fix(BE): multiple filter, all search

internal/modules/finance/transactions/controllers/transaction.controller.go

@@ -24,46 +24,81 @@ func NewTransactionController(transactionService service.TransactionService) *Tr
 }
 
 func (u *TransactionController) GetAll(c *fiber.Ctx) error {
-	parseOptionalUint := func(key string) (*uint, error) {
+	parseUintListParam := func(key string) ([]uint, error) {
 		raw := strings.TrimSpace(c.Query(key, ""))
 		if raw == "" {
 			return nil, nil
 		}
-		parsed, err := strconv.ParseUint(raw, 10, 64)
-		if err != nil {
-			return nil, fiber.NewError(fiber.StatusBadRequest, "Invalid "+key)
+		parts := strings.Split(raw, ",")
+		ids := make([]uint, 0, len(parts))
+		for _, part := range parts {
+			trimmed := strings.TrimSpace(part)
+			if trimmed == "" {
+				return nil, strconv.ErrSyntax
+			}
+			parsed, err := strconv.ParseUint(trimmed, 10, 64)
+			if err != nil {
+				return nil, err
+			}
+			if parsed == 0 {
+				continue
+			}
+			ids = append(ids, uint(parsed))
 		}
-		if parsed == 0 {
+		if len(ids) == 0 {
 			return nil, nil
 		}
-		value := uint(parsed)
-		return &value, nil
+		return ids, nil
 	}
 
-	bankId, err := parseOptionalUint("bank_id")
-	if err != nil {
-		return err
+	parseStringListParam := func(key string) ([]string, error) {
+		raw := strings.TrimSpace(c.Query(key, ""))
+		if raw == "" {
+			return nil, nil
+		}
+		parts := strings.Split(raw, ",")
+		values := make([]string, 0, len(parts))
+		for _, part := range parts {
+			trimmed := strings.TrimSpace(part)
+			if trimmed == "" {
+				return nil, strconv.ErrSyntax
+			}
+			values = append(values, trimmed)
+		}
+		if len(values) == 0 {
+			return nil, nil
+		}
+		return values, nil
 	}
-	customerId, err := parseOptionalUint("customer_id")
+
+	bankIDs, err := parseUintListParam("bank_ids")
 	if err != nil {
-		return err
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid bank_ids")
 	}
-	supplierId, err := parseOptionalUint("supplier_id")
+	customerIDs, err := parseUintListParam("customer_ids")
 	if err != nil {
-		return err
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid customer_ids")
+	}
+	supplierIDs, err := parseUintListParam("supplier_ids")
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid supplier_ids")
+	}
+	transactionTypes, err := parseStringListParam("transaction_types")
+	if err != nil {
+		return fiber.NewError(fiber.StatusBadRequest, "Invalid transaction_types")
 	}
 
 	query := &validation.Query{
-		Page:            c.QueryInt("page", 1),
-		Limit:           c.QueryInt("limit", 10),
-		Search:          c.Query("search", ""),
-		TransactionType: c.Query("transaction_type", ""),
-		BankId:          bankId,
-		CustomerId:      customerId,
-		SupplierId:      supplierId,
-		SortDate:        c.Query("sort_date", ""),
-		StartDate:       c.Query("start_date", ""),
-		EndDate:         c.Query("end_date", ""),
+		Page:             c.QueryInt("page", 1),
+		Limit:            c.QueryInt("limit", 10),
+		Search:           c.Query("search", ""),
+		TransactionTypes: transactionTypes,
+		BankIDs:          bankIDs,
+		CustomerIDs:      customerIDs,
+		SupplierIDs:      supplierIDs,
+		SortDate:         c.Query("sort_date", ""),
+		StartDate:        c.Query("start_date", ""),
+		EndDate:          c.Query("end_date", ""),
 	}
 
 	if query.Page < 1 || query.Limit < 1 {