154 lines
5.0 KiB
C#
154 lines
5.0 KiB
C#
using IceCreamShopContracts.BindingModels;
|
||
using IceCreamShopContracts.SearchModels;
|
||
using IceCreamShopContracts.StoragesContracts;
|
||
using IceCreamShopContracts.ViewModels;
|
||
using IceCreamShopDatabaseImplement.Models;
|
||
using IceCreamShopDataModels.Models;
|
||
using Microsoft.EntityFrameworkCore;
|
||
using System;
|
||
using System.Collections.Generic;
|
||
using System.Linq;
|
||
using System.Text;
|
||
using System.Threading.Tasks;
|
||
|
||
namespace IceCreamShopDatabaseImplement.Implements
|
||
{
|
||
public class ShopStorage : IShopStorage
|
||
{
|
||
public ShopViewModel? Delete(ShopBindingModel model)
|
||
{
|
||
using var context = new IceCreamShopDataBase();
|
||
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 IceCreamShopDataBase();
|
||
return context.Shops
|
||
.Include(x => x.IceCreams)
|
||
.ThenInclude(x => x.IceCream)
|
||
.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 IceCreamShopDataBase();
|
||
return context.Shops
|
||
.Include(x => x.IceCreams)
|
||
.ThenInclude(x => x.IceCream)
|
||
.Select(x => x.GetViewModel)
|
||
.Where(x => x.ShopName.Contains(model.Name ?? string.Empty))
|
||
.ToList();
|
||
}
|
||
|
||
public List<ShopViewModel> GetFullList()
|
||
{
|
||
using var context = new IceCreamShopDataBase();
|
||
return context.Shops
|
||
.Include(x => x.IceCreams)
|
||
.ThenInclude(x => x.IceCream)
|
||
.Select(x => x.GetViewModel)
|
||
.ToList();
|
||
}
|
||
|
||
public ShopViewModel? Insert(ShopBindingModel model)
|
||
{
|
||
using var context = new IceCreamShopDataBase();
|
||
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 IceCreamShopDataBase();
|
||
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.UpdateIceCreams(context, model);
|
||
context.SaveChanges();
|
||
return shop.GetViewModel;
|
||
}
|
||
catch
|
||
{
|
||
throw;
|
||
}
|
||
}
|
||
public bool SellIceCreams(IIceCreamModel model, int count)
|
||
{
|
||
if (model == null)
|
||
return false;
|
||
using var context = new IceCreamShopDataBase();
|
||
using var transaction = context.Database.BeginTransaction();
|
||
List<ShopIceCream> lst = new List<ShopIceCream>();
|
||
foreach(var el in context.ShopIceCreams.Where(x => x.IceCreamId == 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.ShopIceCreams.Remove(el);
|
||
}
|
||
context.SaveChanges();
|
||
transaction.Commit();
|
||
return true;
|
||
}
|
||
}
|
||
}
|