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phorge/src/applications/herald/controller/HeraldRuleController.php
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HeraldRuleController.php
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<?php
final class HeraldRuleController extends HeraldController {
private $id;
private $filter;
public function willProcessRequest(array $data) {
$this->id = (int)idx($data, 'id');
}
public function processRequest() {
$request = $this->getRequest();
$user = $request->getUser();
$content_type_map = HeraldAdapter::getEnabledAdapterMap();
$rule_type_map = HeraldRuleTypeConfig::getRuleTypeMap();
if ($this->id) {
$id = $this->id;
$rule = id(new HeraldRuleQuery())
->setViewer($user)
->withIDs(array($id))
->requireCapabilities(
array(
PhabricatorPolicyCapability::CAN_VIEW,
PhabricatorPolicyCapability::CAN_EDIT,
))
->executeOne();
if (!$rule) {
return new Aphront404Response();
}
$cancel_uri = $this->getApplicationURI("rule/{$id}/");
} else {
$rule = new HeraldRule();
$rule->setAuthorPHID($user->getPHID());
$rule->setMustMatchAll(true);
$content_type = $request->getStr('content_type');
$rule->setContentType($content_type);
$rule_type = $request->getStr('rule_type');
if (!isset($rule_type_map[$rule_type])) {
$rule_type = HeraldRuleTypeConfig::RULE_TYPE_GLOBAL;
}
$rule->setRuleType($rule_type);
$cancel_uri = $this->getApplicationURI();
}
$adapter = HeraldAdapter::getAdapterForContentType($rule->getContentType());
$local_version = id(new HeraldRule())->getConfigVersion();
if ($rule->getConfigVersion() > $local_version) {
throw new Exception(
"This rule was created with a newer version of Herald. You can not ".
"view or edit it in this older version. Upgrade your Phabricator ".
"deployment.");
}
// Upgrade rule version to our version, since we might add newly-defined
// conditions, etc.
$rule->setConfigVersion($local_version);
$rule_conditions = $rule->loadConditions();
$rule_actions = $rule->loadActions();
$rule->attachConditions($rule_conditions);
$rule->attachActions($rule_actions);
$e_name = true;
$errors = array();
if ($request->isFormPost() && $request->getStr('save')) {
list($e_name, $errors) = $this->saveRule($adapter, $rule, $request);
if (!$errors) {
$id = $rule->getID();
$uri = $this->getApplicationURI("rule/{$id}/");
return id(new AphrontRedirectResponse())->setURI($uri);
}
}
if ($errors) {
$error_view = new AphrontErrorView();
$error_view->setTitle(pht('Form Errors'));
$error_view->setErrors($errors);
} else {
$error_view = null;
}
$must_match_selector = $this->renderMustMatchSelector($rule);
$repetition_selector = $this->renderRepetitionSelector($rule, $adapter);
$handles = $this->loadHandlesForRule($rule);
require_celerity_resource('herald-css');
$content_type_name = $content_type_map[$rule->getContentType()];
$rule_type_name = $rule_type_map[$rule->getRuleType()];
$form = id(new AphrontFormView())
->setUser($user)
->setID('herald-rule-edit-form')
->addHiddenInput('content_type', $rule->getContentType())
->addHiddenInput('rule_type', $rule->getRuleType())
->addHiddenInput('save', 1)
->appendChild(
// Build this explicitly (instead of using addHiddenInput())
// so we can add a sigil to it.
javelin_tag(
'input',
array(
'type' => 'hidden',
'name' => 'rule',
'sigil' => 'rule',
)))
->appendChild(
id(new AphrontFormTextControl())
->setLabel(pht('Rule Name'))
->setName('name')
->setError($e_name)
->setValue($rule->getName()));
$form
->appendChild(
id(new AphrontFormMarkupControl())
->setValue(pht(
"This %s rule triggers for %s.",
phutil_tag('strong', array(), $rule_type_name),
phutil_tag('strong', array(), $content_type_name))))
->appendChild(
id(new AphrontFormInsetView())
->setTitle(pht('Conditions'))
->setRightButton(javelin_tag(
'a',
array(
'href' => '#',
'class' => 'button green',
'sigil' => 'create-condition',
'mustcapture' => true
),
pht('New Condition')))
->setDescription(
pht('When %s these conditions are met:', $must_match_selector))
->setContent(javelin_tag(
'table',
array(
'sigil' => 'rule-conditions',
'class' => 'herald-condition-table'
),
'')))
->appendChild(
id(new AphrontFormInsetView())
->setTitle(pht('Action'))
->setRightButton(javelin_tag(
'a',
array(
'href' => '#',
'class' => 'button green',
'sigil' => 'create-action',
'mustcapture' => true,
),
pht('New Action')))
->setDescription(pht(
'Take these actions %s this rule matches:',
