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PhabricatorCustomFieldList.php
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Created
Tue, Mar 4, 16:26

PhabricatorCustomFieldList.php
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<?php
/**
* Convenience class to perform operations on an entire field list, like reading
* all values from storage.
*
* $field_list = new PhabricatorCustomFieldList($fields);
*
*/
final class PhabricatorCustomFieldList extends Phobject {
private $fields;
public function __construct(array $fields) {
assert_instances_of($fields, 'PhabricatorCustomField');
$this->fields = $fields;
}
public function getFields() {
return $this->fields;
}
/**
* Read stored values for all fields which support storage.
*
* @param PhabricatorCustomFieldInterface Object to read field values for.
* @return void
*/
public function readFieldsFromStorage(
PhabricatorCustomFieldInterface $object) {
$keys = array();
foreach ($this->fields as $field) {
if ($field->shouldEnableForRole(PhabricatorCustomField::ROLE_STORAGE)) {
$keys[$field->getFieldIndex()] = $field;
}
}
if (!$keys) {
return;
}
// NOTE: We assume all fields share the same storage. This isn't guaranteed
// to be true, but always is for now.
$table = head($keys)->newStorageObject();
$objects = array();
if ($object->getPHID()) {
$objects = $table->loadAllWhere(
'objectPHID = %s AND fieldIndex IN (%Ls)',
$object->getPHID(),
array_keys($keys));
$objects = mpull($objects, null, 'getFieldIndex');
}
foreach ($keys as $key => $field) {
$storage = idx($objects, $key);
if ($storage) {
$field->setValueFromStorage($storage->getFieldValue());
} else {
$field->setValueFromStorage(null);
}
}
}
public function appendFieldsToForm(AphrontFormView $form) {
foreach ($this->fields as $field) {
if ($field->shouldEnableForRole(PhabricatorCustomField::ROLE_EDIT)) {
$form->appendChild($field->renderEditControl());
}
}
}
public function appendFieldsToPropertyList(
PhabricatorCustomFieldInterface $object,
PhabricatorUser $viewer,
PhabricatorPropertyListView $view) {
$this->readFieldsFromStorage($object);
$fields = $this->fields;
foreach ($fields as $field) {
$field->setViewer($viewer);
}
// Move all the blocks to the end, regardless of their configuration order,
// because it always looks silly to render a block in the middle of a list
// of properties.
$head = array();
$tail = array();
foreach ($fields as $key => $field) {
$style = $field->getStyleForPropertyView();
switch ($style) {
case 'property':
$head[$key] = $field;
break;
case 'block':
$tail[$key] = $field;
break;
default:
throw new Exception(
"Unknown field property view style '{$style}'; valid styles are ".
"'block' and 'property'.");
}
}
$fields = $head + $tail;
foreach ($fields as $field) {
$label = $field->renderPropertyViewLabel();
$value = $field->renderPropertyViewValue();
if ($value !== null) {
switch ($field->getStyleForPropertyView()) {
case 'property':
$view->addProperty($label, $value);
break;
case 'block':
$view->invokeWillRenderEvent();
if ($label !== null) {
$view->addSectionHeader($label);
}
$view->addTextContent($value);
break;
}
}
}
}
public function buildFieldTransactionsFromRequest(
PhabricatorApplicationTransaction $template,
AphrontRequest $request) {
$xactions = array();
$role = PhabricatorCustomField::ROLE_APPLICATIONTRANSACTIONS;
foreach ($this->fields as $field) {
if (!$field->shouldEnableForRole($role)) {
continue;
}
$old_value = $field->getOldValueForApplicationTransactions();
$field->readValueFromRequest($request);
$xaction = id(clone $template)
->setTransactionType(PhabricatorTransactions::TYPE_CUSTOMFIELD)
->setMetadataValue('customfield:key', $field->getFieldKey())
->setOldValue($old_value)
->setNewValue($field->getNewValueForApplicationTransactions());
$xactions[] = $xaction;
}
return $xactions;
}
/**
* Publish field indexes into index tables, so ApplicationSearch can search
* them.
*
* @return void
*/
public function rebuildIndexes(PhabricatorCustomFieldInterface $object) {
$indexes = array();
$index_keys = array();
$phid = $object->getPHID();
$role = PhabricatorCustomField::ROLE_APPLICATIONSEARCH;
foreach ($this->fields as $field) {
if (!$field->shouldEnableForRole($role)) {
continue;
}
$index_keys[$field->getFieldIndex()] = true;
foreach ($field->buildFieldIndexes() as $index) {
$index->setObjectPHID($phid);
$indexes[$index->getTableName()][] = $index;
}
}
if (!$indexes) {
return;
}
$any_index = head(head($indexes));
$conn_w = $any_index->establishConnection('w');
foreach ($indexes as $table => $index_list) {
$sql = array();
foreach ($index_list as $index) {
$sql[] = $index->formatForInsert($conn_w);
}
$indexes[$table] = $sql;
}
$any_index->openTransaction();
foreach ($indexes as $table => $sql_list) {
queryfx(
$conn_w,
'DELETE FROM %T WHERE objectPHID = %s AND indexKey IN (%Ls)',
$table,
$phid,
array_keys($index_keys));
if (!$sql_list) {
continue;
}
foreach (PhabricatorLiskDAO::chunkSQL($sql_list) as $chunk) {
queryfx(
$conn_w,
'INSERT INTO %T (objectPHID, indexKey, indexValue) VALUES %Q',
$table,
$chunk);
}
}
$any_index->saveTransaction();
}
}

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