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ReleephLevelFieldSpecification.php
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Tue, Jan 7, 11:20

ReleephLevelFieldSpecification.php
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<?php
/**
* Provides a convenient field for storing a set of levels that you can use to
* filter requests on.
*
* Levels are rendered with names and descriptions in the edit UI, and are
* automatically documented via the "arc request" interface.
*
* See ReleephSeverityFieldSpecification for an example.
*/
abstract class ReleephLevelFieldSpecification
extends ReleephFieldSpecification {
private $error;
abstract public function getLevels();
abstract public function getDefaultLevel();
abstract public function getNameForLevel($level);
abstract public function getDescriptionForLevel($level);
/**
* Use getCanonicalLevel() to convert old, unsupported levels to new ones.
*/
protected function getCanonicalLevel($misc_level) {
return $misc_level;
}
public function getStorageKey() {
$class = get_class($this);
throw new ReleephFieldSpecificationIncompleteException(
$this,
"You must implement getStorageKey() for children of {$class}!");
}
public function renderValueForHeaderView() {
$raw_level = $this->getValue();
$level = $this->getCanonicalLevel($raw_level);
return $this->getNameForLevel($level);
}
public function renderEditControl(AphrontRequest $request) {
$control_name = $this->getRequiredStorageKey();
$all_levels = $this->getLevels();
$level = $request->getStr($control_name);
if (!$level) {
$level = $this->getCanonicalLevel($this->getValue());
}
if (!$level) {
$level = $this->getDefaultLevel();
}
$control = id(new AphrontFormRadioButtonControl())
->setLabel('Level')
->setName($control_name)
->setValue($level);
if ($this->error) {
$control->setError($this->error);
} elseif ($this->getDefaultLevel()) {
$control->setError(true);
}
foreach ($all_levels as $level) {
$name = $this->getNameForLevel($level);
$description = $this->getDescriptionForLevel($level);
$control->addButton($level, $name, $description);
}
return $control;
}
public function renderHelpForArcanist() {
$text = '';
$levels = $this->getLevels();
$default = $this->getDefaultLevel();
foreach ($levels as $level) {
$name = $this->getNameForLevel($level);
$description = $this->getDescriptionForLevel($level);
$default_marker = ' ';
if ($level === $default) {
$default_marker = '*';
}
$text .= " {$default_marker} **{$name}**\n";
$text .= phutil_console_wrap($description."\n", 8);
}
return $text;
}
public function validate($value) {
if ($value === null) {
$this->error = 'Required';
$label = $this->getName();
throw new ReleephFieldParseException(
$this,
"You must provide a {$label} level");
}
$levels = $this->getLevels();
if (!in_array($value, $levels)) {
$label = $this->getName();
throw new ReleephFieldParseException(
$this,
"Level '{$value}' is not a valid {$label} level in this project.");
}
}
public function setValueFromConduitAPIRequest(ConduitAPIRequest $request) {
$key = $this->getRequiredStorageKey();
$label = $this->getName();
$name = idx($request->getValue('fields', array()), $key);
if (!$name) {
$level = $this->getDefaultLevel();
if (!$level) {
throw new ReleephFieldParseException(
$this,
"No value given for {$label}, ".
"and no default is given for this level!");
}
} else {
$level = $this->getLevelByName($name);
}
if (!$level) {
throw new ReleephFieldParseException(
$this,
"Unknown {$label} level name '{$name}'");
}
$this->setValue($level);
}
private $nameMap = array();
public function getLevelByName($name) {
// Build this once
if (!$this->nameMap) {
foreach ($this->getLevels() as $level) {
$level_name = $this->getNameForLevel($level);
$this->nameMap[$level_name] = $level;
}
}
return idx($this->nameMap, $name);
}
protected function appendSelectControls(
AphrontFormView $form,
AphrontRequest $request,
array $all_releeph_requests,
array $all_releeph_requests_without_this_field) {
$buttons = array(null => 'All');
// Add in known level/names
foreach ($this->getLevels() as $level) {
$name = $this->getNameForLevel($level);
$buttons[$name] = $name;
}
// Add in any names we've seen in the wild, as well.
foreach ($all_releeph_requests as $releeph_request) {
$raw_level = $this->setReleephRequest($releeph_request)->getValue();
if (!$raw_level) {
// The ReleephRequest might not have a level set
continue;
}
$level = $this->getCanonicalLevel($raw_level);
$name = $this->getNameForLevel($level);
$buttons[$name] = $name;
}
$key = $this->getRequiredStorageKey();
$current = $request->getStr($key);
$counters = array(null => count($all_releeph_requests_without_this_field));
foreach ($all_releeph_requests_without_this_field as $releeph_request) {
$raw_level = $this->setReleephRequest($releeph_request)->getValue();
if (!$raw_level) {
// The ReleephRequest might not have a level set
continue;
}
$level = $this->getCanonicalLevel($raw_level);
$name = $this->getNameForLevel($level);
if (!isset($counters[$name])) {
$counters[$name] = 0;
}
$counters[$name]++;
}
$control = id(new AphrontFormCountedToggleButtonsControl())
->setLabel($this->getName())
->setValue($current)
->setBaseURI($request->getRequestURI(), $key)
->setButtons($buttons)
->setCounters($counters);
$form
->appendChild($control)
->addHiddenInput($key, $current);
}
protected function selectReleephRequests(AphrontRequest $request,
array &$releeph_requests) {
$key = $this->getRequiredStorageKey();
$current = $request->getStr($key);
if (!$current) {
return;
}
$filtered = array();
foreach ($releeph_requests as $releeph_request) {
$raw_level = $this->setReleephRequest($releeph_request)->getValue();
$level = $this->getCanonicalLevel($raw_level);
$name = $this->getNameForLevel($level);
if ($name == $current) {
$filtered[] = $releeph_request;
}
}
$releeph_requests = $filtered;
}
}

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