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