IValidation
+{
+	public string Id { get; private set; } = id;
+
+	public string ManufacturerName { get; private set; } = manufacturerName;
+
+	public string? PrevManufacturerName { get; private set; } = prevManufacturerName;
+
+	public string? PrevPrevManufacturerName { get; private set; } = prevPrevManufacturerName;
+
+	public ManufacturerDataModel(string id, string manufacturerName) : this(id, manufacturerName, null, null) { }
+
+	public void Validate()
+	{
+		if (Id.IsEmpty())
+			throw new ValidationException("Field Id is empty");
+
+		if (!Id.IsGuid())
+			throw new ValidationException("The value in the field Id is not a unique identifier");
+
+		if (ManufacturerName.IsEmpty())
+			throw new ValidationException("Field ManufacturerName is empty");
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/ManufacturerProductDataModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/ManufacturerProductDataModel.cs
@@ -0,0 +1,8 @@
+namespace CatHasPawsContratcs.DataModels;
+
+public class ManufacturerProductDataModel
+{
+	public required string ManufacturerName { get; set; }
+
+	public required List<string> Products { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/PostDataModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/PostDataModel.cs
@@ -0,0 +1,55 @@
+using CatHasPawsContratcs.Enums;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.Infrastructure;
+using CatHasPawsContratcs.Infrastructure.PostConfigurations;
+using Newtonsoft.Json.Linq;
+using Newtonsoft.Json;
+
+namespace CatHasPawsContratcs.DataModels;
+
+public class PostDataModel(string postId, string postName, PostType postType, PostConfiguration configuration) : IValidation
+{
+	public string Id { get; private set; } = postId;
+
+	public string PostName { get; private set; } = postName;
+
+	public PostType PostType { get; private set; } = postType;
+
+	public PostConfiguration ConfigurationModel { get; private set; } = configuration;
+
+	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(CashierPostConfiguration) => JsonConvert.DeserializeObject<CashierPostConfiguration>(configurationJson)!,
+				nameof(SupervisorPostConfiguration) => JsonConvert.DeserializeObject<SupervisorPostConfiguration>(configurationJson)!,
+				_ => JsonConvert.DeserializeObject<PostConfiguration>(configurationJson)!,
+			};
+		}
+	}
+
+	public void Validate()
+	{
+		if (Id.IsEmpty())
+			throw new ValidationException("Field Id is empty");
+
+		if (!Id.IsGuid())
+			throw new ValidationException("The value in the field Id 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 (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");
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/ProductDataModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/ProductDataModel.cs
@@ -0,0 +1,56 @@
+using CatHasPawsContratcs.Enums;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.Infrastructure;
+
+namespace CatHasPawsContratcs.DataModels;
+
+public class ProductDataModel(string id, string productName, ProductType productType, string manufacturerId, double price, bool isDeleted) : IValidation
+{
+	private readonly ManufacturerDataModel? _manufacturer;
+
+	public string Id { get; private set; } = id;
+
+	public string ProductName { get; private set; } = productName;
+
+	public ProductType ProductType { get; private set; } = productType;
+
+	public string ManufacturerId { get; private set; } = manufacturerId;
+
+	public double Price { get; private set; } = price;
+
+	public bool IsDeleted { get; private set; } = isDeleted;
+
+	public string ManufacturerName => _manufacturer?.ManufacturerName ?? string.Empty;
+
+	public ProductDataModel(string id, string productName, ProductType productType, string manufacturerId, double price, bool isDeleted, ManufacturerDataModel manufacturer) : this(id, productName, productType, manufacturerId, price, isDeleted)
+	{
+		_manufacturer = manufacturer;
+	}
+
+	public ProductDataModel(string id, string productName, ProductType productType, string manufacturerId, double price) : this(id, productName, productType, manufacturerId, price, false) { }
+
+	public void Validate()
+	{
+		if (Id.IsEmpty())
+			throw new ValidationException("Field Id is empty");
+
+		if (!Id.IsGuid())
+			throw new ValidationException("The value in the field Id is not a unique identifier");
+
+		if (ProductName.IsEmpty())
+			throw new ValidationException("Field ProductName is empty");
+
+		if (ProductType == ProductType.None)
+			throw new ValidationException("Field ProductType is empty");
+
+		if (ManufacturerId.IsEmpty())
+			throw new ValidationException("Field ManufacturerId is empty");
+
+		if (!ManufacturerId.IsGuid())
+			throw new ValidationException("The value in the field ManufacturerId is not a unique identifier");
+
+		if (Price <= 0)
+			throw new ValidationException("Field Price is less than or equal to 0");
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/ProductHistoryDataModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/ProductHistoryDataModel.cs
@@ -0,0 +1,36 @@
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.Infrastructure;
+
+namespace CatHasPawsContratcs.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())
+			throw new ValidationException("Field ProductId is empty");
+
+		if (!ProductId.IsGuid())
+			throw new ValidationException("The value in the field ProductId is not a unique identifier");
+
+		if (OldPrice <= 0)
+			throw new ValidationException("Field OldPrice is less than or equal to 0");
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/SalaryDataModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/SalaryDataModel.cs
@@ -0,0 +1,26 @@
