intigrate others sales , return and implement day end duntinalities

Backend/ERPCore/Dtos/Procurement/PurchaseReturnDtos.cs

@@ -9,12 +9,13 @@ public sealed record PurchaseReturnLineDto(int ReturnLineId, int? GrnLineId, int
 
 public sealed record PurchaseReturnDto(
     int ReturnId, string DocNo, int VendorId, int WarehouseId, int ReasonCodeId, ReturnStatus Status,
-    int CreatedBy, DateTime CreatedAt, IReadOnlyList<PurchaseReturnLineDto> Lines, IReadOnlyList<int> LedgerRefs);
+    int CreatedBy, DateTime CreatedAt, string? GlJournalNo, DateTime? GlPostedAt,
+    IReadOnlyList<PurchaseReturnLineDto> Lines, IReadOnlyList<int> LedgerRefs);
 
 /// <summary>Row shape for <c>GET /purchase-returns</c> — no lines/ledgerRefs (those need a per-row query).</summary>
 public sealed record PurchaseReturnSummaryDto(
     int ReturnId, string DocNo, int VendorId, int WarehouseId, int ReasonCodeId, ReturnStatus Status,
-    int CreatedBy, DateTime CreatedAt, int LineCount);
+    int CreatedBy, DateTime CreatedAt, int LineCount, string? GlJournalNo);
 
 // Requests ----------------------------------------------------------------------
 

Backend/ERPCore/Dtos/Sales/SalesDayEndDtos.cs

@@ -0,0 +1,40 @@
+using System.ComponentModel.DataAnnotations;
+
+namespace ERPCore.Dtos.Sales;
+
+// Responses -----------------------------------------------------------------------
+
+/// <summary>Qty/revenue sold for one item across a closed (or about-to-close) day, for the day-end report.
+/// Merges sales-slip and bundle-sale lines for the same item into one row.</summary>
+public sealed record SalesDayEndItemLineDto(int ItemId, string Sku, string Name, decimal Qty, decimal Revenue);
+
+public sealed record SalesDayEndDto(
+    int SalesDayEndId, string DocNo, int CashierUserId, DateOnly BusinessDate,
+    int SlipCount, int BundleCount, decimal Subtotal, decimal DiscountTotal, decimal TaxTotal, decimal GrandTotal,
+    decimal CostOfGoodsSold, string? GlJournalNo, DateTime? GlPostedAt, int ClosedBy, DateTime ClosedAt,
+    IReadOnlyList<string> SlipNumbers, IReadOnlyList<string> BundleNumbers, IReadOnlyList<SalesDayEndItemLineDto> ItemBreakdown);
+
+public sealed record SalesDayEndSummaryDto(
+    int SalesDayEndId, string DocNo, int CashierUserId, DateOnly BusinessDate,
+    int SlipCount, int BundleCount, decimal GrandTotal, string? GlJournalNo, DateTime ClosedAt);
+
+/// <summary>What closing right now would include — call before <c>POST /sales-day-end</c> so the
+/// cashier can see the day's totals, and any still-Draft slips/bundles blocking the close.</summary>
+public sealed record SalesDayEndPreviewDto(
+    int CashierUserId, DateOnly BusinessDate, bool AlreadyClosed,
+    int SlipCount, int BundleCount, decimal Subtotal, decimal DiscountTotal, decimal TaxTotal, decimal GrandTotal,
+    IReadOnlyList<string> SlipNumbers, IReadOnlyList<string> BundleNumbers,
+    IReadOnlyList<DraftSlipBlockingCloseDto> DraftSlipsBlockingClose,
+    IReadOnlyList<DraftBundleBlockingCloseDto> DraftBundleSalesBlockingClose);
+
+public sealed record DraftSlipBlockingCloseDto(int SalesSlipId, string SlipNo, decimal GrandTotal);
+public sealed record DraftBundleBlockingCloseDto(int BundleSaleId, string BundleNo, decimal GrandTotal);
+
+// Requests ------------------------------------------------------------------------
+
+public sealed class CreateSalesDayEndRequest
+{
+    [Required] public int CashierUserId { get; set; }
+    /// <summary>Defaults to today (UTC) when omitted.</summary>
+    public DateOnly? BusinessDate { get; set; }
+}

