OrderStorage

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/ComponentStorage.cs

@@ -12,7 +12,7 @@ namespace ComputerHardwareStoreDatabaseImplement.Implements
         {
             using var context = new ComputerHardwareStoreDBContext();
             return context.Components
-                .Select(x => x.GetViewModel)
+                .Select(c => c.GetViewModel)
                 .ToList();
         }
 
@@ -20,12 +20,12 @@ namespace ComputerHardwareStoreDatabaseImplement.Implements
         {
             if (string.IsNullOrEmpty(model.Name))
             {
-                return new ();
+                return new();
             }
             using var context = new ComputerHardwareStoreDBContext();
             return context.Components
-                .Where(x => x.Name.Contains(model.Name))
-                .Select(x => x.GetViewModel)
+                .Where(c => c.Name.Contains(model.Name))
+                .Select(c => c.GetViewModel)
                 .ToList();
         }
 
@@ -37,10 +37,9 @@ namespace ComputerHardwareStoreDatabaseImplement.Implements
             }
             using var context = new ComputerHardwareStoreDBContext();
             return context.Components
-                .FirstOrDefault(x =>
-                (!string.IsNullOrEmpty(model.Name)
-                && x.Name == model.Name)
-                || (model.Id.HasValue && x.Id == model.Id))
+                .FirstOrDefault(c =>
+                (!string.IsNullOrEmpty(model.Name) && c .Name == model.Name) ||
+                (model.Id.HasValue && c.Id == model.Id))
                 ?.GetViewModel;
         }
 
@@ -59,7 +58,7 @@ namespace ComputerHardwareStoreDatabaseImplement.Implements
         public ComponentViewModel? Update(ComponentBindingModel model)
         {
             using var context = new ComputerHardwareStoreDBContext();
-            var component = context.Components.FirstOrDefault(x => x.Id == model.Id);
+            var component = context.Components.FirstOrDefault(c => c.Id == model.Id);
             if (component == null)
             {
                 return null;
@@ -72,14 +71,14 @@ namespace ComputerHardwareStoreDatabaseImplement.Implements
         public ComponentViewModel? Delete(ComponentBindingModel model)
         {
             using var context = new ComputerHardwareStoreDBContext();
-            var element = context.Components.FirstOrDefault(rec => rec.Id == model.Id);
-            if (element != null)
+            var element = context.Components.FirstOrDefault(c => c.Id == model.Id);
+            if (element == null)
             {
-                context.Components.Remove(element);
-                context.SaveChanges();
-                return element.GetViewModel;
+                return null;
             }
-            return null;
+            context.Components.Remove(element);
+            context.SaveChanges();
+            return element.GetViewModel;
         }
     }
 }

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/OrderStorage.cs

@@ -0,0 +1,108 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class OrderStorage : IOrderStorage
+    {
+        public List<OrderViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Orders
+                .Include(o => o.Products)
+                .ThenInclude(o => o.Product)
+                .Select(o => o.GetViewModel)
+                .ToList();
+        }
+
+        public List<OrderViewModel> GetFilteredList(OrderSearchModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Orders 
+                .Include(o => o.Products)
+                .ThenInclude(o => o.Product)
+                .Where(o => 
+                (model.Id.HasValue && o.Id == model.Id) ||
+                ((model.DateFrom.HasValue && model.DateTo.HasValue) && 
+                ((model.DateFrom <= o.DateCreate && o.DateCreate <= model.DateTo) ||
+                (o.DateImplement.HasValue && o.DateCreate < model.DateFrom && model.DateFrom < o.DateImplement)))
+                )
+                .Select(o => o.GetViewModel)
+                .ToList();
+        }
+
+        public OrderViewModel? GetElement(OrderSearchModel model)
+        {
+            if (!model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Orders
+                .Include(o => o.Products)
+                .ThenInclude(o => o.Product)
+                .FirstOrDefault(o => o.Id == model.Id)?
+                .GetViewModel;
+
+        }
+
+        public OrderViewModel? Insert(OrderBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newOrder = Order.Create(context, model);
+            if (newOrder == null)
+            {
+                return null;
+            }
+            context.Orders.Add(newOrder);
+            context.SaveChanges();
+            return newOrder.GetViewModel;
+        }
+
+        public OrderViewModel? Update(OrderBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var order = context.Orders
+                    .Include(o => o.Products)
+                    .ThenInclude(o => o.Product)
+                    .FirstOrDefault(o => o.Id == model.Id);
+                if (order == null)
+                {
+                    return null;
+                }
+                order.Update(model);
+                context.SaveChanges();
+                transaction.Commit();
+                return order.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+
+        public OrderViewModel? Delete(OrderBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var element = context.Orders
+                .Include(o => o.Products)
+                .ThenInclude(o => o.Product)
+                .FirstOrDefault(o => o.Id == model.Id);
+            if (element != null)
+            {
+                context.Orders.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}