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.Infrastructure;
+
+namespace CatHasPawsContratcs.DataModels;
+
+public class SalaryDataModel(string workerId, DateTime salaryDate, double workerSalary) : IValidation
+{
+	public string WorkerId { get; private set; } = workerId;
+
+	public DateTime SalaryDate { get; private set; } = salaryDate;
+
+	public double Salary { get; private set; } = workerSalary;
+
+	public void Validate()
+	{
+		if (WorkerId.IsEmpty())
+			throw new ValidationException("Field WorkerId is empty");
+
+		if (!WorkerId.IsGuid())
+			throw new ValidationException("The value in the field WorkerId is not a unique identifier");
+
+		if (Salary <= 0)
+			throw new ValidationException("Field Salary is less than or equal to 0");
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/SaleDataModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/SaleDataModel.cs
@@ -0,0 +1,102 @@
+using CatHasPawsContratcs.Enums;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.Infrastructure;
+
+namespace CatHasPawsContratcs.DataModels;
+
+public class SaleDataModel : IValidation
+{
+	private readonly BuyerDataModel? _buyer;
+
+	private readonly WorkerDataModel? _worker;
+
+	public string Id { get; private set; }
+
+	public string WorkerId { get; private set; }
+
+	public string? BuyerId { get; private set; }
+
+	public DateTime SaleDate { get; private set; } = DateTime.UtcNow;
+
+	public double Sum { get; private set; }
+
+	public DiscountType DiscountType { get; private set; }
+
+	public double Discount { get; private set; }
+
+	public bool IsCancel { get; private set; }
+
+	public List<SaleProductDataModel>? Products { get; private set; }
+
+	public string BuyerFIO => _buyer?.FIO ?? string.Empty;
+
+	public string WorkerFIO => _worker?.FIO ?? string.Empty;
+
+	public SaleDataModel(string id, string workerId, string? buyerId, DiscountType discountType, bool isCancel, List<SaleProductDataModel> saleProducts)
+	{
+		Id = id;
+		WorkerId = workerId;
+		BuyerId = buyerId;
+		DiscountType = discountType;
+		IsCancel = isCancel;
+		Products = saleProducts;
+		var percent = 0.0;
+		foreach (DiscountType elem in Enum.GetValues<DiscountType>())
+		{
+			if ((elem & discountType) != 0)
+			{
+				switch (elem)
+				{
+					case DiscountType.None:
+						break;
+					case DiscountType.OnSale:
+						percent += 0.1;
+						break;
+					case DiscountType.RegularCustomer:
+						percent += 0.5;
+						break;
+					case DiscountType.Certificate:
+						percent += 0.3;
+						break;
+				}
+			}
+		}
+		Sum = Products?.Sum(x => x.Price * x.Count) ?? 0;
+		Discount = Sum * percent;
+	}
+
+	public SaleDataModel(string id, string workerId, string? buyerId, double sum, DiscountType discountType, double discount, bool isCancel, List<SaleProductDataModel> saleProducts, WorkerDataModel worker, BuyerDataModel? buyer) : this(id, workerId, buyerId, discountType, isCancel, saleProducts)
+	{
+		Sum = sum;
+		Discount = discount;
+		_worker = worker;
+		_buyer = buyer;
+	}
+
+	public SaleDataModel(string id, string workerId, string? buyerId, int discountType, List<SaleProductDataModel> products) : this(id, workerId, buyerId, (DiscountType)discountType, false, products) { }
+
+	public void Validate()
+	{
+		if (Id.IsEmpty())
+			throw new ValidationException("Field Id is empty");
+
+		if (!Id.IsGuid())
+			throw new ValidationException("The value in the field Id is not a unique identifier");
+
+		if (WorkerId.IsEmpty())
+			throw new ValidationException("Field WorkerId is empty");
+
+		if (!WorkerId.IsGuid())
+			throw new ValidationException("The value in the field WorkerId is not a unique identifier");
+
+		if (!BuyerId?.IsGuid() ?? !BuyerId?.IsEmpty() ?? false)
+			throw new ValidationException("The value in the field BuyerId is not a unique identifier");
+
+		if (Sum <= 0)
+			throw new ValidationException("Field Sum is less than or equal to 0");
+
+		if ((Products?.Count ?? 0) == 0)
+			throw new ValidationException("The sale must include products");
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/SaleProductDataModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/SaleProductDataModel.cs
@@ -0,0 +1,46 @@
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.Infrastructure;
+
+namespace CatHasPawsContratcs.DataModels;
+
+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())
+			throw new ValidationException("Field SaleId is empty");
+
+		if (!SaleId.IsGuid())
+			throw new ValidationException("The value in the field SaleId is not a unique identifier");
+
+		if (ProductId.IsEmpty())
+			throw new ValidationException("Field ProductId is empty");
+
+		if (!ProductId.IsGuid())
+			throw new ValidationException("The value in the field ProductId is not a unique identifier");
+
+		if (Count <= 0)
+			throw new ValidationException("Field Count is less than or equal to 0");
+
+		if (Price <= 0)
+			throw new ValidationException("Field Price is less than or equal to 0");
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/WorkerDataModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/WorkerDataModel.cs
@@ -0,0 +1,58 @@
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.Extensions;
+using CatHasPawsContratcs.Infrastructure;
+
+namespace CatHasPawsContratcs.DataModels;
+
+public class WorkerDataModel(string id, string fio, string postId, 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;
+
+	public string PostId { get; private set; } = postId;
+
+	public DateTime BirthDate { get; private set; } = birthDate;
+
+	public DateTime EmploymentDate { get; private set; } = employmentDate;
+
+	public bool IsDeleted { get; private set; } = isDeleted;
+
