Method Update

app/api/controller/pullreq/pr_update.go:52–138

Update updates an pull request.

(ctx context.Context,
	session *auth.Session, repoRef string, pullreqNum int64, in *UpdateInput,
)

// Update updates an pull request.
func (c *Controller) Update(ctx context.Context,
	session *auth.Session, repoRef string, pullreqNum int64, in *UpdateInput,
) (*types.PullReq, error) {
	if err := in.Sanitize(); err != nil {
		return nil, err
	}

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

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

	if pr.SourceRepoID != pr.TargetRepoID {
		var sourceRepo *types.RepositoryCore

		sourceRepo, err = c.repoFinder.FindByID(ctx, pr.SourceRepoID)
		if err != nil {
			return nil, fmt.Errorf("failed to get source repo by id: %w", err)
		}

		if err = apiauth.CheckRepo(ctx, c.authorizer, session, sourceRepo,
			enum.PermissionRepoView); err != nil {
			return nil, fmt.Errorf("failed to acquire access to source repo: %w", err)
		}
	}

	titleOld := pr.Title
	descriptionOld := pr.Description

	titleChanged := titleOld != in.Title
	descriptionChanged := descriptionOld != in.Description

	if !titleChanged && !descriptionChanged {
		return pr, nil
	}

	needToWriteActivity := titleChanged

	pr, err = c.pullreqStore.UpdateOptLock(ctx, pr, func(pr *types.PullReq) error {
		pr.Title = in.Title
		pr.Description = in.Description
		if needToWriteActivity {
			pr.ActivitySeq++
		}
		return nil
	})
	if err != nil {
		return pr, fmt.Errorf("failed to update pull request: %w", err)
	}

	if needToWriteActivity {
		payload := &types.PullRequestActivityPayloadTitleChange{
			Old: titleOld,