созданы модели

LawFirm/LawFirmDatabaseImplement/Implements/ShopStorage.cs

@@ -0,0 +1,109 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.SearchModels;
+using LawFirmContracts.StorageContracts;
+using LawFirmContracts.ViewModels;
+using LawFirmDatabaseImplement.Models;
+using LawFirmDataModels.Models;
+using Microsoft.EntityFrameworkCore;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LawFirmDatabaseImplement.Implements
+{
+    public class ShopStorage : IShopStorage
+    {
+        public ShopViewModel? GetElement(ShopSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue)
+            {
+                return new();
+            }
+            using var context = new LawFirmDatabase();
+            return context.Shops.Include(x => x.Documents).ThenInclude(x => x.Document).FirstOrDefault(x =>
+                (!string.IsNullOrEmpty(model.Name) && x.Name == model.Name) ||
+                (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 LawFirmDatabase();
+            return context.Shops.Include(x => x.Documents).ThenInclude(x => x.Document).Where(x => x.Name.Contains(model.Name)).ToList().Select(x => x.GetViewModel).ToList();
+        }
+
+        public List<ShopViewModel> GetFullList()
+        {
+            using var context = new LawFirmDatabase();
+            return context.Shops.Include(x => x.Documents).ThenInclude(x => x.Document).ToList().Select(x => x.GetViewModel).ToList();
+        }
+
+        public ShopViewModel? Insert(ShopBindingModel model)
+        {
+            using var context = new LawFirmDatabase();
+            var newShop = Shop.Create(context, model);
+            if (newShop == null)
+            {
+                return null;
+            }
+
+            if (context.Shops.Any(x => x.Name == newShop.Name))
+            {
+                throw new Exception("Название магазина уже занято");
+            }
+
+            context.Shops.Add(newShop);
+            context.SaveChanges();
+            return newShop.GetViewModel;
+        }
+
+        public ShopViewModel? Update(ShopBindingModel model)
+        {
+            using var context = new LawFirmDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var shop = context.Shops.FirstOrDefault(x => x.Id == model.Id);
+                if (shop == null)
+                {
+                    return null;
+                }
+                shop.Update(model);
+                context.SaveChanges();
+                shop.UpdateDocuments(context, model);
+                transaction.Commit();
+                return shop.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public ShopViewModel? Delete(ShopBindingModel model)
+        {
+            using var context = new LawFirmDatabase();
+            var shop = context.Shops.Include(x => x.Documents).FirstOrDefault(x => x.Id == model.Id);
+            if (shop != null)
+            {
+                context.Shops.Remove(shop);
+                context.SaveChanges();
+                return shop.GetViewModel;
+            }
+            return null;
+        }
+
+        public bool SellDocument(IDocumentModel model, int count)
+        {
+            using var context = new LawFirmDatabase();
+            using var transaction = context.Database.BeginTransaction();
+
+        }
+
+    }
+}

LawFirm/LawFirmDatabaseImplement/LawFirmDatabase.cs

@@ -23,6 +23,8 @@ namespace LawFirmDatabaseImplement
         public virtual DbSet<Document> Documents { set; get; }
         public virtual DbSet<DocumentBlank> DocumentBlanks { set; get; }
         public virtual DbSet<Order> Orders { set; get; }
+        public virtual DbSet<Shop> Shops { set; get; }
+        public virtual DbSet<ShopDocument> ShopDocuments { set; get; }
 
