PIbd-21. Yaruskin S.A. Lab Work 03 hard #12

Closed
Salikh wants to merge 10 commits from lab3-hard into laba2-hard
20 changed files with 1031 additions and 1 deletions
Showing only changes of commit 753221f81e - Show all commits

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@ -15,6 +15,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "MotorPlantBusinessLogic", "
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MotorPlantFileImplement", "MotorPlantFileImplement\MotorPlantFileImplement.csproj", "{183138D6-8EC0-46FD-9B1B-03DBCFEDD7F4}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "MotorPlantDatabaseImplement", "MotorPlantDatabaseImplement\MotorPlantDatabaseImplement.csproj", "{30979D82-B5E7-470E-8083-1207FE9ADA5C}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@ -45,6 +47,10 @@ Global
{183138D6-8EC0-46FD-9B1B-03DBCFEDD7F4}.Debug|Any CPU.Build.0 = Debug|Any CPU
{183138D6-8EC0-46FD-9B1B-03DBCFEDD7F4}.Release|Any CPU.ActiveCfg = Release|Any CPU
{183138D6-8EC0-46FD-9B1B-03DBCFEDD7F4}.Release|Any CPU.Build.0 = Release|Any CPU
{30979D82-B5E7-470E-8083-1207FE9ADA5C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{30979D82-B5E7-470E-8083-1207FE9ADA5C}.Debug|Any CPU.Build.0 = Debug|Any CPU
{30979D82-B5E7-470E-8083-1207FE9ADA5C}.Release|Any CPU.ActiveCfg = Release|Any CPU
{30979D82-B5E7-470E-8083-1207FE9ADA5C}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE

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@ -8,6 +8,7 @@
<ItemGroup>
<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
</ItemGroup>
<ItemGroup>

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@ -6,6 +6,10 @@
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\MotorPlantDataModels\MotorPlantDataModels.csproj" />
</ItemGroup>

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@ -6,4 +6,8 @@
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
</ItemGroup>
</Project>

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@ -0,0 +1,71 @@
using MotorPlantContracts.BindingModels;
using MotorPlantContracts.SearchModels;
using MotorPlantContracts.StoragesContracts;
using MotorPlantContracts.ViewModels;
using MotorPlantDatabaseImplement.Models;
namespace MotorPlantDatabaseImplement.Implements
{
public class ComponentStorage : IComponentStorage
{
public List<ComponentViewModel> GetFullList()
{
using var context = new MotorPlantDatabase();
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 MotorPlantDatabase();
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 MotorPlantDatabase();
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 MotorPlantDatabase();
context.Components.Add(newComponent);
context.SaveChanges();
return newComponent.GetViewModel;
}
public ComponentViewModel? Update(ComponentBindingModel model)
{
using var context = new MotorPlantDatabase();
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 MotorPlantDatabase();
var element = context.Components.FirstOrDefault(rec => rec.Id == model.Id);
if (element == null)
{
return null;
}
context.Components.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
}
}

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@ -0,0 +1,89 @@
using Microsoft.EntityFrameworkCore;
using MotorPlantContracts.BindingModels;
using MotorPlantContracts.SearchModels;
using MotorPlantContracts.StoragesContracts;
using MotorPlantContracts.ViewModels;
using MotorPlantDatabaseImplement.Models;
namespace MotorPlantDatabaseImplement.Implements
{
public class EngineStorage : IEngineStorage
{
public List<EngineViewModel> GetFullList()
{
using var context = new MotorPlantDatabase();
return context.Engines.Include(x => x.Components).ThenInclude(x => x.Component).ToList().Select(x => x.GetViewModel).ToList();
}
public List<EngineViewModel> GetFilteredList(EngineSearchModel model)
{
if (string.IsNullOrEmpty(model.EngineName))
{
return new();
}
using var context = new MotorPlantDatabase();
return context.Engines.Include(x => x.Components).ThenInclude(x => x.Component).Where(x => x.EngineName.Contains(model.EngineName)).ToList().Select(x => x.GetViewModel).ToList();
}
public EngineViewModel? GetElement(EngineSearchModel model)
{
if (string.IsNullOrEmpty(model.EngineName) &&
!model.Id.HasValue)
{
return null;
}
using var context = new MotorPlantDatabase();
return context.Engines.Include(x => x.Components).ThenInclude(x => x.Component)
.FirstOrDefault(x => (!string.IsNullOrEmpty(model.EngineName) && x.EngineName == model.EngineName) || (model.Id.HasValue && x.Id == model.Id))?.GetViewModel;
}
public EngineViewModel? Insert(EngineBindingModel model)
{
using var context = new MotorPlantDatabase();
var newEngine = Engine.Create(context, model);
if (newEngine == null)
{
return null;
}
context.Engines.Add(newEngine);
context.SaveChanges();
return newEngine.GetViewModel;
}
public EngineViewModel? Update(EngineBindingModel model)
{
using var context = new MotorPlantDatabase();
using var transaction = context.Database.BeginTransaction();
try
{
var engine = context.Engines.FirstOrDefault(rec =>
rec.Id == model.Id);
if (engine == null)
{
return null;
}
engine.Update(model);
context.SaveChanges();
engine.UpdateComponents(context, model);
transaction.Commit();
return engine.GetViewModel;
}
catch
{
transaction.Rollback();
throw;
}
}
public EngineViewModel? Delete(EngineBindingModel model)
{
using var context = new MotorPlantDatabase();
var element = context.Engines
.Include(x => x.Components)
.FirstOrDefault(rec => rec.Id == model.Id);
if (element != null)
{
context.Engines.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
return null;
}
}
}

