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HeraldTranscript.php
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Created
Fri, Nov 29, 16:05

HeraldTranscript.php
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<?php
final class HeraldTranscript extends HeraldDAO
implements
PhabricatorPolicyInterface,
PhabricatorDestructibleInterface {
protected $objectTranscript;
protected $ruleTranscripts = array();
protected $conditionTranscripts = array();
protected $applyTranscripts = array();
protected $time;
protected $host;
protected $duration;
protected $objectPHID;
protected $dryRun;
protected $garbageCollected = 0;
const TABLE_SAVED_HEADER = 'herald_savedheader';
public function getXHeraldRulesHeader() {
$ids = array();
foreach ($this->applyTranscripts as $xscript) {
if ($xscript->getApplied()) {
if ($xscript->getRuleID()) {
$ids[] = $xscript->getRuleID();
}
}
}
if (!$ids) {
return 'none';
}
// A rule may have multiple effects, which will cause it to be listed
// multiple times.
$ids = array_unique($ids);
foreach ($ids as $k => $id) {
$ids[$k] = '<'.$id.'>';
}
return implode(', ', $ids);
}
public static function saveXHeraldRulesHeader($phid, $header) {
// Combine any existing header with the new header, listing all rules
// which have ever triggered for this object.
$header = self::combineXHeraldRulesHeaders(
self::loadXHeraldRulesHeader($phid),
$header);
queryfx(
id(new HeraldTranscript())->establishConnection('w'),
'INSERT INTO %T (phid, header) VALUES (%s, %s)
ON DUPLICATE KEY UPDATE header = VALUES(header)',
self::TABLE_SAVED_HEADER,
$phid,
$header);
return $header;
}
private static function combineXHeraldRulesHeaders($u, $v) {
$u = preg_split('/[, ]+/', $u);
$v = preg_split('/[, ]+/', $v);
$combined = array_unique(array_filter(array_merge($u, $v)));
return implode(', ', $combined);
}
public static function loadXHeraldRulesHeader($phid) {
$header = queryfx_one(
id(new HeraldTranscript())->establishConnection('r'),
'SELECT * FROM %T WHERE phid = %s',
self::TABLE_SAVED_HEADER,
$phid);
if ($header) {
return idx($header, 'header');
}
return null;
}
protected function getConfiguration() {
// Ugh. Too much of a mess to deal with.
return array(
self::CONFIG_AUX_PHID => true,
self::CONFIG_TIMESTAMPS => false,
self::CONFIG_SERIALIZATION => array(
'objectTranscript' => self::SERIALIZATION_PHP,
'ruleTranscripts' => self::SERIALIZATION_PHP,
'conditionTranscripts' => self::SERIALIZATION_PHP,
'applyTranscripts' => self::SERIALIZATION_PHP,
),
self::CONFIG_BINARY => array(
'objectTranscript' => true,
'ruleTranscripts' => true,
'conditionTranscripts' => true,
'applyTranscripts' => true,
),
self::CONFIG_COLUMN_SCHEMA => array(
'time' => 'epoch',
'host' => 'text255',
'duration' => 'double',
'dryRun' => 'bool',
'garbageCollected' => 'bool',
),
self::CONFIG_KEY_SCHEMA => array(
'key_phid' => null,
'phid' => array(
'columns' => array('phid'),
'unique' => true,
),
'objectPHID' => array(
'columns' => array('objectPHID'),
),
'garbageCollected' => array(
'columns' => array('garbageCollected', 'time'),
),
),
) + parent::getConfiguration();
}
public function __construct() {
$this->time = time();
$this->host = php_uname('n');
}
public function addApplyTranscript(HeraldApplyTranscript $transcript) {
$this->applyTranscripts[] = $transcript;
return $this;
}
public function getApplyTranscripts() {
return nonempty($this->applyTranscripts, array());
}
public function setDuration($duration) {
$this->duration = $duration;
return $this;
}
public function setObjectTranscript(HeraldObjectTranscript $transcript) {
$this->objectTranscript = $transcript;
return $this;
}
public function getObjectTranscript() {
return $this->objectTranscript;
}
public function addRuleTranscript(HeraldRuleTranscript $transcript) {
$this->ruleTranscripts[$transcript->getRuleID()] = $transcript;
return $this;
}
public function discardDetails() {
$this->applyTranscripts = null;
$this->ruleTranscripts = null;
$this->objectTranscript = null;
$this->conditionTranscripts = null;
}
public function getRuleTranscripts() {
return nonempty($this->ruleTranscripts, array());
}
public function addConditionTranscript(
HeraldConditionTranscript $transcript) {
$rule_id = $transcript->getRuleID();
$cond_id = $transcript->getConditionID();
$this->conditionTranscripts[$rule_id][$cond_id] = $transcript;
return $this;
}
public function getConditionTranscriptsForRule($rule_id) {
return idx($this->conditionTranscripts, $rule_id, array());
}
public function getMetadataMap() {
return array(
'Run At Epoch' => date('F jS, g:i:s A', $this->time),
'Run On Host' => $this->host,
'Run Duration' => (int)(1000 * $this->duration).' ms',
);
}
public function generatePHID() {
return PhabricatorPHID::generateNewPHID('HLXS');
}
/* -( PhabricatorPolicyInterface )----------------------------------------- */
public function getCapabilities() {
return array(
PhabricatorPolicyCapability::CAN_VIEW,
);
}
public function getPolicy($capability) {
switch ($capability) {
case PhabricatorPolicyCapability::CAN_VIEW:
return PhabricatorPolicies::POLICY_USER;
}
}
public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
return false;
}
public function describeAutomaticCapability($capability) {
return pht(
'To view a transcript, you must be able to view the object the '.
'transcript is about.');
}
/* -( PhabricatorDestructibleInterface )----------------------------------- */
public function destroyObjectPermanently(
PhabricatorDestructionEngine $engine) {
$this->openTransaction();
$this->delete();
$this->saveTransaction();
}
}

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