feat: 配送单查询支持tenantId可选过滤

src/Infrastructure/TakeoutSaaS.Infrastructure/App/Repositories/EfDeliveryRepository.cs

@@ -23,6 +23,16 @@ public sealed class EfDeliveryRepository(TakeoutAdminDbContext context) : IDeliv
             .FirstOrDefaultAsync(cancellationToken);
     }
 
+    /// <inheritdoc />
+    public Task<DeliveryOrder?> FindByIdAsync(long deliveryOrderId, CancellationToken cancellationToken = default)
+    {
+        // 1. 按主键查询（跨租户）
+        return context.DeliveryOrders
+            .AsNoTracking()
+            .Where(x => x.Id == deliveryOrderId)
+            .FirstOrDefaultAsync(cancellationToken);
+    }
+
     /// <inheritdoc />
     public Task<DeliveryOrder?> FindByOrderIdAsync(long orderId, long tenantId, CancellationToken cancellationToken = default)
     {
@@ -84,6 +94,34 @@ public sealed class EfDeliveryRepository(TakeoutAdminDbContext context) : IDeliv
             .ToListAsync(cancellationToken);
     }
 
+    /// <inheritdoc />
+    public async Task<IReadOnlyList<DeliveryOrder>> SearchAsync(long? tenantId, DeliveryStatus? status, long? orderId, CancellationToken cancellationToken = default)
+    {
+        // 1. 构建查询（可选租户过滤）
+        var query = context.DeliveryOrders.AsNoTracking();
+        if (tenantId.HasValue)
+        {
+            query = query.Where(x => x.TenantId == tenantId.Value);
+        }
+
+        // 2. (空行后) 可选过滤：配送状态
+        if (status.HasValue)
+        {
+            query = query.Where(x => x.Status == status.Value);
+        }
+
+        // 3. (空行后) 可选过滤：订单标识
+        if (orderId.HasValue)
+        {
+            query = query.Where(x => x.OrderId == orderId.Value);
+        }
+
+        // 4. (空行后) 排序并返回
+        return await query
+            .OrderByDescending(x => x.CreatedAt)
+            .ToListAsync(cancellationToken);
+    }
+
     /// <inheritdoc />
     public Task UpdateDeliveryOrderAsync(DeliveryOrder deliveryOrder, CancellationToken cancellationToken = default)
     {