$repetition_selector))
->setContent(javelin_tag(
'table',
array(
'sigil' => 'rule-actions',
'class' => 'herald-action-table',
),
'')))
->appendChild(
id(new AphrontFormSubmitControl())
->setValue(pht('Save Rule'))
->addCancelButton($cancel_uri));
$this->setupEditorBehavior($rule, $handles, $adapter);
$title = $rule->getID()
? pht('Edit Herald Rule')
: pht('Create Herald Rule');
$form_box = id(new PHUIFormBoxView())
->setHeaderText($title)
->setFormError($error_view)
->setForm($form);
$crumbs = $this
->buildApplicationCrumbs()
->addCrumb(
id(new PhabricatorCrumbView())
->setName($title));
return $this->buildApplicationPage(
array(
$crumbs,
$form_box,
),
array(
'title' => pht('Edit Rule'),
'device' => true,
));
}
private function saveRule(HeraldAdapter $adapter, $rule, $request) {
$rule->setName($request->getStr('name'));
$rule->setMustMatchAll(($request->getStr('must_match') == 'all'));
$repetition_policy_param = $request->getStr('repetition_policy');
$rule->setRepetitionPolicy(
HeraldRepetitionPolicyConfig::toInt($repetition_policy_param));
$e_name = true;
$errors = array();
if (!strlen($rule->getName())) {
$e_name = pht("Required");
$errors[] = pht("Rule must have a name.");
}
$data = json_decode($request->getStr('rule'), true);
if (!is_array($data) ||
!$data['conditions'] ||
!$data['actions']) {
throw new Exception("Failed to decode rule data.");
}
$conditions = array();
foreach ($data['conditions'] as $condition) {
if ($condition === null) {
// We manage this as a sparse array on the client, so may receive
// NULL if conditions have been removed.
continue;
}
$obj = new HeraldCondition();
$obj->setFieldName($condition[0]);
$obj->setFieldCondition($condition[1]);
if (is_array($condition[2])) {
$obj->setValue(array_keys($condition[2]));
} else {
$obj->setValue($condition[2]);
}
try {
$adapter->willSaveCondition($obj);
} catch (HeraldInvalidConditionException $ex) {
$errors[] = $ex->getMessage();
}
$conditions[] = $obj;
}
$actions = array();
foreach ($data['actions'] as $action) {
if ($action === null) {
// Sparse on the client; removals can give us NULLs.
continue;
}
if (!isset($action[1])) {
// Legitimate for any action which doesn't need a target, like
// "Do nothing".
$action[1] = null;
}
$obj = new HeraldAction();
$obj->setAction($action[0]);
$obj->setTarget($action[1]);
try {
$adapter->willSaveAction($rule, $obj);
} catch (HeraldInvalidActionException $ex) {
$errors[] = $ex;
}
$actions[] = $obj;
}
$rule->attachConditions($conditions);
$rule->attachActions($actions);
if (!$errors) {
try {
$edit_action = $rule->getID() ? 'edit' : 'create';
$rule->openTransaction();
$rule->save();
$rule->saveConditions($conditions);
$rule->saveActions($actions);
$rule->logEdit($request->getUser()->getPHID(), $edit_action);
$rule->saveTransaction();
} catch (AphrontQueryDuplicateKeyException $ex) {
$e_name = pht("Not Unique");
$errors[] = pht("Rule name is not unique. Choose a unique name.");
}
}
return array($e_name, $errors);
}
private function setupEditorBehavior(
HeraldRule $rule,
array $handles,
HeraldAdapter $adapter) {
$serial_conditions = array(
array('default', 'default', ''),
);
if ($rule->getConditions()) {
$serial_conditions = array();
foreach ($rule->getConditions() as $condition) {
$value = $condition->getValue();
if (is_array($value)) {
$value_map = array();
foreach ($value as $k => $fbid) {
$value_map[$fbid] = $handles[$fbid]->getName();
}
$value = $value_map;
}
$serial_conditions[] = array(
$condition->getFieldName(),
$condition->getFieldCondition(),
$value,
);
}
}
$serial_actions = array(
array('default', ''),
);
if ($rule->getActions()) {
$serial_actions = array();
foreach ($rule->getActions() as $action) {
switch ($action->getAction()) {
case HeraldAdapter::ACTION_FLAG:
$current_value = $action->getTarget();
break;
default:
$target_map = array();
foreach ((array)$action->getTarget() as $fbid) {
$target_map[$fbid] = $handles[$fbid]->getName();
}
$current_value = $target_map;
break;
}
$serial_actions[] = array(
$action->getAction(),
$current_value,
);
}
}
$all_rules = $this->loadRulesThisRuleMayDependUpon($rule);
$all_rules = mpull($all_rules, 'getName', 'getID');
asort($all_rules);
$all_fields = $adapter->getFieldNameMap();
$all_conditions = $adapter->getConditionNameMap();
$all_actions = $adapter->getActionNameMap($rule->getRuleType());
$fields = $adapter->getFields();
