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ReleephFieldSpecification.php
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Fri, Jan 3, 21:33

ReleephFieldSpecification.php
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<?php
abstract class ReleephFieldSpecification {
abstract public function getName();
/* -( Storage )------------------------------------------------------------ */
public function getStorageKey() {
return null;
}
final public function isEditable() {
return $this->getStorageKey() !== null;
}
/**
* This will be called many times if you are using **Selecting**. In
* particular, for N selecting fields, selectReleephRequests() is called
* N-squared times, each time for R ReleephRequests.
*/
final public function getValue() {
$key = $this->getRequiredStorageKey();
return $this->getReleephRequest()->getDetail($key);
}
final public function setValue($value) {
$key = $this->getRequiredStorageKey();
return $this->getReleephRequest()->setDetail($key, $value);
}
/**
* @throws ReleephFieldParseException, to show an error.
*/
public function validate($value) {
return;
}
/* -( Header View )-------------------------------------------------------- */
/**
* Return a label for use in rendering the fields table. If you return null,
* the renderLabelForHeaderView data will span both columns.
*/
public function renderLabelForHeaderView() {
return $this->getName();
}
public function renderValueForHeaderView() {
$key = $this->getRequiredStorageKey();
return $this->getReleephRequest()->getDetail($key);
}
/* -( Edit View )---------------------------------------------------------- */
public function renderEditControl(AphrontRequest $request) {
throw new ReleephFieldSpecificationIncompleteException($this);
}
public function setValueFromAphrontRequest(AphrontRequest $request) {
$data = $request->getRequestData();
$value = idx($data, $this->getRequiredStorageKey());
$this->validate($value);
$this->setValue($value);
}
/* -( Conduit )------------------------------------------------------------ */
public function getKeyForConduit() {
return $this->getRequiredStorageKey();
}
public function getValueForConduit() {
return $this->getValue();
}
public function setValueFromConduitAPIRequest(ConduitAPIRequest $request) {
$value = idx(
$request->getValue('fields', array()),
$this->getRequiredStorageKey());
$this->validate($value);
$this->setValue($value);
}
/* -( Arcanist )----------------------------------------------------------- */
public function renderHelpForArcanist() {
return '';
}
/* -( Context )------------------------------------------------------------ */
private $releephProject;
private $releephBranch;
private $releephRequest;
private $user;
final public function setReleephProject(ReleephProject $rp) {
$this->releephProject = $rp;
return $this;
}
final public function setReleephBranch(ReleephBranch $rb) {
$this->releephRequest = $rb;
return $this;
}
final public function setReleephRequest(ReleephRequest $rr) {
$this->releephRequest = $rr;
return $this;
}
final public function setUser(PhabricatorUser $user) {
$this->user = $user;
return $this;
}
final public function getReleephProject() {
return $this->releephProject;
}
final public function getReleephBranch() {
return $this->releephBranch;
}
final public function getReleephRequest() {
return $this->releephRequest;
}
final public function getUser() {
return $this->user;
}
/* -( Bulk loading )------------------------------------------------------- */
public function bulkLoad(array $releeph_requests) {
}
/* -( Selecting )---------------------------------------------------------- */
/**
* Append select controls to the given form.
*
* You are given:
*
* - the AphrontFormView to append to;
*
* - the AphrontRequest, so you can make use of the value currently selected
* in the form;
*
* - $all_releeph_requests: an array of all the ReleephRequests without any
* selection based filtering; and
*
* - $all_releeph_requests_without_this_field: an array of ReleephRequests
* that have been selected by all the other select controls on this page.
*
* The example in ReleephLevelFieldSpecification shows how to use these.
* $all_releeph_requests lets you find out all the values of a field in all
* ReleephRequests, so you can render controls for every known value.
*
* $all_releeph_requests_without_this_field lets you count how many
* ReleephRequests could be affected by this field's select control, after
* all the other fields have made their selections.
* ReleephLevelFieldSpecification uses this to render a preview count for
* each select button, and disables the button completely (but still renders
* it) if it couldn't possibly select anything.
*/
protected function appendSelectControls(
AphrontFormView $form,
AphrontRequest $request,
array $all_releeph_requests,
array $all_releeph_requests_without_this_field) {
return null;
}
/**
* Filter the $releeph_requests using the data you set with your form
* controls, and which is now available in the provided AphrontRequest.
