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PhabricatorCustomFieldList.php
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Created
Tue, Apr 29, 14:40

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;
private $viewer;
public function __construct(array $fields) {
assert_instances_of($fields, 'PhabricatorCustomField');
$this->fields = $fields;
}
public function getFields() {
return $this->fields;
}
public function setViewer(PhabricatorUser $viewer) {
$this->viewer = $viewer;
foreach ($this->getFields() as $field) {
$field->setViewer($viewer);
}
return $this;
}
public function readFieldsFromObject(
PhabricatorCustomFieldInterface $object) {
$fields = $this->getFields();
foreach ($fields as $field) {
$field
->setObject($object)
->readValueFromObject($object);
}
return $this;
}
/**
* Read stored values for all fields which support storage.
*
* @param PhabricatorCustomFieldInterface Object to read field values for.
* @return void
*/
public function readFieldsFromStorage(
PhabricatorCustomFieldInterface $object) {
$this->readFieldsFromObject($object);
$fields = $this->getFields();
id(new PhabricatorCustomFieldStorageQuery())
->addFields($fields)
->execute();
return $this;
}
public function appendFieldsToForm(AphrontFormView $form) {
$enabled = array();
foreach ($this->fields as $field) {
if ($field->shouldEnableForRole(PhabricatorCustomField::ROLE_EDIT)) {
$enabled[] = $field;
}
}
$phids = array();
foreach ($enabled as $field_key => $field) {
$phids[$field_key] = $field->getRequiredHandlePHIDsForEdit();
}
$all_phids = array_mergev($phids);
if ($all_phids) {
$handles = id(new PhabricatorHandleQuery())
->setViewer($this->viewer)
->withPHIDs($all_phids)
->execute();
} else {
$handles = array();
}
foreach ($enabled as $field_key => $field) {
$field_handles = array_select_keys($handles, $phids[$field_key]);
$instructions = $field->getInstructionsForEdit();
if (strlen($instructions)) {
$form->appendRemarkupInstructions($instructions);
}
$form->appendChild($field->renderEditControl($field_handles));
}
}
public function appendFieldsToPropertyList(
PhabricatorCustomFieldInterface $object,
PhabricatorUser $viewer,
PHUIPropertyListView $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':
case 'header':
$head[$key] = $field;
break;
case 'block':
$tail[$key] = $field;
break;
default:
throw new Exception(
pht(
"Unknown field property view style '%s'; valid styles are ".
"'%s' and '%s'.",
$style,
'block',
'property'));
}
}
$fields = $head + $tail;
$add_header = null;
$phids = array();
foreach ($fields as $key => $field) {
$phids[$key] = $field->getRequiredHandlePHIDsForPropertyView();
}
$all_phids = array_mergev($phids);
if ($all_phids) {
$handles = id(new PhabricatorHandleQuery())
->setViewer($viewer)
->withPHIDs($all_phids)
->execute();
} else {
$handles = array();
}
foreach ($fields as $key => $field) {
$field_handles = array_select_keys($handles, $phids[$key]);
$label = $field->renderPropertyViewLabel();
$value = $field->renderPropertyViewValue($field_handles);
if ($value !== null) {
switch ($field->getStyleForPropertyView()) {
case 'header':
// We want to hide headers if the fields they're associated with
// don't actually produce any visible properties. For example, in a
// list like this:
//
// Header A
// Prop A: Value A
// Header B
// Prop B: Value B
//
// ...if the "Prop A" field returns `null` when rendering its
// property value and we rendered naively, we'd get this:
//
// Header A
// Header B
// Prop B: Value B
//
// This is silly. Instead, we hide "Header A".
$add_header = $value;
break;
case 'property':
if ($add_header !== null) {
// Add the most recently seen header.
$view->addSectionHeader($add_header);
$add_header = null;
}
$view->addProperty($label, $value);
break;
case 'block':
$icon = $field->getIconForPropertyView();
$view->invokeWillRenderEvent();
if ($label !== null) {
$view->addSectionHeader($label, $icon);
}
$view->addTextContent($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;
}
$transaction_type = $field->getApplicationTransactionType();
$xaction = id(clone $template)
->setTransactionType($transaction_type);
if ($transaction_type == PhabricatorTransactions::TYPE_CUSTOMFIELD) {
// For TYPE_CUSTOMFIELD transactions only, we provide the old value
// as an input.
$old_value = $field->getOldValueForApplicationTransactions();
$xaction->setOldValue($old_value);
}
$field->readValueFromRequest($request);
$xaction
->setNewValue($field->getNewValueForApplicationTransactions());
if ($transaction_type == PhabricatorTransactions::TYPE_CUSTOMFIELD) {
// For TYPE_CUSTOMFIELD transactions, add the field key in metadata.
$xaction->setMetadataValue('customfield:key', $field->getFieldKey());
}
$metadata = $field->getApplicationTransactionMetadata();
foreach ($metadata as $key => $value) {
$xaction->setMetadataValue($key, $value);
}
$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();
}
public function updateAbstractDocument(
PhabricatorSearchAbstractDocument $document) {
$role = PhabricatorCustomField::ROLE_GLOBALSEARCH;
foreach ($this->getFields() as $field) {
if (!$field->shouldEnableForRole($role)) {
continue;
}
$field->updateAbstractDocument($document);
}
}
}

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