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phab/src/applications/diffusion/query/DiffusionCommitQuery.php
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DiffusionCommitQuery.php
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<?php
final class DiffusionCommitQuery
extends PhabricatorCursorPagedPolicyAwareQuery {
private $ids;
private $phids;
private $authorPHIDs;
private $defaultRepository;
private $identifiers;
private $repositoryIDs;
private $repositoryPHIDs;
private $identifierMap;
private $needAuditRequests;
private $auditIDs;
private $auditorPHIDs;
private $auditAwaitingUser;
private $auditStatus;
const AUDIT_STATUS_ANY = 'audit-status-any';
const AUDIT_STATUS_OPEN = 'audit-status-open';
const AUDIT_STATUS_CONCERN = 'audit-status-concern';
const AUDIT_STATUS_ACCEPTED = 'audit-status-accepted';
const AUDIT_STATUS_PARTIAL = 'audit-status-partial';
private $needCommitData;
public function withIDs(array $ids) {
$this->ids = $ids;
return $this;
}
public function withPHIDs(array $phids) {
$this->phids = $phids;
return $this;
}
public function withAuthorPHIDs(array $phids) {
$this->authorPHIDs = $phids;
return $this;
}
/**
* Load commits by partial or full identifiers, e.g. "rXab82393", "rX1234",
* or "a9caf12". When an identifier matches multiple commits, they will all
* be returned; callers should be prepared to deal with more results than
* they queried for.
*/
public function withIdentifiers(array $identifiers) {
$this->identifiers = $identifiers;
return $this;
}
/**
* Look up commits in a specific repository. This is a shorthand for calling
* @{method:withDefaultRepository} and @{method:withRepositoryIDs}.
*/
public function withRepository(PhabricatorRepository $repository) {
$this->withDefaultRepository($repository);
$this->withRepositoryIDs(array($repository->getID()));
return $this;
}
/**
* Look up commits in a specific repository. Prefer
* @{method:withRepositoryIDs}; the underyling table is keyed by ID such
* that this method requires a separate initial query to map PHID to ID.
*/
public function withRepositoryPHIDs(array $phids) {
$this->repositoryPHIDs = $phids;
}
/**
* If a default repository is provided, ambiguous commit identifiers will
* be assumed to belong to the default repository.
*
* For example, "r123" appearing in a commit message in repository X is
* likely to be unambiguously "rX123". Normally the reference would be
* considered ambiguous, but if you provide a default repository it will
* be correctly resolved.
*/
public function withDefaultRepository(PhabricatorRepository $repository) {
$this->defaultRepository = $repository;
return $this;
}
public function withRepositoryIDs(array $repository_ids) {
$this->repositoryIDs = $repository_ids;
return $this;
}
public function needCommitData($need) {
$this->needCommitData = $need;
return $this;
}
public function needAuditRequests($need) {
$this->needAuditRequests = $need;
return $this;
}
/**
* Returns true if we should join the audit table, either because we're
* interested in the information if it's available or because matching rows
* must always have it.
*/
private function shouldJoinAudits() {
return $this->auditStatus ||
$this->rowsMustHaveAudits();
}
/**
* Return true if we should `JOIN` (vs `LEFT JOIN`) the audit table, because
* matching commits will always have audit rows.
