Add database models (Entity Framework)

SushiBar.sln

@@ -5,7 +5,9 @@ VisualStudioVersion = 17.8.34511.84
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SushiBarView", "SushiBarView\SushiBarView.csproj", "{68873614-5B4D-4753-B03B-F28E73E17951}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SushiBarDataModels", "SushiBarDataModels\SushiBarDataModels.csproj", "{4A5A85B2-9B70-4493-B550-0E29FE82E9FD}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "SushiBarDataModels", "SushiBarDataModels\SushiBarDataModels.csproj", "{4A5A85B2-9B70-4493-B550-0E29FE82E9FD}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SushiBarDatabaseImplement", "SushiBarDatabaseImplement\SushiBarDatabaseImplement.csproj", "{135C846B-59EC-4803-B07C-8991C60C57D6}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
@@ -21,6 +23,10 @@ Global
 		{4A5A85B2-9B70-4493-B550-0E29FE82E9FD}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{4A5A85B2-9B70-4493-B550-0E29FE82E9FD}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{4A5A85B2-9B70-4493-B550-0E29FE82E9FD}.Release|Any CPU.Build.0 = Release|Any CPU
+		{135C846B-59EC-4803-B07C-8991C60C57D6}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{135C846B-59EC-4803-B07C-8991C60C57D6}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{135C846B-59EC-4803-B07C-8991C60C57D6}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{135C846B-59EC-4803-B07C-8991C60C57D6}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

SushiBarDatabaseImplement/Models/Cheque.cs

@@ -0,0 +1,28 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace SushiBarDatabaseImplement.Models
+{
+    public class Cheque
+    {
+        [Key]
+        public int Id { get; set; }
+
+        public int? CustomerId { get; set; }
+
+        public virtual Customer? Customer { get; set; }
+
+        [Required]
+        public DateTime OrderDate { get; set; }
+
+        [Required]
+        public double TotalSum { get; set; }
+
+        public int? PromotionId { get; set; }
+
+        public virtual Promotion? Promotion { get; set; }
+
+        [ForeignKey("Cheque")]
+        public List<ChequeItem> ChequeItems { get; set; } = new();
+    }
+}

SushiBarDatabaseImplement/Models/ChequeItem.cs

@@ -0,0 +1,28 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace SushiBarDatabaseImplement.Models
+{
+    public class ChequeItem
+    {
+        [Key]
+        public int Id { get; set; }
+
+        [Required]
+        public int ChequeId { get; set; }
+
+        public virtual Cheque Cheque { get; set; } = new();
+
+        [Required]
+        public int DishId { get; set; }
+
+        public virtual Dish Dish { get; set; } = new();
+
+        [Required]
+        public int CookId { get; set; }
+
+        public virtual Cook Cook { get; set; } = new();
+
+        [Required]
+        public int Count { get; set; }
+    }
+}

SushiBarDatabaseImplement/Models/Cook.cs

@@ -0,0 +1,20 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace SushiBarDatabaseImplement.Models
+{
+    public class Cook
+    {
+        [Key]
+        public int Id { get; set; }
+
+        [Required]
+        public string Fio { get; set; } = string.Empty;
+
+        [Required]
+        public DateTime EmploymentDate { get; set; }
+
+        [ForeignKey("CookId")]
+        public List<ChequeItem> ChequeItems { get; set; } = new();
+    }
+}

SushiBarDatabaseImplement/Models/Customer.cs

@@ -0,0 +1,23 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace SushiBarDatabaseImplement.Models
+{
+    public class Customer
+    {
+        [Key]
+        public int Id { get; set; }
+
+        [Required]
+        public string Fio { get; set; } = string.Empty;
+
+        [Required]
+        public DateTime BirthdayDate { get; set; }
+
+        [Required]
+        public double SumOfAllOrders { get; set; }
+
+        [ForeignKey("CustomerId")]
+        public List<Cheque> Cheques { get; set; } = new();
+    }
+}

