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API: Search endpoint

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Michael 2021-05-17 22:22:51 +00:00
commit c9110e03e1
4 changed files with 200 additions and 6 deletions
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2
doc/API-Mastodon.md
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@ -109,6 +109,7 @@ These endpoints use the [Mastodon API entities](https://docs.joinmastodon.org/en
- [`GET /api/v1/timelines/public`](https://docs.joinmastodon.org/methods/timelines/)
- [`GET /api/v1/timelines/tag/:hashtag`](https://docs.joinmastodon.org/methods/timelines/)
- [`GET /api/v1/trends`](https://docs.joinmastodon.org/methods/instance/trends/)
- [`GET /api/v2/search`](https://docs.joinmastodon.org/methods/search/)
## Currently unimplemented endpoints
@ -122,7 +123,6 @@ These emdpoints are planned to be implemented
- [`POST /api/v1/conversations/:id/read`](https://docs.joinmastodon.org/methods/timelines/conversations/)
- [`GET /api/v1/instance/activity`](https://docs.joinmastodon.org/methods/instance#weekly-activity)
- [`GET /api/v1/timelines/direct`](https://docs.joinmastodon.org/methods/timelines/)
- [`GET /api/v2/search`](https://docs.joinmastodon.org/methods/search/)
## Non supportable endpoints

8
src/Module/Api/Mastodon/Accounts/Search.php
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@ -44,13 +44,13 @@ class Search extends BaseApi
$uid = self::getCurrentUserID();
// What to search for
$q = (int)!isset($_REQUEST['q']) ? 0 : $_REQUEST['q'];
$q = $_REQUEST['q'] ?? '';
// Maximum number of results. Defaults to 40.
$limit = (int)!isset($_REQUEST['limit']) ? 40 : $_REQUEST['limit'];
$limit = (int)$_REQUEST['limit'] ?? 40;
// Attempt WebFinger lookup. Defaults to false. Use this when q is an exact address.
$resolve = (int)!isset($_REQUEST['resolve']) ? 0 : $_REQUEST['resolve'];
$resolve = (bool)!isset($_REQUEST['resolve']) ? false : ($_REQUEST['resolve'] == 'true');
// Only who the user is following. Defaults to false.
$following = (int)!isset($_REQUEST['following']) ? 0 : $_REQUEST['following'];
$following = (bool)!isset($_REQUEST['following']) ? false : ($_REQUEST['following'] == 'true');
$accounts = [];