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@ -0,0 +1,88 @@
using Microsoft.EntityFrameworkCore;
using MotorPlantContracts.BindingModels;
using MotorPlantContracts.SearchModels;
using MotorPlantContracts.StoragesContracts;
using MotorPlantContracts.ViewModels;
using MotorPlantDatabaseImplement.Models;
namespace MotorPlantDatabaseImplement.Implements
{
public class OrderStorage : IOrderStorage
{
public List<OrderViewModel> GetFullList()
{
using var context = new MotorPlantDatabase();
return context.Orders.Include(x => x.Engine).Select(x => x.GetViewModel).ToList();
}
public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
{
if (!model.Id.HasValue)
{
return new();
}
using var context = new MotorPlantDatabase();
return context.Orders
.Include(x => x.Engine)
.Where(x => x.Id == model.Id)
.Select(x => x.GetViewModel)
.ToList();
}
public OrderViewModel? GetElement(OrderSearchModel model)
{
if (!model.Id.HasValue)
{
return null;
}
using var context = new MotorPlantDatabase();
return context.Orders.Include(x => x.Engine)
.FirstOrDefault(x => x.Id == model.Id)?.GetViewModel;
}
public OrderViewModel? Insert(OrderBindingModel model)
{
var newOrder = Order.Create(model);
if (newOrder == null)
{
return null;
}
using var context = new MotorPlantDatabase();
context.Orders.Add(newOrder);
context.SaveChanges();
return context.Orders
.Include(x => x.Engine)
.FirstOrDefault(x => x.Id == newOrder.Id)
?.GetViewModel;
}
public OrderViewModel? Update(OrderBindingModel model)
{
using var context = new MotorPlantDatabase();
var order = context.Orders.FirstOrDefault(x => x.Id == model.Id);
if (order == null)
{
return null;
}
order.Update(model);
context.SaveChanges();
return context.Orders
.Include(x => x.Engine)
.FirstOrDefault(x => x.Id == model.Id)
?.GetViewModel;
}
public OrderViewModel? Delete(OrderBindingModel model)
{
using var context = new MotorPlantDatabase();
var element = context.Orders.FirstOrDefault(rec => rec.Id == model.Id);
if (element != null)
{
var deletedElement = context.Orders
.Include(x => x.Engine)
.FirstOrDefault(x => x.Id == model.Id)
?.GetViewModel;
context.Orders.Remove(element);
context.SaveChanges();
return deletedElement;
}
return null;
}
}
}