ComputerHardwareStore/ComputerHardwareStoreDatabaseImplement/Implements/ProductStorage.cs

@@ -0,0 +1,102 @@
+using ComputerHardwareStoreContracts.BindingModels;
+using ComputerHardwareStoreContracts.SearchModels;
+using ComputerHardwareStoreContracts.StorageContracts;
+using ComputerHardwareStoreContracts.ViewModels;
+using ComputerHardwareStoreDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace ComputerHardwareStoreDatabaseImplement.Implements
+{
+    public class ProductStorage : IProductStorage
+    {
+        public List<ProductViewModel> GetFullList()
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Products
+                .Include(p => p.Components)
+                .ThenInclude(p => p.Component)
+                .Select(p => p.GetViewModel)
+                .ToList();
+        }
+
+        public List<ProductViewModel> GetFilteredList(ProductSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name)) 
+            {
+                return new();
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Products
+                .Where(p => p.Name.Contains(model.Name))
+                .Include(p => p.Components)
+                .ThenInclude(p => p.Component)
+                .Select(p => p.GetViewModel)
+                .ToList();
+        }
+
+        public ProductViewModel? GetElement(ProductSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Name) && !model.Id.HasValue) 
+            {
+                return null;
+            }
+            using var context = new ComputerHardwareStoreDBContext();
+            return context.Products
+                .Include(p => p.Components)
+                .ThenInclude(p => p.Component)
+                .FirstOrDefault(c =>
+                (!string.IsNullOrEmpty(model.Name) && c.Name == model.Name) ||
+                (model.Id.HasValue && c.Id == model.Id))?
+                .GetViewModel;
+        }
+
+        public ProductViewModel? Insert(ProductBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var newProduct = Product.Create(context, model);
+            if (newProduct == null)
+            {
+                return null;
+            }
+            context.Products.Add(newProduct);
+            context.SaveChanges();
+            return context.Products
+                .Include(p => p.Components)
+                .ThenInclude(p => p.Component)
+                .FirstOrDefault(p => p.Id == newProduct.Id)?
+                .GetViewModel;
+        }
+
+        public ProductViewModel? Update(ProductBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var product = context.Products
+                .Include(p => p.Components)
+                .ThenInclude(p => p.Component)
+                .FirstOrDefault(p => p.Id == model.Id);
+            if (product == null)
+            {
+                return null; 
+            }
+            context.Update(model);
+            context.SaveChanges();
+            return product.GetViewModel;
+        }
+
+        public ProductViewModel? Delete(ProductBindingModel model)
+        {
+            using var context = new ComputerHardwareStoreDBContext();
+            var product = context.Products
+                .Include(p => p.Components)
+                .ThenInclude(p => p.Component)
+                .FirstOrDefault(p => p.Id == model.Id);
+            if (product == null) 
+            {
+                return null;
+            }
+            context.Products.Remove(product);
+            context.SaveChanges();
+            return product.GetViewModel;
+        }
+    }
+}