Курсач: Война Бесконечности

DatabaseImplement/Implements/PurchaseStorage.cs

@@ -127,9 +127,10 @@ namespace DatabaseImplement.Implements
 
 
             var cartItems = context.CartItems
-                .Where(x => x.PurchaseId == model.Id).ToList()
+                .Where(x => x.PurchaseId == purchase.Id).ToList()
                 .Select(x => x.GetViewModel).ToList();
 
+
             var products = new List<Product>();
 
             foreach (var item in cartItems)

RestAPI/Controllers/PurchaseController.cs

@@ -9,6 +9,8 @@ using DataModels.Models;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using MigraDoc.DocumentObjectModel;
+using MigraDoc.Rendering;
 
 namespace RestAPI.Controllers
 {
@@ -132,5 +134,26 @@ namespace RestAPI.Controllers
                 return null;
             }
         }
+        [HttpGet]
+        public byte[] CreateChart(Guid userId)
+        {
+            Document document = new Document();
+            Section section = document.AddSection();
+
+            section.AddParagraph("Столбчатая диаграмма");
+
+            using (MemoryStream stream = new MemoryStream())
+            {
+                PdfDocumentRenderer renderer = new PdfDocumentRenderer(true, PdfSharp.Pdf.PdfFontEmbedding.Always);
+                renderer.Document = document;
+                renderer.RenderDocument();
+
+                // Сохранение документа в MemoryStream
+                renderer.PdfDocument.Save(stream, false);
+
+                // Получение массива байтов из MemoryStream
+                return stream.ToArray();
+            }
+        }
     }
 }

RestAPI/Program.cs

@@ -88,5 +88,6 @@ app.UseHttpsRedirection();
 app.UseAuthorization();
 
 app.MapControllers();
+app.UseDeveloperExceptionPage();
 
 app.Run();

RestAPI/RestAPI.csproj

@@ -12,6 +12,7 @@
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>
     <PackageReference Include="Microsoft.Extensions.Logging.Log4Net.AspNetCore" Version="8.0.0" />
+    <PackageReference Include="ScottPlot" Version="5.0.37" />
     <PackageReference Include="Swashbuckle.AspNetCore" Version="6.4.0" />
   </ItemGroup>
 

WebApp/Pages/User/Purchases.cshtml

@@ -29,6 +29,7 @@
 	}
 	else
 	{
+        <img src="data:image/png;base64,@Convert.ToBase64String(Model.GetStatistics())" class="card-img-top" alt="Статистика">
         <div class="btn-group">
             <div class="dropdown">
                 <button class="btn btn-secondary dropdown-toggle" type="button" id="navbarDropdownMenuLink" data-bs-toggle="dropdown" aria-expanded="false">

WebApp/Pages/User/Purchases.cshtml.cs

@@ -41,16 +41,6 @@ namespace WebApp.Pages.User
             purchaseViewModels = APIClient.GetRequest<List<PurchaseViewModel>>(request);		
 		}
 
-        public void OnGetStatistics()
-        {
-            
-        }
-
-        public void SendBill()
-        {
-
-        } 
-
         public void OnPostSendBill(Guid id)
         {
             var UserId = this.GetUserId();
@@ -78,5 +68,15 @@ namespace WebApp.Pages.User
 
             OnGet(null, null);
         }
+        public byte[] GetStatistics()
+        {
+            var UserId = this.GetUserId();
+            if (UserId is null)
+            {
+                OnGet(null, null);
+            }
+            var chart = APIClient.GetRequest<byte[]>($"purchase/createchart?userId={UserId}");
+            return chart;
+        }
     }
 }

WebApp/WebApp.csproj

@@ -13,6 +13,7 @@
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.Authentication.JwtBearer" Version="8.0.6" />
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
+    <PackageReference Include="ScottPlot" Version="5.0.37" />
   </ItemGroup>
 
   <ItemGroup>