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DiffusionBlameController.php
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Fri, Nov 22, 18:39

DiffusionBlameController.php
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<?php
final class DiffusionBlameController extends DiffusionController {
public function shouldAllowPublic() {
return true;
}
public function handleRequest(AphrontRequest $request) {
$response = $this->loadDiffusionContext();
if ($response) {
return $response;
}
$viewer = $this->getViewer();
$drequest = $this->getDiffusionRequest();
$repository = $drequest->getRepository();
$blame = $this->loadBlame();
$identifiers = array_fuse($blame);
if ($identifiers) {
$commits = id(new DiffusionCommitQuery())
->setViewer($viewer)
->withRepository($repository)
->withIdentifiers($identifiers)
->needIdentities(true)
// See PHI1014. If identities haven't been built yet, we may need to
// fall back to raw commit data.
->needCommitData(true)
->execute();
$commits = mpull($commits, null, 'getCommitIdentifier');
} else {
$commits = array();
}
$commit_map = mpull($commits, 'getCommitIdentifier', 'getPHID');
$revisions = array();
$revision_map = array();
if ($commits) {
$revision_ids = id(new DifferentialRevision())
->loadIDsByCommitPHIDs(array_keys($commit_map));
if ($revision_ids) {
$revisions = id(new DifferentialRevisionQuery())
->setViewer($viewer)
->withIDs($revision_ids)
->execute();
$revisions = mpull($revisions, null, 'getID');
}
foreach ($revision_ids as $commit_phid => $revision_id) {
// If the viewer can't actually see this revision, skip it.
if (!isset($revisions[$revision_id])) {
continue;
}
$revision_map[$commit_map[$commit_phid]] = $revision_id;
}
}
$base_href = (string)$drequest->generateURI(
array(
'action' => 'browse',
'stable' => true,
));
$skip_text = pht('Skip Past This Commit');
$skip_icon = id(new PHUIIconView())
->setIcon('fa-backward');
Javelin::initBehavior('phabricator-tooltips');
$handle_phids = array();
foreach ($commits as $commit) {
$handle_phids[] = $commit->getAuthorDisplayPHID();
}
foreach ($revisions as $revision) {
$handle_phids[] = $revision->getAuthorPHID();
}
$handles = $viewer->loadHandles($handle_phids);
$map = array();
$epochs = array();
foreach ($identifiers as $identifier) {
$revision_id = idx($revision_map, $identifier);
if ($revision_id) {
$revision = idx($revisions, $revision_id);
} else {
$revision = null;
}
$skip_href = $base_href.'?before='.$identifier;
$skip_link = javelin_tag(
'a',
array(
'href' => $skip_href,
'sigil' => 'has-tooltip',
'meta' => array(
'tip' => $skip_text,
'align' => 'E',
'size' => 300,
),
),
$skip_icon);
// We may not have a commit object for a given identifier if the commit
// has not imported yet.
// At time of writing, this can also happen if a line was part of the
// initial import: blame produces a "^abc123" identifier in Git, which
// doesn't correspond to a real commit.
$commit = idx($commits, $identifier);
$author_phid = null;
if ($commit) {
$author_phid = $commit->getAuthorDisplayPHID();
}
if (!$author_phid) {
// This means we couldn't identify an author for the commit or the
// revision. We just render a blank for alignment.
$author_style = null;
$author_href = null;
$author_sigil = null;
$author_meta = null;
} else {
$author_src = $handles[$author_phid]->getImageURI();
$author_style = 'background-image: url('.$author_src.');';
$author_href = $handles[$author_phid]->getURI();
$author_sigil = 'has-tooltip';
$author_meta = array(
'tip' => $handles[$author_phid]->getName(),
'align' => 'E',
'size' => 'auto',
);
}
$author_link = javelin_tag(
$author_href ? 'a' : 'span',
array(
'class' => 'phabricator-source-blame-author',
'style' => $author_style,
'href' => $author_href,
'sigil' => $author_sigil,
'meta' => $author_meta,
));
if ($commit) {
$commit_link = javelin_tag(
'a',
array(
'href' => $commit->getURI(),
'sigil' => 'has-tooltip',
'meta' => array(
'tip' => $this->renderCommitTooltip($commit, $handles),
'align' => 'E',
'size' => 600,
),
),
$commit->getLocalName());
} else {
$commit_link = null;
}
$info = array(
$author_link,
$commit_link,
);
if ($revision) {
$revision_link = javelin_tag(
'a',
array(
'href' => $revision->getURI(),
'sigil' => 'has-tooltip',
'meta' => array(
'tip' => $this->renderRevisionTooltip($revision, $handles),
'align' => 'E',
'size' => 600,
),
),
$revision->getMonogram());
$info = array(
$info,
" \xC2\xB7 ",
$revision_link,
);
}
if ($commit) {
$epoch = $commit->getEpoch();
} else {
$epoch = 0;
}
$epochs[] = $epoch;
$data = array(
'skip' => $skip_link,
'info' => hsprintf('%s', $info),
'epoch' => $epoch,
);
$map[$identifier] = $data;
}
$epoch_min = min($epochs);
$epoch_max = max($epochs);
return id(new AphrontAjaxResponse())->setContent(
array(
'blame' => $blame,
'map' => $map,
'epoch' => array(
'min' => $epoch_min,
'max' => $epoch_max,
),
));
}
private function loadBlame() {
$drequest = $this->getDiffusionRequest();
$commit = $drequest->getCommit();
$path = $drequest->getPath();
$blame_timeout = 15;
$blame = $this->callConduitWithDiffusionRequest(
'diffusion.blame',
array(
'commit' => $commit,
'paths' => array($path),
'timeout' => $blame_timeout,
));
return idx($blame, $path, array());
}
private function renderRevisionTooltip(
DifferentialRevision $revision,
$handles) {
$viewer = $this->getViewer();
$date = phabricator_date($revision->getDateModified(), $viewer);
$monogram = $revision->getMonogram();
$title = $revision->getTitle();
$header = "{$monogram} {$title}";
$author = $handles[$revision->getAuthorPHID()]->getName();
return "{$header}\n{$date} \xC2\xB7 {$author}";
}
private function renderCommitTooltip(
PhabricatorRepositoryCommit $commit,
$handles) {
$viewer = $this->getViewer();
$date = phabricator_date($commit->getEpoch(), $viewer);
$summary = trim($commit->getSummary());
$author_phid = $commit->getAuthorPHID();
if ($author_phid && isset($handles[$author_phid])) {
$author_name = $handles[$author_phid]->getName();
} else {
$author_name = null;
}
if ($author_name) {
return "{$summary}\n{$date} \xC2\xB7 {$author_name}";
} else {
return "{$summary}\n{$date}";
}
}
}

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