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phorge/src/applications/project/engineextension/PhabricatorProjectsMembershipIndexEngineExtension.php
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PhabricatorProjectsMembershipIndexEngineExtension.php
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<?php
final class PhabricatorProjectsMembershipIndexEngineExtension
extends PhabricatorIndexEngineExtension {
const EXTENSIONKEY = 'project.members';
public function getExtensionName() {
return pht('Project Members');
}
public function shouldIndexObject($object) {
if (!($object instanceof PhabricatorProject)) {
return false;
}
return true;
}
public function indexObject(
PhabricatorIndexEngine $engine,
$object) {
$this->rematerialize($object);
}
public function rematerialize(PhabricatorProject $project) {
$materialize = $project->getAncestorProjects();
array_unshift($materialize, $project);
foreach ($materialize as $project) {
$this->materializeProject($project);
}
}
private function materializeProject(PhabricatorProject $project) {
$material_type = PhabricatorProjectMaterializedMemberEdgeType::EDGECONST;
$member_type = PhabricatorProjectProjectHasMemberEdgeType::EDGECONST;
$project_phid = $project->getPHID();
if ($project->isMilestone()) {
$source_phids = array($project->getParentProjectPHID());
$has_subprojects = false;
} else {
$descendants = id(new PhabricatorProjectQuery())
->setViewer($this->getViewer())
->withAncestorProjectPHIDs(array($project->getPHID()))
->withIsMilestone(false)
->withHasSubprojects(false)
->execute();
$descendant_phids = mpull($descendants, 'getPHID');
if ($descendant_phids) {
$source_phids = $descendant_phids;
$has_subprojects = true;
} else {
$source_phids = array($project->getPHID());
$has_subprojects = false;
}
}
$conn_w = $project->establishConnection('w');
$any_milestone = queryfx_one(
$conn_w,
'SELECT id FROM %T
WHERE parentProjectPHID = %s AND milestoneNumber IS NOT NULL
LIMIT 1',
$project->getTableName(),
$project_phid);
$has_milestones = (bool)$any_milestone;
$project->openTransaction();
// Copy current member edges to create new materialized edges.
// See T13596. Avoid executing this as an "INSERT ... SELECT" to reduce
// the required level of table locking. Since we're decomposing it into
// "SELECT" + "INSERT" anyway, we can also compute exactly which rows
// need to be modified.
$have_rows = queryfx_all(
$conn_w,
'SELECT dst FROM %T
WHERE src = %s AND type = %d',
PhabricatorEdgeConfig::TABLE_NAME_EDGE,
$project_phid,
$material_type);
$want_rows = queryfx_all(
$conn_w,
'SELECT dst, dateCreated, seq FROM %T
WHERE src IN (%Ls) AND type = %d',
PhabricatorEdgeConfig::TABLE_NAME_EDGE,
$source_phids,
$member_type);
$have_phids = ipull($have_rows, 'dst', 'dst');
$want_phids = ipull($want_rows, null, 'dst');
$rem_phids = array_diff_key($have_phids, $want_phids);
$rem_phids = array_keys($rem_phids);
$add_phids = array_diff_key($want_phids, $have_phids);
$add_phids = array_keys($add_phids);
$rem_sql = array();
foreach ($rem_phids as $rem_phid) {
$rem_sql[] = qsprintf(
$conn_w,
'%s',
$rem_phid);
}
$add_sql = array();
foreach ($add_phids as $add_phid) {
$add_row = $want_phids[$add_phid];
$add_sql[] = qsprintf(
$conn_w,
'(%s, %d, %s, %d, %d)',
$project_phid,
$material_type,
$add_row['dst'],
$add_row['dateCreated'],
$add_row['seq']);
}
// Remove materialized members who are no longer project members.
if ($rem_sql) {
foreach (PhabricatorLiskDAO::chunkSQL($rem_sql) as $sql_chunk) {
queryfx(
$conn_w,
'DELETE FROM %T
WHERE src = %s AND type = %s AND dst IN (%LQ)',
PhabricatorEdgeConfig::TABLE_NAME_EDGE,
$project_phid,
$material_type,
$sql_chunk);
}
}
// Add project members who are not yet materialized members.
if ($add_sql) {
foreach (PhabricatorLiskDAO::chunkSQL($add_sql) as $sql_chunk) {
queryfx(
$conn_w,
'INSERT IGNORE INTO %T (src, type, dst, dateCreated, seq)
VALUES %LQ',
PhabricatorEdgeConfig::TABLE_NAME_EDGE,
$sql_chunk);
}
}
// Update the hasSubprojects flag.
queryfx(
$conn_w,
'UPDATE %T SET hasSubprojects = %d WHERE id = %d',
$project->getTableName(),
(int)$has_subprojects,
$project->getID());
// Update the hasMilestones flag.
queryfx(
$conn_w,
'UPDATE %T SET hasMilestones = %d WHERE id = %d',
$project->getTableName(),
(int)$has_milestones,
$project->getID());
$project->saveTransaction();
}
}

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