protected function processRequest()

in web_ui/src/applications/bistro/controllers/BistroJobListViewController.php [15:135]
96 lines of code
6 McCabe index (conditional complexity)

  protected function processRequest() {
    $request = $this->getRequest();
    $this->prefs = new BistroJobListPrefs($request);
    $this->fetcher = BistroDataFetcher::newFrom(
      // This source must be constructed first, since it initializes the prefs
      BistroHostPortSource::newFrom($this->prefs),
      $this->prefs);

    $pager = $this->makePager();
    $this->loadJobIDs($pager);  // Tell the fetcher what jobs to get.

    // Must run before we render the error log.
    self::detectDuplicateNodeNames($this->fetcher->loadNodeNames());

    // Fetch and sort jobs.
    $sorted_jobs = $this->getJobsInRenderOrder($this->fetcher->loadJobs());

    $rendered_jobs = array();
    foreach ($sorted_jobs as $job) {
      $config_blob_id = celerity_generate_unique_node_id();
      $iframe_div_id = celerity_generate_unique_node_id();
      $was_modified = $job->modifiedTime->getConsensus() !==
        $job->createdTime->getConsensus();
      $job_info = array(
        $this->renderJobHeader($job, $config_blob_id, $iframe_div_id),
        $this->renderMeta('Depends on',
          $job->dependencies->renderDep(array($this, 'renderDependencyID'))),
        $this->renderMeta('Packages', $job->packageIDs->render()),
        $this->renderMeta('Path', $job->path->render()),
        $this->renderMeta('Owner', $job->owner->render()),
        $this->renderMeta('Priority', $job->priority->render()),
        // It's only useful to show this when it's inconsistent across
        // Bistro instances:
        $job->level->isInconsistent()
          ? $this->renderMeta('Level for tasks', $job->level->render()) : null,
        // Save space: show only the created time for never-modified jobs.
        $this->renderMeta(
          'Created'.($was_modified ? ' / Modified' : ''),
          array(
            $job->createdTime->render(),
            $was_modified ? array(' / ', $job->modifiedTime->render()) : null)),
        phabricator_tag(
          'div',
          array(
            'id' => $config_blob_id,
            'style' => 'display: none',  // Config blobs are shown by JS
          ),
          $this->renderMeta('Config', $job->config->render())),
        $this->renderIframeDiv($iframe_div_id),
        $job->summary->render($this->prefs));
      $rendered_jobs[] =
        phabricator_tag('div', array('class' => 'job-col'), $job_info);
    }

    require_celerity_resource('bistro-jobs');
    $panel = new AphrontPanelView();
    $panel->addClass('bistro-jobs');
    $panel->setHeader('Bistro Jobs');

    $mini_form_prefs = array(
      BistroJobListPrefs::PREF_JOB_ID_REGEX,
      BistroJobListPrefs::PREF_SORT_BY);
    $mini_form_controls = array(
      // Since BistroPrefs don't support having a default value be a function
      // of another pref value, we have to manually show the fallback here:
      $this->prefs->renderPrefControl(BistroJobListPrefs::PREF_JOB_ID_REGEX,
        $this->getJobIDRegex()),
      $this->prefs->renderPrefControlCurrentValue(
        BistroJobListPrefs::PREF_SORT_BY));
    if ($this->prefs->get(BistroJobListPrefs::PREF_JOBS)) {
      array_unshift($mini_form_prefs, BistroJobListPrefs::PREF_JOBS);
      array_unshift($mini_form_controls,
        $this->prefs->renderPrefControlCurrentValue(
          BistroJobListPrefs::PREF_JOBS));
      // Suppress PREF_DEPRECATED_JOB_IDS from the form, since it is
      // merged into JOBS, which we just set explicitly.
      // Future: delete this once PREF_DEPRECATED_JOB_IDS is gone.
      array_unshift(
        $mini_form_prefs, BistroJobListPrefs::PREF_DEPRECATED_JOB_IDS);
    }

    $panel->appendChild(phabricator_tag(
      'div',
      array('class' => 'job-filter'),
      array(
        // A green submit button to edit the current prefs via the query page.
        phabricator_tag('div', array('class' => 'bistro-jobs-edit-query-on-right'),
          $this->prefs->renderEditQueryButton($request, '/bistro')),
        // A two-control pref form for quick access.
        $this->prefs->renderUpdateForm(
          $request,
          // No hidden controls for these, since they have real controls below.
          array_fill_keys($mini_form_prefs, null),
          array(
            phabricator_tag('table', array('width'=>'100%'),
              phabricator_tag('tr', array(), array(
                phabricator_tag('td', array(), $mini_form_controls),
                phabricator_tag('td', array(),
                  phabricator_tag('button', array('type' => 'submit'), 'Update'))))))))));

    $panel->appendChild(phabricator_tag(
      'div',
      array('class' => 'fetcher-summary'),
      bistro_ucfirst($this->fetcher->getSummary())));
    $panel->appendChild($this->fetcher->loadErrors()->render());
    $panel->appendChild(bistro_id(new BistroJobSummaryView(
      $this->prefs, $sorted_jobs, $this->fetcher))->render());
    $panel->appendChild(bistro_monitor_log()->render());
    $panel->appendChild($pager);
    $panel->appendChild($rendered_jobs);
    $panel->appendChild($pager);

    // Forward to JS prefs that the logs endpoint should use for fetching logs
    require_celerity_resource('bistro-render-node-group-details');
    Javelin::initBehavior(
      'set-log-fetching-config', $this->prefs->getExplicitCommonPrefs());

    return $this->buildStandardPageResponse(
      array($panel, $this->prefs->render()),
      array('title' => 'Bistro Jobs'));
  }