+	public string PostName => _post?.PostName ?? string.Empty;
+
+	public WorkerDataModel(string id, string fio, string postId, DateTime birthDate, DateTime employmentDate, bool isDeleted, PostDataModel post) : this(id, fio, postId, birthDate, employmentDate, isDeleted)
+	{
+		_post = post;
+	}
+
+	public WorkerDataModel(string id, string fio, string postId, DateTime birthDate, DateTime employmentDate) : this(id, fio, postId, birthDate, employmentDate, false) { }
+
+	public void Validate()
+	{
+		if (Id.IsEmpty())
+			throw new ValidationException("Field Id is empty");
+
+		if (!Id.IsGuid())
+			throw new ValidationException("The value in the field Id is not a unique identifier");
+
+		if (FIO.IsEmpty())
+			throw new ValidationException("Field FIO is empty");
+
+		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 (BirthDate.Date > DateTime.Now.AddYears(-16).Date)
+			throw new ValidationException($"Minors cannot be hired (BirthDate = {BirthDate.ToShortDateString()})");
+
+		if (EmploymentDate.Date < BirthDate.Date)
+			throw new ValidationException("The date of employment cannot be less than the date of birth");
+
+		if ((EmploymentDate - BirthDate).TotalDays / 365 < 16) // EmploymentDate.Year - BirthDate.Year
+			throw new ValidationException($"Minors cannot be hired (EmploymentDate - {EmploymentDate.ToShortDateString()}, BirthDate - {BirthDate.ToShortDateString()})");
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/WorkerSalaryByPeriodDataModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/DataModels/WorkerSalaryByPeriodDataModel.cs
@@ -0,0 +1,12 @@
+namespace CatHasPawsContratcs.DataModels;
+
+public class WorkerSalaryByPeriodDataModel
+{
+	public required string WorkerFIO { get; set; }
+
+	public double TotalSalary { get; set; }
+
+	public DateTime FromPeriod { get; set; }
+
+	public DateTime ToPeriod { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Enums/DiscountType.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Enums/DiscountType.cs
@@ -0,0 +1,10 @@
+namespace CatHasPawsContratcs.Enums;
+
+[Flags]
+public enum DiscountType
+{
+	None = 0,
+	OnSale = 1,
+	RegularCustomer = 2,
+	Certificate = 4
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Enums/PostType.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Enums/PostType.cs
@@ -0,0 +1,9 @@
+namespace CatHasPawsContratcs.Enums;
+
+public enum PostType
+{
+	None = 0,
+	Supervisor = 1,
+	CashierConsultant = 2,
+	Assistant = 3
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Enums/ProductType.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Enums/ProductType.cs
@@ -0,0 +1,9 @@
+namespace CatHasPawsContratcs.Enums;
+
+public enum ProductType
+{
+	None = 0,
+	Feed = 1,
+	Toy = 2,
+	Accessory = 3
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/ElementDeletedException.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/ElementDeletedException.cs
@@ -0,0 +1,6 @@
+namespace CatHasPawsContratcs.Exceptions;
+
+public class ElementDeletedException : Exception
+{
+	public ElementDeletedException(string id) : base($"Cannot modify a deleted item (id: {id})") { }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/ElementExistsException.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/ElementExistsException.cs
@@ -0,0 +1,14 @@
+namespace CatHasPawsContratcs.Exceptions;
+
+public class ElementExistsException : Exception
+{
+	public string ParamName { get; private set; }
+
+	public string ParamValue { get; private set; }
+
+	public ElementExistsException(string paramName, string paramValue) : base($"There is already an element with value{paramValue} of parameter {paramName}")
+	{
+		ParamName = paramName;
+		ParamValue = paramValue;
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/ElementNotFoundException.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/ElementNotFoundException.cs
@@ -0,0 +1,11 @@
+namespace CatHasPawsContratcs.Exceptions;
+
+public class ElementNotFoundException : Exception
+{
+	public string Value { get; private set; }
+
+	public ElementNotFoundException(string value) : base($"Element not found at value = {value}")
+	{
+		Value = value;
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/IncorrectDatesException.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/IncorrectDatesException.cs
@@ -0,0 +1,6 @@
+namespace CatHasPawsContratcs.Exceptions;
+
+public class IncorrectDatesException : Exception
+{
+	public IncorrectDatesException(DateTime start, DateTime end) : base($"The end date must be later than the start date.. StartDate: {start:dd.MM.YYYY}. EndDate: {end:dd.MM.YYYY}") { }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/NullListException.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/NullListException.cs
@@ -0,0 +1,6 @@
+namespace CatHasPawsContratcs.Exceptions;
+
+public class NullListException : Exception
+{
+	public NullListException() : base("The returned list is null") { }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/StorageException.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/StorageException.cs
@@ -0,0 +1,6 @@
+namespace CatHasPawsContratcs.Exceptions;
+
+public class StorageException : Exception
+{
+	public StorageException(Exception ex) : base($"Error while working in storage: {ex.Message}", ex) { }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/ValidationException.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Exceptions/ValidationException.cs
@@ -0,0 +1,5 @@
+namespace CatHasPawsContratcs.Exceptions;
+
+public class ValidationException(string message) : Exception(message)
+{
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Extensions/DateTimeExtensions.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Extensions/DateTimeExtensions.cs