*/
private function rowsMustHaveAudits() {
return
$this->auditIDs ||
$this->auditorPHIDs ||
$this->auditAwaitingUser;
}
public function withAuditIDs(array $ids) {
$this->auditIDs = $ids;
return $this;
}
public function withAuditorPHIDs(array $auditor_phids) {
$this->auditorPHIDs = $auditor_phids;
return $this;
}
public function withAuditAwaitingUser(PhabricatorUser $user) {
$this->auditAwaitingUser = $user;
return $this;
}
public function withAuditStatus($status) {
$this->auditStatus = $status;
return $this;
}
public function getIdentifierMap() {
if ($this->identifierMap === null) {
throw new Exception(
pht(
'You must %s the query before accessing the identifier map.',
'execute()'));
}
return $this->identifierMap;
}
protected function getPrimaryTableAlias() {
return 'commit';
}
protected function willExecute() {
if ($this->identifierMap === null) {
$this->identifierMap = array();
}
}
protected function loadPage() {
$table = new PhabricatorRepositoryCommit();
$conn_r = $table->establishConnection('r');
$data = queryfx_all(
$conn_r,
'SELECT commit.* FROM %T commit %Q %Q %Q %Q %Q',
$table->getTableName(),
$this->buildJoinClause($conn_r),
$this->buildWhereClause($conn_r),
$this->buildGroupClause($conn_r),
$this->buildOrderClause($conn_r),
$this->buildLimitClause($conn_r));
return $table->loadAllFromArray($data);
}
protected function willFilterPage(array $commits) {
$repository_ids = mpull($commits, 'getRepositoryID', 'getRepositoryID');
$repos = id(new PhabricatorRepositoryQuery())
->setViewer($this->getViewer())
->withIDs($repository_ids)
->execute();
$min_qualified = PhabricatorRepository::MINIMUM_QUALIFIED_HASH;
$result = array();
foreach ($commits as $key => $commit) {
$repo = idx($repos, $commit->getRepositoryID());
if ($repo) {
$commit->attachRepository($repo);
} else {
unset($commits[$key]);
continue;
}
// Build the identifierMap
if ($this->identifiers !== null) {
$ids = array_fuse($this->identifiers);
$prefixes = array(
'r'.$commit->getRepository()->getCallsign(),
'r'.$commit->getRepository()->getCallsign().':',
'R'.$commit->getRepository()->getID().':',
'', // No prefix is valid too and will only match the commitIdentifier
);
$suffix = $commit->getCommitIdentifier();
if ($commit->getRepository()->isSVN()) {
foreach ($prefixes as $prefix) {
if (isset($ids[$prefix.$suffix])) {
$result[$prefix.$suffix][] = $commit;
}
}
} else {
// This awkward construction is so we can link the commits up in O(N)
// time instead of O(N^2).
for ($ii = $min_qualified; $ii <= strlen($suffix); $ii++) {
$part = substr($suffix, 0, $ii);
foreach ($prefixes as $prefix) {
if (isset($ids[$prefix.$part])) {
$result[$prefix.$part][] = $commit;
}
}
}
}
}
}
if ($result) {
foreach ($result as $identifier => $matching_commits) {
if (count($matching_commits) == 1) {
$result[$identifier] = head($matching_commits);
} else {
// This reference is ambiguous (it matches more than one commit) so
// don't link it.
unset($result[$identifier]);
}
}
$this->identifierMap += $result;
}
return $commits;
}
protected function didFilterPage(array $commits) {
if ($this->needCommitData) {
$data = id(new PhabricatorRepositoryCommitData())->loadAllWhere(
'commitID in (%Ld)',
mpull($commits, 'getID'));
$data = mpull($data, null, 'getCommitID');
foreach ($commits as $commit) {
$commit_data = idx($data, $commit->getID());
if (!$commit_data) {
$commit_data = new PhabricatorRepositoryCommitData();
}
$commit->attachCommitData($commit_data);
}
}
// TODO: This should just be `needAuditRequests`, not `shouldJoinAudits()`,
// but leave that for a future diff.
