PurchaseStorage

ComputerHardwareStore/ComputerHardwareStoreContracts/BindingModels/PurchaseBindingModel.cs

@@ -8,6 +8,7 @@ namespace ComputerHardwareStoreContracts.BindingModels
         public int VendorId { get; set; }
         public double Cost { get; set; }
         public DateTime DateCreate { get; set; }
+        public DateTime? DateImplement { get; set; }
         public Dictionary<int, (IBuildModel, int)> PurchaseBuilds { get; set; } = new();
         public Dictionary<int, (IProductModel, int)> PurchaseProducts { get; set; } = new();
     }

ComputerHardwareStore/ComputerHardwareStoreContracts/ViewModels/PurchaseViewModel.cs

@@ -10,6 +10,7 @@ namespace ComputerHardwareStoreContracts.ViewModels
         public double Cost { get; set; }
         [DisplayName("Дата создания")]
         public DateTime DateCreate { get; set; }
+        public DateTime? DateImplement { get; set; }
         public int VendorId { get; set; }
         [DisplayName("Сумма")]
         public double Sum { get; set; }

ComputerHardwareStore/ComputerHardwareStoreDataModels/Models/IPurchaseModel.cs

@@ -5,6 +5,7 @@
         int VendorId { get; }
         double Cost { get; }
         DateTime DateCreate { get; }
+        DateTime? DateImplement { get; }
         public Dictionary<int, (IBuildModel, int)> PurchaseBuilds { get; }
         public Dictionary<int, (IProductModel, int)> PurchaseProducts { get; }
     }

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/PurchaseStorage.cs

@@ -0,0 +1,117 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class PurchaseStorage : IPurchaseStorage
+    {
+        public List<PurchaseViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Purchases
+                .Include(p => p.Builds)
+                .ThenInclude(p => p.Build)
+                .Include(p => p.Products)
+                .ThenInclude(p => p.Product)
+                .Select(p => p.GetViewModel)
+                .ToList();
+        }
+        
+        public List<PurchaseViewModel> GetFilteredList(PurchaseSearchModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Purchases
+                .Include(p => p.Builds)
+                .ThenInclude(p => p.Build)
+                .Include(p => p.Products)
+                .ThenInclude(p => p.Product)
+                .Where(p =>
+                (model.Id.HasValue && p.Id == model.Id) ||
+                ((model.DateFrom.HasValue && model.DateTo.HasValue) &&
+                ((model.DateFrom <= p.DateCreate && p.DateCreate <= model.DateTo) ||
+                (p.DateImplement.HasValue && p.DateCreate < model.DateFrom && model.DateFrom < p.DateImplement)))
+                )
+                .Select(p => p.GetViewModel)
+                .ToList();
+        }
+
+        public PurchaseViewModel? GetElement(PurchaseSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Purchases
+                .Include(p => p.Builds)
+                .ThenInclude(p => p.Build)
+                .Include(p => p.Products)
+                .ThenInclude(p => p.Product)
+                .FirstOrDefault(p => p.Id == model.Id)?
+                .GetViewModel;
+        }
+
+        public PurchaseViewModel? Insert(PurchaseBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newPurchase = Purchase.Create(context, model);
+            if (newPurchase == null)
+            {
+                return null;
+            }
+            context.Purchases.Add(newPurchase);
+            context.SaveChanges();
+            return newPurchase.GetViewModel;
+        }
+
+        public PurchaseViewModel? Update(PurchaseBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var purchase = context.Purchases
+                    .Include(p => p.Builds)
+                    .ThenInclude(p => p.Build)
+                    .Include(p => p.Products)
+                    .ThenInclude(p => p.Product)
+                    .FirstOrDefault(p => p.Id == model.Id);
+                if (purchase == null)
+                {
+                    return null;
+                }
+                purchase.Update(model);
+                context.SaveChanges();
+                transaction.Commit();
+                return purchase.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public PurchaseViewModel? Delete(PurchaseBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Purchases
+                .Include(p => p.Builds)
+                .ThenInclude(p => p.Build)
+                .Include(p => p.Products)
+                .ThenInclude(p => p.Product)
+                .FirstOrDefault(o => o.Id == model.Id);
+            if (element != null)
+            {
+                context.Purchases.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Models/Purchase.cs

@@ -17,6 +17,7 @@ namespace ComputerHardwareStoreDatabaseImplement.Models
         public double Cost { get; set; }
         [Required]
         public DateTime DateCreate { get; set; } = DateTime.Now;
+        public DateTime? DateImplement { get; set; } = null;
         private Dictionary<int, (IBuildModel, int)>? _purchaseBuilds = null;
         [NotMapped]
         public Dictionary<int, (IBuildModel, int)> PurchaseBuilds