Database implement

2023-04-05 19:08:51 +04:00 · 2023-04-05 19:08:51 +04:00 · e3a360bdec
commit e3a360bdec
parent 40fe6af205
9 changed files with 576 additions and 0 deletions
--- a/ComputerShopProvider/ComputerShopDatabaseImplement/ComputerShopDatabase.cs
+++ b/ComputerShopProvider/ComputerShopDatabaseImplement/ComputerShopDatabase.cs
@ -0,0 +1,27 @@
+using ComputerShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement
+{
+    internal class ComputerShopDatabase : DbContext
+    {
+        protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
+        {
+            if (optionsBuilder.IsConfigured == false)
+            {
+                optionsBuilder.UseSqlServer(@"Data Source=DESKTOP-IRUVF5S\SQLEXPRESS;Initial Catalog=ComputerShopDatabaseFull;Integrated Security=True;MultipleActiveResultSets=True;;TrustServerCertificate=True");
+            }
+            base.OnConfiguring(optionsBuilder);
+        }
+        public virtual DbSet<Component> Components { set; get; }
+        public virtual DbSet<Assembly> Assemblies { set; get; }
+        public virtual DbSet<AssemblyComponent> AssemblyComponents { set; get; }
+        public virtual DbSet<Purchase> Purchases { set; get; }
+    }
+}
--- a/ComputerShopProvider/ComputerShopDatabaseImplement/ComputerShopDatabaseImplement.csproj
+++ b/ComputerShopProvider/ComputerShopDatabaseImplement/ComputerShopDatabaseImplement.csproj
@ -17,4 +17,9 @@
    <PackageReference Include="NLog.Extensions.Logging" Version="5.2.3" />
  </ItemGroup>

+  <ItemGroup>
+    <ProjectReference Include="..\ComputerShopContracts\ComputerShopContracts.csproj" />
+    <ProjectReference Include="..\ComputerShopDataModels\ComputerShopDataModels.csproj" />
+  </ItemGroup>
+
 </Project>
--- a/ComputerShopProvider/ComputerShopDatabaseImplement/Implements/AssemblyStorage.cs
+++ b/ComputerShopProvider/ComputerShopDatabaseImplement/Implements/AssemblyStorage.cs
@ -0,0 +1,111 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+    internal class AssemblyStorage : IAssemblyStorage
+    {
+        public List<AssemblyViewModel> GetFullList()
+        {
+            using var context = new ComputerShopDatabase();
+            return context.Assemblies
+            .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<AssemblyViewModel> GetFilteredList(AssemblySearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.AssemblyName))
+            {
+                return new();
+            }
+            using var context = new ComputerShopDatabase();
+            return context.Assemblies
+            .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .Where(x => x.AssemblyName.Contains(model.AssemblyName))
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public AssemblyViewModel? GetElement(AssemblySearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.AssemblyName) &&
+            !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerShopDatabase();
+            return context.Assemblies
+            .Include(x => x.Components)
+            .ThenInclude(x => x.Component)
+            .FirstOrDefault(x => (!string.IsNullOrEmpty(model.AssemblyName) &&
+            x.AssemblyName == model.AssemblyName) ||
+            (model.Id.HasValue && x.Id ==
+            model.Id))
+            ?.GetViewModel;
+        }
+        public AssemblyViewModel? Insert(AssemblyBindingModel model)
+        {
+            using var context = new ComputerShopDatabase();
+            var newProduct = Assembly.Create(context, model);
+            if (newProduct == null)
+            {
+                return null;
+            }
+            context.Assemblies.Add(newProduct);
+            context.SaveChanges();
+            return newProduct.GetViewModel;
+        }
+        public AssemblyViewModel? Update(AssemblyBindingModel model)
+        {
+            using var context = new ComputerShopDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var product = context.Assemblies.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (product == null)
+                {
+                    return null;
+                }
+                product.Update(model);
+                context.SaveChanges();
+                product.UpdateComponents(context, model);
+                transaction.Commit();
+                return product.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public AssemblyViewModel? Delete(AssemblyBindingModel model)
+        {
+            using var context = new ComputerShopDatabase();
+            var element = context.Assemblies
+            .Include(x => x.Components)
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Assemblies.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}
--- a/ComputerShopProvider/ComputerShopDatabaseImplement/Implements/ComponentStorage.cs
+++ b/ComputerShopProvider/ComputerShopDatabaseImplement/Implements/ComponentStorage.cs
@ -0,0 +1,89 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+    internal class ComponentStorage : IComponentStorage
+    {
+        public List<ComponentViewModel> GetFullList()
+        {
+            using var context = new ComputerShopDatabase();
+            return context.Components
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<ComponentViewModel> GetFilteredList(ComponentSearchModel
+        model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName))
+            {
+                return new();
+            }
+            using var context = new ComputerShopDatabase();
+            return context.Components
+            .Where(x => x.ComponentName.Contains(model.ComponentName))
