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phab/src/applications/transactions/editengine/PhabricatorApplicationEditEngine.php
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PhabricatorApplicationEditEngine.php
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<?php
abstract class PhabricatorApplicationEditEngine extends Phobject {
private $viewer;
private $controller;
final public function setViewer(PhabricatorUser $viewer) {
$this->viewer = $viewer;
return $this;
}
final public function getViewer() {
return $this->viewer;
}
final public function setController(PhabricatorController $controller) {
$this->controller = $controller;
$this->setViewer($controller->getViewer());
return $this;
}
final public function getController() {
return $this->controller;
}
final protected function buildEditFields($object) {
$viewer = $this->getViewer();
$editor = $object->getApplicationTransactionEditor();
$types = $editor->getTransactionTypesForObject($object);
$types = array_fuse($types);
$fields = $this->buildCustomEditFields($object);
if ($object instanceof PhabricatorPolicyInterface) {
$policies = id(new PhabricatorPolicyQuery())
->setViewer($viewer)
->setObject($object)
->execute();
$map = array(
PhabricatorTransactions::TYPE_VIEW_POLICY => array(
'key' => 'policy.view',
'aliases' => array('view'),
'capability' => PhabricatorPolicyCapability::CAN_VIEW,
),
PhabricatorTransactions::TYPE_EDIT_POLICY => array(
'key' => 'policy.edit',
'aliases' => array('edit'),
'capability' => PhabricatorPolicyCapability::CAN_EDIT,
),
PhabricatorTransactions::TYPE_JOIN_POLICY => array(
'key' => 'policy.join',
'aliases' => array('join'),
'capability' => PhabricatorPolicyCapability::CAN_JOIN,
),
);
foreach ($map as $type => $spec) {
if (empty($types[$type])) {
continue;
}
$capability = $spec['capability'];
$key = $spec['key'];
$aliases = $spec['aliases'];
$policy_field = id(new PhabricatorPolicyEditField())
->setKey($key)
->setAliases($aliases)
->setCapability($capability)
->setPolicies($policies)
->setTransactionType($type)
->setValue($object->getPolicy($capability));
$fields[] = $policy_field;
if ($object instanceof PhabricatorSpacesInterface) {
if ($capability == PhabricatorPolicyCapability::CAN_VIEW) {
$type_space = PhabricatorTransactions::TYPE_SPACE;
if (isset($types[$type_space])) {
$space_field = id(new PhabricatorSpaceEditField())
->setKey('spacePHID')
->setAliases(array('space', 'policy.space'))
->setTransactionType($type_space)
->setValue($object->getSpacePHID());
$fields[] = $space_field;
$policy_field->setSpaceField($space_field);
}
}
}
}
}
$edge_type = PhabricatorTransactions::TYPE_EDGE;
$object_phid = $object->getPHID();
$project_edge_type = PhabricatorProjectObjectHasProjectEdgeType::EDGECONST;
if ($object instanceof PhabricatorProjectInterface) {
if (isset($types[$edge_type])) {
if ($object_phid) {
$project_phids = PhabricatorEdgeQuery::loadDestinationPHIDs(
$object_phid,
$project_edge_type);
$project_phids = array_reverse($project_phids);
} else {
$project_phids = array();
}
$edge_field = id(new PhabricatorDatasourceEditField())
->setKey('projectPHIDs')
->setLabel(pht('Projects'))
->setDatasource(new PhabricatorProjectDatasource())
->setAliases(array('project', 'projects'))
->setTransactionType($edge_type)
->setMetadataValue('edge:type', $project_edge_type)
->setValue($project_phids);
$fields[] = $edge_field;
}
}
$subscribers_type = PhabricatorTransactions::TYPE_SUBSCRIBERS;
if ($object instanceof PhabricatorSubscribableInterface) {
if (isset($types[$subscribers_type])) {
if ($object_phid) {
$sub_phids = PhabricatorSubscribersQuery::loadSubscribersForPHID(
$object_phid);
} else {
// TODO: Allow applications to provide default subscribers; Maniphest
// does this at a minimum.
