Function DeleteCommentByID

internal/database/comment.go:505–551

DeleteCommentByID deletes the comment by given ID.

(doer *User, id int64)

// DeleteCommentByID deletes the comment by given ID.
func DeleteCommentByID(doer *User, id int64) error {
	comment, err := GetCommentByID(id)
	if err != nil {
		if IsErrCommentNotExist(err) {
			return nil
		}
		return err
	}

	sess := x.NewSession()
	defer sess.Close()
	if err = sess.Begin(); err != nil {
		return err
	}

	if _, err = sess.ID(comment.ID).Delete(new(Comment)); err != nil {
		return err
	}

	if comment.Type == CommentTypeComment {
		if _, err = sess.Exec("UPDATE `issue` SET num_comments = num_comments - 1 WHERE id = ?", comment.IssueID); err != nil {
			return err
		}
	}

	if err = sess.Commit(); err != nil {
		return errors.Newf("commit: %v", err)
	}

	_, err = DeleteAttachmentsByComment(comment.ID, true)
	if err != nil {
		log.Error("Failed to delete attachments by comment[%d]: %v", comment.ID, err)
	}

	if err = comment.Issue.LoadAttributes(); err != nil {
		log.Error("Issue.LoadAttributes [issue_id: %d]: %v", comment.IssueID, err)
	} else if err = PrepareWebhooks(comment.Issue.Repo, HookEventTypeIssueComment, &api.IssueCommentPayload{
		Action:     api.HOOK_ISSUE_COMMENT_DELETED,
		Issue:      comment.Issue.APIFormat(),
		Comment:    comment.APIFormat(),
		Repository: comment.Issue.Repo.APIFormatLegacy(nil),
		Sender:     doer.APIFormat(),
	}); err != nil {
		log.Error("PrepareWebhooks [comment_id: %d]: %v", comment.ID, err)
	}
	return nil
}