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public ComponentViewModel? GetElement(ComponentSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.ComponentName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerShopDatabase();
+            return context.Components
+            .FirstOrDefault(x =>
+            (!string.IsNullOrEmpty(model.ComponentName) && x.ComponentName ==
+            model.ComponentName) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+        public ComponentViewModel? Insert(ComponentBindingModel model)
+        {
+            var newComponent = Component.Create(model);
+            if (newComponent == null)
+            {
+                return null;
+            }
+            using var context = new ComputerShopDatabase();
+            context.Components.Add(newComponent);
+            context.SaveChanges();
+            return newComponent.GetViewModel;
+        }
+        public ComponentViewModel? Update(ComponentBindingModel model)
+        {
+            using var context = new ComputerShopDatabase();
+            var component = context.Components.FirstOrDefault(x => x.Id ==
+            model.Id);
+            if (component == null)
+            {
+                return null;
+            }
+            component.Update(model);
+            context.SaveChanges();
+            return component.GetViewModel;
+        }
+        public ComponentViewModel? Delete(ComponentBindingModel model)
+        {
+            using var context = new ComputerShopDatabase();
+            var element = context.Components.FirstOrDefault(rec => rec.Id ==
+            model.Id);
+            if (element != null)
+            {
+                context.Components.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}
--- a/ComputerShopProvider/ComputerShopDatabaseImplement/Implements/PurchaseStorage.cs
+++ b/ComputerShopProvider/ComputerShopDatabaseImplement/Implements/PurchaseStorage.cs
@ -0,0 +1,85 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.SearchModels;
+using ComputerShopContracts.StorageContracts;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Implements
+{
+    internal class PurchaseStorage : IPurchaseStorage
+    {
+        public PurchaseViewModel? GetElement(PurchaseSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerShopDatabase();
+            return context.Purchases.Include(x => x.Component).FirstOrDefault(x => (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
+        }
+
+        public List<PurchaseViewModel> GetFilteredList(PurchaseSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new ComputerShopDatabase();
+            return context.Purchases
+            .Where(x => x.Id == model.Id)
+            .Include(x => x.Component)
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+
+        public List<PurchaseViewModel> GetFullList()
+        {
+            using var context = new ComputerShopDatabase();
+            return context.Purchases.Include(x => x.Component).Select(x => x.GetViewModel).ToList();
+        }
+
+        public PurchaseViewModel? Insert(PurchaseBindingModel model)
+        {
+            var newOrder = Purchase.Create(model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            using var context = new ComputerShopDatabase();
+            context.Purchases.Add(newOrder);
+            context.SaveChanges();
+            return context.Purchases.Include(x => x.Component).FirstOrDefault(x => x.Id == newOrder.Id)?.GetViewModel;
+        }
+
+        public PurchaseViewModel? Update(PurchaseBindingModel model)
+        {
+            using var context = new ComputerShopDatabase();
+            var order = context.Purchases.FirstOrDefault(x => x.Id == model.Id);
+            if (order == null)
+            {
+                return null;
+            }
+            order.Update(model);
+            context.SaveChanges();
+            return context.Purchases.Include(x => x.Component).FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
+        }
+        public PurchaseViewModel? Delete(PurchaseBindingModel model)
+        {
+            using var context = new ComputerShopDatabase();
+            var element = context.Purchases.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Purchases.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}
--- a/ComputerShopProvider/ComputerShopDatabaseImplement/Models/Assembly.cs
+++ b/ComputerShopProvider/ComputerShopDatabaseImplement/Models/Assembly.cs
@ -0,0 +1,100 @@
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations.Schema;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+    internal class Assembly : IAssemblyModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string AssemblyName { get; set; } = string.Empty;
+        [Required]
+        public double Price { get; set; }
+        private Dictionary<int, (IComponentModel, int)>? _assemblyComponents =
+        null;
+        [NotMapped]
+        public Dictionary<int, (IComponentModel, int)> AssemblyComponents
+        {
+            get
+            {
+                if (_assemblyComponents == null)
+                {
+                    _assemblyComponents = Components
+                    .ToDictionary(recPC => recPC.ComponentId, recPC =>
+                    (recPC.Component as IComponentModel, recPC.Count));
+                }
+                return _assemblyComponents;
+            }
+        }
+        [ForeignKey("AssemblyId")]
+        public virtual List<AssemblyComponent> Components { get; set; } = new();
+        [ForeignKey("AssemblyId")]
+        public virtual List<Purchase> Purchases { get; set; } = new();
+        public static Assembly Create(ComputerShopDatabase context, AssemblyBindingModel model)
