+
This commit is contained in:
bekodeg
parent
4b1d26dfb5
commit
ce72b6d6b0
@ -6,6 +6,12 @@
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<Compile Remove="BusinessLogic\**" />
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<EmbeddedResource Remove="BusinessLogic\**" />
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<None Remove="BusinessLogic\**" />
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</ItemGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.1" />
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</ItemGroup>
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@ -0,0 +1,35 @@
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using ComputerHardwareStoreDatabaseImplement.Models;
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using Microsoft.EntityFrameworkCore;
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namespace ComputerHardwareStoreDatabaseImplement
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{
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public class ComputerHardwareStoreDBContext : DbContext
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{
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protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
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{
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if (optionsBuilder.IsConfigured == false)
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{
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//optionsBuilder.UseNpgsql(@"Host=localhost;Database=ProductBar_db;Username=postgres;Password=postgres"); // не надо >:
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/*
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* в program добавить:
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* // получаем строку подключения из файла конфигурации
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* string connection = builder.Configuration.GetConnectionString("DefaultConnection");
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*
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* // добавляем контекст ApplicationContext в качестве сервиса в приложение
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* builder.Services.AddDbContext<ApplicationContext>(options => options.UseSqlServer(connection));
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*
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* в appsettings:
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* "ConnectionStrings": {
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* "DefaultConnection": "Host=localhost;Database=ProductBar_db;Username=compstore;Password=compstore"
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* },
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*/
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}
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base.OnConfiguring(optionsBuilder);
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AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
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AppContext.SetSwitch("Npgsql.DisableDateTimeInfinityConversions", true);
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}
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public virtual DbSet<Component> Components { set; get; }
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public virtual DbSet<Product> Products { set; get; }
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public virtual DbSet<ProductComponent> ProductComponents { set; get; }
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}
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}
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@ -0,0 +1,19 @@
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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net8.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Microsoft.EntityFrameworkCore" Version="8.0.4" />
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<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="8.0.2" />
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</ItemGroup>
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<ItemGroup>
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<ProjectReference Include="..\ComputerHardwareStoreContracts\ComputerHardwareStoreContracts.csproj" />
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<ProjectReference Include="..\ComputerHardwareStoreDataModels\ComputerHardwareStoreDataModels.csproj" />
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</ItemGroup>
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</Project>
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@ -0,0 +1,50 @@
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using ComputerHardwareStoreContracts.BindingModels;
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using ComputerHardwareStoreContracts.ViewModels;
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using ComputerHardwareStoreDataModels.Models;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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namespace ComputerHardwareStoreDatabaseImplement.Models
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{
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public class Component : IComponentModel
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{
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public int Id { get; private set; }
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[Required]
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public string Name { get; private set; } = string.Empty;
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[Required]
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public double Cost { get; set; }
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[ForeignKey("ComponentId")]
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public virtual List<ProductComponent> ProductComponents { get; set; } = new();
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public static Component? Create(ComponentBindingModel model)
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{
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if (model == null)
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{
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return null;
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}
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return new Component()
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{
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Id = model.Id,
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Name = model.Name,
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Cost = model.Cost
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};
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}
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public void Update (ComponentBindingModel model)
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{
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if (model == null)
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{
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return;
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}
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Name = string.IsNullOrEmpty(model.Name) ? Name : model.Name;
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Cost = model.Cost;
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}
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public ComponentViewModel GetViewModel => new()
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{
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Id = Id,
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Name = Name,
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Cost = Cost
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};
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public int StoreKeeperId => throw new NotImplementedException();
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}
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}
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@ -0,0 +1,62 @@
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using ComputerHardwareStoreContracts.BindingModels;
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using ComputerHardwareStoreContracts.ViewModels;
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using ComputerHardwareStoreDataModels.Enums;
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using ComputerHardwareStoreDataModels.Models;
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using System.ComponentModel.DataAnnotations;
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namespace ComputerHardwareStoreDatabaseImplement.Models
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{
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public class Order : IOrderModel
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{
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public int Id { get; private set; }
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[Required]
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public int Count { get; set; }
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[Required]
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public double Sum { get; set; }
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[Required]
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public OrderStatus Status { get; set; } = OrderStatus.Неизвестен;
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[Required]
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public DateTime DateCreate { get; set; } = DateTime.Now;
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public DateTime? DateImplement { get; set; }
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[Required]
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public int ProductId { get; private set; }
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public virtual Product? Product { get; set; }
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public static Order? Create(ComputerHardwareStoreDBContext context, OrderBindingModel model)
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{
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if (model == null)
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{
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return null;
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}
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return new Order()
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{
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Id = model.Id,
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Count = model.Count,
