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WildPlum/WildPlum/DataModels/BuyerDataModel.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Numerics;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using System.Xml;
+using WildPlum.Extensions;
+using WildPlum.Infrastructure;
+using static System.Runtime.InteropServices.JavaScript.JSType;
+
+namespace WildPlum.DataModels;
+
+public class BuyerDataModel(string id, string fio, string phoneNumber) : IValidation
+{
+    public string Id { get; private set; } = id;
+    public string FIO { get; private set; } = fio;
+    public string PhoneNumber { get; private set; } = phoneNumber;
+
+    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");
+    }
+}

WildPlum/WildPlum/DataModels/OrderDataModel.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using WildPlum.Extensions;
+using WildPlum.Infrastructure;
+
+namespace WildPlum.DataModels;
+
+public class OrderDataModel (string id, int price, DateTime date, string postId) : IValidation
+{
+    public string Id { get; private set; } = id;
+    public int Price { get; private set; } = price;
+    public DateTime Date { get; private set; } = date;
+    public string BuyerId { get; private set; } = postId;
+
+    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 (BuyerId.IsEmpty())
+            throw new ValidationException("Field BuyerId is empty");
+        if (!BuyerId.IsGuid())
+            throw new ValidationException("The value in the field BuyerId is not a unique identifier");
+    }
+}

WildPlum/WildPlum/DataModels/OrderProductDataModel.cs

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+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using WildPlum.Extensions;
+using WildPlum.Infrastructure;
+
+namespace WildPlum.DataModels;
+
+public class OrderProductDataModel (string orderId, string productId, int count) : IValidation
+{
+    public string OrderId { get; private set; } = orderId;
+    public string ProductId { get; private set; } = productId;
+    public int Count { get; private set; } = count;
+
+    public void Validate()
+    {
+        if (OrderId.IsEmpty())
+            throw new ValidationException("Field OrderId is empty");
+        if (!OrderId.IsGuid())
+            throw new ValidationException("The value in the field OrderId 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 Id is not a unique identifier");
+        if (Count <= 0)
+            throw new ValidationException("Field Count is less than or equal to 0");
+    }
+}

WildPlum/WildPlum/DataModels/PostDateModel.cs

@@ -0,0 +1,40 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml;
+using WildPlum.Enums;
+using WildPlum.Extensions;
+using WildPlum.Infrastructure;
+
+namespace WildPlum.DataModels;
+
+public class PostDateModel(string id, string postId, string postName, PostType postType, double salary, bool isActual, DateTime changeDate) : IValidation
+{
+    public string Id { get; private set; } = id;
+    public string PostId { get; private set; } = postId;
+    public string PostName { get; private set; } = postName;
+    public PostType PostType { get; private set; } = postType;
+    public double Salary { get; private set; } = salary;
+    public bool IsActual { get; private set; } = isActual;
+    public DateTime ChangeDate { get; private set; } = changeDate;
+    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 (PostId.IsEmpty())
+            throw new ValidationException("Field PostId is empty");
+        if (!PostId.IsGuid())
+            throw new ValidationException("The value in the field PostId is not a unique identifier");
+    if (PostName.IsEmpty())
+            throw new ValidationException("Field PostName is empty");
+        if (PostType == PostType.None)
+            throw new ValidationException("Field PostType is empty");
+        if (Salary <= 0)
+            throw new ValidationException("Field Salary is empty");
+    }
+}

WildPlum/WildPlum/DataModels/ProductDataModel.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml;
+using WildPlum.Enums;
+using WildPlum.Extensions;
+using WildPlum.Infrastructure;
+
+namespace WildPlum.DataModels;
+
+public class ProductDataModel (string id, string productName, ProductType productType, string manufacturerId, double price, bool isDeleted) : IValidation
+{
+    public string Id { get; private set; } = id;
+    public string ProductName { get; private set; } = productName;
+    public ProductType ProductType { get; private set; } = productType;
+    public double Price { get; private set; } = price;
+    public bool IsDeleted { get; private set; } = isDeleted;
+    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 (Price <= 0)
+            throw new ValidationException("Field Price is less than or equal to 0");
+    }
+}

