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HeraldRuleController.php
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Thu, Mar 20, 11:25

HeraldRuleController.php
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<?php
/*
* Copyright 2011 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 HeraldRuleController extends HeraldController {
private $id;
public function willProcessRequest(array $data) {
$this->id = (int)idx($data, 'id');
}
public function processRequest() {
$request = $this->getRequest();
$user = $request->getUser();
$content_type_map = HeraldContentTypeConfig::getContentTypeMap();
if ($this->id) {
$rule = id(new HeraldRule())->load($this->id);
if (!$rule) {
return new Aphront404Response();
}
if ($rule->getAuthorPHID() != $user->getPHID()) {
throw new Exception("You don't own this rule and can't edit it.");
}
} else {
$rule = new HeraldRule();
$rule->setAuthorPHID($user->getPHID());
$rule->setMustMatchAll(true);
$type = $request->getStr('type');
if (!isset($content_type_map[$type])) {
$type = HeraldContentTypeConfig::CONTENT_TYPE_DIFFERENTIAL;
}
$rule->setContentType($type);
}
$local_version = id(new HeraldRule())->getConfigVersion();
if ($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. Try dev or wait for a push.");
}
// 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);
$arr = "\xC2\xAB";
$e_name = true;
$errors = array();
if ($request->isFormPost() && $request->getStr('save')) {
$rule->setName($request->getStr('name'));
$rule->setMustMatchAll(($request->getStr('must_match') == 'all'));
if (!strlen($rule->getName())) {
$e_name = "{$arr} Required";
$errors[] = "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) {
$obj = new HeraldCondition();
$obj->setFieldName($condition[0]);
$obj->setCondition($condition[1]);
if (is_array($condition[2])) {
$obj->setValue(array_keys($condition[2]));
} else {
$obj->setValue($condition[2]);
}
$cond_type = $obj->getCondition();
if ($cond_type == HeraldConditionConfig::CONDITION_REGEXP) {
if (@preg_match($obj->getValue(), '') === false) {
$errors[] =
'The regular expression "'.$obj->getValue().'" is not valid. '.
'Regular expressions must have enclosing characters (e.g. '.
'"@/path/to/file@", not "/path/to/file") and be syntactically '.
'correct.';
}
}
if ($cond_type == HeraldConditionConfig::CONDITION_REGEXP_PAIR) {
$json = json_decode($obj->getValue(), true);
if (!is_array($json)) {
$errors[] =
'The regular expression pair "'.$obj->getValue().'" is not '.
'valid JSON. Enter a valid JSON array with two elements.';
} else {
if (count($json) != 2) {
$errors[] =
'The regular expression pair "'.$obj->getValue().'" must have '.
'exactly two elements.';
} else {
$key_regexp = array_shift($json);
$val_regexp = array_shift($json);
if (@preg_match($key_regexp, '') === false) {
$errors[] =
'The first regexp, "'.$key_regexp.'" in the regexp pair '.
'is not a valid regexp.';
}
if (@preg_match($val_regexp, '') === false) {
$errors[] =
'The second regexp, "'.$val_regexp.'" in the regexp pair '.
'is not a valid regexp.';
}
}
}
}
$conditions[] = $obj;
}
$actions = array();
foreach ($data['actions'] as $action) {
$obj = new HeraldAction();
$obj->setAction($action[0]);
if (!isset($action[1])) {
// Legitimate for any action which doesn't need a target, like
// "Do nothing".
$action[1] = null;
}
if (is_array($action[1])) {
$obj->setTarget(array_keys($action[1]));
} else {
$obj->setTarget($action[1]);
}
$actions[] = $obj;
}
$rule->attachConditions($conditions);
$rule->attachActions($actions);
if (!$errors) {
try {
$rule->openTransaction();
$rule->save();
$rule->saveConditions($conditions);
$rule->saveActions($actions);
$rule->saveTransaction();
$uri = '/herald/view/'.$rule->getContentType().'/';
return id(new AphrontRedirectResponse())
->setURI($uri);
} catch (QueryDuplicateKeyException $ex) {
$e_name = "{$arr} Not Unique";
$errors[] = "Rule name is not unique. Choose a unique name.";
}
}
}
$phids = array();
$phids[] = $rule->getAuthorPHID();
foreach ($rule->getActions() as $action) {
foreach ($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;
}
}
}
$handles = id(new PhabricatorObjectHandleData($phids))
->loadHandles();
if ($errors) {
$errors = '!!';//<tools:error title="Form Errors" errors={$errors} />;
}
// require_static('herald-css');
$options = array(
'all' => 'all of',
'any' => 'any of',
);
$selected = $rule->getMustMatchAll() ? 'all' : 'any';
$must_match = array();
foreach ($options as $key => $option) {
$must_match[] = phutil_render_tag(
'option',
array(
'selected' => ($selected == $key) ? 'selected' : null,
),
phutil_escape_html($option));
}
$must_match =
'<select name="must_match">'.
implode("\n", $must_match).
'</select>';
if ($rule->getID()) {
$action = '/herald/rule/'.$rule->getID().'/';
} else {
$action = '/herald/rule/'.$rule->getID().'/';
}
$type_name = $content_type_map[$rule->getContentType()];
$form = id(new AphrontFormView())
->setUser($user)
->setID('herald-rule-edit-form')
->addHiddenInput('type', $rule->getContentType())
->addHiddenInput('save', true)
->addHiddenInput('rule', '')
->appendChild(
id(new AphrontFormTextControl())
->setLabel('Rule Name')
->setError($e_name)
->setValue($rule->getName()))
->appendChild(
id(new AphrontFormStaticControl())
->setLabel('Author')
->setValue($handles[$rule->getAuthorPHID()]->getName()))
->appendChild(
id(new AphrontFormMarkupControl())
->setValue(
"This rule triggers for <strong>{$type_name}</strong>."))
