src/applications/diffusion/controller/DiffusionBlameController.php

   1 <?php
   2
   3 final class DiffusionBlameController extends DiffusionController {
   4
   5   public function shouldAllowPublic() {
   6     return true;
   7   }
   8
   9   public function handleRequest(AphrontRequest $request) {
  10     $response = $this->loadDiffusionContext();
  11     if ($response) {
  12       return $response;
  13     }
  14
  15     $viewer = $this->getViewer();
  16     $drequest = $this->getDiffusionRequest();
  17     $repository = $drequest->getRepository();
  18
  19     $blame = $this->loadBlame();
  20
  21     $identifiers = array_fuse($blame);
  22     if ($identifiers) {
  23       $commits = id(new DiffusionCommitQuery())
  24         ->setViewer($viewer)
  25         ->withRepository($repository)
  26         ->withIdentifiers($identifiers)
  27         ->needIdentities(true)
  28         // See PHI1014. If identities haven't been built yet, we may need to
  29         // fall back to raw commit data.
  30         ->needCommitData(true)
  31         ->execute();
  32       $commits = mpull($commits, null, 'getCommitIdentifier');
  33     } else {
  34       $commits = array();
  35     }
  36
  37     $commit_map = mpull($commits, 'getCommitIdentifier', 'getPHID');
  38
  39     $revision_map = DiffusionCommitRevisionQuery::loadRevisionMapForCommits(
  40       $viewer,
  41       $commits);
  42
  43     $base_href = (string)$drequest->generateURI(
  44       array(
  45         'action' => 'browse',
  46         'stable' => true,
  47       ));
  48
  49     $skip_text = pht('Skip Past This Commit');
  50     $skip_icon = id(new PHUIIconView())
  51       ->setIcon('fa-backward');
  52
  53     Javelin::initBehavior('phabricator-tooltips');
  54
  55     $handle_phids = array();
  56     foreach ($commits as $commit) {
  57       $handle_phids[] = $commit->getAuthorDisplayPHID();
  58     }
  59
  60     foreach ($revision_map as $revisions) {
  61       foreach ($revisions as $revision) {
  62         $handle_phids[] = $revision->getAuthorPHID();
  63       }
  64     }
  65
  66     $handles = $viewer->loadHandles($handle_phids);
  67
  68     $map = array();
  69     $epochs = array();
  70     foreach ($identifiers as $identifier) {
  71       $skip_href = $base_href.'?before='.$identifier;
  72
  73       $skip_link = javelin_tag(
  74         'a',
  75         array(
  76           'href'  => $skip_href,
  77           'sigil' => 'has-tooltip',
  78           'meta'  => array(
  79             'tip'     => $skip_text,
  80             'align'   => 'E',
  81             'size'    => 300,
  82           ),
  83         ),
  84         $skip_icon);
  85
  86       // We may not have a commit object for a given identifier if the commit
  87       // has not imported yet.
  88
  89       // At time of writing, this can also happen if a line was part of the
  90       // initial import: blame produces a "^abc123" identifier in Git, which
  91       // doesn't correspond to a real commit.
  92
  93       $commit = idx($commits, $identifier);
  94
  95       $revision = null;
  96       if ($commit) {
  97         $revisions = idx($revision_map, $commit->getPHID());
  98
  99         // There may be multiple edges between this commit and revisions in the
 100         // database. If there are, just pick one arbitrarily.
 101         if ($revisions) {
 102           $revision = head($revisions);
 103         }
 104       }
 105
 106       $author_phid = null;
 107
 108       if ($commit) {
 109         $author_phid = $commit->getAuthorDisplayPHID();
 110       }
 111
 112       if (!$author_phid) {
 113         // This means we couldn't identify an author for the commit or the
 114         // revision. We just render a blank for alignment.