194
src/Module/Api/Mastodon/Search.php Normal file
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@ -0,0 +1,194 @@
<?php
/**
* @copyright Copyright (C) 2010-2021, the Friendica project
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Module\Api\Mastodon;
use Friendica\Core\Protocol;
use Friendica\Core\Search as CoreSearch;
use Friendica\Core\System;
use Friendica\Database\DBA;
use Friendica\DI;
use Friendica\Model\Contact;
use Friendica\Model\Post;
use Friendica\Model\Tag;
use Friendica\Module\BaseApi;
use Friendica\Object\Search\ContactResult;
/**
* @see https://docs.joinmastodon.org/methods/search/
*/
class Search extends BaseApi
{
/**
* @param array $parameters
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function rawContent(array $parameters = [])
{
self::login(self::SCOPE_READ);
$uid = self::getCurrentUserID();
// If provided, statuses returned will be authored only by this account
$account_id = $_REQUEST['account_id'] ?? '';
// Return results older than this id
$max_id = (int)($_REQUEST['max_id'] ?? 0);
// Return results immediately newer than this id
$min_id = (int)($_REQUEST['min_id'] ?? 0);
// Enum(accounts, hashtags, statuses)
$type = $_REQUEST['type'] ?? '';
// Filter out unreviewed tags? Defaults to false. Use true when trying to find trending tags.
$exclude_unreviewed = (bool)!isset($_REQUEST['exclude_unreviewed']) ? false : ($_REQUEST['exclude_unreviewed'] == 'true');
// The search query
$q = $_REQUEST['q'] ?? '';
// Attempt WebFinger lookup. Defaults to false.
$resolve = (bool)!isset($_REQUEST['resolve']) ? false : ($_REQUEST['resolve'] == 'true');
// Maximum number of results to load, per type. Defaults to 20. Max 40.
$limit = (int)($_REQUEST['limit'] ?? 20);
// Offset in search results. Used for pagination. Defaults to 0.
$offset = (int)($_REQUEST['offset'] ?? 0);
// Only who the user is following. Defaults to false.
$following = (bool)!isset($_REQUEST['following']) ? false : ($_REQUEST['following'] == 'true');
$result = ['accounts' => [], 'statuses' => [], 'hashtags' => []];
if (empty($type) || ($type == 'accounts')) {
$result['accounts'] = self::searchAccounts($uid, $q, $resolve, $limit, $offset, $following);
}
if ((empty($type) || ($type == 'statuses')) && (strpos($q, '@') == false)) {
$result['statuses'] = self::searchStatuses($uid, $q, $account_id, $max_id, $min_id, $limit, $offset);
}
if ((empty($type) || ($type == 'hashtags')) && (strpos($q, '@') == false)) {
$result['hashtags'] = self::searchHashtags($q, $exclude_unreviewed, $limit, $offset);
}
System::jsonExit($result);
}
private static function searchAccounts(int $uid, string $q, bool $resolve, int $limit, int $offset, bool $following)
{
$accounts = [];
if (!$following) {
if ((strrpos($q, '@') > 0) && $resolve) {
$results = CoreSearch::getContactsFromProbe($q);
}
if (empty($results)) {
if (DI::config()->get('system', 'poco_local_search')) {
$results = CoreSearch::getContactsFromLocalDirectory($q, CoreSearch::TYPE_ALL, 0, $limit);
} elseif (!empty(DI::config()->get('system', 'directory'))) {
$results = CoreSearch::getContactsFromGlobalDirectory($q, CoreSearch::TYPE_ALL, 1);
}
}
if (!empty($results)) {
$counter = 0;
foreach ($results->getResults() as $result) {
if (++$counter > $limit) {
continue;
}
if ($result instanceof ContactResult) {
$id = Contact::getIdForURL($result->getUrl(), 0, false);
$accounts[] = DI::mstdnAccount()->createFromContactId($id, $uid);
}
}
}
} else {
$contacts = Contact::searchByName($q, '', $uid);
$counter = 0;
foreach ($contacts as $contact) {
if (!in_array($contact['rel'], [Contact::SHARING, Contact::FRIEND])) {
continue;
}
if (++$counter > $limit) {
continue;
}
$accounts[] = DI::mstdnAccount()->createFromContactId($contact['id'], $uid);
}
DBA::close($contacts);
}
return $accounts;
}
private static function searchStatuses(int $uid, string $q, string $account_id, int $max_id, int $min_id, int $limit, int $offset)
{
$params = ['order' => ['uri-id' => true], 'limit' => [$offset, $limit]];
if (substr($q, 0, 1) == '#') {
$condition = ["`name` = ? AND (`uid` = ? OR (`uid` = ? AND NOT `global`))
AND (`network` IN (?, ?, ?, ?) OR (`uid` = ? AND `uid` != ?))",
substr($q, 1), 0, $uid, Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, $uid, 0];
$table = 'tag-search-view';
} else {
$condition = ["`uri-id` IN (SELECT `uri-id` FROM `post-content` WHERE MATCH (`title`, `content-warning`, `body`) AGAINST (? IN BOOLEAN MODE))
AND (`uid` = ? OR (`uid` = ? AND NOT `global`)) AND (`network` IN (?, ?, ?, ?) OR (`uid` = ? AND `uid` != ?))",
str_replace('@', ' ', $q), 0, $uid, Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, $uid, 0];
$table = 'post-user-view';
}
if (!empty($max_id)) {
$condition = DBA::mergeConditions($condition, ["`uri-id` < ?", $max_id]);
}
if (!empty($since_id)) {
$condition = DBA::mergeConditions($condition, ["`uri-id` > ?", $since_id]);
}
if (!empty($min_id)) {
$condition = DBA::mergeConditions($condition, ["`uri-id` > ?", $min_id]);
$params['order'] = ['uri-id'];
}
$items = DBA::select($table, ['uri-id'], $condition, $params);
$statuses = [];
while ($item = Post::fetch($items)) {
$statuses[] = DI::mstdnStatus()->createFromUriId($item['uri-id'], $uid);
}
DBA::close($items);
if (!empty($min_id)) {
array_reverse($statuses);
}
return $statuses;
}
private static function searchHashtags(string $q, bool $exclude_unreviewed, int $limit, int $offset)
{
$q = ltrim($q, '#');
$params = ['order' => ['name'], 'limit' => [$offset, $limit]];
$condition = ["`id` IN (SELECT `tid` FROM `post-tag` WHERE `type` = ? AND `tid` = `id`) AND `name` LIKE ?", Tag::HASHTAG, $q . '%'];
$tags = DBA::select('tag', ['name'], $condition, $params);
$hashtags = [];
foreach ($tags as $tag) {
$hashtags[] = new \Friendica\Object\Api\Mastodon\Tag(DI::baseUrl(), $tag);
}
return $hashtags;
}
}

2
static/routes.config.php
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@ -150,7 +150,7 @@ return [
'/trends' => [Module\Api\Mastodon\Trends::class, [R::GET ]],
],
'/v2' => [
'/search' => [Module\Api\Mastodon\Unimplemented::class, [R::GET ]], // @todo
'/search' => [Module\Api\Mastodon\Search::class, [R::GET ]],
],
'/friendica' => [
'/profile/show' => [Module\Api\Friendica\Profile\Show::class, [R::GET ]],