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@ -0,0 +1,171 @@
// <auto-generated />
using System;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Migrations;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
using MotorPlantDatabaseImplement;
using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
#nullable disable
namespace MotorPlantDatabaseImplement.Migrations
{
[DbContext(typeof(MotorPlantDatabase))]
[Migration("20240403225731_InitMigration")]
partial class InitMigration
{
/// <inheritdoc />
protected override void BuildTargetModel(ModelBuilder modelBuilder)
{
#pragma warning disable 612, 618
modelBuilder
.HasAnnotation("ProductVersion", "7.0.16")
.HasAnnotation("Relational:MaxIdentifierLength", 63);
NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.Component", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("integer");
NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
b.Property<string>("ComponentName")
.IsRequired()
.HasColumnType("text");
b.Property<double>("Cost")
.HasColumnType("double precision");
b.HasKey("Id");
b.ToTable("Components");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.Engine", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("integer");
NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
b.Property<string>("EngineName")
.IsRequired()
.HasColumnType("text");
b.Property<double>("Price")
.HasColumnType("double precision");
b.HasKey("Id");
b.ToTable("Engines");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.EngineComponent", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("integer");
NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
b.Property<int>("ComponentId")
.HasColumnType("integer");
b.Property<int>("Count")
.HasColumnType("integer");
b.Property<int>("EngineId")
.HasColumnType("integer");
b.HasKey("Id");
b.HasIndex("ComponentId");
b.HasIndex("EngineId");
b.ToTable("EngineComponents");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.Order", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("integer");
NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
b.Property<int>("Count")
.HasColumnType("integer");
b.Property<DateTime>("DateCreate")
.HasColumnType("timestamp without time zone");
b.Property<DateTime?>("DateImplement")
.HasColumnType("timestamp without time zone");
b.Property<int>("EngineId")
.HasColumnType("integer");
b.Property<int>("Status")
.HasColumnType("integer");
b.Property<double>("Sum")
.HasColumnType("double precision");
b.HasKey("Id");
b.HasIndex("EngineId");
b.ToTable("Orders");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.EngineComponent", b =>
{
b.HasOne("MotorPlantDatabaseImplement.Models.Component", "Component")
.WithMany("EngineComponents")
.HasForeignKey("ComponentId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.HasOne("MotorPlantDatabaseImplement.Models.Engine", "Engine")
.WithMany("Components")
.HasForeignKey("EngineId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.Navigation("Component");
b.Navigation("Engine");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.Order", b =>
{
b.HasOne("MotorPlantDatabaseImplement.Models.Engine", "Engine")
.WithMany("Orders")
.HasForeignKey("EngineId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.Navigation("Engine");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.Component", b =>
{
b.Navigation("EngineComponents");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.Engine", b =>
{
b.Navigation("Components");
b.Navigation("Orders");
});
#pragma warning restore 612, 618
}
}
}

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@ -0,0 +1,126 @@
using System;
using Microsoft.EntityFrameworkCore.Migrations;
using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
#nullable disable
namespace MotorPlantDatabaseImplement.Migrations
{
/// <inheritdoc />
public partial class InitMigration : Migration
{
/// <inheritdoc />
protected override void Up(MigrationBuilder migrationBuilder)
{
migrationBuilder.CreateTable(
name: "Components",
columns: table => new
{
Id = table.Column<int>(type: "integer", nullable: false)
.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
ComponentName = table.Column<string>(type: "text", nullable: false),
Cost = table.Column<double>(type: "double precision", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_Components", x => x.Id);
});
migrationBuilder.CreateTable(
name: "Engines",
columns: table => new
{
Id = table.Column<int>(type: "integer", nullable: false)
.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
EngineName = table.Column<string>(type: "text", nullable: false),
Price = table.Column<double>(type: "double precision", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_Engines", x => x.Id);
});
migrationBuilder.CreateTable(
name: "EngineComponents",
columns: table => new
{
Id = table.Column<int>(type: "integer", nullable: false)
.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
EngineId = table.Column<int>(type: "integer", nullable: false),
ComponentId = table.Column<int>(type: "integer", nullable: false),
Count = table.Column<int>(type: "integer", nullable: false)
},
constraints: table =>
{
table.PrimaryKey("PK_EngineComponents", x => x.Id);
table.ForeignKey(
name: "FK_EngineComponents_Components_ComponentId",
column: x => x.ComponentId,
principalTable: "Components",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
table.ForeignKey(
name: "FK_EngineComponents_Engines_EngineId",
column: x => x.EngineId,
principalTable: "Engines",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
});
migrationBuilder.CreateTable(
name: "Orders",
columns: table => new
{
Id = table.Column<int>(type: "integer", nullable: false)
.Annotation("Npgsql:ValueGenerationStrategy", NpgsqlValueGenerationStrategy.IdentityByDefaultColumn),
EngineId = table.Column<int>(type: "integer", nullable: false),
Count = table.Column<int>(type: "integer", nullable: false),
Sum = table.Column<double>(type: "double precision", nullable: false),
Status = table.Column<int>(type: "integer", nullable: false),
DateCreate = table.Column<DateTime>(type: "timestamp without time zone", nullable: false),
DateImplement = table.Column<DateTime>(type: "timestamp without time zone", nullable: true)
},
constraints: table =>
{
table.PrimaryKey("PK_Orders", x => x.Id);
table.ForeignKey(
name: "FK_Orders_Engines_EngineId",
column: x => x.EngineId,
principalTable: "Engines",
principalColumn: "Id",
onDelete: ReferentialAction.Cascade);
});
migrationBuilder.CreateIndex(
name: "IX_EngineComponents_ComponentId",
table: "EngineComponents",
column: "ComponentId");
migrationBuilder.CreateIndex(
name: "IX_EngineComponents_EngineId",
table: "EngineComponents",
column: "EngineId");
migrationBuilder.CreateIndex(
name: "IX_Orders_EngineId",
table: "Orders",
column: "EngineId");
}
/// <inheritdoc />
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropTable(
name: "EngineComponents");
migrationBuilder.DropTable(
name: "Orders");
migrationBuilder.DropTable(
name: "Components");
migrationBuilder.DropTable(
name: "Engines");
}
}
}

