adjust export format purchase and filter

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

@@ -5,6 +5,7 @@ import (
 	"strconv"
 	"strings"
 
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
 	"gitlab.com/mbugroup/lti-api.git/internal/modules/finance/transactions/dto"
 	service "gitlab.com/mbugroup/lti-api.git/internal/modules/finance/transactions/services"
 	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/finance/transactions/validations"
@@ -13,6 +14,8 @@ import (
 	"github.com/gofiber/fiber/v2"
 )
 
+const transactionExcelExportFetchLimit = 99999999
+
 type TransactionController struct {
 	TransactionService service.TransactionService
 }
@@ -107,6 +110,14 @@ func (u *TransactionController) GetAll(c *fiber.Ctx) error {
 		return fiber.NewError(fiber.StatusBadRequest, "page and limit must be greater than 0")
 	}
 
+	if isTransactionExcelExportRequest(c) {
+		results, err := u.getAllTransactionsForExcel(c, query)
+		if err != nil {
+			return err
+		}
+		return exportTransactionListExcel(c, results)
+	}
+
 	result, totalResults, err := u.TransactionService.GetAll(c, query)
 	if err != nil {
 		return err
@@ -149,6 +160,32 @@ func (u *TransactionController) GetOne(c *fiber.Ctx) error {
 		})
 }
 
+func isTransactionExcelExportRequest(c *fiber.Ctx) bool {
+	return strings.EqualFold(strings.TrimSpace(c.Query("export")), "excel")
+}
+
+func (u *TransactionController) getAllTransactionsForExcel(c *fiber.Ctx, baseQuery *validation.Query) ([]entity.Payment, error) {
+	query := *baseQuery
+	query.Page = 1
+	query.Limit = transactionExcelExportFetchLimit
+	results := make([]entity.Payment, 0)
+	for {
+		pageResults, total, err := u.TransactionService.GetAll(c, &query)
+		if err != nil {
+			return nil, err
+		}
+		if len(pageResults) == 0 || total == 0 {
+			break
+		}
+		results = append(results, pageResults...)
+		if int64(len(results)) >= total {
+			break
+		}
+		query.Page++
+	}
+	return results, nil
+}
+
 func (u *TransactionController) DeleteOne(c *fiber.Ctx) error {
 	param := c.Params("id")