Removing from the output of the method.

param/admin/kind_box/add.go

@@ -9,6 +9,4 @@ type KindBoxAddAfterAcceptingReqRequest struct {
 	Count        uint
 }
 
-type KindBoxAddAfterAcceptingReqResponse struct {
+type KindBoxAddAfterAcceptingReqResponse struct{}
-	KindBoxes []entity.KindBox
-}

repository/mysql/kind_box/kind_box.go

@@ -2,26 +2,25 @@ package mysqlkindbox
 
 import (
 	"context"
-
 	"git.gocasts.ir/ebhomengo/niki/entity"
 	"git.gocasts.ir/ebhomengo/niki/logger"
 	errmsg "git.gocasts.ir/ebhomengo/niki/pkg/err_msg"
 	richerror "git.gocasts.ir/ebhomengo/niki/pkg/rich_error"
 )
 
-func (d DB) AddBatchKindBox(ctx context.Context, kindBoxes []entity.KindBox) ([]entity.KindBox, error) {
+func (d DB) AddBatchKindBox(ctx context.Context, kindBoxes []entity.KindBox) error {
 	const op = "mysqlkindbox.AddBatchKindBoxConcurrentlyRollback"
 	errCh := make(chan error, len(kindBoxes))
 	resultCh := make(chan entity.KindBox, len(kindBoxes))
 	tx, tErr := d.conn.Conn().Begin()
 	if tErr != nil {
-		return nil, richerror.New(op).WithErr(tErr).
+		return richerror.New(op).WithErr(tErr).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}
 
 	for _, kindBox := range kindBoxes {
 		go func(kb entity.KindBox) {
-			res, err := tx.ExecContext(ctx,
+			_, err := tx.ExecContext(ctx,
 				"insert into kind_boxes (kind_box_req_id, benefactor_id, type, serial_number, status) values (?, ?, ?, ?, ?);",
 				kb.KindBoxReqID, kb.BenefactorID, kb.Type.String(), kb.SerialNumber, kb.Status.String(),
 			)
@@ -32,18 +31,11 @@ func (d DB) AddBatchKindBox(ctx context.Context, kindBoxes []entity.KindBox) ([]
 				return
 			}
 
-			//nolint
-			// err is always nil
-			id, _ := res.LastInsertId()
-			kb.ID = uint(id)
-
 			resultCh <- kb
 			errCh <- nil
 		}(kindBox)
 	}
 
-	var result []entity.KindBox
-
 	for i := 0; i < len(kindBoxes); i++ {
 		select {
 		case err := <-errCh:
@@ -52,16 +44,16 @@ func (d DB) AddBatchKindBox(ctx context.Context, kindBoxes []entity.KindBox) ([]
 					logger.L().Error("Rollback error: ", err)
 				}
 
-				return nil, err
+				return err
 			}
-		case res := <-resultCh:
+		case <-resultCh:
-			result = append(result, res)
+
 		case <-ctx.Done():
 			if err := tx.Rollback(); err != nil {
 				logger.L().Error("Rollback error: ", err)
 			}
 
-			return nil, richerror.New(op).WithErr(ctx.Err()).
+			return richerror.New(op).WithErr(ctx.Err()).
 				WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 		}
 	}
@@ -69,9 +61,9 @@ func (d DB) AddBatchKindBox(ctx context.Context, kindBoxes []entity.KindBox) ([]
 	if err := tx.Commit(); err != nil {
 		logger.L().Error("Commit error: ", err)
 
-		return nil, richerror.New(op).WithErr(err).
+		return richerror.New(op).WithErr(err).
 			WithMessage(errmsg.ErrorMsgSomethingWentWrong).WithKind(richerror.KindUnexpected)
 	}
 
-	return result, nil
+	return nil
 }

service/admin/kind_box/add.go

@@ -22,12 +22,10 @@ func (s Service) AddKindBoxAfterAcceptingRequest(ctx context.Context, req param.
 			SerialNumber: ulid.Make().String(),
 		})
 	}
-	kindBoxes, err := s.repo.AddBatchKindBox(ctx, kindBoxes)
+	err := s.repo.AddBatchKindBox(ctx, kindBoxes)
 	if err != nil {
 		return param.KindBoxAddAfterAcceptingReqResponse{}, richerror.New(op).WithErr(err).WithKind(richerror.KindUnexpected)
 	}
 
-	return param.KindBoxAddAfterAcceptingReqResponse{
+	return param.KindBoxAddAfterAcceptingReqResponse{}, nil
-		KindBoxes: kindBoxes,
-	}, nil
 }

service/admin/kind_box/service.go

@@ -7,7 +7,7 @@ import (
 )
 
 type Repository interface {
-	AddBatchKindBox(ctx context.Context, kindBoxes []entity.KindBox) ([]entity.KindBox, error)
+	AddBatchKindBox(ctx context.Context, kindBoxes []entity.KindBox) error
 }
 
 type Service struct {