Add invoice payment summary

Distribution/Features/Invoice/IInvoiceRepository.cs

@@ -6,8 +6,9 @@ public interface IInvoiceRepository
 {
     Task<Models.Invoice?> GetByIdAsync(Guid id);
     Task<Models.Invoice?> GetByShopPOIdAsync(Guid shopPOId);
-    Task<List<Models.Invoice>> GetAllAsync(Guid? agentId, Guid? routeId, Guid? shopId, InvoiceStatus? status, int page, int pageSize);
+    Task<List<Models.Invoice>> GetAllAsync(Guid? agentId, Guid? routeId, Guid? shopId, InvoiceStatus? status, PaymentStatus? paymentStatus, int page, int pageSize);
-    Task<int> GetCountAsync(Guid? agentId, Guid? routeId, Guid? shopId, InvoiceStatus? status);
+    Task<int> GetCountAsync(Guid? agentId, Guid? routeId, Guid? shopId, InvoiceStatus? status, PaymentStatus? paymentStatus);
+    Task<List<Models.Invoice>> GetOutstandingAsync();
     Task AddAsync(Models.Invoice invoice);
     void Update(Models.Invoice invoice);
 }

Distribution/Features/Invoice/InvoiceController.cs

@@ -14,10 +14,18 @@ public class InvoiceController(InvoiceService service, ICurrentUserService curre
         [FromQuery] Guid? routeId,
         [FromQuery] Guid? shopId,
         [FromQuery] InvoiceStatus? status,
+        [FromQuery] PaymentStatus? paymentStatus,
         [FromQuery] int page = 1,
         [FromQuery] int pageSize = 20)
     {
-        var result = await service.GetAllAsync(agentId, routeId, shopId, status, page, pageSize);
+        var result = await service.GetAllAsync(agentId, routeId, shopId, status, paymentStatus, page, pageSize);
+        return Ok(result);
+    }
+
+    [HttpGet("outstanding-summary")]
+    public async Task<IActionResult> GetOutstandingSummary()
+    {
+        var result = await service.GetOutstandingSummaryAsync();
         return Ok(result);
     }
 

Distribution/Features/Invoice/InvoiceDTOs.cs

@@ -21,3 +21,5 @@ public record InvoiceResponse(
     decimal TotalAmount,
     bool IsActive,
     DateTime CreatedAt);
+
+public record OutstandingPaymentsResponse(int InvoiceCount, decimal OutstandingAmount);

Distribution/Features/Invoice/InvoiceRepository.cs

@@ -18,27 +18,35 @@ public class InvoiceRepository(AppDBContext context) : IInvoiceRepository
             .Include(i => i.ShopPO)
             .FirstOrDefaultAsync(i => i.FK_ShopPOId == shopPOId && i.IsActive);
 
-    public async Task<List<Models.Invoice>> GetAllAsync(Guid? agentId, Guid? routeId, Guid? shopId, InvoiceStatus? status, int page, int pageSize) =>
+    public async Task<List<Models.Invoice>> GetAllAsync(Guid? agentId, Guid? routeId, Guid? shopId, InvoiceStatus? status, PaymentStatus? paymentStatus, int page, int pageSize) =>
         await context.Invoices
             .Include(i => i.ShopPO).ThenInclude(p => p.Store)
             .Where(i => i.IsActive
                 && (agentId == null || i.ShopPO.RaisedById == agentId)
                 && (routeId == null || i.ShopPO.Store.FK_RouteId == routeId)
                 && (shopId == null || i.ShopPO.FK_StoreId == shopId)
-                && (status == null || i.Status == status))
+                && (status == null || i.Status == status)
+                && (paymentStatus == null || i.PaymentStatus == paymentStatus))
             .OrderByDescending(i => i.CreatedAt)
             .Skip((page - 1) * pageSize)
             .Take(pageSize)
             .ToListAsync();
 
-    public async Task<int> GetCountAsync(Guid? agentId, Guid? routeId, Guid? shopId, InvoiceStatus? status) =>
+    public async Task<int> GetCountAsync(Guid? agentId, Guid? routeId, Guid? shopId, InvoiceStatus? status, PaymentStatus? paymentStatus) =>
         await context.Invoices
             .Include(i => i.ShopPO).ThenInclude(p => p.Store)
             .CountAsync(i => i.IsActive
                 && (agentId == null || i.ShopPO.RaisedById == agentId)
                 && (routeId == null || i.ShopPO.Store.FK_RouteId == routeId)
                 && (shopId == null || i.ShopPO.FK_StoreId == shopId)
-                && (status == null || i.Status == status));
+                && (status == null || i.Status == status)
+                && (paymentStatus == null || i.PaymentStatus == paymentStatus));
+
+    public async Task<List<Models.Invoice>> GetOutstandingAsync() =>
+        await context.Invoices
+            .Include(i => i.Payments.Where(p => p.IsActive))
+            .Where(i => i.IsActive && i.PaymentStatus != PaymentStatus.Paid)
+            .ToListAsync();
 
     public async Task AddAsync(Models.Invoice invoice) =>
         await context.Invoices.AddAsync(invoice);

Distribution/Features/Invoice/InvoiceService.cs

@@ -24,13 +24,21 @@ public class InvoiceService(
         return invoice is null ? null : ToResponse(invoice);
     }
 
-    public async Task<PagedResponse<InvoiceResponse>> GetAllAsync(Guid? agentId, Guid? routeId, Guid? shopId, InvoiceStatus? status, int page, int pageSize)
+    public async Task<PagedResponse<InvoiceResponse>> GetAllAsync(Guid? agentId, Guid? routeId, Guid? shopId, InvoiceStatus? status, PaymentStatus? paymentStatus, int page, int pageSize)
     {
-        var total = await repo.GetCountAsync(agentId, routeId, shopId, status);
+        var total = await repo.GetCountAsync(agentId, routeId, shopId, status, paymentStatus);
-        var items = await repo.GetAllAsync(agentId, routeId, shopId, status, page, pageSize);
+        var items = await repo.GetAllAsync(agentId, routeId, shopId, status, paymentStatus, page, pageSize);
         return new PagedResponse<InvoiceResponse>(page, pageSize, total, items.Select(ToResponse).ToList());
     }
 
+    public async Task<OutstandingPaymentsResponse> GetOutstandingSummaryAsync()
+    {
+        var invoices = await repo.GetOutstandingAsync();
+        var count = invoices.Count;
+        var outstanding = invoices.Sum(i => i.TotalAmount - i.Payments.Sum(p => p.Amount));
+        return new OutstandingPaymentsResponse(count, outstanding);
+    }
+
     public async Task<InvoiceResponse> PrintAsync(Guid id, Guid printedBy, CancellationToken ct = default)
     {
         var invoice = await repo.GetByIdAsync(id)