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HeraldTranscriptController.php
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Mon, Nov 25, 08:27

HeraldTranscriptController.php
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<?php
final class HeraldTranscriptController extends HeraldController {
const FILTER_AFFECTED = 'affected';
const FILTER_OWNED = 'owned';
const FILTER_ALL = 'all';
private $id;
private $filter;
private $handles;
private $adapter;
public function willProcessRequest(array $data) {
$this->id = $data['id'];
$map = $this->getFilterMap();
$this->filter = idx($data, 'filter');
if (empty($map[$this->filter])) {
$this->filter = self::FILTER_ALL;
}
}
private function getAdapter() {
return $this->adapter;
}
public function processRequest() {
$request = $this->getRequest();
$viewer = $request->getUser();
$xscript = id(new HeraldTranscriptQuery())
->setViewer($viewer)
->withIDs(array($this->id))
->executeOne();
if (!$xscript) {
return new Aphront404Response();
}
require_celerity_resource('herald-test-css');
$nav = $this->buildSideNav();
$object_xscript = $xscript->getObjectTranscript();
if (!$object_xscript) {
$notice = id(new PHUIInfoView())
->setSeverity(PHUIInfoView::SEVERITY_NOTICE)
->setTitle(pht('Old Transcript'))
->appendChild(phutil_tag(
'p',
array(),
pht('Details of this transcript have been garbage collected.')));
$nav->appendChild($notice);
} else {
$map = HeraldAdapter::getEnabledAdapterMap($viewer);
$object_type = $object_xscript->getType();
if (empty($map[$object_type])) {
// TODO: We should filter these out in the Query, but we have to load
// the objectTranscript right now, which is potentially enormous. We
// should denormalize the object type, or move the data into a separate
// table, and then filter this earlier (and thus raise a better error).
// For now, just block access so we don't violate policies.
throw new Exception(
pht('This transcript has an invalid or inaccessible adapter.'));
}
$this->adapter = HeraldAdapter::getAdapterForContentType($object_type);
$filter = $this->getFilterPHIDs();
$this->filterTranscript($xscript, $filter);
$phids = array_merge($filter, $this->getTranscriptPHIDs($xscript));
$phids = array_unique($phids);
$phids = array_filter($phids);
$handles = $this->loadViewerHandles($phids);
$this->handles = $handles;
if ($xscript->getDryRun()) {
$notice = new PHUIInfoView();
$notice->setSeverity(PHUIInfoView::SEVERITY_NOTICE);
$notice->setTitle(pht('Dry Run'));
$notice->appendChild(pht('This was a dry run to test Herald '.
'rules, no actions were executed.'));
$nav->appendChild($notice);
}
$warning_panel = $this->buildWarningPanel($xscript);
$nav->appendChild($warning_panel);
$apply_xscript_panel = $this->buildApplyTranscriptPanel(
$xscript);
$nav->appendChild($apply_xscript_panel);
$action_xscript_panel = $this->buildActionTranscriptPanel(
$xscript);
$nav->appendChild($action_xscript_panel);
$object_xscript_panel = $this->buildObjectTranscriptPanel(
$xscript);
$nav->appendChild($object_xscript_panel);
}
$crumbs = id($this->buildApplicationCrumbs())
->addTextCrumb(
pht('Transcripts'),
$this->getApplicationURI('/transcript/'))
->addTextCrumb($xscript->getID());
$nav->setCrumbs($crumbs);
return $this->buildApplicationPage(
$nav,
array(
'title' => pht('Transcript'),
));
}
protected function renderConditionTestValue($condition, $handles) {
switch ($condition->getFieldName()) {
case HeraldAdapter::FIELD_RULE:
$value = array($condition->getTestValue());
break;
default:
$value = $condition->getTestValue();
break;
}
if (!is_scalar($value) && $value !== null) {
foreach ($value as $key => $phid) {
$handle = idx($handles, $phid);
if ($handle) {
$value[$key] = $handle->getName();
} else {
// This shouldn't ever really happen as we are supposed to have
// grabbed handles for everything, but be super liberal in what
// we accept here since we expect all sorts of weird issues as we
// version the system.