@@ -0,0 +1,9 @@
+namespace CatHasPawsContratcs.Extensions;
+
+public static class DateTimeExtensions
+{
+	public static bool IsDateNotOlder(this DateTime date, DateTime olderDate)
+	{
+		return date >= olderDate;
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Extensions/StringExtensions.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Extensions/StringExtensions.cs
@@ -0,0 +1,14 @@
+namespace CatHasPawsContratcs.Extensions;
+
+public static class StringExtensions
+{
+	public static bool IsEmpty(this string str)
+	{
+		return string.IsNullOrWhiteSpace(str);
+	}
+
+	public static bool IsGuid(this string str)
+	{
+		return Guid.TryParse(str, out _);
+	}
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/IConfigurationDatabase.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/IConfigurationDatabase.cs
@@ -0,0 +1,6 @@
+namespace CatHasPawsContratcs.Infrastructure;
+
+public interface IConfigurationDatabase
+{
+	string ConnectionString { get; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/IConfigurationSalary.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/IConfigurationSalary.cs
@@ -0,0 +1,6 @@
+namespace CatHasPawsContratcs.Infrastructure;
+
+public interface IConfigurationSalary
+{
+	double ExtraSaleSum { get; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/IValidation.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/IValidation.cs
@@ -0,0 +1,6 @@
+namespace CatHasPawsContratcs.Infrastructure;
+
+public interface IValidation
+{
+	void Validate();
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/OperationResponse.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/OperationResponse.cs
@@ -0,0 +1,48 @@
+using Microsoft.AspNetCore.Http;
+using Microsoft.AspNetCore.Mvc;
+using System.Net;
+
+namespace CatHasPawsContratcs.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 };
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/PostConfigurations/CashierPostConfiguration.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/PostConfigurations/CashierPostConfiguration.cs
@@ -0,0 +1,10 @@
+namespace CatHasPawsContratcs.Infrastructure.PostConfigurations;
+
+public class CashierPostConfiguration : PostConfiguration
+{
+	public override string Type => nameof(CashierPostConfiguration);
+
+	public double SalePercent { get; set; }
+
+	public double BonusForExtraSales { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/PostConfigurations/PostConfiguration.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/PostConfigurations/PostConfiguration.cs
@@ -0,0 +1,8 @@
+namespace CatHasPawsContratcs.Infrastructure.PostConfigurations;
+
+public class PostConfiguration
+{
+	public virtual string Type => nameof(PostConfiguration);
+
+	public double Rate { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/PostConfigurations/SupervisorPostConfiguration.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/Infrastructure/PostConfigurations/SupervisorPostConfiguration.cs
@@ -0,0 +1,8 @@
+namespace CatHasPawsContratcs.Infrastructure.PostConfigurations;
+
+public class SupervisorPostConfiguration : PostConfiguration
+{
+	public override string Type => nameof(SupervisorPostConfiguration);
+
+	public double PersonalCountTrendPremium { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/IBuyerStorageContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/IBuyerStorageContract.cs
@@ -0,0 +1,20 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.StoragesContracts;
+
+public interface IBuyerStorageContract
+{
+	List<BuyerDataModel> GetList();
+
+	BuyerDataModel? GetElementById(string id);
+
+	BuyerDataModel? GetElementByPhoneNumber(string phoneNumber);
+
+	BuyerDataModel? GetElementByFIO(string fio);
+
+	void AddElement(BuyerDataModel buyerDataModel);
+
+	void UpdElement(BuyerDataModel buyerDataModel);
+
+	void DelElement(string id);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/IManufacturerStorageContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/IManufacturerStorageContract.cs
@@ -0,0 +1,20 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.StoragesContracts;
+
+public interface IManufacturerStorageContract
+{
+	List<ManufacturerDataModel> GetList();
+
+	ManufacturerDataModel? GetElementById(string id);
+
+	ManufacturerDataModel? GetElementByName(string name);
+
+	ManufacturerDataModel? GetElementByOldName(string name);
+
+	void AddElement(ManufacturerDataModel manufacturerDataModel);
+
+	void UpdElement(ManufacturerDataModel manufacturerDataModel);
+
+	void DelElement(string id);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/IPostStorageContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/IPostStorageContract.cs
@@ -0,0 +1,22 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.StoragesContracts;
+
+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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/IProductStorageContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/IProductStorageContract.cs
@@ -0,0 +1,22 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.StoragesContracts;
+
+public interface IProductStorageContract
+{
+	List<ProductDataModel> GetList(bool onlyActive = true, string? manufacturerId = 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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/ISalaryStorageContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/ISalaryStorageContract.cs
@@ -0,0 +1,12 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.StoragesContracts;
+
+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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/ISaleStorageContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/ISaleStorageContract.cs