+        {
+            return new Assembly()
+            {
+                Id = model.Id,
+                AssemblyName = model.AssemblyName,
+                Price = model.Price,
+                Components = model.AssemblyComponents.Select(x => new
+                AssemblyComponent
+                {
+                    Component = context.Components.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList()
+            };
+        }
+        public void Update(AssemblyBindingModel model)
+        {
+            AssemblyName = model.AssemblyName;
+            Price = model.Price;
+        }
+        public AssemblyViewModel GetViewModel => new()
+        {
+            Id = Id,
+            AssemblyName = AssemblyName,
+            Price = Price,
+            AssemblyComponents = AssemblyComponents
+        };
+        public void UpdateComponents(ComputerShopDatabase context, AssemblyBindingModel model)
+        {
+            var assemblyComponents = context.AssemblyComponents.Where(rec =>
+            rec.Id == model.Id).ToList();
+            if (assemblyComponents != null && assemblyComponents.Count > 0)
+            { // удалили те, которых нет в модели
+                context.AssemblyComponents.RemoveRange(assemblyComponents.Where(rec
+                => !model.AssemblyComponents.ContainsKey(rec.ComponentId)));
+                context.SaveChanges();
+                // обновили количество у существующих записей
+                foreach (var updateComponent in assemblyComponents)
+                {
+                    updateComponent.Count = model.AssemblyComponents[updateComponent.ComponentId].Item2;
+                    model.AssemblyComponents.Remove(updateComponent.ComponentId);
+                }
+                context.SaveChanges();
+            }
+            var assembly = context.Assemblies.First(x => x.Id == Id);
+            foreach (var pc in model.AssemblyComponents)
+            {
+                context.AssemblyComponents.Add(new AssemblyComponent
+                {
+                    Assembly = assembly,
+                    Component = context.Components.First(x => x.Id == pc.Key),
+                    Count = pc.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _assemblyComponents = null;
+        }
+    }
+}
--- a/ComputerShopProvider/ComputerShopDatabaseImplement/Models/AssemblyComponent.cs
+++ b/ComputerShopProvider/ComputerShopDatabaseImplement/Models/AssemblyComponent.cs
@ -0,0 +1,23 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+    internal class AssemblyComponent
+    {
+        public int Id { get; set; }
+        [Required]
+        public int AssemblyId { get; set; }
+        [Required]
+        public int ComponentId { get; set; }
+        [Required]
+        public int Count { get; set; }
+        public virtual Component Component { get; set; } = new();
+        public virtual Assembly Assembly { get; set; } = new();
+    }
+}
--- a/ComputerShopProvider/ComputerShopDatabaseImplement/Models/Component.cs
+++ b/ComputerShopProvider/ComputerShopDatabaseImplement/Models/Component.cs
@ -0,0 +1,62 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDataModels.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;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+    internal 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<AssemblyComponent> AssemblyComponents { 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
+        };
+    }
+}
--- a/ComputerShopProvider/ComputerShopDatabaseImplement/Models/Purchase.cs
+++ b/ComputerShopProvider/ComputerShopDatabaseImplement/Models/Purchase.cs
@ -0,0 +1,74 @@
+using ComputerShopContracts.BindingModels;
+using ComputerShopContracts.ViewModels;
+using ComputerShopDataModels.Enums;
+using ComputerShopDataModels.Models;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace ComputerShopDatabaseImplement.Models
+{
+    internal class Purchase : IPurchaseModel
+    {
+        public string ComponentName { get; private set; } = String.Empty;
+        public int Id { get; private set; }
+        [Required]
+        public int ComponentId { get; private set; }
+        [Required]
+        public int Count { get; private set; }
+        [Required]
+        public double Sum { get; private set; }
+        [Required]
+        public PurchaseStatus Status { get; private set; } = PurchaseStatus.Неизвестен;
+        [Required]
+        public DateTime DateCreate { get; private set; } = DateTime.Now;
+
+        public DateTime? DateImplement { get; private set; }
+        public virtual Component Component { get; set; }
+
+        public static Purchase? Create(PurchaseBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Purchase
+            {
+                ComponentId = model.ComponentId,
+                ComponentName = model.ComponentName,
+                Count = model.Count,
+                Sum = model.Sum,
+                Status = model.Status,
+                DateCreate = model.DateCreate,
+                DateImplement = model.DateImplement,
+                Id = model.Id,
+            };
+        }
+
+        public void Update(PurchaseBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            Status = model.Status;
+            DateImplement = model.DateImplement;
+        }
+
+        public PurchaseViewModel GetViewModel => new()
+        {
+            ComponentId = ComponentId,
+            Count = Count,
+            Sum = Sum,
+            DateCreate = DateCreate,
+            DateImplement = DateImplement,
+            Id = Id,
+            Status = Status,
+            ComponentName = ComponentName
+        };
+    }
+}