if ($this->needAuditRequests || $this->shouldJoinAudits()) {
$requests = id(new PhabricatorRepositoryAuditRequest())->loadAllWhere(
'commitPHID IN (%Ls)',
mpull($commits, 'getPHID'));
$requests = mgroup($requests, 'getCommitPHID');
foreach ($commits as $commit) {
$audit_requests = idx($requests, $commit->getPHID(), array());
$commit->attachAudits($audit_requests);
foreach ($audit_requests as $audit_request) {
$audit_request->attachCommit($commit);
}
}
}
return $commits;
}
protected function buildWhereClause(AphrontDatabaseConnection $conn_r) {
$where = array();
if ($this->repositoryPHIDs !== null) {
$map_repositories = id (new PhabricatorRepositoryQuery())
->setViewer($this->getViewer())
->withPHIDs($this->repositoryPHIDs)
->execute();
if (!$map_repositories) {
throw new PhabricatorEmptyQueryException();
}
$repository_ids = mpull($map_repositories, 'getID');
if ($this->repositoryIDs !== null) {
$repository_ids = array_merge($repository_ids, $this->repositoryIDs);
}
$this->withRepositoryIDs($repository_ids);
}
if ($this->ids !== null) {
$where[] = qsprintf(
$conn_r,
'commit.id IN (%Ld)',
$this->ids);
}
if ($this->phids !== null) {
$where[] = qsprintf(
$conn_r,
'commit.phid IN (%Ls)',
$this->phids);
}
if ($this->repositoryIDs !== null) {
$where[] = qsprintf(
$conn_r,
'commit.repositoryID IN (%Ld)',
$this->repositoryIDs);
}
if ($this->authorPHIDs !== null) {
$where[] = qsprintf(
$conn_r,
'commit.authorPHID IN (%Ls)',
$this->authorPHIDs);
}
if ($this->identifiers !== null) {
$min_unqualified = PhabricatorRepository::MINIMUM_UNQUALIFIED_HASH;
$min_qualified = PhabricatorRepository::MINIMUM_QUALIFIED_HASH;
$refs = array();
$bare = array();
foreach ($this->identifiers as $identifier) {
$matches = null;
preg_match('/^(?:[rR]([A-Z]+:?|[0-9]+:))?(.*)$/',
$identifier, $matches);
$repo = nonempty(rtrim($matches[1], ':'), null);
$commit_identifier = nonempty($matches[2], null);
if ($repo === null) {
if ($this->defaultRepository) {
$repo = $this->defaultRepository->getCallsign();
}
}
if ($repo === null) {
if (strlen($commit_identifier) < $min_unqualified) {
continue;
}
$bare[] = $commit_identifier;
} else {
$refs[] = array(
'callsign' => $repo,
'identifier' => $commit_identifier,
);
}
}
$sql = array();
foreach ($bare as $identifier) {
$sql[] = qsprintf(
$conn_r,
'(commit.commitIdentifier LIKE %> AND '.
'LENGTH(commit.commitIdentifier) = 40)',
$identifier);
}
if ($refs) {
$callsigns = ipull($refs, 'callsign');
$repos = id(new PhabricatorRepositoryQuery())
->setViewer($this->getViewer())
->withIdentifiers($callsigns);
$repos->execute();
$repos = $repos->getIdentifierMap();
foreach ($refs as $key => $ref) {
$repo = idx($repos, $ref['callsign']);
if (!$repo) {
continue;
}
if ($repo->isSVN()) {
if (!ctype_digit($ref['identifier'])) {
continue;
}
$sql[] = qsprintf(
$conn_r,
'(commit.repositoryID = %d AND commit.commitIdentifier = %s)',
$repo->getID(),
// NOTE: Because the 'commitIdentifier' column is a string, MySQL
// ignores the index if we hand it an integer. Hand it a string.
// See T3377.
(int)$ref['identifier']);
} else {
if (strlen($ref['identifier']) < $min_qualified) {
continue;
}
$sql[] = qsprintf(
$conn_r,
'(commit.repositoryID = %d AND commit.commitIdentifier LIKE %>)',
$repo->getID(),
$ref['identifier']);
}
}
}
if (!$sql) {
// If we discarded all possible identifiers (e.g., they all referenced
// bogus repositories or were all too short), make sure the query finds
// nothing.
throw new PhabricatorEmptyQueryException(
pht('No commit identifiers.'));
}
$where[] = '('.implode(' OR ', $sql).')';
}
if ($this->auditIDs !== null) {
$where[] = qsprintf(
$conn_r,
'audit.id IN (%Ld)',
$this->auditIDs);
}
if ($this->auditorPHIDs !== null) {
$where[] = qsprintf(
$conn_r,
'audit.auditorPHID IN (%Ls)',
$this->auditorPHIDs);
}
if ($this->auditAwaitingUser) {
$awaiting_user_phid = $this->auditAwaitingUser->getPHID();
// Exclude package and project audits associated with commits where
// the user is the author.
