Database implement

This commit is contained in:
the
2023-04-05 19:08:51 +04:00
parent 40fe6af205
commit e3a360bdec
9 changed files with 576 additions and 0 deletions

View File

@@ -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;
}
}
}

View File

@@ -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();
}
}

View File

@@ -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
};
}
}

View File

@@ -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
};
}
}