Examples with PullRequestMergeability com.atlassian.stash.pull.PullRequestMergeability used on opensource projects

Example 1 with PullRequestMergeability

use of com.atlassian.stash.pull.PullRequestMergeability in project stashbot by palantir.

the class BuildStatusReportingServlet method doGet.

@Override
public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    try {
        // Look at JenkinsManager class if you change this:
        // final two arguments could be empty...
        final String URL_FORMAT = "BASE_URL/REPO_ID_OR_SLUG/PULLREQUEST_ID]";
        final String pathInfo = req.getPathInfo();
        final String[] parts = pathInfo.split("/");
        // need at *least* 3 parts to be correct
        if (parts.length < 3) {
            throw new IllegalArgumentException("The format of the URL is " + URL_FORMAT);
        }
        // Last part is always the PR
        String pullRequestPart = parts[parts.length - 1];
        // First part is always empty because string starts with '/', last is pr, the rest is the slug
        String slugOrId = StringUtils.join(Arrays.copyOfRange(parts, 1, parts.length - 1), "/");
        Repository repo;
        try {
            int repoId = Integer.valueOf(slugOrId);
            repo = rs.getById(repoId);
            if (repo == null) {
                throw new IllegalArgumentException("Unable to find repository for repo id " + repoId);
            }
        } catch (NumberFormatException e) {
            // we have a slug, try to get a repo ID from that
            // slug should look like this: projects/PROJECT_KEY/repos/REPO_SLUG/pull-requests
            String[] newParts = slugOrId.split("/");
            if (newParts.length != 5) {
                throw new IllegalArgumentException("The format of the REPO_ID_OR_SLUG is an ID, or projects/PROJECT_KEY/repos/REPO_SLUG/pull-requests");
            }
            Project p = ps.getByKey(newParts[1]);
            if (p == null) {
                throw new IllegalArgumentException("Unable to find project for project key" + newParts[1]);
            }
            repo = rs.getBySlug(p.getKey(), newParts[3]);
            if (repo == null) {
                throw new IllegalArgumentException("Unable to find repository for project key" + newParts[1] + " and repo slug " + newParts[3]);
            }
        }
        final long pullRequestId;
        final PullRequest pullRequest;
        try {
            pullRequestId = Long.parseLong(pullRequestPart);
        } catch (NumberFormatException e) {
            throw new IllegalArgumentException("Unable to parse pull request id " + parts[7], e);
        }
        pullRequest = prs.getById(repo.getId(), pullRequestId);
        if (pullRequest == null) {
            throw new IllegalArgumentException("Unable to find pull request for repo id " + repo.getId().toString() + " pr id " + pullRequestId);
        }
        PullRequestMergeability canMerge = prs.canMerge(repo.getId(), pullRequestId);
        JSONObject output = new JSONObject();
        output.put("repoId", repo.getId());
        output.put("prId", pullRequestId);
        output.put("url", nb.repo(repo).pullRequest(pullRequest.getId()).buildAbsolute());
        output.put("canMerge", canMerge.canMerge());
        if (!canMerge.canMerge()) {
            JSONArray vetoes = new JSONArray();
            for (PullRequestMergeVeto prmv : canMerge.getVetos()) {
                JSONObject prmvjs = new JSONObject();
                prmvjs.put("summary", prmv.getSummaryMessage());
                prmvjs.put("details", prmv.getDetailedMessage());
                vetoes.put(prmvjs);
            }
            // You might expect a conflict would be included in the list of merge blockers.  You'd be mistaken.
            if (canMerge.isConflicted()) {
                JSONObject prmvjs = new JSONObject();
                prmvjs.put("summary", "This pull request is unmergeable due to conflicts.");
                prmvjs.put("details", "You will need to resolve conflicts to be able to merge.");
                vetoes.put(prmvjs);
            }
            output.put("vetoes", vetoes);
        }
        log.debug("Serving build status: " + output.toString());
        printOutput(output, req, res);
    } catch (Exception e) {
        res.reset();
        res.setStatus(500);
        res.setContentType("application/json");
        Writer w = res.getWriter();
        try {
            w.append(new JSONObject().put("error", e.getMessage()).toString());
        } catch (JSONException e1) {
            throw new RuntimeException("Errorception!", e1);
        }
        w.close();
    }
}