$value[$key] = 'Unknown Object #'.$phid;
}
}
sort($value);
$value = implode(', ', $value);
}
return phutil_tag('span', array('class' => 'condition-test-value'), $value);
}
private function buildSideNav() {
$nav = new AphrontSideNavFilterView();
$nav->setBaseURI(new PhutilURI('/herald/transcript/'.$this->id.'/'));
$items = array();
$filters = $this->getFilterMap();
foreach ($filters as $key => $name) {
$nav->addFilter($key, $name);
}
$nav->selectFilter($this->filter, null);
return $nav;
}
protected function getFilterMap() {
return array(
self::FILTER_ALL => pht('All Rules'),
self::FILTER_OWNED => pht('Rules I Own'),
self::FILTER_AFFECTED => pht('Rules that Affected Me'),
);
}
protected function getFilterPHIDs() {
return array($this->getRequest()->getUser()->getPHID());
}
protected function getTranscriptPHIDs($xscript) {
$phids = array();
$object_xscript = $xscript->getObjectTranscript();
if (!$object_xscript) {
return array();
}
$phids[] = $object_xscript->getPHID();
foreach ($xscript->getApplyTranscripts() as $apply_xscript) {
// TODO: This is total hacks. Add another amazing layer of abstraction.
$target = (array)$apply_xscript->getTarget();
foreach ($target as $phid) {
if ($phid) {
$phids[] = $phid;
}
}
}
foreach ($xscript->getRuleTranscripts() as $rule_xscript) {
$phids[] = $rule_xscript->getRuleOwner();
}
$condition_xscripts = $xscript->getConditionTranscripts();
if ($condition_xscripts) {
$condition_xscripts = call_user_func_array(
'array_merge',
$condition_xscripts);
}
foreach ($condition_xscripts as $condition_xscript) {
switch ($condition_xscript->getFieldName()) {
case HeraldAdapter::FIELD_RULE:
$phids[] = $condition_xscript->getTestValue();
break;
default:
$value = $condition_xscript->getTestValue();
// TODO: Also total hacks.
if (is_array($value)) {
foreach ($value as $phid) {
if ($phid) { // TODO: Probably need to make sure this
// "looks like" a PHID or decrease the level of hacks here;
// this used to be an is_numeric() check in Facebook land.
$phids[] = $phid;
}
}
}
break;
}
}
return $phids;
}
protected function filterTranscript($xscript, $filter_phids) {
$filter_owned = ($this->filter == self::FILTER_OWNED);
$filter_affected = ($this->filter == self::FILTER_AFFECTED);
if (!$filter_owned && !$filter_affected) {
// No filtering to be done.
return;
}
if (!$xscript->getObjectTranscript()) {
return;
}
$user_phid = $this->getRequest()->getUser()->getPHID();
$keep_apply_xscripts = array();
$keep_rule_xscripts = array();
$filter_phids = array_fill_keys($filter_phids, true);
$rule_xscripts = $xscript->getRuleTranscripts();
foreach ($xscript->getApplyTranscripts() as $id => $apply_xscript) {
$rule_id = $apply_xscript->getRuleID();
if ($filter_owned) {
if (empty($rule_xscripts[$rule_id])) {
// No associated rule so you can't own this effect.
