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phorge/src/applications/diffusion/query/symbol/DiffusionSymbolQuery.php
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DiffusionSymbolQuery.php
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<?php
/*
* Copyright 2012 Facebook, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/**
* Query symbol information (class and function names and location), returning
* a list of matching @{class:PhabricatorRepositorySymbol} objects and possibly
* attached data.
*
* @task config Configuring the Query
* @task exec Executing the Query
* @task internal Internals
*
* @group diffusion
*/
final class DiffusionSymbolQuery {
private $namePrefix;
private $name;
private $projectIDs;
private $language;
private $type;
private $limit = 20;
private $needPaths;
private $needArcanistProject;
private $needRepositories;
/* -( Configuring the Query )---------------------------------------------- */
/**
* @task config
*/
public function setName($name) {
$this->name = $name;
return $this;
}
/**
* @task config
*/
public function setNamePrefix($name_prefix) {
$this->namePrefix = $name_prefix;
return $this;
}
/**
* @task config
*/
public function setProjectIDs(array $project_ids) {
$this->projectIDs = $project_ids;
return $this;
}
/**
* @task config
*/
public function setLanguage($language) {
$this->language = $language;
return $this;
}
/**
* @task config
*/
public function setType($type) {
$this->type = $type;
return $this;
}
/**
* @task config
*/
public function setLimit($limit) {
$this->limit = $limit;
return $this;
}
/**
* @task config
*/
public function needPaths($need_paths) {
$this->needPaths = $need_paths;
return $this;
}
/**
* @task config
*/
public function needArcanistProjects($need_arcanist_projects) {
$this->needArcanistProjects = $need_arcanist_projects;
return $this;
}
/**
* @task config
*/
public function needRepositories($need_repositories) {
$this->needRepositories = $need_repositories;
return $this;
}
/* -( Executing the Query )------------------------------------------------ */
/**
* @task exec
*/
public function execute() {
if ($this->name && $this->namePrefix) {
throw new Exception(
"You can not set both a name and a name prefix!");
} else if (!$this->name && !$this->namePrefix) {
throw new Exception(
"You must set a name or a name prefix!");
}
$symbol = new PhabricatorRepositorySymbol();
$conn_r = $symbol->establishConnection('r');
$where = array();
if ($this->name) {
$where[] = qsprintf(
$conn_r,
'symbolName = %s',
$this->name);
}
if ($this->namePrefix) {
$where[] = qsprintf(
$conn_r,
'symbolName LIKE %>',
$this->namePrefix);
}
if ($this->projectIDs) {
$where[] = qsprintf(
$conn_r,
'arcanistProjectID IN (%Ld)',
$this->projectIDs);
}
$where = 'WHERE ('.implode(') AND (', $where).')';
$data = queryfx_all(
$conn_r,
'SELECT * FROM %T %Q',
$symbol->getTableName(),
$where);
// Our ability to match up symbol types and languages probably isn't all
// that great, so use them as hints for ranking rather than hard
// requirements. TODO: Is this really the right choice?
foreach ($data as $key => $row) {
$score = 0;
if ($this->language && $row['symbolLanguage'] == $this->language) {
$score += 2;
}
if ($this->type && $row['symbolType'] == $this->type) {
$score += 1;
}
$data[$key]['score'] = $score;
$data[$key]['id'] = $key;
}
$data = isort($data, 'score');
$data = array_reverse($data);
$data = array_slice($data, 0, $this->limit);
$symbols = $symbol->loadAllFromArray($data);
if ($symbols) {
if ($this->needPaths) {
$this->loadPaths($symbols);
}
if ($this->needArcanistProjects || $this->needRepositories) {
$this->loadArcanistProjects($symbols);
}
if ($this->needRepositories) {
$this->loadRepositories($symbols);
}
}
return $symbols;
}
/* -( Internals )---------------------------------------------------------- */
/**
* @task internal
*/
private function loadPaths(array $symbols) {
assert_instances_of($symbols, 'PhabricatorRepositorySymbol');
$path_map = queryfx_all(
id(new PhabricatorRepository())->establishConnection('r'),
'SELECT * FROM %T WHERE id IN (%Ld)',
PhabricatorRepository::TABLE_PATH,
mpull($symbols, 'getPathID'));
$path_map = ipull($path_map, 'path', 'id');
foreach ($symbols as $symbol) {
$symbol->attachPath(idx($path_map, $symbol->getPathID()));
}
}
/**
* @task internal
*/
private function loadArcanistProjects(array $symbols) {
assert_instances_of($symbols, 'PhabricatorRepositorySymbol');
$projects = id(new PhabricatorRepositoryArcanistProject())->loadAllWhere(
'id IN (%Ld)',
mpull($symbols, 'getArcanistProjectID'));
foreach ($symbols as $symbol) {
$project = idx($projects, $symbol->getArcanistProjectID());
$symbol->attachArcanistProject($project);
}
}
/**
* @task internal
*/
private function loadRepositories(array $symbols) {
assert_instances_of($symbols, 'PhabricatorRepositorySymbol');
$projects = mpull($symbols, 'getArcanistProject');
$projects = array_filter($projects);
$repo_ids = mpull($projects, 'getRepositoryID');
$repo_ids = array_filter($repo_ids);
if ($repo_ids) {
$repos = id(new PhabricatorRepository())->loadAllWhere(
'id IN (%Ld)',
$repo_ids);
} else {
$repos = array();
}
foreach ($symbols as $symbol) {
$proj = $symbol->getArcanistProject();
if ($proj) {
$symbol->attachRepository(idx($repos, $proj->getRepositoryID()));
} else {
$symbol->attachRepository(null);
}
}
}
}

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