@@ -0,0 +1,16 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.StoragesContracts;
+
+public interface ISaleStorageContract
+{
+	List<SaleDataModel> GetList(DateTime? startDate = null, DateTime? endDate = null, string? workerId = null, string? buyerId = 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);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/IWorkerStorageContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/StoragesContracts/IWorkerStorageContract.cs
@@ -0,0 +1,20 @@
+using CatHasPawsContratcs.DataModels;
+
+namespace CatHasPawsContratcs.StoragesContracts;
+
+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);
+
+	void AddElement(WorkerDataModel workerDataModel);
+
+	void UpdElement(WorkerDataModel workerDataModel);
+
+	void DelElement(string id);
+
+	int GetWorkerTrend(DateTime fromPeriod, DateTime toPeriod);
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/BuyerViewModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/BuyerViewModel.cs
@@ -0,0 +1,12 @@
+namespace CatHasPawsContratcs.ViewModels;
+
+public class BuyerViewModel
+{
+	public required string Id { get; set; }
+
+	public required string FIO { get; set; }
+
+	public required string PhoneNumber { get; set; }
+
+	public double DiscountSize { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/ManufacturerProductViewModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/ManufacturerProductViewModel.cs
@@ -0,0 +1,8 @@
+namespace CatHasPawsContratcs.ViewModels;
+
+public class ManufacturerProductViewModel
+{
+	public required string ManufacturerName { get; set; }
+
+	public required List<string> Products { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/ManufacturerViewModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/ManufacturerViewModel.cs
@@ -0,0 +1,12 @@
+namespace CatHasPawsContratcs.ViewModels;
+
+public class ManufacturerViewModel
+{
+	public required string Id { get; set; }
+
+	public required string ManufacturerName { get; set; }
+
+	public string? PrevManufacturerName { get; set; }
+
+	public string? PrevPrevManufacturerName { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/PostViewModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/PostViewModel.cs
@@ -0,0 +1,12 @@
+namespace CatHasPawsContratcs.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; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/ProductHistoryViewModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/ProductHistoryViewModel.cs
@@ -0,0 +1,10 @@
+namespace CatHasPawsContratcs.ViewModels;
+
+public class ProductHistoryViewModel
+{
+	public required string ProductName { get; set; }
+
+	public double OldPrice { get; set; }
+
+	public DateTime ChangeDate { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/ProductViewModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/ProductViewModel.cs
@@ -0,0 +1,18 @@
+namespace CatHasPawsContratcs.ViewModels;
+
+public class ProductViewModel
+{
+	public required string Id { get; set; }
+
+	public required string ProductName { get; set; }
+
+	public required string ManufacturerId { get; set; }
+
+	public required string ManufacturerName { get; set; }
+
+	public required string ProductType { get; set; }
+
+	public double Price { get; set; }
+
+	public bool IsDeleted { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/SaleProductViewModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/SaleProductViewModel.cs
@@ -0,0 +1,12 @@
+namespace CatHasPawsContratcs.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; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/SaleViewModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/SaleViewModel.cs
@@ -0,0 +1,26 @@
+namespace CatHasPawsContratcs.ViewModels;
+
+public class SaleViewModel
+{
+	public required string Id { get; set; }
+
+	public required string WorkerId { get; set; }
+
+	public required string WorkerFIO { get; set; }
+
+	public string? BuyerId { get; set; }
+
+	public string? BuyerFIO { get; set; }
+
+	public DateTime SaleDate { get; set; }
+
+	public double Sum { get; set; }
+
+	public required string DiscountType { get; set; }
+
+	public double Discount { get; set; }
+
+	public bool IsCancel { get; set; }
+
+	public required List<SaleProductViewModel> Products { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/WorkerSalaryByPeriodViewModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/WorkerSalaryByPeriodViewModel.cs
@@ -0,0 +1,12 @@
+namespace CatHasPawsContratcs.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; }
+}
--- a/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/WorkerViewModel.cs
+++ b/TheCatHasPawsProject/CatHasPawsContratcs/ViewModels/WorkerViewModel.cs
@@ -0,0 +1,18 @@
+namespace CatHasPawsContratcs.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 bool IsDeleted { get; set; }
+
+	public DateTime BirthDate { get; set; }
+
+	public DateTime EmploymentDate { get; set; }
+}
--- a/TheCatHasPawsProject/CatHasPawsDatabase/CatHasPawsDatabase.csproj
+++ b/TheCatHasPawsProject/CatHasPawsDatabase/CatHasPawsDatabase.csproj
@@ -0,0 +1,30 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="AutoMapper" Version="14.0.0" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="9.0.2" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="9.0.2">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Newtonsoft.Json" Version="13.0.1" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="9.0.3" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\CatHasPawsContratcs\CatHasPawsContratcs.csproj" />
+  </ItemGroup>
+
+	<ItemGroup>
+		<InternalsVisibleTo Include="CatHasPawsTests" />