->appendChild(
'<h1>Conditions</h1>'.
'<div style="margin: .5em 0 1em; padding: .5em; background: #aaa;">'.
javelin_render_tag(
'a',
array(
'href' => '#',
'class' => 'button green',
'sigil' => 'create-condition',
'mustcapture' => true,
),
'Create New Condition').
'<p>When '.$must_match.' these conditions are met:</p>'.
javelin_render_tag(
'table',
array(
'sigil' => 'rule-conditions',
),
'').
'</div>')
->appendChild(
'<h1>Action</h1>'.
'<div style="margin: .5em 0 1em; padding: .5em; background: #aaa;">'.
javelin_render_tag(
'a',
array(
'href' => '#',
'class' => 'button green',
'sigil' => 'create-action',
'mustcapture' => true,
),
'Create New Action').
'<p>Take these actions:</p>'.
javelin_render_tag(
'table',
array(
'sigil' => 'rule-actions',
),
'').
'</div>')
->appendChild(
id(new AphrontFormSubmitControl())
->setValue('Save Rule')
->addCancelButton('/herald/view/'.$rule->getContentType().'/'));
/*
$form =
<div>
<tools:form action={URI::getRequestURI()} method="post" width="wide">
<input type="hidden" name="save" value="true" />
<input type="hidden" name="rule" value="" sigil="rule" />
<input type="hidden" name="type" value={$request->getStr('type')} />
{$errors}
<h1>Edit Rule</h1>
<tools:fieldset>
<tools:control
type="text"
label="Rule Name"
error={$e_name}>
<input type="text" name="name" value={$rule->getName()} />
</tools:control>
<tools:control type="static" label="Owner">
{$handles[$rule->getAuthorPHID()]->getName()}
</tools:control>
<tools:control type="static">
This rule triggers for
<strong>{$content_type_map[$rule->getContentType()]}</strong>.
</tools:control>
</tools:fieldset>
<h1 style="margin-top: 1.5em;">Conditions</h1>
<tools:fieldset>
<div style="padding: .25em 0 1em 60px;">
<div style="float: right;">
<a href="#"
sigil="create-condition"
class="button green"
mustcapture={true}>Create New Condition</a>
</div>
When {$must_match} these conditions are met:
</div>
<div class="flush" />
<table class="condition-table" sigil="rule-conditions" />
</tools:fieldset>
<h1 style="margin-top: 1.5em;">Actions</h1>
<tools:fieldset>
<div style="padding: .25em 0 1.5em 60px;">
<div style="float: right;">
<a href="#"
sigil="create-action"
class="button green"
mustcapture={true}>Create New Action</a>
</div>
Take these actions:
</div>
<div class="flush" />
<table sigil="rule-actions" class="action-table" />
</tools:fieldset>
<div style="margin-top: 0.5em;">
<tools:control type="submit">
<button>Save Rule</button>
<a href="/herald/" class="button grey">Cancel</a>
</tools:control>
</div>
</tools:form>
</div>;
*/
$serial_conditions = array(
array('default', 'default', ''),
);
if ($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]->getExtendedDisplayName();
}
$value = $value_map;
}
$serial_conditions[] = array(
$condition->getFieldName(),
$condition->getCondition(),
$value,
);
}
}
$serial_actions = array(
array('default', ''),
);
if ($rule->getActions()) {
$serial_actions = array();
foreach ($rule->getActions() as $action) {
$target_map = array();
foreach ((array)$action->getTarget() as $fbid) {
$target_map[$fbid] = $handles[$fbid]->getExtendedDisplayName();
}
$serial_actions[] = array(
$action->getAction(),
$target_map,
);
}
}
$all_rules = id(new HeraldRule())->loadAllWhere(
'authorPHID = %d AND contentType = %s',
$rule->getAuthorPHID(),
$rule->getContentType());
$all_rules = mpull($all_rules, 'getName', 'getID');
asort($all_rules);
unset($all_rules[$rule->getID()]);
$config_info = array();
$config_info['fields']
= HeraldFieldConfig::getFieldMapForContentType($rule->getContentType());
$config_info['conditions'] = HeraldConditionConfig::getConditionMap();
foreach ($config_info['fields'] as $field => $name) {
$config_info['conditionMap'][$field] = array_keys(
HeraldConditionConfig::getConditionMapForField($field));
}
foreach ($config_info['fields'] as $field => $fname) {
foreach ($config_info['conditions'] as $condition => $cname) {
$config_info['values'][$field][$condition] =
HeraldValueTypeConfig::getValueTypeForFieldAndCondition(
$field,
$condition);
}
}
$config_info['actions'] =
HeraldActionConfig::getActionMapForContentType($rule->getContentType());
foreach ($config_info['actions'] as $action => $name) {
$config_info['targets'][$action] =
HeraldValueTypeConfig::getValueTypeForAction($action);
}
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,
),
'info' => $config_info,
));
$panel = new AphrontPanelView();
$panel->setHeader('Edit Herald Rule');
$panel->setWidth(AphrontPanelView::WIDTH_WIDE);
$panel->appendChild($form);
return $this->buildStandardPageResponse(
$panel,
array(
'title' => 'Edit Rule',
));
}
protected function buildTokenizerTemplates() {
$template = new AphrontTokenizerTemplateView();
$template = $template->render();
return array(
'source' => array(
'email' => '/typeahead/common/mailable/',
'user' => '/typeahead/common/user/',
'repository' => '/typeahead/common/repository/',
/*
'tag' => '/datasource/tag/',
'package' => '/datasource/package/',
*/
),
'markup' => $template,
);
}
}

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