$field_map = array_select_keys($all_fields, $fields);
$actions = $adapter->getActions($rule->getRuleType());
$action_map = array_select_keys($all_actions, $actions);
$config_info = array();
$config_info['fields'] = $field_map;
$config_info['conditions'] = $all_conditions;
$config_info['actions'] = $action_map;
foreach ($config_info['fields'] as $field => $name) {
$field_conditions = $adapter->getConditionsForField($field);
$config_info['conditionMap'][$field] = $field_conditions;
}
foreach ($config_info['fields'] as $field => $fname) {
foreach ($config_info['conditionMap'][$field] as $condition) {
$value_type = $adapter->getValueTypeForFieldAndCondition(
$field,
$condition);
$config_info['values'][$field][$condition] = $value_type;
}
}
$config_info['rule_type'] = $rule->getRuleType();
foreach ($config_info['actions'] as $action => $name) {
$config_info['targets'][$action] = $adapter->getValueTypeForAction(
$action,
$rule->getRuleType());
}
Javelin::initBehavior(
'herald-rule-editor',
array(
'root' => 'herald-rule-edit-form',
'conditions' => (object)$serial_conditions,
'actions' => (object)$serial_actions,
'template' => $this->buildTokenizerTemplates() + array(
'rules' => $all_rules,
'colors' => PhabricatorFlagColor::getColorNameMap(),
'defaultColor' => PhabricatorFlagColor::COLOR_BLUE,
),
'author' => array($rule->getAuthorPHID() =>
$handles[$rule->getAuthorPHID()]->getName()),
'info' => $config_info,
));
}
private function loadHandlesForRule($rule) {
$phids = array();
foreach ($rule->getActions() as $action) {
if (!is_array($action->getTarget())) {
continue;
}
foreach ($action->getTarget() as $target) {
$target = (array)$target;
foreach ($target as $phid) {
$phids[] = $phid;
}
}
}
foreach ($rule->getConditions() as $condition) {
$value = $condition->getValue();
if (is_array($value)) {
foreach ($value as $phid) {
$phids[] = $phid;
}
}
}
$phids[] = $rule->getAuthorPHID();
return $this->loadViewerHandles($phids);
}
/**
* Render the selector for the "When (all of | any of) these conditions are
* met:" element.
*/
private function renderMustMatchSelector($rule) {
return AphrontFormSelectControl::renderSelectTag(
$rule->getMustMatchAll() ? 'all' : 'any',
array(
'all' => pht('all of'),
'any' => pht('any of'),
),
array(
'name' => 'must_match',
));
}
/**
* Render the selector for "Take these actions (every time | only the first
* time) this rule matches..." element.
*/
private function renderRepetitionSelector($rule, HeraldAdapter $adapter) {
$repetition_policy = HeraldRepetitionPolicyConfig::toString(
$rule->getRepetitionPolicy());
$repetition_options = $adapter->getRepetitionOptions();
$repetition_names = HeraldRepetitionPolicyConfig::getMap();
$repetition_map = array_select_keys($repetition_names, $repetition_options);
if (count($repetition_map) < 2) {
return head($repetition_names);
} else {
return AphrontFormSelectControl::renderSelectTag(
$repetition_policy,
$repetition_map,
array(
'name' => 'repetition_policy',
));
}
}
protected function buildTokenizerTemplates() {
$template = new AphrontTokenizerTemplateView();
$template = $template->render();
return array(
'source' => array(
'email' => '/typeahead/common/mailable/',
'user' => '/typeahead/common/users/',
'repository' => '/typeahead/common/repositories/',
'package' => '/typeahead/common/packages/',
'project' => '/typeahead/common/projects/',
),
'markup' => $template,
);
}
/**
* Load rules for the "Another Herald rule..." condition dropdown, which
* allows one rule to depend upon the success or failure of another rule.
*/
private function loadRulesThisRuleMayDependUpon(HeraldRule $rule) {
$viewer = $this->getRequest()->getUser();
// Any rule can depend on a global rule.
$all_rules = id(new HeraldRuleQuery())
->setViewer($viewer)
->withRuleTypes(array(HeraldRuleTypeConfig::RULE_TYPE_GLOBAL))
->withContentTypes(array($rule->getContentType()))
->execute();
if ($rule->getRuleType() == HeraldRuleTypeConfig::RULE_TYPE_PERSONAL) {
// Personal rules may depend upon your other personal rules.
$all_rules += id(new HeraldRuleQuery())
->setViewer($viewer)
->withRuleTypes(array(HeraldRuleTypeConfig::RULE_TYPE_PERSONAL))
->withContentTypes(array($rule->getContentType()))
->withAuthorPHIDs(array($rule->getAuthorPHID()))
->execute();
}
// A rule can not depend upon itself.
unset($all_rules[$rule->getID()]);
return $all_rules;
}
}

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