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phorge/src/applications/config/controller/PhabricatorConfigEditController.php
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PhabricatorConfigEditController.php
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<?php
final class PhabricatorConfigEditController
extends PhabricatorConfigController {
private $key;
public function willProcessRequest(array $data) {
$this->key = $data['key'];
}
public function processRequest() {
$request = $this->getRequest();
$user = $request->getUser();
$options = PhabricatorApplicationConfigOptions::loadAllOptions();
if (empty($options[$this->key])) {
// This may be a dead config entry, which existed in the past but no
// longer exists. Allow it to be edited so it can be reviewed and
// deleted.
$option = id(new PhabricatorConfigOption())
->setKey($this->key)
->setType('wild')
->setDefault(null)
->setDescription(
pht(
"This configuration option is unknown. It may be misspelled, ".
"or have existed in a previous version of Phabricator."));
$group = null;
$group_uri = $this->getApplicationURI();
} else {
$option = $options[$this->key];
$group = $option->getGroup();
$group_uri = $this->getApplicationURI('group/'.$group->getKey().'/');
}
$issue = $request->getStr('issue');
if ($issue) {
// If the user came here from an open setup issue, send them back.
$done_uri = $this->getApplicationURI('issue/'.$issue.'/');
} else {
$done_uri = $group_uri;
}
// Check if the config key is already stored in the database.
// Grab the value if it is.
$config_entry = id(new PhabricatorConfigEntry())
->loadOneWhere(
'configKey = %s AND namespace = %s',
$this->key,
'default');
if (!$config_entry) {
$config_entry = id(new PhabricatorConfigEntry())
->setConfigKey($this->key)
->setNamespace('default')
->setIsDeleted(true);
}
$e_value = null;
$errors = array();
if ($request->isFormPost() && !$option->getLocked()) {
$result = $this->readRequest(
$option,
$request);
list($e_value, $value_errors, $display_value, $xaction) = $result;
$errors = array_merge($errors, $value_errors);
if (!$errors) {
$editor = id(new PhabricatorConfigEditor())
->setActor($user)
->setContinueOnNoEffect(true)
->setContentSourceFromRequest($request);
try {
$editor->applyTransactions($config_entry, array($xaction));
return id(new AphrontRedirectResponse())->setURI($done_uri);
} catch (PhabricatorConfigValidationException $ex) {
$e_value = pht('Invalid');
$errors[] = $ex->getMessage();
}
}
} else {
$display_value = $this->getDisplayValue($option, $config_entry);
}
$form = new AphrontFormView();
$form->setFlexible(true);
$error_view = null;
if ($errors) {
$error_view = id(new AphrontErrorView())
->setTitle(pht('You broke everything!'))
->setErrors($errors);
} else if ($option->getHidden()) {
$msg = pht(
"This configuration is hidden and can not be edited or viewed from ".
"the web interface.");
$error_view = id(new AphrontErrorView())
->setTitle(pht('Configuration Hidden'))
->setSeverity(AphrontErrorView::SEVERITY_WARNING)
->appendChild(phutil_tag('p', array(), $msg));
} else if ($option->getLocked()) {
$msg = pht(
"This configuration is locked and can not be edited from the web ".
