initial commit

Features/Sales/DeliveryOrder/Cqrs/GetDeliveryOrderLookupHandler.cs

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+using Indotalent.Infrastructure.Database;
+using MediatR;
+using Microsoft.EntityFrameworkCore;
+using Indotalent.Data.Enums;
+using Indotalent.ConfigBackEnd.Extensions;
+
+namespace Indotalent.Features.Sales.DeliveryOrder.Cqrs;
+
+public class DeliveryOrderLookupResponse
+{
+    public List<LookupItem> SalesOrders { get; set; } = new();
+    public List<LookupItem> Warehouses { get; set; } = new();
+    public List<LookupItem> Products { get; set; } = new();
+    public List<LookupStatusItem> Statuses { get; set; } = new();
+}
+
+public class LookupItem
+{
+    public string? Id { get; set; }
+    public string? Name { get; set; }
+}
+
+public class LookupStatusItem
+{
+    public int Value { get; set; }
+    public string? Name { get; set; }
+}
+
+public record GetDeliveryOrderLookupQuery() : IRequest<DeliveryOrderLookupResponse>;
+
+public class GetDeliveryOrderLookupHandler : IRequestHandler<GetDeliveryOrderLookupQuery, DeliveryOrderLookupResponse>
+{
+    private readonly AppDbContext _context;
+    public GetDeliveryOrderLookupHandler(AppDbContext context) => _context = context;
+
+    public async Task<DeliveryOrderLookupResponse> Handle(GetDeliveryOrderLookupQuery request, CancellationToken cancellationToken)
+    {
+        var response = new DeliveryOrderLookupResponse();
+
+        response.SalesOrders = await _context.SalesOrder.AsNoTracking()
+            .Where(x => x.OrderStatus >= SalesOrderStatus.Confirmed)
+            .OrderByDescending(x => x.CreatedAt)
+            .Select(x => new LookupItem { Id = x.Id, Name = x.AutoNumber })
+            .ToListAsync(cancellationToken);
+
+        response.Warehouses = await _context.Warehouse.AsNoTracking()
+            .Where(x => x.SystemWarehouse == false)
+            .OrderBy(x => x.Name)
+            .Select(x => new LookupItem { Id = x.Id, Name = x.Name })
+            .ToListAsync(cancellationToken);
+
+        response.Products = await _context.Product.AsNoTracking()
+            .OrderBy(x => x.Name)
+            .Select(x => new LookupItem { Id = x.Id, Name = x.Name })
+            .ToListAsync(cancellationToken);
+
+        response.Statuses = Enum.GetValues(typeof(DeliveryOrderStatus))
+            .Cast<DeliveryOrderStatus>()
+            .Select(x => new LookupStatusItem
+            {
+                Value = (int)x,
+                Name = x.GetDescription()
+            }).ToList();
+
+        return response;
+    }
+}