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@ -0,0 +1,168 @@
// <auto-generated />
using System;
using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Infrastructure;
using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
using MotorPlantDatabaseImplement;
using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
#nullable disable
namespace MotorPlantDatabaseImplement.Migrations
{
[DbContext(typeof(MotorPlantDatabase))]
partial class MotorPlantDatabaseModelSnapshot : ModelSnapshot
{
protected override void BuildModel(ModelBuilder modelBuilder)
{
#pragma warning disable 612, 618
modelBuilder
.HasAnnotation("ProductVersion", "7.0.16")
.HasAnnotation("Relational:MaxIdentifierLength", 63);
NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.Component", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("integer");
NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
b.Property<string>("ComponentName")
.IsRequired()
.HasColumnType("text");
b.Property<double>("Cost")
.HasColumnType("double precision");
b.HasKey("Id");
b.ToTable("Components");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.Engine", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("integer");
NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
b.Property<string>("EngineName")
.IsRequired()
.HasColumnType("text");
b.Property<double>("Price")
.HasColumnType("double precision");
b.HasKey("Id");
b.ToTable("Engines");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.EngineComponent", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("integer");
NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
b.Property<int>("ComponentId")
.HasColumnType("integer");
b.Property<int>("Count")
.HasColumnType("integer");
b.Property<int>("EngineId")
.HasColumnType("integer");
b.HasKey("Id");
b.HasIndex("ComponentId");
b.HasIndex("EngineId");
b.ToTable("EngineComponents");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.Order", b =>
{
b.Property<int>("Id")
.ValueGeneratedOnAdd()
.HasColumnType("integer");
NpgsqlPropertyBuilderExtensions.UseIdentityByDefaultColumn(b.Property<int>("Id"));
b.Property<int>("Count")
.HasColumnType("integer");
b.Property<DateTime>("DateCreate")
.HasColumnType("timestamp without time zone");
b.Property<DateTime?>("DateImplement")
.HasColumnType("timestamp without time zone");
b.Property<int>("EngineId")
.HasColumnType("integer");
b.Property<int>("Status")
.HasColumnType("integer");
b.Property<double>("Sum")
.HasColumnType("double precision");
b.HasKey("Id");
b.HasIndex("EngineId");
b.ToTable("Orders");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.EngineComponent", b =>
{
b.HasOne("MotorPlantDatabaseImplement.Models.Component", "Component")
.WithMany("EngineComponents")
.HasForeignKey("ComponentId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.HasOne("MotorPlantDatabaseImplement.Models.Engine", "Engine")
.WithMany("Components")
.HasForeignKey("EngineId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.Navigation("Component");
b.Navigation("Engine");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.Order", b =>
{
b.HasOne("MotorPlantDatabaseImplement.Models.Engine", "Engine")
.WithMany("Orders")
.HasForeignKey("EngineId")
.OnDelete(DeleteBehavior.Cascade)
.IsRequired();
b.Navigation("Engine");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.Component", b =>
{
b.Navigation("EngineComponents");
});
modelBuilder.Entity("MotorPlantDatabaseImplement.Models.Engine", b =>
{
b.Navigation("Components");
b.Navigation("Orders");
});
#pragma warning restore 612, 618
}
}
}