+		<InternalsVisibleTo Include="CatHasPawsWebApi" />
+		<InternalsVisibleTo Include="DynamicProxyGenAssembly2" />
+	</ItemGroup>
+
+</Project>
--- a/TheCatHasPawsProject/CatHasPawsDatabase/CatHasPawsDbContext.cs
+++ b/TheCatHasPawsProject/CatHasPawsDatabase/CatHasPawsDbContext.cs
@@ -0,0 +1,99 @@
+using CatHasPawsContratcs.Infrastructure;
+using CatHasPawsContratcs.Infrastructure.PostConfigurations;
+using CatHasPawsDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Linq;
+
+namespace CatHasPawsDatabase;
+
+internal class CatHasPawsDbContext : DbContext
+{
+	private readonly IConfigurationDatabase? _configurationDatabase;
+
+	public CatHasPawsDbContext(IConfigurationDatabase configurationDatabase)
+	{
+		_configurationDatabase = configurationDatabase;
+		AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
+		AppContext.SetSwitch("Npgsql.DisableDateTimeInfinityConversions", true);
+	}
+
+	protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+	{
+		optionsBuilder.UseNpgsql(_configurationDatabase?.ConnectionString, o => o.SetPostgresVersion(12, 2));
+		base.OnConfiguring(optionsBuilder);
+	}
+
+	protected override void OnModelCreating(ModelBuilder modelBuilder)
+	{
+		base.OnModelCreating(modelBuilder);
+
+		modelBuilder.Entity<Buyer>().HasIndex(x => x.PhoneNumber).IsUnique();
+
+		modelBuilder.Entity<Sale>()
+			.HasOne(e => e.Buyer)
+			.WithMany(e => e.Sales)
+			.OnDelete(DeleteBehavior.SetNull);
+
+		modelBuilder.Entity<Manufacturer>().HasIndex(x => x.ManufacturerName).IsUnique();
+
+		modelBuilder.Entity<Post>()
+			.HasIndex(e => new { e.PostName, e.IsActual })
+			.IsUnique()
+			.HasFilter($"\"{nameof(Post.IsActual)}\" = TRUE");
+
+		modelBuilder.Entity<Post>()
+			.HasIndex(e => new { e.PostId, e.IsActual })
+			.IsUnique()
+			.HasFilter($"\"{nameof(Post.IsActual)}\" = TRUE");
+
+		modelBuilder.Entity<Product>()
+			.HasIndex(x => new { x.ProductName, x.IsDeleted })
+			.IsUnique()
+			.HasFilter($"\"{nameof(Product.IsDeleted)}\" = FALSE");
+
+		modelBuilder
+			.Entity<Product>()
+			.HasOne(e => e.Manufacturer)
+			.WithMany(e => e.Products)
+			.OnDelete(DeleteBehavior.Restrict);
+
+		modelBuilder.Entity<SaleProduct>().HasKey(x => new { x.SaleId, x.ProductId });
+
+		modelBuilder.Entity<Post>()
+			.Property(x => x.Configuration)
+			.HasColumnType("jsonb")
+			.HasConversion(
+				x => SerializePostConfiguration(x),
+				x => DeserialzePostConfiguration(x)
+			);
+	}
+
+	public DbSet<Buyer> Buyers { get; set; }
+
+	public DbSet<Manufacturer> Manufacturers { get; set; }
+
+	public DbSet<Post> Posts { get; set; }
+
+	public DbSet<Product> Products { get; set; }
+
+	public DbSet<ProductHistory> ProductHistories { get; set; }
+
+	public DbSet<Salary> Salaries { get; set; }
+
+	public DbSet<Sale> Sales { get; set; }
+
+	public DbSet<SaleProduct> SaleProducts { get; set; }
+
+	public DbSet<Worker> Workers { get; set; }
+
+	private static string SerializePostConfiguration(PostConfiguration postConfiguration) => JsonConvert.SerializeObject(postConfiguration);
+
+	private static PostConfiguration DeserialzePostConfiguration(string jsonString) => JToken.Parse(jsonString).Value<string>("Type") switch
+	{
+		nameof(CashierPostConfiguration) => JsonConvert.DeserializeObject<CashierPostConfiguration>(jsonString)!,
+		nameof(SupervisorPostConfiguration) => JsonConvert.DeserializeObject<SupervisorPostConfiguration>(jsonString)!,
+		_ => JsonConvert.DeserializeObject<PostConfiguration>(jsonString)!,
+	};
+
+}
--- a/TheCatHasPawsProject/CatHasPawsDatabase/DefaultConfigurationDatabase.cs
+++ b/TheCatHasPawsProject/CatHasPawsDatabase/DefaultConfigurationDatabase.cs
@@ -0,0 +1,8 @@
+using CatHasPawsContratcs.Infrastructure;
+
+namespace CatHasPawsDatabase;
+
+class DefaultConfigurationDatabase : IConfigurationDatabase
+{
+	public string ConnectionString => "";
+}
--- a/TheCatHasPawsProject/CatHasPawsDatabase/Implementations/BuyerStorageContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsDatabase/Implementations/BuyerStorageContract.cs
@@ -0,0 +1,149 @@
+using AutoMapper;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.StoragesContracts;
+using CatHasPawsDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using Npgsql;
+
+namespace CatHasPawsDatabase.Implementations;
+
+internal class BuyerStorageContract : IBuyerStorageContract
+{
+	private readonly CatHasPawsDbContext _dbContext;
+	private readonly Mapper _mapper;
+
+	public BuyerStorageContract(CatHasPawsDbContext catHasPawsDbContext)
+	{
+		_dbContext = catHasPawsDbContext;
+		var config = new MapperConfiguration(cfg =>
+		{
+			cfg.CreateMap<Buyer, BuyerDataModel>();
+			cfg.CreateMap<BuyerDataModel, Buyer>();
+		});
+		_mapper = new Mapper(config);
+	}
+
+	public List<BuyerDataModel> GetList()
+	{
+		try
+		{
+			return [.. _dbContext.Buyers.Select(x => _mapper.Map<BuyerDataModel>(x))];
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	public BuyerDataModel? GetElementById(string id)
+	{
+		try
+		{
+			return _mapper.Map<BuyerDataModel>(GetBuyerById(id));
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	public BuyerDataModel? GetElementByFIO(string fio)
+	{
+		try
+		{
+			return _mapper.Map<BuyerDataModel>(_dbContext.Buyers.FirstOrDefault(x => x.FIO == fio));
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	public BuyerDataModel? GetElementByPhoneNumber(string phoneNumber)
+	{
+		try
+		{
+			return _mapper.Map<BuyerDataModel>(_dbContext.Buyers.FirstOrDefault(x => x.PhoneNumber == phoneNumber));
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	public void AddElement(BuyerDataModel buyerDataModel)
+	{
+		try
+		{
+			_dbContext.Buyers.Add(_mapper.Map<Buyer>(buyerDataModel));