continue;
}
if ($rule_xscripts[$rule_id]->getRuleOwner() != $user_phid) {
continue;
}
} else if ($filter_affected) {
$targets = (array)$apply_xscript->getTarget();
if (!array_select_keys($filter_phids, $targets)) {
continue;
}
}
$keep_apply_xscripts[$id] = true;
if ($rule_id) {
$keep_rule_xscripts[$rule_id] = true;
}
}
foreach ($rule_xscripts as $rule_id => $rule_xscript) {
if ($filter_owned && $rule_xscript->getRuleOwner() == $user_phid) {
$keep_rule_xscripts[$rule_id] = true;
}
}
$xscript->setRuleTranscripts(
array_intersect_key(
$xscript->getRuleTranscripts(),
$keep_rule_xscripts));
$xscript->setApplyTranscripts(
array_intersect_key(
$xscript->getApplyTranscripts(),
$keep_apply_xscripts));
$xscript->setConditionTranscripts(
array_intersect_key(
$xscript->getConditionTranscripts(),
$keep_rule_xscripts));
}
private function buildWarningPanel(HeraldTranscript $xscript) {
$request = $this->getRequest();
$panel = null;
if ($xscript->getObjectTranscript()) {
$handles = $this->handles;
$object_xscript = $xscript->getObjectTranscript();
$handle = $handles[$object_xscript->getPHID()];
if ($handle->getType() ==
PhabricatorRepositoryCommitPHIDType::TYPECONST) {
$commit = id(new DiffusionCommitQuery())
->setViewer($request->getUser())
->withPHIDs(array($handle->getPHID()))
->executeOne();
if ($commit) {
$repository = $commit->getRepository();
if ($repository->isImporting()) {
$title = pht(
'The %s repository is still importing.',
$repository->getMonogram());
$body = pht(
'Herald rules will not trigger until import completes.');
} else if (!$repository->isTracked()) {
$title = pht(
'The %s repository is not tracked.',
$repository->getMonogram());
$body = pht(
'Herald rules will not trigger until tracking is enabled.');
} else {
return $panel;
}
$panel = id(new PHUIInfoView())
->setSeverity(PHUIInfoView::SEVERITY_WARNING)
->setTitle($title)
->appendChild($body);
}
}
}
return $panel;
}
private function buildApplyTranscriptPanel(HeraldTranscript $xscript) {
$handles = $this->handles;
$adapter = $this->getAdapter();
$rule_type_global = HeraldRuleTypeConfig::RULE_TYPE_GLOBAL;
$action_names = $adapter->getActionNameMap($rule_type_global);
$list = new PHUIObjectItemListView();
$list->setStates(true);
$list->setNoDataString(pht('No actions were taken.'));
foreach ($xscript->getApplyTranscripts() as $apply_xscript) {
$target = $apply_xscript->getTarget();
switch ($apply_xscript->getAction()) {
case HeraldAdapter::ACTION_NOTHING:
$target = null;
break;
case HeraldAdapter::ACTION_FLAG:
$target = PhabricatorFlagColor::getColorName($target);
break;
case HeraldAdapter::ACTION_BLOCK:
// Target is a text string.