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Sum = model.Sum,
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Status = model.Status,
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DateCreate = model.DateCreate,
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DateImplement = model.DateImplement,
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ProductId = model.CannedId,
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Product = context.Products.First(x => x.Id == model.ProductId)
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};
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}
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public void Update(OrderBindingModel model)
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{
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if (model == null)
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{
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return;
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}
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Status = model.Status;
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DateImplement = model.DateImplement;
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}
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public OrderViewModel GetViewModel => new()
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{
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Id = Id,
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ProductId = ProductId,
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Count = Count,
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Sum = Sum,
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Status = Status,
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DateCreate = DateCreate,
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DateImplement = DateImplement,
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ProductName = Product.ProductName
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};
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}
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@ -0,0 +1,96 @@
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using ComputerHardwareStoreContracts.BindingModels;
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using ComputerHardwareStoreContracts.ViewModels;
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using ComputerHardwareStoreDataModels.Models;
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using Microsoft.EntityFrameworkCore;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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namespace ComputerHardwareStoreDatabaseImplement.Models
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{
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public class Product : IProductModel
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{
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public int Id { get; set; }
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[Required]
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public string Name { get; set; } = string.Empty;
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[Required]
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public double Price { get; set; }
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private Dictionary<int, (IComponentModel, int)>? _productComponents = null;
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[NotMapped]
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public Dictionary<int, (IComponentModel, int)> ProductComponents
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{
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get
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{
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if (_productComponents == null)
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{
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_productComponents = Components
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.ToDictionary(c => c.ComponentId, c =>
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(c.Component as IComponentModel, c.Count));
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}
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return _productComponents;
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}
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}
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[ForeignKey("ProductId")]
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public virtual List<ProductComponent> Components { get; set; } = new();
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[ForeignKey("ProductId")]
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public virtual List<Order> Orders { get; set; } = new();
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public static Product Create(ComputerHardwareStoreDBContext context, ProductBindingModel model)
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{
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return new Product()
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{
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Id = model.Id,
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Name = model.Name,
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Price = model.Price,
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Components = model.ProductComponents.Select(x =>
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new ProductComponent
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{
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Component = context.Components.First(y => y.Id == x.Key),
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Count = x.Value.Item2
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}).ToList()
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};
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}
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public void Update(ProductBindingModel model)
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{
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Name = string.IsNullOrEmpty(model.Name) ? Name : model.Name;
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Price = model.Price;
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}
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public ProductViewModel GetViewModel => new()
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{
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Id = Id,
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Name = Name,
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Price = Price,
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ProductComponents = ProductComponents
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};
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public static void UpdateComponents(ComputerHardwareStoreDBContext context, ProductBindingModel model)
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{
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var productComponents = context.ProductComponents
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.Where(pc => pc.ProductId == model.Id)
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.ToList();
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if (productComponents.Count != 0 && productComponents.Count > 0)
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{
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// удалили те, которых нет в модели
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context.ProductComponents
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.Where(pc => !model.ProductComponents.ContainsKey(pc.ComponentId))
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.ExecuteDelete();
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// обновили количество у существующих записей
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productComponents
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.ForEach(updateComponent =>
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{
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updateComponent.Count = model.ProductComponents[updateComponent.ComponentId].Item2;
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model.ProductComponents.Remove(updateComponent.ComponentId);
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});
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}
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// добавили новые
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context.ProductComponents
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.AddRange(model.ProductComponents.Values
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.Select(val => new ProductComponent()
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{
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ProductId = model.Id,
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ComponentId = val.Item1.Id,
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Count = val.Item2
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}));
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context.SaveChanges();
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}
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}
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}
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@ -0,0 +1,17 @@
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using System.ComponentModel.DataAnnotations;
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namespace ComputerHardwareStoreDatabaseImplement.Models
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{
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public class ProductComponent
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{
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public int Id { get; set; }
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[Required]
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public int ProductId { get; set; }
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[Required]
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public int ComponentId { get; set; }
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[Required]
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public int Count { get; set; }
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public virtual Component Component { get; set; } = new();
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public virtual Product Product { get; set; } = new();
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}
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}
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