311 lines
12 KiB
PHP
311 lines
12 KiB
PHP
<?php
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/*
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* GNU Social - a federating social network
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* Copyright (C) 2014, Free Software Foundation, Inc.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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if (!defined('GNUSOCIAL')) { exit(1); }
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/**
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* @package Activity
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* @maintainer Mikael Nordfeldth <mmn@hethane.se>
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*/
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class SharePlugin extends ActivityVerbHandlerPlugin
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{
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public function tag()
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{
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return 'share';
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}
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public function types()
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{
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return array();
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}
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public function verbs()
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{
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return array(ActivityVerb::SHARE);
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}
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public function onRouterInitialized(URLMapper $m)
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{
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// Web UI actions
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$m->connect('main/repeat', array('action' => 'repeat'));
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// Share for Twitter API ("Retweet")
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$m->connect('api/statuses/retweeted_by_me.:format',
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array('action' => 'ApiTimelineRetweetedByMe',
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'format' => '(xml|json|atom|as)'));
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$m->connect('api/statuses/retweeted_to_me.:format',
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array('action' => 'ApiTimelineRetweetedToMe',
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'format' => '(xml|json|atom|as)'));
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$m->connect('api/statuses/retweets_of_me.:format',
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array('action' => 'ApiTimelineRetweetsOfMe',
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'format' => '(xml|json|atom|as)'));
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$m->connect('api/statuses/retweet/:id.:format',
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array('action' => 'ApiStatusesRetweet',
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'id' => '[0-9]+',
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'format' => '(xml|json)'));
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$m->connect('api/statuses/retweets/:id.:format',
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array('action' => 'ApiStatusesRetweets',
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'id' => '[0-9]+',
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'format' => '(xml|json)'));
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}
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// FIXME: Set this to abstract public in lib/activityhandlerplugin.php when all plugins have migrated!
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protected function saveObjectFromActivity(Activity $act, Notice $stored, array $options=array())
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{
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assert($this->isMyActivity($act));
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// The below algorithm is mainly copied from the previous Ostatus_profile->processShare()
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if (count($act->objects) !== 1) {
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// TRANS: Client exception thrown when trying to share multiple activities at once.
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throw new ClientException(_m('Can only handle share activities with exactly one object.'));
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}
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$shared = $act->objects[0];
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if (!$shared instanceof Activity) {
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// TRANS: Client exception thrown when trying to share a non-activity object.
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throw new ClientException(_m('Can only handle shared activities.'));
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}
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$sharedUri = $shared->id;
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if (!empty($shared->objects[0]->id)) {
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// Because StatusNet since commit 8cc4660 sets $shared->id to a TagURI which
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// fucks up federation, because the URI is no longer recognised by the origin.
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// So we set it to the object ID if it exists, otherwise we trust $shared->id
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$sharedUri = $shared->objects[0]->id;
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}
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if (empty($sharedUri)) {
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throw new ClientException(_m('Shared activity does not have an id'));
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}
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try {
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// First check if we have the shared activity. This has to be done first, because
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// we can't use these functions to "ensureActivityObjectProfile" of a local user,
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// who might be the creator of the shared activity in question.
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$sharedNotice = Notice::getByUri($sharedUri);
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} catch (NoResultException $e) {
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// If no locally stored notice is found, process it!
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// TODO: Remember to check Deleted_notice!
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// TODO: If a post is shared that we can't retrieve - what to do?
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$other = Ostatus_profile::ensureActivityObjectProfile($shared->actor);
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$sharedNotice = $other->processActivity($shared, 'push'); // FIXME: push/salmon/what?
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if (!$sharedNotice instanceof Notice) {
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// And if we apparently can't get the shared notice, we'll abort the whole thing.
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// TRANS: Client exception thrown when saving an activity share fails.
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// TRANS: %s is a share ID.
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throw new ClientException(sprintf(_m('Failed to save activity %s.'), $sharedUri));
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}
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} catch (FeedSubException $e) {
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// Remote feed could not be found or verified, should we
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// transform this into an "RT @user Blah, blah, blah..."?
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common_log(LOG_INFO, __METHOD__ . ' got a ' . get_class($e) . ': ' . $e->getMessage());
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return false;
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}
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// We don't have to save a repeat in a separate table, we can
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// find repeats by just looking at the notice.repeat_of field.
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// By returning true here instead of something that evaluates
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// to false, we show that we have processed everything properly.
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return true;
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}
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// FIXME: Put this in lib/activityhandlerplugin.php when we're ready
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// with the other microapps/activityhandlers as well.
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// Also it should be StartNoticeAsActivity (with a prepped Activity, including ->context etc.)
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public function onEndNoticeAsActivity(Notice $stored, Activity $act, Profile $scoped=null)
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{
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if (!$this->isMyNotice($stored)) {
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return true;
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}
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common_debug('Extending activity '.$stored->id.' with '.get_called_class());
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$this->extendActivity($stored, $act, $scoped);
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return false;
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}
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public function extendActivity(Notice $stored, Activity $act, Profile $scoped=null)
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{
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// TODO: How to handle repeats of deleted notices?