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@ -0,0 +1,56 @@
using MotorPlantDataModels.Models;
using System.ComponentModel.DataAnnotations.Schema;
using System.ComponentModel.DataAnnotations;
using MotorPlantContracts.BindingModels;
using MotorPlantContracts.ViewModels;
namespace MotorPlantDatabaseImplement.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<EngineComponent> EngineComponents { 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
};
}
}

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@ -0,0 +1,87 @@
using MotorPlantContracts.BindingModels;
using MotorPlantContracts.ViewModels;
using MotorPlantDataModels.Models;
using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
namespace MotorPlantDatabaseImplement.Models
{
public class Engine : IEngineModel
{
public int Id { get; set; }
[Required]
public string EngineName { get; set; } = string.Empty;
[Required]
public double Price { get; set; }
private Dictionary<int, (IComponentModel, int)>? _engineComponents = null;
[NotMapped]
public Dictionary<int, (IComponentModel, int)> EngineComponents
{
get
{
if (_engineComponents == null)
{
_engineComponents = Components.ToDictionary(recDC => recDC.ComponentId, recDC => (recDC.Component as IComponentModel, recDC.Count));
}
return _engineComponents;
}
}
[ForeignKey("EngineId")]
public virtual List<EngineComponent> Components { get; set; } = new();
[ForeignKey("EngineId")]
public virtual List<Order> Orders { get; set; } = new();
public static Engine Create(MotorPlantDatabase context, EngineBindingModel model)
{
return new Engine()
{
Id = model.Id,
EngineName = model.EngineName,
Price = model.Price,
Components = model.EngineComponents.Select(x => new EngineComponent
{
Component = context.Components.First(y => y.Id == x.Key),
Count = x.Value.Item2
}).ToList()
};
}
public void Update(EngineBindingModel model)
{
EngineName = model.EngineName;
Price = model.Price;
}
public EngineViewModel GetViewModel => new()
{
Id = Id,
EngineName = EngineName,
Price = Price,
EngineComponents = EngineComponents
};
public void UpdateComponents(MotorPlantDatabase context, EngineBindingModel model)
{
var engineComponents = context.EngineComponents.Where(rec => rec.EngineId == model.Id).ToList();
if (engineComponents != null && engineComponents.Count > 0)
{
context.EngineComponents.RemoveRange(engineComponents.Where(rec => !model.EngineComponents.ContainsKey(rec.ComponentId)));
context.SaveChanges();
foreach (var updateComponent in engineComponents)
{
updateComponent.Count = model.EngineComponents[updateComponent.ComponentId].Item2;
model.EngineComponents.Remove(updateComponent.ComponentId);
}
context.SaveChanges();
}
var engine = context.Engines.First(x => x.Id == Id);
foreach (var pc in model.EngineComponents)
{
context.EngineComponents.Add(new EngineComponent
{
Engine = engine,
Component = context.Components.First(x => x.Id == pc.Key),
Count = pc.Value.Item2
});
context.SaveChanges();
}
_engineComponents = null;
}
}
}

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@ -0,0 +1,22 @@
using System.ComponentModel.DataAnnotations;
namespace MotorPlantDatabaseImplement.Models
{
public class EngineComponent
{
public int Id { get; set; }
[Required]
public int EngineId { get; set; }
[Required]
public int ComponentId { get; set; }
[Required]
public int Count { get; set; }
public virtual Component Component { get; set; } = new();
public virtual Engine Engine { get; set; } = new();
}
}

