rename variables according to golangci-lint rec.

backend/app/rest/api/rest_private.go

@@ -89,12 +89,12 @@ func (s *private) createCommentCtrl(w http.ResponseWriter, r *http.Request) {
 	comment = s.commentFormatter.Format(comment)
 
 	// check if images are valid
-	imgIds, err := s.imageService.ExtractPictures(comment.Text)
+	imgIDs, err := s.imageService.ExtractPictures(comment.Text)
 	if err != nil {
 		rest.SendErrorJSON(w, r, http.StatusBadRequest, err, "can't extract pictures from comment text", rest.ErrCommentValidation)
 		return
 	}
-	for _, id := range imgIds {
+	for _, id := range imgIDs {
 		_, err = s.imageService.Load(id)
 		if err != nil {
 			rest.SendErrorJSON(w, r, http.StatusBadRequest, err, "can't load picture from the comment", rest.ErrImgNotFound)

backend/app/rest/api/rest_public.go

@@ -134,12 +134,12 @@ func (s *public) previewCommentCtrl(w http.ResponseWriter, r *http.Request) {
 	comment.Sanitize()
 
 	// check if images are valid
-	imgIds, err := s.imageService.ExtractPictures(comment.Text)
+	imgIDs, err := s.imageService.ExtractPictures(comment.Text)
 	if err != nil {
 		rest.SendErrorJSON(w, r, http.StatusBadRequest, err, "can't extract pictures from comment text", rest.ErrCommentValidation)
 		return
 	}
-	for _, id := range imgIds {
+	for _, id := range imgIDs {
 		_, err = s.imageService.Load(id)
 		if err != nil {
 			rest.SendErrorJSON(w, r, http.StatusBadRequest, err, "can't load picture from the comment", rest.ErrImgNotFound)

backend/app/store/service/service.go

@@ -235,15 +235,15 @@ func (s *DataStore) submitImages(comment store.Comment) {
 			log.Printf("[WARN] can't get comment's %s text for image extraction, %v", comment.ID, err)
 			return nil
 		}
-		imgIds, err := s.ImageService.ExtractPictures(cc.Text)
+		imgIDs, err := s.ImageService.ExtractPictures(cc.Text)
 		if err != nil {
 			log.Printf("[WARN] can't get extract pictures from %s, %v", comment.ID, err)
 			return nil
 		}
-		if len(imgIds) > 0 {
-			log.Printf("[DEBUG] image ids extracted from %s - %+v", comment.ID, imgIds)
+		if len(imgIDs) > 0 {
+			log.Printf("[DEBUG] image ids extracted from %s - %+v", comment.ID, imgIDs)
 		}
-		return imgIds
+		return imgIDs
 	}
 
 	var err error