Examples with ApprovalStrategy com.github.avano.pr.workflow.config.ApprovalStrategy used on opensource projects

Example 1 with ApprovalStrategy

use of com.github.avano.pr.workflow.config.ApprovalStrategy in project pull-request-workflow by avano.

the class MergeHandler method merge.

/**
 * Merges the PR if all prerequisities are fulfilled.
 *
 * @param msg {@link BusMessage} instance
 */
@Log
@ConsumeEvent(Constants.PR_MERGE)
public void merge(BusMessage msg) {
    GHClient client = msg.client();
    GHPullRequest pr = msg.get(GHPullRequest.class);
    try {
        // Refresh the PR to work with latest state
        pr.refresh();
        if (pr.isMerged()) {
            LOG.info("PR #{}: Not merging - already merged", pr.getNumber());
            return;
        }
        if (pr.isDraft()) {
            LOG.info("PR #{}: Not merging - draft state", pr.getNumber());
            return;
        }
        if (pr.getLabels().stream().map(GHLabel::getName).collect(Collectors.toSet()).contains(client.getRepositoryConfiguration().wipLabel())) {
            LOG.info("PR #{}: Not merging - work in progress", pr.getNumber());
            return;
        }
        // Check if all required checks passed
        final String targetBranch = pr.getBase().getRef();
        Set<String> requiredChecks = client.getRequiredChecks(targetBranch);
        if (requiredChecks != null && !requiredChecks.isEmpty()) {
            LOG.info("PR #{}: Required checks: {}", pr.getNumber(), String.join(", ", requiredChecks));
            final StringBuilder logMsg = new StringBuilder("PR #").append(pr.getNumber()).append(": Checks - ");
            client.getChecks(pr).forEach((name, result) -> {
                logMsg.append("[").append(name).append(": ").append(result).append("], ");
                if ("success".equalsIgnoreCase(result)) {
                    requiredChecks.remove(name);
                }
            });
            LOG.info(logMsg.substring(0, logMsg.length() - 2));
            if (!requiredChecks.isEmpty()) {
                LOG.info("PR #{}: Not merging - some of the required checks did not pass", pr.getNumber());
                return;
            }
        } else {
            LOG.debug("PR #{}: No required checks defined for branch {}", pr.getNumber(), targetBranch);
        }
        if (pr.getMergeable() == null || !pr.getMergeable()) {
            LOG.warn("PR #{}: Not merging - not mergeable", pr.getNumber());
            return;
        }
        if (Constants.DEPENDABOT_NAME.equals(client.getAuthor(pr).getLogin()) && client.getRepositoryConfiguration().automergeDependabot()) {
            LOG.info("PR #{}: Automerging dependabot PR", pr.getNumber());
            mergePullRequest(msg);
            return;
        }
        if (client.getRepositoryConfiguration().automergeOwnerPRs() && client.getAuthor(pr).getLogin().equals(client.getRepositoryConfiguration().repository().split("/")[0])) {
            LOG.info("PR #{}: Automerging owner's PR", pr.getNumber());
            mergePullRequest(msg);
            return;
        }
        Map<GHUser, GHPullRequestReviewState> reviews = client.getReviews(pr);
        if (reviews.size() == 0) {
            LOG.info("PR #{}: Not merging - no reviews", pr.getNumber());
            return;
        }
        if (reviews.values().stream().noneMatch(r -> r == GHPullRequestReviewState.APPROVED)) {
            LOG.info("PR #{}: Not merging - no approvals", pr.getNumber());
            return;
        }
        if (client.changesRequested(pr)) {
            LOG.info("PR #{}: Not merging - at least one \"changes requested\" review present", pr.getNumber());
            return;
        }
        if (ApprovalStrategy.ALL == client.getRepositoryConfiguration().approvalStrategy()) {
            if (pr.getRequestedReviewers().size() != reviews.size() || reviews.values().stream().anyMatch(r -> r != GHPullRequestReviewState.APPROVED)) {
                LOG.info("PR #{}: Not merging - approval from some reviewer missing (using \"all\" strategy)", pr.getNumber());
                return;
            }
        }
        mergePullRequest(msg);
    } catch (IOException e) {
        LOG.error("PR #{}: Unable to process merge", pr.getNumber(), e);
    }
}