1

Pizzeria/Pizzeria.sln

@@ -15,6 +15,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaBusinessLogic", "Pi
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "PizzeriaFileImplement", "PizzeriaFileImplement\PizzeriaFileImplement.csproj", "{5FA9C75E-4A06-4B3E-AD87-48B0C96BB4A1}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "PizzeriaDatabaseImplement", "PizzeriaDatabaseImplement\PizzeriaDatabaseImplement.csproj", "{31FC8CAC-BED8-4DF0-8B57-20917DC66A5C}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -45,6 +47,10 @@ Global
 		{5FA9C75E-4A06-4B3E-AD87-48B0C96BB4A1}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5FA9C75E-4A06-4B3E-AD87-48B0C96BB4A1}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5FA9C75E-4A06-4B3E-AD87-48B0C96BB4A1}.Release|Any CPU.Build.0 = Release|Any CPU
+		{31FC8CAC-BED8-4DF0-8B57-20917DC66A5C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{31FC8CAC-BED8-4DF0-8B57-20917DC66A5C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{31FC8CAC-BED8-4DF0-8B57-20917DC66A5C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{31FC8CAC-BED8-4DF0-8B57-20917DC66A5C}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

Pizzeria/PizzeriaDatabaseImplement/Models/Component.cs

@@ -0,0 +1,56 @@
+using PizzeriaDataModels.Models;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+
+namespace PizzeriaDatabaseImplement.Models
+{
+    public class Component : IComponentModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string ComponentName { get; private set; } = string.Empty;
+        [Required]
+        public double Cost { get; set; }
+        [ForeignKey("ComponentId")]
+        public virtual List<PizzaComponent> ProductComponents { get; set; } = new();
+        public static Component? Create(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Component()
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+        public static Component Create(ComponentViewModel model)
+        {
+            return new Component
+            {
+                Id = model.Id,
+                ComponentName = model.ComponentName,
+                Cost = model.Cost
+            };
+        }
+        public void Update(ComponentBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ComponentName = model.ComponentName;
+            Cost = model.Cost;
+        }
+        public ComponentViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ComponentName = ComponentName,
+            Cost = Cost
+        };
+    }
+}

Pizzeria/PizzeriaDatabaseImplement/Models/Pizza.cs

@@ -0,0 +1,94 @@
+using PizzeriaDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using PizzeriaContracts.BindingModels;
+using PizzeriaContracts.ViewModels;
+
+namespace PizzeriaDatabaseImplement.Models
+{
+    public class Pizza : IPizzaModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string PizzaName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        private Dictionary<int, (IComponentModel, int)>? _PizzaComponents = null;
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> PizzaComponents
+        {
+            get
+            {
+                if (_PizzaComponents == null)
+                {
+                    _PizzaComponents = Components.ToDictionary(recPC => recPC.ComponentId, recPC => (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _PizzaComponents;
+            }
+        }
+        [ForeignKey("PizzaId")]
+        public virtual List<PizzaComponent> Components { get; set; } = new();
+        [ForeignKey("PizzaId")]
+        public virtual List<Order> Orders { get; set; } = new();
+        public static Pizza Create(PizzeriaDatabase context, PizzaBindingModel model)
+        {
+            return new Pizza()
+            {
+                Id = model.Id,
+                PizzaName = model.PizzaName,
+                Price = model.Price,
+                Components = model.PizzaComponents.Select(x => new PizzaComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+        public void Update(PizzaBindingModel model)
+        {
+            PizzaName = model.PizzaName;
+            Price = model.Price;
+        }
+        public PizzaViewModel GetViewModel => new()
+        {
+            Id = Id,
+            PizzaName = PizzaName,
+            Price = Price,
+            PizzaComponents = PizzaComponents
+        };
+        public void UpdateComponents(PizzeriaDatabase context, PizzaBindingModel model)
+        {
+            var PizzaComponents = context.PizzaComponents.Where(rec => rec.PizzaId == model.Id).ToList();
+            if (PizzaComponents != null && PizzaComponents.Count > 0)
+            { // удалили те, которых нет в модели
+                context.PizzaComponents.RemoveRange(PizzaComponents.Where(rec => !model.PizzaComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateComponent in PizzaComponents)
+                {
+                    updateComponent.Count = model.PizzaComponents[updateComponent.ComponentId].Item2;
+                    model.PizzaComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var Pizza = context.Pizzas.First(x => x.Id == Id);
+            foreach (var pc in model.PizzaComponents)
+            {
+                context.PizzaComponents.Add(new PizzaComponent
+                {
+                    Pizza = Pizza,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _PizzaComponents = null;
+        }
+    }
+}
+

Pizzeria/PizzeriaDatabaseImplement/Models/ProductComponent.cs

@@ -0,0 +1,23 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace PizzeriaDatabaseImplement.Models
+{
+    public class ProductComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int ProductId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Component Component { get; set; } = new();
+        public virtual Pizza Pizza { get; set; } = new();
+    }
+
+}

Pizzeria/PizzeriaDatabaseImplement/PizzeriaDatabaseImplement.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\PizzeriaContracts\PizzeriaContracts.csproj" />
+    <ProjectReference Include="..\PizzeriaDataModels\PizzeriaDataModels.csproj" />
+  </ItemGroup>
+
+</Project>