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@ -0,0 +1,72 @@
using MotorPlantContracts.BindingModels;
using MotorPlantContracts.ViewModels;
using MotorPlantDataModels.Enums;
using MotorPlantDataModels.Models;
using System.ComponentModel.DataAnnotations;
namespace MotorPlantDatabaseImplement.Models
{
public class Order : IOrderModel
{
public int Id { get; private set; }
[Required]
public int EngineId { get; private set; }
[Required]
public int Count { get; private set; }
[Required]
public double Sum { get; private set; }
[Required]
public OrderStatus Status { get; private set; }
[Required]
public DateTime DateCreate { get; private set; } = DateTime.Now;
public DateTime? DateImplement { get; private set; }
public virtual Engine Engine { get; set; }
public static Order? Create(OrderBindingModel? model)
{
if (model == null)
{
return null;
}
return new Order()
{
Id = model.Id,
EngineId = model.EngineId,
Count = model.Count,
Sum = model.Sum,
Status = model.Status,
DateCreate = model.DateCreate,
DateImplement = model.DateImplement
};
}
public void Update(OrderBindingModel model)
{
if (model == null)
{
return;
}
Status = model.Status;
DateImplement = model.DateImplement;
}
public OrderViewModel GetViewModel => new()
{
Id = Id,
EngineId = EngineId,
Count = Count,
Sum = Sum,
Status = Status,
DateCreate = DateCreate,
DateImplement = DateImplement,
EngineName = Engine.EngineName
};
}
}

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@ -0,0 +1,23 @@
using MotorPlantDatabaseImplement.Models;
using Microsoft.EntityFrameworkCore;
namespace MotorPlantDatabaseImplement
{
public class MotorPlantDatabase : DbContext
{
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
if (optionsBuilder.IsConfigured == false)
{
optionsBuilder.UseNpgsql(@"Host=localhost;Port=5432;Database=MotorPlant_db;Username=postgres;Password=admin");
}
base.OnConfiguring(optionsBuilder);
AppContext.SetSwitch("Npgsql.EnableLegacyTimestampBehavior", true);
AppContext.SetSwitch("Npgsql.DisableDateTimeInfinityConversions", true);
}
public virtual DbSet<Component> Components { get; set; }
public virtual DbSet<Engine> Engines { get; set; }
public virtual DbSet<EngineComponent> EngineComponents { get; set; }
public virtual DbSet<Order> Orders { get; set; }
}
}

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@ -0,0 +1,28 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net6.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.EntityFrameworkCore" Version="7.0.16" />
<PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="7.0.16" />
<PackageReference Include="Microsoft.EntityFrameworkCore.Tools" Version="7.0.16">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>
<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\MotorPlantContracts\MotorPlantContracts.csproj" />
<ProjectReference Include="..\MotorPlantDataModels\MotorPlantDataModels.csproj" />
</ItemGroup>
<ItemGroup>
<Folder Include="Implements\" />
</ItemGroup>
</Project>

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@ -6,6 +6,10 @@
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\MotorPlantContracts\MotorPlantContracts.csproj" />
<ProjectReference Include="..\MotorPlantDataModels\MotorPlantDataModels.csproj" />

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@ -6,6 +6,10 @@
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\MotorPlantContracts\MotorPlantContracts.csproj" />
<ProjectReference Include="..\MotorPlantDataModels\MotorPlantDataModels.csproj" />

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@ -19,15 +19,21 @@
</ItemGroup>
<ItemGroup>
<PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="7.0.3">
<PrivateAssets>all</PrivateAssets>
<IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
</PackageReference>
<PackageReference Include="Microsoft.Extensions.Configuration" Version="8.0.0" />
<PackageReference Include="Microsoft.Extensions.DependencyInjection" Version="8.0.0" />
<PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="8.0.0" />
<PackageReference Include="NLog.Extensions.Logging" Version="5.3.8" />
<PackageReference Include="Npgsql.EntityFrameworkCore.PostgreSQL" Version="7.0.11" />
</ItemGroup>
<ItemGroup>
<ProjectReference Include="..\MotorPlantBusinessLogic\MotorPlantBusinessLogic.csproj" />
<ProjectReference Include="..\MotorPlantContracts\MotorPlantContracts.csproj" />
<ProjectReference Include="..\MotorPlantDatabaseImplement\MotorPlantDatabaseImplement.csproj" />
<ProjectReference Include="..\MotorPlantFileImplement\MotorPlantFileImplement.csproj" />
<ProjectReference Include="..\MotorPlantListImplement\MotorPlantListImplement.csproj" />
</ItemGroup>

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@ -1,7 +1,7 @@
using MotorPlantView.Forms;
using MotorPlantContracts.BusinessLogicsContracts;
using MotorPlantContracts.StoragesContracts;
using MotorPlantFileImplement.Implements;
using MotorPlantDatabaseImplement.Implements;
using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Logging;
using NLog.Extensions.Logging;