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88aba65d54
Summary:
This was significantly easier than expected. Here's an example of what an extension class might look like:
```
<?php
final class AddRiskReviewHeraldCustomAction extends HeraldCustomAction {
public function appliesToAdapter(HeraldAdapter $adapter) {
return $adapter instanceof HeraldDifferentialRevisionAdapter;
}
public function appliesToRuleType($rule_type) {
return $rule_type == HeraldRuleTypeConfig::RULE_TYPE_GLOBAL ||
$rule_type == HeraldRuleTypeConfig::RULE_TYPE_OBJECT;
}
public function getActionKey() {
return 'custom:add-risk';
}
public function getActionName() {
return 'Add risk rating (JSON)';
}
public function getActionType() {
return HeraldAdapter::VALUE_TEXT;
}
public function applyEffect(
HeraldAdapter $adapter,
$object,
HeraldEffect $effect) {
$key = "phragile:risk-rating";
// Read existing value.
$field_list = PhabricatorCustomField::getObjectFields(
$object,
PhabricatorCustomField::ROLE_VIEW);
$field_list->readFieldsFromStorage($object);
$field_list = mpull($field_list->getFields(), null, 'getFieldKey');
$field = $field_list[$key];
$field->setObject($object);
$field->setViewer(PhabricatorUser::getOmnipotentUser());
$risk = $field->getValue();
$old_risk = $risk; // PHP copies arrays by default!
// Add new value to array.
$herald_args = phutil_json_decode($effect->getTarget());
$risk[$herald_args['key']] = array(
'value' => $herald_args['value'],
'reason' => $herald_args['reason']);
$risk_key = $herald_args['key'];
// Set new value.
$adapter->queueTransaction(
id(new DifferentialTransaction())
->setTransactionType(PhabricatorTransactions::TYPE_CUSTOMFIELD)
->setMetadataValue('customfield:key', $key)
->setOldValue($old_risk)
->setNewValue($risk));
return new HeraldApplyTranscript(
$effect,
true,
pht(
'Modifying automatic risk ratings (key: %s)!',
$risk_key));
}
}
```
Test Plan: Created a custom action for differential revisions, set up a Herald rule to match and trigger the custom action, did 'arc diff' and saw the action trigger in the transcripts.
Reviewers: epriestley, #blessed_reviewers
Reviewed By: epriestley, #blessed_reviewers
Subscribers: locutus, edutibau, ite-klass, epriestley, Korvin
Maniphest Tasks: T4884
Differential Revision: https://secure.phabricator.com/D8784
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