"interface.");
$error_view = id(new AphrontErrorView())
->setTitle(pht('Configuration Locked'))
->setSeverity(AphrontErrorView::SEVERITY_NOTICE)
->appendChild(phutil_tag('p', array(), $msg));
}
if ($option->getHidden()) {
$control = null;
} else {
$control = $this->renderControl(
$option,
$display_value,
$e_value);
}
$engine = new PhabricatorMarkupEngine();
$engine->setViewer($user);
$engine->addObject($option, 'description');
$engine->process();
$description = phutil_tag(
'div',
array(
'class' => 'phabricator-remarkup',
),
$engine->getOutput($option, 'description'));
$form
->setUser($user)
->addHiddenInput('issue', $request->getStr('issue'))
->appendChild(
id(new AphrontFormMarkupControl())
->setLabel(pht('Description'))
->setValue($description))
->appendChild($control);
$submit_control = id(new AphrontFormSubmitControl())
->addCancelButton($done_uri);
if (!$option->getLocked()) {
$submit_control->setValue(pht('Save Config Entry'));
}
$form->appendChild($submit_control);
$examples = $this->renderExamples($option);
if ($examples) {
$form->appendChild(
id(new AphrontFormMarkupControl())
->setLabel(pht('Examples'))
->setValue($examples));
}
if (!$option->getHidden()) {
$form->appendChild(
id(new AphrontFormMarkupControl())
->setLabel(pht('Default'))
->setValue($this->renderDefaults($option)));
}
$title = pht('Edit %s', $this->key);
$short = pht('Edit');
$crumbs = $this->buildApplicationCrumbs();
$crumbs->addCrumb(
id(new PhabricatorCrumbView())
->setName(pht('Config'))
->setHref($this->getApplicationURI()));
if ($group) {
$crumbs->addCrumb(
id(new PhabricatorCrumbView())
->setName($group->getName())
->setHref($group_uri));
}
$crumbs->addCrumb(
id(new PhabricatorCrumbView())
->setName($this->key)
->setHref('/config/edit/'.$this->key));
$xactions = id(new PhabricatorConfigTransactionQuery())
->withObjectPHIDs(array($config_entry->getPHID()))
->setViewer($user)
->execute();
$xaction_view = id(new PhabricatorApplicationTransactionView())
->setUser($user)
->setTransactions($xactions);
return $this->buildApplicationPage(
array(
$crumbs,
id(new PhabricatorHeaderView())->setHeader($title),
$error_view,
$form,
$xaction_view,
),
array(
'title' => $title,
'device' => true,
));
}
private function readRequest(
PhabricatorConfigOption $option,
AphrontRequest $request) {
$xaction = new PhabricatorConfigTransaction();
$xaction->setTransactionType(PhabricatorConfigTransaction::TYPE_EDIT);
$e_value = null;
$errors = array();
$value = $request->getStr('value');
if (!strlen($value)) {
$value = null;
$xaction->setNewValue(
array(
'deleted' => true,
'value' => null,
));
return array($e_value, $errors, $value, $xaction);
}
$type = $option->getType();
$set_value = null;
switch ($type) {
case 'int':
if (preg_match('/^-?[0-9]+$/', trim($value))) {
$set_value = (int)$value;
} else {
$e_value = pht('Invalid');
$errors[] = pht('Value must be an integer.');
}
break;
case 'string':
case 'enum':
$set_value = (string)$value;
break;
case 'list<string>':
$set_value = $request->getStrList('value');
break;
case 'set':
$set_value = array_fill_keys($request->getStrList('value'), true);
break;
case 'bool':
switch ($value) {
case 'true':
$set_value = true;
break;
case 'false':
$set_value = false;
break;
default:
$e_value = pht('Invalid');
$errors[] = pht('Value must be boolean, "true" or "false".');
break;
}
break;
case 'class':
if (!class_exists($value)) {
$e_value = pht('Invalid');
$errors[] = pht('Class does not exist.');
} else {
$base = $option->getBaseClass();
if (!is_subclass_of($value, $base)) {
$e_value = pht('Invalid');
$errors[] = pht('Class is not of valid type.');
} else {
$set_value = $value;
}
}
break;
default:
$json = json_decode($value, true);
if ($json === null && strtolower($value) != 'null') {
$e_value = pht('Invalid');
$errors[] = pht(
'The given value must be valid JSON. This means, among '.