$target = $target;
break;
default:
if (is_array($target) && $target) {
foreach ($target as $k => $phid) {
if (isset($handles[$phid])) {
$target[$k] = $handles[$phid]->getName();
}
}
$target = implode(', ', $target);
} else if (is_string($target)) {
$target = $target;
} else {
$target = '<empty>';
}
break;
}
$item = new PHUIObjectItemView();
if ($apply_xscript->getApplied()) {
$item->setState(PHUIObjectItemView::STATE_SUCCESS);
} else {
$item->setState(PHUIObjectItemView::STATE_FAIL);
}
$rule = idx($action_names, $apply_xscript->getAction(), pht('Unknown'));
$item->setHeader(pht('%s: %s', $rule, $target));
$item->addAttribute($apply_xscript->getReason());
$item->addAttribute(
pht('Outcome: %s', $apply_xscript->getAppliedReason()));
$list->addItem($item);
}
$box = new PHUIObjectBoxView();
$box->setHeaderText(pht('Actions Taken'));
$box->appendChild($list);
return $box;
}
private function buildActionTranscriptPanel(HeraldTranscript $xscript) {
$action_xscript = mgroup($xscript->getApplyTranscripts(), 'getRuleID');
$adapter = $this->getAdapter();
$field_names = $adapter->getFieldNameMap();
$condition_names = $adapter->getConditionNameMap();
$handles = $this->handles;
$rule_markup = array();
foreach ($xscript->getRuleTranscripts() as $rule_id => $rule) {
$cond_markup = array();
foreach ($xscript->getConditionTranscriptsForRule($rule_id) as $cond) {
if ($cond->getNote()) {
$note = phutil_tag_div('herald-condition-note', $cond->getNote());
} else {
$note = null;
}
if ($cond->getResult()) {
$result = phutil_tag(
'span',
array('class' => 'herald-outcome condition-pass'),
"\xE2\x9C\x93");
} else {
$result = phutil_tag(
'span',
array('class' => 'herald-outcome condition-fail'),
"\xE2\x9C\x98");
}
$cond_markup[] = phutil_tag(
'li',
array(),
pht(
'%s Condition: %s %s %s%s',
$result,
idx($field_names, $cond->getFieldName(), pht('Unknown')),
idx($condition_names, $cond->getCondition(), pht('Unknown')),
$this->renderConditionTestValue($cond, $handles),
$note));
}
if ($rule->getResult()) {
$result = phutil_tag(
'span',
array('class' => 'herald-outcome rule-pass'),
pht('PASS'));
$class = 'herald-rule-pass';
} else {
$result = phutil_tag(
'span',
array('class' => 'herald-outcome rule-fail'),
pht('FAIL'));
$class = 'herald-rule-fail';
}
$cond_markup[] = phutil_tag(
'li',
array(),
array($result, $rule->getReason()));
$user_phid = $this->getRequest()->getUser()->getPHID();
$name = $rule->getRuleName();
$rule_markup[] =
phutil_tag(
'li',
array(
'class' => $class,
),
phutil_tag_div('rule-name', array(
phutil_tag('strong', array(), $name),
' ',
phutil_tag('ul', array(), $cond_markup),
)));
}
$box = null;
if ($rule_markup) {
$box = new PHUIObjectBoxView();
$box->setHeaderText(pht('Rule Details'));
$box->appendChild(phutil_tag(
'ul',
array('class' => 'herald-explain-list'),
$rule_markup));
}
return $box;
}
private function buildObjectTranscriptPanel(HeraldTranscript $xscript) {
$adapter = $this->getAdapter();
$field_names = $adapter->getFieldNameMap();
$object_xscript = $xscript->getObjectTranscript();
$data = array();
if ($object_xscript) {
$phid = $object_xscript->getPHID();
$handles = $this->handles;
$data += array(
pht('Object Name') => $object_xscript->getName(),
pht('Object Type') => $object_xscript->getType(),
pht('Object PHID') => $phid,
pht('Object Link') => $handles[$phid]->renderLink(),
);
}
$data += $xscript->getMetadataMap();
if ($object_xscript) {
foreach ($object_xscript->getFields() as $field => $value) {
$field = idx($field_names, $field, '['.$field.'?]');
$data['Field: '.$field] = $value;
}
}
$rows = array();
foreach ($data as $name => $value) {
if (!($value instanceof PhutilSafeHTML)) {
if (!is_scalar($value) && !is_null($value)) {
$value = implode("\n", $value);
}
if (strlen($value) > 256) {
$value = phutil_tag(
'textarea',
array(
'class' => 'herald-field-value-transcript',
),
$value);
}
}
$rows[] = array($name, $value);
}
$property_list = new PHUIPropertyListView();
$property_list->setStacked(true);
foreach ($rows as $row) {
$property_list->addProperty($row[0], $row[1]);
}
$box = new PHUIObjectBoxView();
$box->setHeaderText(pht('Object Transcript'));
$box->appendChild($property_list);
return $box;
}
}

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