$where[] = qsprintf(
$conn_r,
'(commit.authorPHID IS NULL OR commit.authorPHID != %s)
OR (audit.auditorPHID = %s)',
$awaiting_user_phid,
$awaiting_user_phid);
}
$status = $this->auditStatus;
if ($status !== null) {
switch ($status) {
case self::AUDIT_STATUS_PARTIAL:
$where[] = qsprintf(
$conn_r,
'commit.auditStatus = %d',
PhabricatorAuditCommitStatusConstants::PARTIALLY_AUDITED);
break;
case self::AUDIT_STATUS_ACCEPTED:
$where[] = qsprintf(
$conn_r,
'commit.auditStatus = %d',
PhabricatorAuditCommitStatusConstants::FULLY_AUDITED);
break;
case self::AUDIT_STATUS_CONCERN:
$where[] = qsprintf(
$conn_r,
'audit.auditStatus = %s',
PhabricatorAuditStatusConstants::CONCERNED);
break;
case self::AUDIT_STATUS_OPEN:
$where[] = qsprintf(
$conn_r,
'audit.auditStatus in (%Ls)',
PhabricatorAuditStatusConstants::getOpenStatusConstants());
if ($this->auditAwaitingUser) {
$where[] = qsprintf(
$conn_r,
'awaiting.auditStatus IS NULL OR awaiting.auditStatus != %s',
PhabricatorAuditStatusConstants::RESIGNED);
}
break;
case self::AUDIT_STATUS_ANY:
break;
default:
$valid = array(
self::AUDIT_STATUS_ANY,
self::AUDIT_STATUS_OPEN,
self::AUDIT_STATUS_CONCERN,
self::AUDIT_STATUS_ACCEPTED,
self::AUDIT_STATUS_PARTIAL,
);
throw new Exception(
pht(
"Unknown audit status '%s'! Valid statuses are: %s.",
$status,
implode(', ', $valid)));
}
}
$where[] = $this->buildPagingClause($conn_r);
return $this->formatWhereClause($where);
}
protected function didFilterResults(array $filtered) {
if ($this->identifierMap) {
foreach ($this->identifierMap as $name => $commit) {
if (isset($filtered[$commit->getPHID()])) {
unset($this->identifierMap[$name]);
}
}
}
}
protected function buildJoinClause(AphrontDatabaseConnection $conn_r) {
$joins = array();
$audit_request = new PhabricatorRepositoryAuditRequest();
if ($this->shouldJoinAudits()) {
$joins[] = qsprintf(
$conn_r,
'%Q %T audit ON commit.phid = audit.commitPHID',
($this->rowsMustHaveAudits() ? 'JOIN' : 'LEFT JOIN'),
$audit_request->getTableName());
}
if ($this->auditAwaitingUser) {
// Join the request table on the awaiting user's requests, so we can
// filter out package and project requests which the user has resigned
// from.
$joins[] = qsprintf(
$conn_r,
'LEFT JOIN %T awaiting ON audit.commitPHID = awaiting.commitPHID AND
awaiting.auditorPHID = %s',
$audit_request->getTableName(),
$this->auditAwaitingUser->getPHID());
}
if ($joins) {
return implode(' ', $joins);
} else {
return '';
}
}
protected function buildGroupClause(AphrontDatabaseConnection $conn_r) {
$should_group = $this->shouldJoinAudits();
// TODO: Currently, the audit table is missing a unique key, so we may
// require a GROUP BY if we perform this join. See T1768. This can be
// removed once the table has the key.
if ($this->auditAwaitingUser) {
$should_group = true;
}
if ($should_group) {
return 'GROUP BY commit.id';
} else {
return '';
}
}
public function getQueryApplicationClass() {
return 'PhabricatorDiffusionApplication';
}
}
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