Backend/ERPCore/Dtos/Sales/SalesInvoiceDtos.cs

@@ -17,12 +17,24 @@ public sealed record SalesInvoiceDto(
     int SalesInvoiceId, string InvoiceNo, DateTime InvoiceDate, int CustomerId,
     string CustomerSnapshotName, string? CustomerSnapshotTaxNo, int WarehouseId,
     SalesInvoiceType InvoiceType, SalesInvoiceStatus Status, int CreatedBy, DateTime CreatedAt,
-    DateTime? UpdatedAt, SalesInvoiceTotalsDto Totals, IReadOnlyList<SalesInvoiceLineDto> Lines);
+    DateTime? UpdatedAt, string? GlJournalNo, DateTime? GlPostedAt,
+    SalesInvoiceTotalsDto Totals, IReadOnlyList<SalesInvoiceLineDto> Lines);
 
 public sealed record SalesInvoiceSummaryDto(
     int SalesInvoiceId, string InvoiceNo, DateTime InvoiceDate, int CustomerId,
     string CustomerSnapshotName, int WarehouseId, SalesInvoiceType InvoiceType,
-    SalesInvoiceStatus Status, SalesInvoiceTotalsDto Totals, DateTime CreatedAt);
+    SalesInvoiceStatus Status, SalesInvoiceTotalsDto Totals, DateTime CreatedAt, string? GlJournalNo);
+
+public sealed record SalesInvoicePaymentDto(
+    int SalesInvoicePaymentId, int SalesInvoiceId, decimal Amount, DateTime PaymentDate,
+    long GlBankAccountId, string BankAccountName, string? Reference, string? GlJournalNo, DateTime CreatedAt);
+
+public sealed class CreateSalesInvoicePaymentRequest
+{
+    [Range(0.01, double.MaxValue)] public decimal Amount { get; set; }
+    [Required] public long GlBankAccountId { get; set; }
+    [StringLength(100)] public string? Reference { get; set; }
+}
 
 public sealed record SalesInvoicePostingIssueDto(
     int SalesInvoiceLineId, int ItemId, string ItemSku, string ItemName, int WarehouseId,

Backend/ERPCore/Dtos/Sales/SalesReturnDtos.cs

@@ -9,12 +9,13 @@ public sealed record SalesReturnLineDto(int ReturnLineId, int? SalesInvoiceLineI
 
 public sealed record SalesReturnDto(
     int ReturnId, string DocNo, int CustomerId, int WarehouseId, int ReasonCodeId, ReturnStatus Status,
-    int CreatedBy, DateTime CreatedAt, IReadOnlyList<SalesReturnLineDto> Lines, IReadOnlyList<int> LedgerRefs);
+    int CreatedBy, DateTime CreatedAt, string? GlJournalNo, DateTime? GlPostedAt,
+    IReadOnlyList<SalesReturnLineDto> Lines, IReadOnlyList<int> LedgerRefs);
 
 /// <summary>Row shape for <c>GET /sales-returns</c> — no lines/ledgerRefs (those need a per-row query).</summary>
 public sealed record SalesReturnSummaryDto(
     int ReturnId, string DocNo, int CustomerId, int WarehouseId, int ReasonCodeId, ReturnStatus Status,
-    int CreatedBy, DateTime CreatedAt, int LineCount, decimal TotalQty);
+    int CreatedBy, DateTime CreatedAt, int LineCount, decimal TotalQty, string? GlJournalNo);
 
 /// <summary>
 /// Remaining returnable qty for one sales invoice line — the invoiced qty minus

Backend/ERPCore/Dtos/Stock/AdjustmentDtos.cs

@@ -9,12 +9,13 @@ public sealed record AdjustmentLineDto(int AdjLineId, int ItemId, int? BinId, in
 
 public sealed record AdjustmentDto(
     int AdjustmentId, string DocNo, int WarehouseId, int ReasonCodeId, AdjustmentStatus Status,
-    int CreatedBy, DateTime CreatedAt, IReadOnlyList<AdjustmentLineDto> Lines, IReadOnlyList<int> LedgerRefs);
+    int CreatedBy, DateTime CreatedAt, string? GlJournalNo, DateTime? GlPostedAt,
+    IReadOnlyList<AdjustmentLineDto> Lines, IReadOnlyList<int> LedgerRefs);
 
 /// <summary>Row shape for <c>GET /stock-adjustments</c> — no lines/ledgerRefs (those need a per-row query).</summary>
 public sealed record AdjustmentSummaryDto(
     int AdjustmentId, string DocNo, int WarehouseId, int ReasonCodeId, AdjustmentStatus Status,
-    int CreatedBy, DateTime CreatedAt, int LineCount);
+    int CreatedBy, DateTime CreatedAt, int LineCount, string? GlJournalNo);
 
 // Requests ----------------------------------------------------------------------
 

Backend/ERPCore/Dtos/Stock/CountDtos.cs

@@ -16,7 +16,7 @@ public sealed record CountSummaryDto(
     int CountId, string DocNo, int WarehouseId, CountType CountType, CountStatus Status,
     int CreatedBy, DateTime CreatedAt, int LineCount);
 
-public sealed record CountPostResultDto(int CountId, CountStatus Status, int? AdjustmentId, IReadOnlyList<int> LedgerRefs);
+public sealed record CountPostResultDto(int CountId, CountStatus Status, int? AdjustmentId, string? GlJournalNo, IReadOnlyList<int> LedgerRefs);
 
 // Requests ----------------------------------------------------------------------