feat: Enhance participant request management with error handling

- Updated ManageGroupRequestParticipants method to include error handling for participant requests.
- Added validation for the Action field in participant management requests to ensure it is not empty and is one of the allowed values.

src/services/group.go

@@ -161,11 +161,19 @@ func (service groupService) ManageGroupRequestParticipants(ctx context.Context,
 	}
 
 	for _, participant := range participants {
-		result = append(result, domainGroup.ParticipantStatus{
-			Participant: participant.JID.String(),
-			Status:      "success",
-			Message:     fmt.Sprintf("Action %s success", request.Action),
-		})
+		if participant.Error != 0 {
+			result = append(result, domainGroup.ParticipantStatus{
+				Participant: participant.JID.String(),
+				Status:      "error",
+				Message:     fmt.Sprintf("Action %s failed (code %d)", request.Action, participant.Error),
+			})
+		} else {
+			result = append(result, domainGroup.ParticipantStatus{
+				Participant: participant.JID.String(),
+				Status:      "success",
+				Message:     fmt.Sprintf("Action %s success", request.Action),
+			})
+		}
 	}
 
 	return result, nil

src/validations/group_validation.go

@@ -6,6 +6,7 @@ import (
 	domainGroup "github.com/aldinokemal/go-whatsapp-web-multidevice/domains/group"
 	pkgError "github.com/aldinokemal/go-whatsapp-web-multidevice/pkg/error"
 	validation "github.com/go-ozzo/ozzo-validation/v4"
+	"go.mau.fi/whatsmeow"
 )
 
 func ValidateJoinGroupWithLink(ctx context.Context, request domainGroup.JoinGroupWithLinkRequest) error {
@@ -77,6 +78,7 @@ func ValidateManageGroupRequestParticipants(ctx context.Context, request domainG
 		validation.Field(&request.GroupID, validation.Required),
 		validation.Field(&request.Participants, validation.Required),
 		validation.Field(&request.Participants, validation.Each(validation.Required)),
+		validation.Field(&request.Action, validation.Required, validation.In(whatsmeow.ParticipantChangeApprove, whatsmeow.ParticipantChangeReject)),
 	)
 
 	if err != nil {