*/
protected function selectReleephRequests(AphrontRequest $request,
array &$releeph_requests) {
return null;
}
/**
* If you have PHIDs that can be used in an AphrontFormTokenizerControl,
* return true here, return the PHIDs in getSelectablePHIDs(), and return the
* URL the Tokenizer should use for the form control in
* getSelectTokenizerDatasource().
*
* This is a cheap alternative to implementing appendSelectControls() and
* selectReleephRequests() in full.
*/
protected function hasSelectablePHIDs() {
return false;
}
protected function getSelectablePHIDs() {
throw new ReleephFieldSpecificationIncompleteException($this);
}
protected function getSelectTokenizerDatasource() {
throw new ReleephFieldSpecificationIncompleteException($this);
}
/* -( Commit Messages )---------------------------------------------------- */
public function shouldAppearOnCommitMessage() {
return false;
}
public function renderLabelForCommitMessage() {
throw new ReleephFieldSpecificationIncompleteException($this);
}
public function renderValueForCommitMessage() {
throw new ReleephFieldSpecificationIncompleteException($this);
}
public function shouldAppearOnRevertMessage() {
return false;
}
public function renderLabelForRevertMessage() {
return $this->renderLabelForCommitMessage();
}
public function renderValueForRevertMessage() {
return $this->renderValueForCommitMessage();
}
/* -( Implementation )----------------------------------------------------- */
protected function getRequiredStorageKey() {
$key = $this->getStorageKey();
if ($key === null) {
throw new ReleephFieldSpecificationIncompleteException($this);
}
if (strpos($key, '.') !== false) {
/**
* Storage keys are reused for form controls, and periods in form control
* names break HTML forms.
*/
throw new Exception(
"You can't use '.' in storage keys!");
}
return $key;
}
/**
* The "hook" functions ##appendSelectControlsHook()## and
* ##selectReleephRequestsHook()## are used with ##hasSelectablePHIDs()##, to
* use the tokenizing helpers if ##hasSelectablePHIDs()## returns true.
*/
public function appendSelectControlsHook(
AphrontFormView $form,
AphrontRequest $request,
array $all_releeph_requests,
array $all_releeph_requests_without_this_field) {
if ($this->hasSelectablePHIDs()) {
$this->appendTokenizingSelectControl(
$form,
$request,
$all_releeph_requests,
$all_releeph_requests_without_this_field);
} else {
$this->appendSelectControls(
$form,
$request,
$all_releeph_requests,
$all_releeph_requests_without_this_field);
}
}
// See above
public function selectReleephRequestsHook(AphrontRequest $request,
array &$releeph_requests) {
if ($this->hasSelectablePHIDs()) {
$this->selectReleephRequestsFromTokens(
$request,
$releeph_requests);
} else {
$this->selectReleephRequests(
$request,
$releeph_requests);
}
}
private function appendTokenizingSelectControl(
AphrontFormView $form,
AphrontRequest $request,
array $all_releeph_requests,
array $all_releeph_requests_without_this_field) {
$key = urlencode(strtolower($this->getName()));
$selected_phids = $request->getArr($key);
$handles = id(new PhabricatorObjectHandleData($selected_phids))
->setViewer($request->getUser())
->loadHandles();
$tokens = array();
foreach ($selected_phids as $phid) {
$tokens[$phid] = $handles[$phid]->getFullName();
}
$datasource = $this->getSelectTokenizerDatasource();
$control =
id(new AphrontFormTokenizerControl())
->setDatasource($datasource)
->setName($key)
->setLabel($this->getName())
->setValue($tokens);
$form->appendChild($control);
}
private function selectReleephRequestsFromTokens(AphrontRequest $request,
array &$releeph_requests) {
$key = urlencode(strtolower($this->getName()));
$selected_phids = $request->getArr($key);
if (!$selected_phids) {
return;
}
$selected_phid_lookup = array();
foreach ($selected_phids as $phid) {
$selected_phid_lookup[$phid] = $phid;
}
$filtered = array();
foreach ($releeph_requests as $releeph_request) {
$rq_phids = $this
->setReleephRequest($releeph_request)
->getSelectablePHIDs();
foreach ($rq_phids as $rq_phid) {
if (idx($selected_phid_lookup, $rq_phid)) {
$filtered[] = $releeph_request;
break;
}
}
}
$releeph_requests = $filtered;
}
}

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