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HeraldRule.php
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Sat, Dec 28, 16:07

HeraldRule.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
class HeraldRule extends HeraldDAO {
const TABLE_RULE_APPLIED = 'herald_ruleapplied';
protected $name;
protected $authorPHID;
protected $contentType;
protected $mustMatchAll;
protected $repetitionPolicy;
protected $ruleType;
protected $configVersion = 8;
private $ruleApplied = array(); // phids for which this rule has been applied
public static function loadAllByContentTypeWithFullData(
$content_type,
$object_phid) {
$rules = id(new HeraldRule())->loadAllWhere(
'contentType = %s',
$content_type);
if (!$rules) {
return array();
}
$rule_ids = mpull($rules, 'getID');
$conditions = id(new HeraldCondition())->loadAllWhere(
'ruleID in (%Ld)',
$rule_ids);
$actions = id(new HeraldAction())->loadAllWhere(
'ruleID in (%Ld)',
$rule_ids);
$applied = queryfx_all(
id(new HeraldRule())->establishConnection('r'),
'SELECT * FROM %T WHERE phid = %s',
self::TABLE_RULE_APPLIED,
$object_phid);
$applied = ipull($applied, null, 'ruleID');
$conditions = mgroup($conditions, 'getRuleID');
$actions = mgroup($actions, 'getRuleID');
$applied = igroup($applied, 'ruleID');
foreach ($rules as $rule) {
$rule->setRuleApplied($object_phid, isset($applied[$rule->getID()]));
$rule->attachConditions(idx($conditions, $rule->getID(), array()));
$rule->attachActions(idx($actions, $rule->getID(), array()));
}
return $rules;
}
public function getRuleApplied($phid) {
if (idx($this->ruleApplied, $phid) === null) {
throw new Exception("Call setRuleApplied() before getRuleApplied()!");
}
return $this->ruleApplied[$phid];
}
public function setRuleApplied($phid, $applied) {
$this->ruleApplied[$phid] = $applied;
return $this;
}
public function loadConditions() {
if (!$this->getID()) {
return array();
}
return id(new HeraldCondition())->loadAllWhere(
'ruleID = %d',
$this->getID());
}
public function attachConditions(array $conditions) {
$this->conditions = $conditions;
return $this;
}
public function getConditions() {
// TODO: validate conditions have been attached.
return $this->conditions;
}
public function loadActions() {
if (!$this->getID()) {
return array();
}
return id(new HeraldAction())->loadAllWhere(
'ruleID = %d',
$this->getID());
}
public function attachActions(array $actions) {
// TODO: validate actions have been attached.
$this->actions = $actions;
return $this;
}
public function getActions() {
return $this->actions;
}
public function saveConditions(array $conditions) {
return $this->saveChildren(
id(new HeraldCondition())->getTableName(),
$conditions);
}
public function saveActions(array $actions) {
return $this->saveChildren(
id(new HeraldAction())->getTableName(),
$actions);
}
protected function saveChildren($table_name, array $children) {
if (!$this->getID()) {
throw new Exception("Save rule before saving children.");
}
foreach ($children as $child) {
$child->setRuleID($this->getID());
}
// TODO:
// $this->openTransaction();
queryfx(
$this->establishConnection('w'),
'DELETE FROM %T WHERE ruleID = %d',
$table_name,
$this->getID());
foreach ($children as $child) {
$child->save();
}
// $this->saveTransaction();
}
public function delete() {
// TODO:
// $this->openTransaction();
queryfx(
$this->establishConnection('w'),
'DELETE FROM %T WHERE ruleID = %d',
id(new HeraldCondition())->getTableName(),
$this->getID());
queryfx(
$this->establishConnection('w'),
'DELETE FROM %T WHERE ruleID = %d',
id(new HeraldAction())->getTableName(),
$this->getID());
parent::delete();
// $this->saveTransaction();
}
}

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