+			_dbContext.SaveChanges();
+		}
+		catch (InvalidOperationException ex) when (ex.TargetSite?.Name == "ThrowIdentityConflict")
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new ElementExistsException("Id", buyerDataModel.Id);
+		}
+		catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Buyers_PhoneNumber" })
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new ElementExistsException("PhoneNumber", buyerDataModel.PhoneNumber);
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	public void UpdElement(BuyerDataModel buyerDataModel)
+	{
+		try
+		{
+			var element = GetBuyerById(buyerDataModel.Id) ?? throw new ElementNotFoundException(buyerDataModel.Id);
+			_dbContext.Buyers.Update(_mapper.Map(buyerDataModel, element));
+			_dbContext.SaveChanges();
+		}
+		catch (ElementNotFoundException)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw;
+		}
+		catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Buyers_PhoneNumber" })
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new ElementExistsException("PhoneNumber", buyerDataModel.PhoneNumber);
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	public void DelElement(string id)
+	{
+		try
+		{
+			var element = GetBuyerById(id) ?? throw new ElementNotFoundException(id);
+			_dbContext.Buyers.Remove(element);
+			_dbContext.SaveChanges();
+		}
+		catch (ElementNotFoundException)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw;
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	private Buyer? GetBuyerById(string id) => _dbContext.Buyers.FirstOrDefault(x => x.Id == id);
+}
--- a/TheCatHasPawsProject/CatHasPawsDatabase/Implementations/ManufacturerStorageContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsDatabase/Implementations/ManufacturerStorageContract.cs
@@ -0,0 +1,156 @@
+using AutoMapper;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.StoragesContracts;
+using CatHasPawsDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using Npgsql;
+
+namespace CatHasPawsDatabase.Implementations;
+
+internal class ManufacturerStorageContract : IManufacturerStorageContract
+{
+	private readonly CatHasPawsDbContext _dbContext;
+	private readonly Mapper _mapper;
+
+	public ManufacturerStorageContract(CatHasPawsDbContext dbContext)
+	{
+		_dbContext = dbContext;
+		var config = new MapperConfiguration(cfg =>
+		{
+			cfg.CreateMap<Manufacturer, ManufacturerDataModel>();
+			cfg.CreateMap<ManufacturerDataModel, Manufacturer>();
+		});
+		_mapper = new Mapper(config);
+	}
+
+	public List<ManufacturerDataModel> GetList()
+	{
+		try
+		{
+			return [.. _dbContext.Manufacturers.Select(x => _mapper.Map<ManufacturerDataModel>(x))];
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	public ManufacturerDataModel? GetElementById(string id)
+	{
+		try
+		{
+			return _mapper.Map<ManufacturerDataModel>(GetManufacturerById(id));
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	public ManufacturerDataModel? GetElementByName(string name)
+	{
+		try
+		{
+			return _mapper.Map<ManufacturerDataModel>(_dbContext.Manufacturers.FirstOrDefault(x => x.ManufacturerName == name));
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	public ManufacturerDataModel? GetElementByOldName(string name)
+	{
+		try
+		{
+			return _mapper.Map<ManufacturerDataModel>(_dbContext.Manufacturers.FirstOrDefault(x => x.PrevManufacturerName == name ||
+				x.PrevPrevManufacturerName == name));
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	public void AddElement(ManufacturerDataModel manufacturerDataModel)
+	{
+		try
+		{
+			_dbContext.Manufacturers.Add(_mapper.Map<Manufacturer>(manufacturerDataModel));
+			_dbContext.SaveChanges();
+		}
+		catch (InvalidOperationException ex) when (ex.TargetSite?.Name == "ThrowIdentityConflict")
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new ElementExistsException("Id", manufacturerDataModel.Id);
+		}
+		catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Manufacturers_ManufacturerName" })
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new ElementExistsException("ManufacturerName", manufacturerDataModel.ManufacturerName);
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	public void UpdElement(ManufacturerDataModel manufacturerDataModel)
+	{
+		try
+		{
+			var element = GetManufacturerById(manufacturerDataModel.Id) ?? throw new ElementNotFoundException(manufacturerDataModel.Id);
+			if (element.ManufacturerName != manufacturerDataModel.ManufacturerName)
+			{
+				element.PrevPrevManufacturerName = element.PrevManufacturerName;
+				element.PrevManufacturerName = element.ManufacturerName;
+				element.ManufacturerName = manufacturerDataModel.ManufacturerName;
+			}
+			_dbContext.Manufacturers.Update(element);
+			_dbContext.SaveChanges();
+		}
+		catch (ElementNotFoundException)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw;
+		}
+		catch (DbUpdateException ex) when (ex.InnerException is PostgresException { ConstraintName: "IX_Manufacturers_ManufacturerName" })
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new ElementExistsException("ManufacturerName", manufacturerDataModel.ManufacturerName);
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	public void DelElement(string id)
+	{
+		try
+		{
+			var element = GetManufacturerById(id) ?? throw new ElementNotFoundException(id);
+			_dbContext.Manufacturers.Remove(element);
+			_dbContext.SaveChanges();
+		}
+		catch (ElementNotFoundException)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw;
+		}
+		catch (Exception ex)
+		{
+			_dbContext.ChangeTracker.Clear();
+			throw new StorageException(ex);
+		}
+	}
+
