Update order system with new gRPC services and wallet integration

src/FrontOffice.Main/Utilities/CartService.cs

@@ -1,11 +1,16 @@
+using DateTimeConverterCL;
 using FrontOffice.BFF.ShopingCart.Protobuf.Protos.ShopingCart;
 using Google.Protobuf.WellKnownTypes;
 
 namespace FrontOffice.Main.Utilities;
 
-public record CartItem(long ProductId, string Title, string ImageUrl, long UnitPrice, int Quantity)
+public record CartItem(long cartId,long ProductId, string Title, string ImageUrl, long UnitPrice, int Quantity)
 {
     public long LineTotal => UnitPrice * Quantity;
+    public long DiscountValue => (Discount*(UnitPrice * Quantity))/100;
+    public int Discount { get; init; }
+    public string Created { get; init; } = string.Empty;
+    public string Description { get; init; } = string.Empty;
 }
 
 public class CartService
@@ -22,30 +27,52 @@ public class CartService
 
     public IReadOnlyList<CartItem> Items => _items.AsReadOnly();
     public long Total => _items.Sum(i => i.LineTotal);
+    public long TotalDiscount => _items.Sum(i => i.DiscountValue);
     public int Count => _items.Sum(i => i.Quantity);
 
     public async Task Add(Product product, int quantity = 1)
     {
         if (quantity <= 0) return;
         var existing = _items.FirstOrDefault(i => i.ProductId == product.Id);
+        int newQuantity;
+
         if (existing is null)
         {
-            _items.Add(new CartItem(product.Id, product.Title, product.ImageUrl, product.Price, quantity));
+            newQuantity = quantity;
+            _items.Add(new CartItem(0,product.Id, product.Title, product.ImageUrl, product.Price, newQuantity)
+            {
+                Discount = product.Discount,
+                Created = DateTime.Now.MiladiToJalali(),
+                Description = product.Description
+            });
         }
         else
         {
             var idx = _items.IndexOf(existing);
-            _items[idx] = existing with { Quantity = existing.Quantity + quantity };
+            newQuantity = existing.Quantity + quantity;
+            _items[idx] = existing with { Quantity = newQuantity };
         }
         Notify();
 
         try
         {
-            await _client.AddNewUserCartAsync(new AddNewUserCartRequest
+            if (existing is null)
             {
-                ProductId = product.Id,
-                Count = quantity
-            });
+                await _client.AddNewUserCartAsync(new AddNewUserCartRequest
+                {
+                    ProductId = product.Id,
+                    Count = newQuantity
+                });
+               await LoadFromServerAsync();
+            }
+            else
+            {
+                await _client.UpdateUserCartAsync(new UpdateUserCartRequest
+                {
+                    UserCartId = existing.cartId,
+                    Count = newQuantity
+                });
+            }
         }
         catch
         {
@@ -59,7 +86,7 @@ public class CartService
         if (existing is null) return;
         if (quantity <= 0)
         {
-            Remove(productId);
+            Remove(existing.cartId);
             return;
         }
         var idx = _items.IndexOf(existing);
@@ -70,7 +97,7 @@ public class CartService
         {
             await _client.UpdateUserCartAsync(new UpdateUserCartRequest
             {
-                UserCartId = productId,
+                UserCartId = existing.cartId,
                 Count = quantity
             });
         }
@@ -80,9 +107,9 @@ public class CartService
         }
     }
 
-    public async Task Remove(long productId)
+    public async Task Remove(long cartId)
     {
-        _items.RemoveAll(i => i.ProductId == productId);
+        _items.RemoveAll(i => i.cartId == cartId);
         Notify();
 
         try
@@ -90,7 +117,7 @@ public class CartService
             // Interpret Count=0 as remove from cart
             await _client.UpdateUserCartAsync(new UpdateUserCartRequest
             {
-                UserCartId = productId,
+                UserCartId = cartId,
                 Count = 0
             });
         }
@@ -131,14 +158,20 @@ public class CartService
         {
             var response = await _client.GetAllUserCartAsync(new Empty());
             _items.Clear();
-            foreach (var m in response.Models)
+            foreach (var model in response.Models)
             {
                 var item = new CartItem(
-                    ProductId: m.Id,
-                    Title: m.Title ?? string.Empty,
-                    ImageUrl: string.IsNullOrWhiteSpace(m.ImagePath) ? string.Empty : UrlUtility.DownloadUrl + m.ImagePath,
-                    UnitPrice: m.Price,
-                    Quantity: m.SaleCount > 0 ? m.SaleCount : 1);
+                    cartId:model.Id,
+                    ProductId: model.ProductId,
+                    Title: model.ProductTitle ?? string.Empty,
+                    ImageUrl: string.IsNullOrWhiteSpace(model.ProductThumbnailPath) ? string.Empty : UrlUtility.DownloadUrl + model.ProductThumbnailPath,
+                    UnitPrice: model.ProductPrice,
+                    Quantity: model.Count > 0 ? model.Count : 1)
+                {
+                    Discount = model.ProductDiscount,
+                    Created = model.Created.ToDateTime().MiladiToJalali(),
+                    Description = model.ProductShortInfomation
+                };
                 _items.Add(item);
             }
             Notify();