SushiBarDatabaseImplement/Models/Dish.cs

@@ -0,0 +1,23 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace SushiBarDatabaseImplement.Models
+{
+    public class Dish
+    {
+        [Key]
+        public int Id { get; set; }
+
+        [Required]
+        public string DishName { get; set; } = string.Empty;
+
+        [Required]
+        public string Category { get; set; } = string.Empty;
+
+        [ForeignKey("DishId")]
+        public virtual List<DishIngredient> DishIngredients { get; set; } = new();
+
+        [ForeignKey("DishId")]
+        public List<ChequeItem> ChequeItems { get; set; } = new();
+    }
+}

SushiBarDatabaseImplement/Models/DishIngredient.cs

@@ -0,0 +1,23 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace SushiBarDatabaseImplement.Models
+{
+    public class DishIngredient
+    {
+        [Key]
+        public int Id { get; set; }
+
+        [Required]
+        public int DishId { get; set; }
+
+        public virtual Dish Dish { get; set; } = new();
+
+        [Required]
+        public int IngredientId { get; set; }
+
+        public virtual Ingredient Ingredient { get; set; } = new();
+
+        [Required]
+        public int Count { get; set; }
+    }
+}

SushiBarDatabaseImplement/Models/Ingredient.cs

@@ -0,0 +1,23 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace SushiBarDatabaseImplement.Models
+{
+    public class Ingredient
+    {
+        [Key]
+        public int Id { get; set; }
+
+        [Required]
+        public string IngredientName { get; set; } = string.Empty;
+
+        [Required]
+        public string Unit { get; set; } = string.Empty;
+
+        [Required]
+        public double Cost { get; set; }
+
+        [ForeignKey("IngredientId")]
+        public virtual List<DishIngredient> DishIngredients { get; set; } = new();
+    }
+}

SushiBarDatabaseImplement/Models/Promotion.cs

@@ -0,0 +1,23 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace SushiBarDatabaseImplement.Models
+{
+    public class Promotion
+    {
+        [Key]
+        public int Id { get; set; }
+
+        [Required]
+        public string PromotionName { get; set; } = string.Empty;
+
+        [Required]
+        public float Discount { get; set; }
+
+        [Required]
+        public double TriggeringSum { get; set; }
+
+        [ForeignKey("PromotionId")]
+        public List<Cheque> Cheques { get; set; } = new();
+    }
+}

SushiBarDatabaseImplement/SushiBarDatabase.cs

@@ -0,0 +1,36 @@
+using Microsoft.EntityFrameworkCore;
+using SushiBarDatabaseImplement.Models;
+
+namespace SushiBarDatabaseImplement
+{
+    public class SushiBarDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder OptionsBuilder)
+        {
+            if (OptionsBuilder.IsConfigured == false)
+            {
+                OptionsBuilder.UseNpgsql(@"Host=192.168.56.101;Port=5436;Database=postgres;Username=postgres;Password=admin");
+            }
+            base.OnConfiguring(OptionsBuilder);
+            
+            AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
+            AppContext.SetSwitch("Npgsql.DisableDataTimeInfinityConversions", true);
+        }
+
+        public virtual DbSet<Dish> Dishes { get; set; }
+
+        public virtual DbSet<Ingredient> Ingredients { get; set; }
+
+        public virtual DbSet<DishIngredient> DishIngredients { get; set; }
+
+        public virtual DbSet<Cheque> Cheques { get; set; }
+
+        public virtual DbSet<ChequeItem> ChequeItems { get; set; }
+
+        public virtual DbSet<Cook> Cooks { get; set; }
+
+        public virtual DbSet<Customer> Customers { get; set; }
+
+        public virtual DbSet<Promotion> Promotions { get; set; }
+    }
+}

SushiBarDatabaseImplement/SushiBarDatabaseImplement.csproj

@@ -0,0 +1,19 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.19" />
+    <PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.19">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
+    </PackageReference>
+    <PackageReference Include="Npgsql" Version="8.0.3" />
+    <PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.18" />
+  </ItemGroup>
+
+</Project>