Method CommentCreate

app/api/controller/pullreq/comment_create.go:97–248

CommentCreate creates a new pull request comment (pull request activity, type=comment/code-comment). nolint:gocognit // refactor if needed

(
	ctx context.Context,
	session *auth.Session,
	repoRef string,
	prNum int64,
	in *CommentCreateInput,
)

//
//nolint:gocognit // refactor if needed
func (c *Controller) CommentCreate(
	ctx context.Context,
	session *auth.Session,
	repoRef string,
	prNum int64,
	in *CommentCreateInput,
) (*types.PullReqActivity, error) {
	if err := in.Sanitize(); err != nil {
		return nil, err
	}

	repo, err := c.getRepoCheckAccess(ctx, session, repoRef, enum.PermissionRepoReview)
	if err != nil {
		return nil, fmt.Errorf("failed to acquire access to repo: %w", err)
	}

	var pr *types.PullReq

	pr, err = c.pullreqStore.FindByNumber(ctx, repo.ID, prNum)
	if err != nil {
		return nil, fmt.Errorf("failed to find pull request by number: %w", err)
	}

	var parentAct *types.PullReqActivity
	if in.IsReply() {
		parentAct, err = c.checkIsReplyable(ctx, pr, in.ParentID)
		if err != nil {
			return nil, fmt.Errorf("failed to verify reply: %w", err)
		}
	}

	// fetch code snippet from git for code comments
	var cut git.DiffCutOutput
	if in.IsCodeComment() {
		cut, err = c.fetchDiffCut(ctx, repo, in)
		if err != nil {
			return nil, err
		}
	}

	// generate all metadata updates
	var metadataUpdates []types.PullReqActivityMetadataUpdate

	metadataUpdates, principalInfos, err := c.appendMetadataUpdateForMentions(
		ctx, metadataUpdates, in.Text)
	if err != nil {
		return nil, fmt.Errorf("failed to update metadata for mentions: %w", err)
	}

	// suggestion metadata in case of code comments or code comment replies (don't restrict to either side for now).
	if in.IsCodeComment() || (in.IsReply() && parentAct.IsValidCodeComment()) {
		metadataUpdates = appendMetadataUpdateForSuggestions(metadataUpdates, in.Text)
	}

	var act *types.PullReqActivity
	err = controller.TxOptLock(ctx, c.tx, func(ctx context.Context) error {
		var err error