PIbd-23-Yunusov-N.N.-CarRep.../CarRepairShop/CarRepairShopDatabaseImplement/Implements/ShopStorage.cs
2024-03-27 16:35:29 +04:00

153 lines
4.9 KiB
C#
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using CarRepairShopContracts.BindingModels;
using CarRepairShopContracts.SearchModels;
using CarRepairShopContracts.StoragesContracts;
using CarRepairShopContracts.ViewModels;
using CarRepairShopDatabaseImplement.Models;
using CarRepairShopDataModels.Models;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace CarRepairShopDatabaseImplement.Implements
{
public class ShopStorage : IShopStorage
{
public ShopViewModel? Delete(ShopBindingModel model)
{
using var context = new RepairsShopDatabase();
var element = context.Shops.FirstOrDefault(x => x.Id == model.Id);
if (element != null)
{
context.Shops.Remove(element);
context.SaveChanges();
return element.GetViewModel;
}
return null;
}
public ShopViewModel? GetElement(ShopSearchModel model)
{
if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
{
return null;
}
using var context = new RepairsShopDatabase();
return context.Shops
.Include(x => x.Repairs)
.ThenInclude(x => x.Repair)
.FirstOrDefault(x => model.Id.HasValue && x.Id == model.Id)
?.GetViewModel;
}
public List<ShopViewModel> GetFilteredList(ShopSearchModel model)
{
if (string.IsNullOrEmpty(model.Name))
{
return new();
}
using var context = new RepairsShopDatabase();
return context.Shops
.Include(x => x.Repairs)
.ThenInclude(x => x.Repair)
.Select(x => x.GetViewModel)
.Where(x => x.ShopName.Contains(model.Name ?? string.Empty))
.ToList();
}
public List<ShopViewModel> GetFullList()
{
using var context = new RepairsShopDatabase();
return context.Shops
.Include(x => x.Repairs)
.ThenInclude(x => x.Repair)
.Select(x => x.GetViewModel)
.ToList();
}
public ShopViewModel? Insert(ShopBindingModel model)
{
using var context = new RepairsShopDatabase();
try
{
var newShop = Shop.Create(context, model);
if (newShop == null)
{
return null;
}
if (context.Shops.Any(x => x.ShopName == newShop.ShopName))
{
throw new Exception("Не должно быть два магазина с одним названием");
}
context.Shops.Add(newShop);
context.SaveChanges();
return newShop.GetViewModel;
}
catch
{
throw;
}
}
public ShopViewModel? Update(ShopBindingModel model)
{
using var context = new RepairsShopDatabase();
var shop = context.Shops.FirstOrDefault(x => x.Id == model.Id);
if (shop == null)
{
return null;
}
try
{
if (context.Shops.Any(x => (x.ShopName == model.ShopName && x.Id != model.Id)))
{
throw new Exception("Не должно быть два магазина с одним названием");
}
shop.Update(model);
shop.UpdateRepairs(context, model);
context.SaveChanges();
return shop.GetViewModel;
}
catch
{
throw;
}
}
public bool SellRepairs(IRepairModel model, int count)
{
if (model == null)
return false;
using var context = new RepairsShopDatabase();
using var transaction = context.Database.BeginTransaction();
List<ShopRepair> lst = new List<ShopRepair>();
foreach (var el in context.ShopRepairs.Where(x => x.RepairId == model.Id))
{
int dif = count;
if (el.Count < dif) dif = el.Count;
el.Count -= dif;
count -= dif;
if (el.Count == 0)
{
lst.Add(el);
}
if (count == 0)
break;
}
if (count > 0)
{
transaction.Rollback();
return false;
}
foreach (var el in lst)
{
context.ShopRepairs.Remove(el);
}
context.SaveChanges();
transaction.Commit();
return true;
}
}
}