+	private Manufacturer? GetManufacturerById(string id) => _dbContext.Manufacturers.FirstOrDefault(x => x.Id == id);
+}
--- a/TheCatHasPawsProject/CatHasPawsDatabase/Implementations/PostStorageContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsDatabase/Implementations/PostStorageContract.cs
@@ -0,0 +1,186 @@
+using AutoMapper;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.StoragesContracts;
+using CatHasPawsDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using Npgsql;
+
+namespace CatHasPawsDatabase.Implementations;
+
+internal class PostStorageContract : IPostStorageContract
+{
+	private readonly CatHasPawsDbContext _dbContext;
+	private readonly Mapper _mapper;
+
+	public PostStorageContract(CatHasPawsDbContext 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();
+}
--- a/TheCatHasPawsProject/CatHasPawsDatabase/Implementations/ProductStorageContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsDatabase/Implementations/ProductStorageContract.cs
@@ -0,0 +1,189 @@
+using AutoMapper;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.StoragesContracts;
+using CatHasPawsDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+using Npgsql;
+
+namespace CatHasPawsDatabase.Implementations;
+
+internal class ProductStorageContract : IProductStorageContract
+{
+	private readonly CatHasPawsDbContext _dbContext;
+	private readonly Mapper _mapper;
+
+	public ProductStorageContract(CatHasPawsDbContext dbContext)
+	{
+		_dbContext = dbContext;
+		var config = new MapperConfiguration(cfg =>
+		{
+			cfg.CreateMap<Manufacturer, ManufacturerDataModel>();
+			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? manufacturerId = null)
+	{
+		try
+		{
+			var query = _dbContext.Products.Include(x => x.Manufacturer).AsQueryable();
+			if (onlyActive)
+			{
+				query = query.Where(x => !x.IsDeleted);
+			}
+			if (manufacturerId is not null)
+			{
+				query = query.Where(x => x.ManufacturerId == manufacturerId);
+			}
+			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.Manufacturer).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.Manufacturer).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.Manufacturer).FirstOrDefault(x => x.Id == id && !x.IsDeleted);
+}
--- a/TheCatHasPawsProject/CatHasPawsDatabase/Implementations/SalaryStorageContract.cs
+++ b/TheCatHasPawsProject/CatHasPawsDatabase/Implementations/SalaryStorageContract.cs
@@ -0,0 +1,71 @@
+using AutoMapper;
+using CatHasPawsContratcs.DataModels;
+using CatHasPawsContratcs.Exceptions;
+using CatHasPawsContratcs.StoragesContracts;
+using CatHasPawsDatabase.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace CatHasPawsDatabase.Implementations;
+
+internal class SalaryStorageContract : ISalaryStorageContract
+{
+	private readonly CatHasPawsDbContext _dbContext;
+	private readonly Mapper _mapper;
+
+	public SalaryStorageContract(CatHasPawsDbContext dbContext)
+	{
+		_dbContext = dbContext;
+		var config = new MapperConfiguration(cfg =>
+		{
+			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.Where(x => x.SalaryDate >= startDate && x.SalaryDate <= endDate);
+			if (workerId is not 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);
+		}
+	}
+}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Эгов Евгений	2f383752ea	Save files on tests	2025-04-06 16:46:21 +04:00
Эгов Евгений	02b8c2ceeb	CreateDocumentSalaryByPeriod	2025-04-06 16:30:49 +04:00
Эгов Евгений	3a87f41323	GetDataSalaryByPeriod	2025-04-06 16:02:57 +04:00
Эгов Евгений	d2cba3bbca	CreateDocumentSalesByPeriod	2025-04-06 15:32:36 +04:00
Эгов Евгений	008f5001a3	GetDataSaleByPeriod	2025-04-06 15:00:04 +04:00
Эгов Евгений	72a0aeb96a	CreateDocumentProductsByManufacturer	2025-04-06 14:19:33 +04:00
Эгов Евгений	dead17cca0	GetDataProductsByManufacturer	2025-04-06 13:41:29 +04:00
Эгов Евгений	e561eb91d3	Prepare	2025-04-06 13:07:41 +04:00
Эгов Евгений	f90274ff5e	миграция AddDateOfDeleteInWorker	2025-03-28 20:23:37 +04:00
Эгов Евгений	1807aabf23	Расчет зарплаты	2025-03-27 20:32:15 +04:00
Эгов Евгений	51ec839e90	Изменения в должности	2025-03-27 19:58:54 +04:00
Эгов Евгений	6752ec0292	Первая миграция	2025-03-27 19:05:24 +04:00
Эгов Евгений	afe3a18866	Работник	2025-03-09 20:36:28 +04:00
Эгов Евгений	f3449dee3c	Продажа	2025-03-09 19:47:33 +04:00
Эгов Евгений	0ff65a7faa	Revert "Зарплата" This reverts commit `e40e9edd5d`.	2025-03-09 18:47:08 +04:00
Эгов Евгений	e40e9edd5d	Зарплата	2025-03-09 18:43:54 +04:00
Эгов Евгений	efef7afd91	Товар	2025-03-09 17:46:36 +04:00
Эгов Евгений	5c978beafa	Должность	2025-03-09 17:02:45 +04:00
Эгов Евгений	1b3e780fb7	Производитель	2025-03-09 16:18:45 +04:00
Эгов Евгений	72547eeb41	Тесты контрактов хранилищ	2025-03-09 16:04:50 +04:00
Эгов Евгений	9ed1d7b442	Основа + покупатель	2025-03-09 10:53:04 +04:00
Эгов Евгений	ba060a7e21	Тесты	2025-02-17 21:07:05 +04:00
Эгов Евгений	3b5ffb40e1	Контракты	2025-02-17 20:29:08 +04:00
Эгов Евгений	9ebecdc818	DbContext	2025-02-17 19:45:57 +04:00
Эгов Евгений	4a82378f01	Проект и модели	2025-02-17 19:36:37 +04:00
Эгов Евгений	9b7afd24b1	мелкие правки	2025-02-06 09:54:14 +04:00
Эгов Евгений	d8ccc037d3	Реалзиации	2025-02-05 20:43:37 +04:00
Эгов Евгений	aa1d5d3113	Тесты	2025-02-05 20:43:29 +04:00
Эгов Евгений	c86d2e9c21	Расширение	2025-02-05 20:43:15 +04:00
Эгов Евгений	1ca954dfb8	Исключения	2025-02-05 20:43:06 +04:00
Эгов Евгений	ffe137d574	Конструкторы	2025-02-05 20:20:51 +04:00
Эгов Евгений	6fd6848c7a	Изменение по должности	2025-02-05 18:06:07 +04:00
Эгов Евгений	92377771a3	Заготовки реализаций	2025-02-05 18:03:41 +04:00
Эгов Евгений	b98947dd4b	Контракты	2025-02-05 17:52:18 +04:00
Эгов Евгений	ddd75dd3ff	Тесты	2025-01-31 17:31:12 +04:00
Эгов Евгений	ad033b3b53	Модельки	2025-01-31 17:08:43 +04:00