'other things, that you must wrap strings in double-quotes.');
} else {
$set_value = $json;
}
break;
}
if (!$errors) {
$xaction->setNewValue(
array(
'deleted' => false,
'value' => $set_value,
));
} else {
$xaction = null;
}
return array($e_value, $errors, $value, $xaction);
}
private function getDisplayValue(
PhabricatorConfigOption $option,
PhabricatorConfigEntry $entry) {
if ($entry->getIsDeleted()) {
return null;
}
$type = $option->getType();
$value = $entry->getValue();
switch ($type) {
case 'int':
case 'string':
case 'enum':
case 'class':
return $value;
case 'bool':
return $value ? 'true' : 'false';
case 'list<string>':
return implode("\n", nonempty($value, array()));
case 'set':
return implode("\n", nonempty(array_keys($value), array()));
default:
return PhabricatorConfigJSON::prettyPrintJSON($value);
}
}
private function renderControl(
PhabricatorConfigOption $option,
$display_value,
$e_value) {
$type = $option->getType();
switch ($type) {
case 'int':
case 'string':
$control = id(new AphrontFormTextControl());
break;
case 'bool':
$control = id(new AphrontFormSelectControl())
->setOptions(
array(
'' => pht('(Use Default)'),
'true' => idx($option->getBoolOptions(), 0),
'false' => idx($option->getBoolOptions(), 1),
));
break;
case 'enum':
$options = array_mergev(
array(
array('' => pht('(Use Default)')),
$option->getEnumOptions(),
));
$control = id(new AphrontFormSelectControl())
->setOptions($options);
break;
case 'class':
$symbols = id(new PhutilSymbolLoader())
->setType('class')
->setAncestorClass($option->getBaseClass())
->setConcreteOnly(true)
->selectSymbolsWithoutLoading();
$names = ipull($symbols, 'name', 'name');
asort($names);
$names = array(
'' => pht('(Use Default)'),
) + $names;
$control = id(new AphrontFormSelectControl())
->setOptions($names);
break;
case 'list<string>':
case 'set':
$control = id(new AphrontFormTextAreaControl())
->setCaption(pht('Separate values with newlines or commas.'));
break;
default:
$control = id(new AphrontFormTextAreaControl())
->setHeight(AphrontFormTextAreaControl::HEIGHT_VERY_TALL)
->setCustomClass('PhabricatorMonospaced')
->setCaption(pht('Enter value in JSON.'));
break;
}
$control
->setLabel(pht('Value'))
->setError($e_value)
->setValue($display_value)
->setName('value');
if ($option->getLocked()) {
$control->setDisabled(true);
}
return $control;
}
private function renderExamples(PhabricatorConfigOption $option) {
$examples = $option->getExamples();
if (!$examples) {
return null;
}
$table = array();
$table[] = hsprintf(
'<tr class="column-labels"><th>%s</th><th>%s</th></tr>',
pht('Example'),
pht('Value'));
foreach ($examples as $example) {
list($value, $description) = $example;
if ($value === null) {
$value = phutil_tag('em', array(), pht('(empty)'));
} else {
$value = phutil_escape_html_newlines($value);
}
$table[] = hsprintf(
'<tr><th>%s</th><td>%s</td></tr>',
$description,
$value);
}
require_celerity_resource('config-options-css');
return phutil_tag(
'table',
array(
'class' => 'config-option-table',
),
$table);
}
private function renderDefaults(PhabricatorConfigOption $option) {
$stack = PhabricatorEnv::getConfigSourceStack();
$stack = $stack->getStack();
/*
TODO: Once DatabaseSource lands, do this:
foreach ($stack as $key => $source) {
unset($stack[$key]);
if ($source instanceof PhabricatorConfigDatabaseSource) {
break;
}
}
*/
$table = array();
$table[] = hsprintf(
'<tr class="column-labels"><th>%s</th><th>%s</th></tr>',
pht('Source'),
pht('Value'));
foreach ($stack as $key => $source) {
$value = $source->getKeys(
array(
$option->getKey(),
));
if (!array_key_exists($option->getKey(), $value)) {
$value = phutil_tag('em', array(), pht('(empty)'));
} else {
$value = PhabricatorConfigJSON::prettyPrintJSON(
$value[$option->getKey()]);
}
$table[] = hsprintf(
'<tr><th>%s</th><td>%s</td></tr>',
$source->getName(),
$value);
}
require_celerity_resource('config-options-css');
return phutil_tag(
'table',
array(
'class' => 'config-option-table',
),
$table);
}
}

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