$sub_phids = array();
}
$subscribers_field = id(new PhabricatorDatasourceEditField())
->setKey('subscriberPHIDs')
->setLabel(pht('Subscribers'))
->setDatasource(new PhabricatorMetaMTAMailableDatasource())
->setAliases(array('subscriber', 'subscribers'))
->setTransactionType($subscribers_type)
->setValue($sub_phids);
$fields[] = $subscribers_field;
}
}
return $fields;
}
abstract protected function newEditableObject();
abstract protected function newObjectQuery();
abstract protected function buildCustomEditFields($object);
abstract protected function getObjectCreateTitleText($object);
abstract protected function getObjectEditTitleText($object);
abstract protected function getObjectCreateShortText($object);
abstract protected function getObjectEditShortText($object);
abstract protected function getObjectViewURI($object);
protected function getObjectCreateCancelURI($object) {
return $this->getController()->getApplicationURI();
}
protected function getObjectEditCancelURI($object) {
return $this->getObjectViewURI($object);
}
protected function getObjectCreateButtonText($object) {
return $this->getObjectCreateTitleText($object);
}
protected function getObjectEditButtonText($object) {
return pht('Save Changes');
}
final public function buildResponse() {
$controller = $this->getController();
$viewer = $this->getViewer();
$request = $controller->getRequest();
$id = $request->getURIData('id');
if ($id) {
$object = $this->newObjectQuery()
->setViewer($viewer)
->withIDs(array($id))
->requireCapabilities(
array(
PhabricatorPolicyCapability::CAN_VIEW,
PhabricatorPolicyCapability::CAN_EDIT,
))
->executeOne();
if (!$object) {
return new Aphront404Response();
}
$is_create = false;
} else {
$object = $this->newEditableObject();
$is_create = true;
}
$fields = $this->buildEditFields($object);
foreach ($fields as $field) {
$field
->setViewer($viewer)
->setObject($object);
}
$validation_exception = null;
if ($request->isFormPost()) {
foreach ($fields as $field) {
$field->readValueFromSubmit($request);
}
$template = $object->getApplicationTransactionTemplate();
$xactions = array();
foreach ($fields as $field) {
$xactions[] = $field->generateTransaction(clone $template);
}
$editor = $object->getApplicationTransactionEditor()
->setActor($viewer)
->setContentSourceFromRequest($request)
->setContinueOnNoEffect(true)
->setContinueOnMissingFields(false);
try {
$editor->applyTransactions($object, $xactions);
return id(new AphrontRedirectResponse())
->setURI($this->getObjectViewURI($object));
} catch (PhabricatorApplicationTransactionValidationException $ex) {
$validation_exception = $ex;
}
} else {
if ($is_create) {
foreach ($fields as $field) {
$field->readValueFromRequest($request);
}
} else {
foreach ($fields as $field) {
$field->readValueFromObject($object);
}
}
}
$box = id(new PHUIObjectBoxView())
->setUser($viewer);
$crumbs = $controller->buildApplicationCrumbsForEditEngine();
if ($is_create) {
$header_text = $this->getObjectCreateTitleText($object);
$crumbs->addTextCrumb(
$this->getObjectCreateShortText($object));
$cancel_uri = $this->getObjectCreateCancelURI($object);
$submit_button = $this->getObjectCreateButtonText($object);
} else {
$header_text = $this->getObjectEditTitleText($object);
$crumbs->addTextCrumb(
$this->getObjectEditShortText($object),
$this->getObjectViewURI($object));
$cancel_uri = $this->getObjectEditCancelURI($object);
$submit_button = $this->getObjectEditButtonText($object);
}
$box->setHeaderText($header_text);
$form = id(new AphrontFormView())
->setUser($viewer);
foreach ($fields as $field) {
$field->appendToForm($form);
}
$form->appendControl(
id(new AphrontFormSubmitControl())
->addCancelButton($cancel_uri)
->setValue($submit_button));
$box->appendChild($form);
if ($validation_exception) {
$box->setValidationException($validation_exception);
}
return $controller->newPage()
->setTitle($header_text)
->setCrumbs($crumbs)
->appendChild($box);
}
}
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