gnu-social/plugins/SearchSub/SearchSubPlugin.php

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<?php
/**
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2011, StatusNet, Inc.
*
* A plugin to enable local tab subscription
*
* PHP version 5
*
* 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 <http://www.gnu.org/licenses/>.
*
* @category SearchSubPlugin
* @package StatusNet
* @author Brion Vibber <brion@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
if (!defined('STATUSNET')) {
exit(1);
}
/**
* SearchSub plugin main class
*
* @category SearchSubPlugin
* @package StatusNet
* @author Brion Vibber <brionv@status.net>
* @copyright 2011 StatusNet, Inc.
* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
* @link http://status.net/
*/
class SearchSubPlugin extends Plugin
{
const VERSION = '0.1';
/**
* Database schema setup
*
* @see Schema
*
* @return boolean hook value; true means continue processing, false means stop.
*/
function onCheckSchema()
{
$schema = Schema::get();
$schema->ensureTable('searchsub', SearchSub::schemaDef());
return true;
}
/**
* Map URLs to actions
*
* @param URLMapper $m path-to-action mapper
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*
* @return boolean hook value; true means continue processing, false means stop.
*/
public function onRouterInitialized(URLMapper $m)
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{
$m->connect('search/:search/subscribe',
array('action' => 'searchsub'),
array('search' => Router::REGEX_TAG));
$m->connect('search/:search/unsubscribe',
array('action' => 'searchunsub'),
array('search' => Router::REGEX_TAG));
$m->connect(':nickname/search-subscriptions',
array('action' => 'searchsubs'),
array('nickname' => Nickname::DISPLAY_FMT));
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return true;
}
/**
* Plugin version data
*
* @param array &$versions array of version data
*
* @return value
*/
function onPluginVersion(array &$versions)
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{
$versions[] = array('name' => 'SearchSub',
'version' => self::VERSION,
'author' => 'Brion Vibber',
'homepage' => 'https://git.gnu.io/gnu/gnu-social/tree/master/plugins/SearchSub',
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'rawdescription' =>
// TRANS: Plugin description.
_m('Plugin to allow following all messages with a given search.'));
return true;
}
/**
* Hook inbox delivery setup so search subscribers receive all
* notices with that search in their inbox.
*
* Currently makes no distinction between local messages and
* remote ones which happen to come in to the system. Remote
* notices that don't come in at all won't ever reach this.
*
* @param Notice $notice
* @param array $ni in/out map of profile IDs to inbox constants
* @return boolean hook result
*/
function onStartNoticeWhoGets(Notice $notice, array &$ni)
{
// Warning: this is potentially very slow
// with a lot of searches!
$sub = new SearchSub();
$sub->groupBy('search');
$sub->find();
while ($sub->fetch()) {
$search = $sub->search;
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if ($this->matchSearch($notice, $search)) {
// Match? Find all those who subscribed to this
// search term and get our delivery on...
$searchsub = new SearchSub();
$searchsub->search = $search;
$searchsub->find();
while ($searchsub->fetch()) {
// These constants are currently not actually used, iirc
$ni[$searchsub->profile_id] = NOTICE_INBOX_SOURCE_SUB;
}
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}
}
return true;
}
/**
* Does the given notice match the given fulltext search query?
*
* Warning: not guaranteed to match other search engine behavior, etc.
* Currently using a basic case-insensitive substring match, which
* probably fits with the 'LIKE' search but not the default MySQL
* or Sphinx search backends.
*
* @param Notice $notice
* @param string $search
* @return boolean
*/
function matchSearch(Notice $notice, $search)
{
return (mb_stripos($notice->content, $search) !== false);
}
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/**
*
* @param NoticeSearchAction $action
* @param string $q
* @param Notice $notice
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* @return boolean hook result
*/
function onStartNoticeSearchShowResults($action, $q, $notice)
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{
$user = common_current_user();
if ($user) {
$search = $q;
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$searchsub = SearchSub::pkeyGet(array('search' => $search,
'profile_id' => $user->id));
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if ($searchsub) {
$form = new SearchUnsubForm($action, $search);
} else {
$form = new SearchSubForm($action, $search);
}
$action->elementStart('div', 'entity_actions');
$action->elementStart('ul');
$action->elementStart('li', 'entity_subscribe');
$form->show();
$action->elementEnd('li');
$action->elementEnd('ul');
$action->elementEnd('div');
}
return true;
}
/**
* Menu item for personal subscriptions/groups area
*
* @param Widget $widget Widget being executed
*
* @return boolean hook return
*/
function onEndSubGroupNav($widget)
{
$action = $widget->out;
$action_name = $action->trimmed('action');
$action->menuItem(common_local_url('searchsubs', array('nickname' => $action->user->nickname)),
// TRANS: SearchSub plugin menu item on user settings page.
_m('MENU', 'Searches'),
// TRANS: SearchSub plugin tooltip for user settings menu item.
_m('Configure search subscriptions'),
$action_name == 'searchsubs' && $action->arg('nickname') == $action->user->nickname);
return true;
}
/**
* Replace the built-in stub track commands with ones that control
* search subscriptions.
*
* @param CommandInterpreter $cmd
* @param string $arg
* @param User $user
* @param Command $result
* @return boolean hook result
*/
function onEndInterpretCommand($cmd, $arg, $user, &$result)
{
if ($result instanceof TrackCommand) {
$result = new SearchSubTrackCommand($user, $arg);
return false;
} else if ($result instanceof TrackOffCommand) {
$result = new SearchSubTrackOffCommand($user);
return false;
} else if ($result instanceof TrackingCommand) {
$result = new SearchSubTrackingCommand($user);
return false;
} else if ($result instanceof UntrackCommand) {
$result = new SearchSubUntrackCommand($user, $arg);
return false;
} else {
return true;
}
}
function onHelpCommandMessages($cmd, &$commands)
{
// TRANS: Help message for IM/SMS command "track <word>"
$commands["track <word>"] = _m('COMMANDHELP', "Start following notices matching the given search query.");
// TRANS: Help message for IM/SMS command "untrack <word>"
$commands["untrack <word>"] = _m('COMMANDHELP', "Stop following notices matching the given search query.");
// TRANS: Help message for IM/SMS command "track off"
$commands["track off"] = _m('COMMANDHELP', "Disable all tracked search subscriptions.");
// TRANS: Help message for IM/SMS command "untrack all"
$commands["untrack all"] = _m('COMMANDHELP', "Disable all tracked search subscriptions.");
// TRANS: Help message for IM/SMS command "tracks"
$commands["tracks"] = _m('COMMANDHELP', "List all your search subscriptions.");
// TRANS: Help message for IM/SMS command "tracking"
$commands["tracking"] = _m('COMMANDHELP', "List all your search subscriptions.");
}
function onEndDefaultLocalNav($menu, $user)
{
$user = common_current_user();
if (!empty($user)) {
$searches = SearchSub::forProfile($user->getProfile());
if (!empty($searches) && count($searches) > 0) {
$searchSubMenu = new SearchSubMenu($menu->out, $user, $searches);
// TRANS: Sub menu for searches.
$menu->submenu(_m('MENU','Searches'), $searchSubMenu);
}
}
return true;
}
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}