WildPlum/WildPlum/DataModels/ProductHistoryDataModel.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using WildPlum.Extensions;
+using WildPlum.Infrastructure;
+
+namespace WildPlum.DataModels;
+
+public class ProductHistoryDataModel(string productId, double oldPrice) : IValidation
+{
+    public string ProductId { get; private set; } = productId;
+    public double OldPrice { get; private set; } = oldPrice;
+    public DateTime ChangeDate { get; private set; } = DateTime.UtcNow;
+    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");
+    }
+}

WildPlum/WildPlum/DataModels/ProductWarehouseDataModel.cs

@@ -0,0 +1,31 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using WildPlum.Extensions;
+using WildPlum.Infrastructure;
+
+namespace WildPlum.DataModels;
+
+public class ProductWarehouseDataModel (string productId, string warehouseId, int count) : IValidation
+{
+    public string ProductId { get; private set; } = productId;
+    public string WarehouseId { get; private set; } = warehouseId;
+    public int Count { get; private set; } = count;
+
+    public void Validate()
+    {
+        if (ProductId.IsEmpty())
+            throw new ValidationException("Field ProductId is empty");
+        if (WarehouseId.IsEmpty())
+            throw new ValidationException("Field WarehouseId is empty");
+        if (!WarehouseId.IsGuid())
+            throw new ValidationException("The value in the field WarehouseId is not a unique identifier");
+        if (!ProductId.IsGuid())
+            throw new ValidationException("The value in the field Id is not a unique identifier");
+        if (Count <= 0)
+            throw new ValidationException("Field Count is less than or equal to 0");
+    }
+}

WildPlum/WildPlum/DataModels/SalaryDataModel.cs

@@ -0,0 +1,26 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using WildPlum.Extensions;
+using WildPlum.Infrastructure;
+
+namespace WildPlum.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");
+    }
+}

WildPlum/WildPlum/DataModels/WarehouseDataModel.cs

@@ -0,0 +1,29 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using WildPlum.Extensions;
+using WildPlum.Infrastructure;
+
+namespace WildPlum.DataModels;
+
+public class WarehouseDataModel (string id, string name, string adress) : IValidation
+{
+    public string Id { get; private set; } = id;
+    public string Name { get; private set; } = name;
+    public string Adress { get; private set; } = adress;
+
+    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 (Name.IsEmpty())
+            throw new ValidationException("Field Name is empty");
+        if (Adress.IsEmpty())
+            throw new ValidationException("Field Adress is empty");
+    }
+}

WildPlum/WildPlum/DataModels/WorkerDataModel.cs

@@ -0,0 +1,42 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml;
+using WildPlum.Extensions;
+using WildPlum.Infrastructure;
+using static System.Runtime.InteropServices.JavaScript.JSType;
+
+namespace WildPlum.DataModels;
+
+public class WorkerDataModel (string id, string fio, string postId, DateTime birthDate, DateTime employmentDate, bool isDeleted) : IValidation
+{
+    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 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()})");
+    }
+}

WildPlum/WildPlum/Enums/PostType.cs

@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WildPlum.Enums;
+
+public enum PostType
+{
+    None = 0,
+    Operator = 1,
+    Delivaryman = 2,
+    Loader = 3
+}

WildPlum/WildPlum/Enums/ProductType.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WildPlum.Enums;
+
+public enum ProductType
+{
+    None = 0,
+    Cloth = 1,
+    Shoes = 2,
+    Toy = 3,
+    Office = 4
+}

WildPlum/WildPlum/Exceptions/ValidationException.cs

@@ -0,0 +1,11 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WildPlum.Exceptions;
+
+public class ValidationException(string message) : Exception(message)
+{
+}

WildPlum/WildPlum/Extensions/StringExtensions.cs

@@ -0,0 +1,19 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WildPlum.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 _);
+    }
+}

WildPlum/WildPlum/Infrastructure/IValidation.cs

@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace WildPlum.Infrastructure;
+
+public interface IValidation
+{
+    void Validate();
+}