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DivinerLiveSymbol.php
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Sun, Aug 18, 08:02

DivinerLiveSymbol.php
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<?php
final class DivinerLiveSymbol extends DivinerDAO
implements
PhabricatorPolicyInterface,
PhabricatorMarkupInterface,
PhabricatorDestructibleInterface {
protected $bookPHID;
protected $context;
protected $type;
protected $name;
protected $atomIndex;
protected $graphHash;
protected $identityHash;
protected $nodeHash;
protected $title;
protected $titleSlugHash;
protected $groupName;
protected $summary;
protected $isDocumentable = 0;
private $book = self::ATTACHABLE;
private $atom = self::ATTACHABLE;
private $extends = self::ATTACHABLE;
private $children = self::ATTACHABLE;
protected function getConfiguration() {
return array(
self::CONFIG_AUX_PHID => true,
self::CONFIG_TIMESTAMPS => false,
self::CONFIG_COLUMN_SCHEMA => array(
'context' => 'text255?',
'type' => 'text32',
'name' => 'text255',
'atomIndex' => 'uint32',
'identityHash' => 'bytes12',
'graphHash' => 'text64?',
'title' => 'text?',
'titleSlugHash' => 'bytes12?',
'groupName' => 'text255?',
'summary' => 'text?',
'isDocumentable' => 'bool',
'nodeHash' => 'text64?',
),
self::CONFIG_KEY_SCHEMA => array(
'key_phid' => null,
'identityHash' => array(
'columns' => array('identityHash'),
'unique' => true,
),
'phid' => array(
'columns' => array('phid'),
'unique' => true,
),
'graphHash' => array(
'columns' => array('graphHash'),
'unique' => true,
),
'nodeHash' => array(
'columns' => array('nodeHash'),
'unique' => true,
),
'bookPHID' => array(
'columns' => array(
'bookPHID',
'type',
'name(64)',
'context(64)',
'atomIndex',
),
),
'name' => array(
'columns' => array('name(64)'),
),
'key_slug' => array(
'columns' => array('titleSlugHash'),
),
),
) + parent::getConfiguration();
}
public function generatePHID() {
return PhabricatorPHID::generateNewPHID(DivinerAtomPHIDType::TYPECONST);
}
public function getBook() {
return $this->assertAttached($this->book);
}
public function attachBook(DivinerLiveBook $book) {
$this->book = $book;
return $this;
}
public function getAtom() {
return $this->assertAttached($this->atom);
}
public function attachAtom(DivinerLiveAtom $atom = null) {
if ($atom === null) {
$this->atom = null;
} else {
$this->atom = DivinerAtom::newFromDictionary($atom->getAtomData());
}
return $this;
}
public function getURI() {
$parts = array(
'book',
$this->getBook()->getName(),
$this->getType(),
);
if ($this->getContext()) {
$parts[] = $this->getContext();
}
$parts[] = $this->getName();
if ($this->getAtomIndex()) {
$parts[] = $this->getAtomIndex();
}
return '/'.implode('/', $parts).'/';
}
public function getSortKey() {
// Sort articles before other types of content. Then, sort atoms in a
// case-insensitive way.
return sprintf(
'%c:%s',
($this->getType() == DivinerAtom::TYPE_ARTICLE ? '0' : '1'),
phutil_utf8_strtolower($this->getTitle()));
}
public function save() {
// NOTE: The identity hash is just a sanity check because the unique tuple
// on this table is way way too long to fit into a normal `UNIQUE KEY`.
// We don't use it directly, but its existence prevents duplicate records.
if (!$this->identityHash) {
$this->identityHash = PhabricatorHash::digestForIndex(
serialize(
array(
'bookPHID' => $this->getBookPHID(),
'context' => $this->getContext(),
'type' => $this->getType(),
'name' => $this->getName(),
'index' => $this->getAtomIndex(),
)));
}
return parent::save();
}
public function getTitle() {
$title = parent::getTitle();
if (!strlen($title)) {
$title = $this->getName();
}
return $title;
}
public function setTitle($value) {
$this->writeField('title', $value);
if (strlen($value)) {
$slug = DivinerAtomRef::normalizeTitleString($value);
$hash = PhabricatorHash::digestForIndex($slug);
$this->titleSlugHash = $hash;
} else {
$this->titleSlugHash = null;
}
return $this;
}
public function attachExtends(array $extends) {
assert_instances_of($extends, __CLASS__);
$this->extends = $extends;
return $this;
}
public function getExtends() {
return $this->assertAttached($this->extends);
}
public function attachChildren(array $children) {
assert_instances_of($children, __CLASS__);
$this->children = $children;
return $this;
}
public function getChildren() {
return $this->assertAttached($this->children);
}
/* -( PhabricatorPolicyInterface )----------------------------------------- */
public function getCapabilities() {
return $this->getBook()->getCapabilities();
}
public function getPolicy($capability) {
return $this->getBook()->getPolicy($capability);
}
public function hasAutomaticCapability($capability, PhabricatorUser $viewer) {
return $this->getBook()->hasAutomaticCapability($capability, $viewer);
}
public function describeAutomaticCapability($capability) {
return pht('Atoms inherit the policies of the books they are part of.');
}
/* -( PhabricatorMarkupInterface )------------------------------------------ */
public function getMarkupFieldKey($field) {
return $this->getPHID().':'.$field.':'.$this->getGraphHash();
}
public function newMarkupEngine($field) {
return PhabricatorMarkupEngine::getEngine('diviner');
}
public function getMarkupText($field) {
if (!$this->getAtom()) {
return;
}
return $this->getAtom()->getDocblockText();
}
public function didMarkupText($field, $output, PhutilMarkupEngine $engine) {
return $output;
}
public function shouldUseMarkupCache($field) {
return true;
}
/* -( PhabricatorDestructibleInterface )----------------------------------- */
public function destroyObjectPermanently(
PhabricatorDestructionEngine $engine) {
$this->openTransaction();
$conn_w = $this->establishConnection('w');
queryfx(
$conn_w,
'DELETE FROM %T WHERE symbolPHID = %s',
id(new DivinerLiveAtom())->getTableName(),
$this->getPHID());
$this->delete();
$this->saveTransaction();
}
}

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