 115         $author_style = null;
 116         $author_href = null;
 117         $author_sigil = null;
 118         $author_meta = null;
 119       } else {
 120         $author_src = $handles[$author_phid]->getImageURI();
 121         $author_style = 'background-image: url('.$author_src.');';
 122         $author_href = $handles[$author_phid]->getURI();
 123         $author_sigil = 'has-tooltip';
 124         $author_meta = array(
 125           'tip' => $handles[$author_phid]->getName(),
 126           'align' => 'E',
 127           'size'  => 'auto',
 128         );
 129       }
 130
 131       $author_link = javelin_tag(
 132         $author_href ? 'a' : 'span',
 133         array(
 134           'class' => 'phabricator-source-blame-author',
 135           'style' => $author_style,
 136           'href' => $author_href,
 137           'sigil' => $author_sigil,
 138           'meta' => $author_meta,
 139         ));
 140
 141       if ($commit) {
 142         $commit_link = javelin_tag(
 143           'a',
 144           array(
 145             'href' => $commit->getURI(),
 146             'sigil' => 'has-tooltip',
 147             'meta'  => array(
 148               'tip' => $this->renderCommitTooltip($commit, $handles),
 149               'align' => 'E',
 150               'size' => 600,
 151             ),
 152           ),
 153           $commit->getLocalName());
 154       } else {
 155         $commit_link = null;
 156       }
 157
 158       $info = array(
 159         $author_link,
 160         $commit_link,
 161       );
 162
 163       if ($revision) {
 164         $revision_link = javelin_tag(
 165           'a',
 166           array(
 167             'href' => $revision->getURI(),
 168             'sigil' => 'has-tooltip',
 169             'meta'  => array(
 170               'tip' => $this->renderRevisionTooltip($revision, $handles),
 171               'align' => 'E',
 172               'size' => 600,
 173             ),
 174           ),
 175           $revision->getMonogram());
 176
 177         $info = array(
 178           $info,
 179           " \xC2\xB7 ",
 180           $revision_link,
 181         );
 182       }
 183
 184       if ($commit) {
 185         $epoch = $commit->getEpoch();
 186       } else {
 187         $epoch = 0;
 188       }
 189
 190       $epochs[] = $epoch;
 191
 192       $data = array(
 193         'skip' => $skip_link,
 194         'info' => hsprintf('%s', $info),
 195         'epoch' => $epoch,
 196       );
 197
 198       $map[$identifier] = $data;
 199     }
 200
 201     $epoch_min = min($epochs);
 202     $epoch_max = max($epochs);
 203
 204     return id(new AphrontAjaxResponse())->setContent(
 205       array(
 206         'blame' => $blame,
 207         'map' => $map,
 208         'epoch' => array(
 209           'min' => $epoch_min,
 210           'max' => $epoch_max,
 211         ),
 212       ));
 213   }
 214
 215   private function loadBlame() {
 216     $drequest = $this->getDiffusionRequest();
 217
 218     $commit = $drequest->getCommit();
 219     $path = $drequest->getPath();
 220
 221     $blame_timeout = 15;
 222
 223     $blame = $this->callConduitWithDiffusionRequest(
 224       'diffusion.blame',
 225       array(
 226         'commit' => $commit,
 227         'paths' => array($path),
 228         'timeout' => $blame_timeout,
 229       ));
 230
 231     return idx($blame, $path, array());
 232   }
 233
 234   private function renderRevisionTooltip(
 235     DifferentialRevision $revision,
 236     $handles) {
 237     $viewer = $this->getViewer();
 238
 239     $date = phabricator_date($revision->getDateModified(), $viewer);
 240     $monogram = $revision->getMonogram();
 241     $title = $revision->getTitle();
 242     $header = "{$monogram} {$title}";
 243
 244     $author = $handles[$revision->getAuthorPHID()]->getName();
 245
 246     return "{$header}\n{$date} \xC2\xB7 {$author}";
 247   }
 248
 249   private function renderCommitTooltip(
 250     PhabricatorRepositoryCommit $commit,
 251     $handles) {
 252
 253     $viewer = $this->getViewer();
 254
 255     $date = phabricator_date($commit->getEpoch(), $viewer);
 256     $summary = trim($commit->getSummary());
 257
 258     $author_phid = $commit->getAuthorPHID();
 259     if ($author_phid && isset($handles[$author_phid])) {
 260       $author_name = $handles[$author_phid]->getName();
 261     } else {
 262       $author_name = null;
 263     }
 264
 265     if ($author_name) {
 266       return "{$summary}\n{$date} \xC2\xB7 {$author_name}";
 267     } else {
 268       return "{$summary}\n{$date}";
 269     }
 270   }
 271
 272 }