initial commit

Core/Application/Features/DashboardManager/Queries/GetCardsDashboard.cs

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+using Application.Common.CQS.Queries;
+using Application.Common.Extensions;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+
+namespace Application.Features.DashboardManager.Queries;
+
+
+public class GetCardsDashboardDto
+{
+    public CardsItem? CardsDashboard { get; init; }
+}
+
+public class GetCardsDashboardResult
+{
+    public GetCardsDashboardDto? Data { get; init; }
+}
+
+public class GetCardsDashboardRequest : IRequest<GetCardsDashboardResult>
+{
+}
+
+public class GetCardsDashboardHandler : IRequestHandler<GetCardsDashboardRequest, GetCardsDashboardResult>
+{
+    private readonly IQueryContext _context;
+
+    public GetCardsDashboardHandler(IQueryContext context)
+    {
+        _context = context;
+    }
+
+    public async Task<GetCardsDashboardResult> Handle(GetCardsDashboardRequest request, CancellationToken cancellationToken)
+    {
+        var salesTotal = await _context.SalesOrderItem
+            .AsNoTracking()
+            .IsDeletedEqualTo(false)
+            .SumAsync(x => (double?)x.Quantity, cancellationToken);
+
+        var purchaseTotal = await _context.PurchaseOrderItem
+            .AsNoTracking()
+            .IsDeletedEqualTo(false)
+            .SumAsync(x => (double?)x.Quantity, cancellationToken);
+
+        var cardsDashboardData = new CardsItem
+        {
+            SalesTotal = salesTotal,
+            PurchaseTotal = purchaseTotal,
+        };
+
+
+
+        var result = new GetCardsDashboardResult
+        {
+            Data = new GetCardsDashboardDto
+            {
+                CardsDashboard = cardsDashboardData
+            }
+        };
+
+        return result;
+    }
+}