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@ -17,5 +17,7 @@ namespace CarpentryWorkshopDatabaseImplement
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public virtual DbSet<Wood> Woods { set; get; }
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public virtual DbSet<WoodComponent> WoodComponents { set; get; }
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public virtual DbSet<Order> Orders { set; get; }
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}
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public virtual DbSet<Shop> Shops { get; set; }
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public virtual DbSet<ShopWood> ShopWoods { get; set; }
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}
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}
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@ -0,0 +1,148 @@
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using CarpentryWorkshopContracts.BindingModels;
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using CarpentryWorkshopContracts.SearchModels;
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using CarpentryWorkshopContracts.StoragesContracts;
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using CarpentryWorkshopContracts.ViewModels;
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using CarpentryWorkshopDatabaseImplement.Models;
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using CarpentryWorkshopDataModels.Models;
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using Microsoft.EntityFrameworkCore;
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namespace CarpentryWorkshopDatabaseImplement.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 CarpentryWorkshopDatabase();
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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.ShopName) && !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 CarpentryWorkshopDatabase();
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return context.Shops
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.Include(x => x.Woods)
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.ThenInclude(x => x.Wood)
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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.ShopName))
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{
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return new();
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}
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using var context = new CarpentryWorkshopDatabase();
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return context.Shops
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.Include(x => x.Woods)
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.ThenInclude(x => x.Wood)
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.Select(x => x.GetViewModel)
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.Where(x => x.ShopName.Contains(model.ShopName ?? 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 CarpentryWorkshopDatabase();
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return context.Shops
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.Include(x => x.Woods)
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.ThenInclude(x => x.Wood)
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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 CarpentryWorkshopDatabase();
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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 CarpentryWorkshopDatabase();
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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.UpdateWoods(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 SellWoods(IWoodModel 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 CarpentryWorkshopDatabase();
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using var transaction = context.Database.BeginTransaction();
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List<ShopWood> lst = new List<ShopWood>();
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foreach (var el in context.ShopWoods.Where(x => x.WoodId == model.Id))
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{
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int dif = count;
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if (el.Count < dif)
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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.ShopWoods.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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@ -0,0 +1,118 @@
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using CarpentryWorkshopContracts.BindingModels;
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using CarpentryWorkshopContracts.ViewModels;
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using CarpentryWorkshopDataModels.Models;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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namespace CarpentryWorkshopDatabaseImplement.Models
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{
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public class Shop : IShopModel
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{
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public int Id { get; set; }
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[Required]
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public string ShopName { get; set; } = string.Empty;
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[Required]
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public string Address { get; set; } = string.Empty;
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[Required]
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public DateTime DateOpen { get; set; }
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[Required]
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public int WoodMaxCount { get; set; }
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[ForeignKey("ShopId")]
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public List<ShopWood> Woods { get; set; } = new();
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private Dictionary<int, (IWoodModel, int)>? _shopWoods = null;
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[NotMapped]
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public Dictionary<int, (IWoodModel, int)> ShopWoods
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{
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get
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{
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if (_shopWoods == null)
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{
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_shopWoods = Woods
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.ToDictionary(x => x.WoodId, x =>
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(x.Wood as IWoodModel, x.Count));
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}
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return _shopWoods;
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}
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}
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public static Shop? Create(CarpentryWorkshopDatabase context, ShopBindingModel model)
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{
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if (model == null)
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return null;
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return new Shop()
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{
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Id = model.Id,
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ShopName = model.ShopName,
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Address = model.Address,
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DateOpen = model.DateOpen,
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WoodMaxCount = model.WoodMaxCount,
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Woods = model.ShopWoods.Select(x => new ShopWood
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{
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Wood = context.Woods.First(y => y.Id == x.Key),
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Count = x.Value.Item2
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}).ToList()
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};
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}
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public void Update(ShopBindingModel? model)
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{
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if (model == null)
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{
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return;
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}
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ShopName = model.ShopName;
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Address = model.Address;
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DateOpen = model.DateOpen;
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WoodMaxCount = model.WoodMaxCount;
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}
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public ShopViewModel GetViewModel => new()
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{
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Id = Id,
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ShopName = ShopName,
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Address = Address,
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DateOpen = DateOpen,
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ShopWoods = ShopWoods,
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WoodMaxCount = WoodMaxCount
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};
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public void UpdateWoods(CarpentryWorkshopDatabase context,
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ShopBindingModel model)
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{
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var shopWoods = context.ShopWoods.Where(rec =>
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rec.ShopId == model.Id).ToList();
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if (shopWoods != null && shopWoods.Count > 0)
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{
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context.ShopWoods.RemoveRange(shopWoods.Where(rec => !model.ShopWoods.ContainsKey(rec.WoodId)));
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context.SaveChanges();
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foreach (var updateWood in shopWoods)
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{
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updateWood.Count =
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model.ShopWoods[updateWood.WoodId].Item2;
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model.ShopWoods.Remove(updateWood.WoodId);
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}
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context.SaveChanges();
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}
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var shop = context.Shops.First(x => x.Id == Id);
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foreach (var pc in model.ShopWoods)
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{
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context.ShopWoods.Add(new ShopWood
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{
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Shop = shop,
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Wood = context.Woods.First(x => x.Id == pc.Key),
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Count = pc.Value.Item2
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});
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context.SaveChanges();
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}
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_shopWoods = null;
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}
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}
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}
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@ -0,0 +1,27 @@
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using System;
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using System.Collections.Generic;
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using System.ComponentModel.DataAnnotations;
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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 CarpentryWorkshopDatabaseImplement.Models
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{
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public class ShopWood
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{
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public int Id { get; set; }
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[Required]
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public int WoodId { get; set; }
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[Required]
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public int ShopId { get; set; }
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[Required]
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public int Count { get; set; }
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public virtual Shop Shop { get; set; } = new();
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public virtual Wood Wood { get; set; } = new();
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}
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}
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@ -33,8 +33,10 @@ namespace CarpentryWorkshopDatabaseImplement.Models
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public virtual List<WoodComponent> Components { get; set; } = new();
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[ForeignKey("WoodId")]
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public virtual List<Order> Orders { get; set; } = new();
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[ForeignKey("WoodId")]
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public virtual List<ShopWood> ShopWoods { get; set; } = new();
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public static Wood? Create(CarpentryWorkshopDatabase context, WoodBindingModel model)
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public static Wood? Create(CarpentryWorkshopDatabase context, WoodBindingModel model)
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{
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var components = context.Components;
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return new Wood()
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