     }
 }

LawFirm/LawFirmDatabaseImplement/Models/Shop.cs

@@ -0,0 +1,113 @@
+using LawFirmContracts.BindingModels;
+using LawFirmContracts.ViewModels;
+using LawFirmDataModels.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 LawFirmDatabaseImplement.Models
+{
+    public class Shop : IShopModel
+    {
+        public int Id { get; set; }
+        [Required]
+        public string Name { get; set; } = string.Empty;
+
+        [Required]
+        public string Adress { get; set; } = string.Empty;
+
+        [Required]
+        public DateTime OpeningDate { get; set; }
+
+        [ForeignKey("ShopId")]
+        public List<ShopDocument> Documents { get; set; } = new();
+
+        private Dictionary<int, (IDocumentModel, int)>? _shopDocuments = null;
+
+        [NotMapped]
+        public Dictionary<int, (IDocumentModel, int)> ShopDocuments
+        {
+            get
+            {
+                if (_shopDocuments == null)
+                {
+                    _shopDocuments = Documents.ToDictionary(recPC => recPC.DocumentId, recPC => (recPC.Document as IDocumentModel, recPC.Count));
+                }
+                return _shopDocuments;
+            }
+        }
+
+        [Required]
+        public int MaxCountDocuments { get; set; }
+
+        public static Shop Create(LawFirmDatabase context, ShopBindingModel model)
+        {
+            return new Shop()
+            {
+                Id = model.Id,
+                Name = model.Name,
+                Adress = model.Adress,
+                OpeningDate = model.OpeningDate,
+                Documents = model.ShopDocuments.Select(x => new ShopDocument
+                {
+                    Document = context.Documents.First(y => y.Id == x.Key),
+                    Count = x.Value.Item2
+                }).ToList(),
+                MaxCountDocuments = model.MaxCountDocuments
+            };
+        }
+
+        public void Update(ShopBindingModel model)
+        {
+            Name = model.Name;
+            Adress = model.Adress;
+            OpeningDate = model.OpeningDate;
+            MaxCountDocuments = model.MaxCountDocuments;
+        }
+
+        public ShopViewModel GetViewModel => new()
+        {
+            Id = Id,
+            Name = Name,
+            Adress = Adress,
+            OpeningDate = OpeningDate,
+            ShopDocuments = ShopDocuments,
+            MaxCountDocuments = MaxCountDocuments
+        };
+
+        public void UpdateDocuments(LawFirmDatabase context, ShopBindingModel model)
+        {
+            var ShopDocuments = context.ShopDocuments.Where(rec => rec.ShopId == model.Id).ToList();
+            if (ShopDocuments != null && ShopDocuments.Count > 0)
+            {
+                // удалили те, которых нет в модели
+                context.ShopDocuments.RemoveRange(ShopDocuments.Where(rec => !model.ShopDocuments.ContainsKey(rec.DocumentId)));
+                context.SaveChanges();
+                ShopDocuments = context.ShopDocuments.Where(rec => rec.ShopId == model.Id).ToList();
+                // обновили количество у существующих записей
+                foreach (var updateDoc in ShopDocuments)
+                {
+                    updateDoc.Count = model.ShopDocuments[updateDoc.DocumentId].Item2;
+                    model.ShopDocuments.Remove(updateDoc.DocumentId);
+                }
+                context.SaveChanges();
+            }
+            var shop = context.Shops.First(x => x.Id == Id);
+            foreach (var elem in model.ShopDocuments)
+            {
+                context.ShopDocuments.Add(new ShopDocument
+                {
+                    Shop = shop,
+                    Document = context.Documents.First(x => x.Id == elem.Key),
+                    Count = elem.Value.Item2
+                });
+                context.SaveChanges();
+            }
+            _shopDocuments = null;
+        }
+    }
+}

LawFirm/LawFirmDatabaseImplement/Models/ShopDocument.cs

@@ -0,0 +1,27 @@
+using System;
+using System.Collections.Generic;
+using System.ComponentModel.DataAnnotations;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace LawFirmDatabaseImplement.Models
+{
+    public class ShopDocument
+    {
+        public int Id { get; set; }
+
+        [Required]
+        public int DocumentId { get; set; }
+
+        [Required]
+        public int ShopId { get; set; }
+
+        [Required]
+        public int Count { get; set; }
+
+        public virtual Shop Shop { get; set; } = new();
+
+        public virtual Document Document { get; set; } = new();
+    }
+}