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$target = Notice::getById($stored->repeat_of);
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// TRANS: A repeat activity's title. %1$s is repeater's nickname
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// and %2$s is the repeated user's nickname.
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$act->title = sprintf(_('%1$s repeated a notice by %2$s'),
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$stored->getProfile()->getNickname(),
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$target->getProfile()->getNickname());
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$act->objects[] = $target->asActivity($scoped);
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}
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public function activityObjectFromNotice(Notice $notice)
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{
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// Repeat is a little bit special. As it's an activity, our
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// ActivityObject is instead turned into an Activity
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$object = new Activity();
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$object->verb = ActivityVerb::SHARE;
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$object->content = $notice->rendered;
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$this->extendActivity($stored, $act);
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return $object;
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}
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public function deleteRelated(Notice $notice)
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{
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// No action needed as we don't have a separate table for share objects.
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return true;
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}
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// Layout stuff
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public function onEndShowThreadedNoticeTailItems(NoticeListItem $nli, Notice $notice, &$threadActive)
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{
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if ($nli instanceof ThreadedNoticeListSubItem) {
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// The sub-items are replies to a conversation, thus we use different HTML elements etc.
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$item = new ThreadedNoticeListInlineRepeatsItem($notice, $nli->out);
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} else {
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$item = new ThreadedNoticeListRepeatsItem($notice, $nli->out);
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}
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$threadActive = $item->show() || $threadActive;
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return true;
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}
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/**
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* show the "repeat" form in the notice options element
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* FIXME: Don't let a NoticeListItemAdapter slip in here (or extend that from NoticeListItem)
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*
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* @return void
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*/
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public function onEndShowNoticeOptionItems($nli)
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{
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// FIXME: Use bitmasks (but be aware that PUBLIC_SCOPE is 0!)
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if ($nli->notice->scope == Notice::PUBLIC_SCOPE ||
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$nli->notice->scope == Notice::SITE_SCOPE) {
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$scoped = Profile::current();
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if ($scoped instanceof Profile &&
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$scoped->getID() !== $nli->notice->getProfile()->getID()) {
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if ($scoped->hasRepeated($nli->notice)) {
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$nli->out->element('span', array('class' => 'repeated',
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// TRANS: Title for repeat form status in notice list when a notice has been repeated.
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'title' => _('Notice repeated.')),
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// TRANS: Repeat form status in notice list when a notice has been repeated.
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_('Repeated'));
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} else {
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$repeat = new RepeatForm($nli->out, $nli->notice);
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$repeat->show();
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}
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}
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}
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}
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public function showNoticeListItem(NoticeListItem $nli)
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{
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// pass
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}
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public function openNoticeListItemElement(NoticeListItem $nli)
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{
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// pass
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}
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public function closeNoticeListItemElement(NoticeListItem $nli)
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{
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// pass
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}
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/**
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* EndInterpretCommand for RepeatPlugin will handle the 'repeat' command
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* using the class RepeatCommand.
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*
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* @param string $cmd Command being run
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* @param string $arg Rest of the message (including address)
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* @param User $user User sending the message
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* @param Command &$result The resulting command object to be run.
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*
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* @return boolean hook value
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*/
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public function onStartInterpretCommand($cmd, $arg, $user, &$result)
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{
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if ($result === false && in_array($cmd, array('repeat', 'rp', 'rt', 'rd'))) {
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if (empty($arg)) {
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$result = null;
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} else {
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list($other, $extra) = CommandInterpreter::split_arg($arg);
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if (!empty($extra)) {
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$result = null;
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} else {
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$result = new RepeatCommand($user, $other);
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}
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}
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return false;
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}
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return true;
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}
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public function onHelpCommandMessages(HelpCommand $help, array &$commands)
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{
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// TRANS: Help message for IM/SMS command "repeat #<notice_id>".
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$commands['repeat #<notice_id>'] = _m('COMMANDHELP', "repeat a notice with a given id");
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// TRANS: Help message for IM/SMS command "repeat <nickname>".
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$commands['repeat <nickname>'] = _m('COMMANDHELP', "repeat the last notice from user");
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}
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/**
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* Are we allowed to perform a certain command over the API?
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*/
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public function onCommandSupportedAPI(Command $cmd, &$supported)
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{
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$supported = $supported || $cmd instanceof RepeatCommand;
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}
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protected function getActionTitle(ManagedAction $action, $verb, Notice $target, Profile $scoped)
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{
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// return page title
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}
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protected function doActionPreparation(ManagedAction $action, $verb, Notice $target, Profile $scoped)
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{
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// prepare Action?
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}
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protected function doActionPost(ManagedAction $action, $verb, Notice $target, Profile $scoped)
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{
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// handle repeat POST
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}
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protected function getActivityForm(ManagedAction $action, $verb, Notice $target, Profile $scoped)
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{
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return new RepeatForm($action, $target);
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}
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public function onPluginVersion(array &$versions)
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{
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$versions[] = array('name' => 'Share verb',
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'version' => GNUSOCIAL_VERSION,
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'author' => 'Mikael Nordfeldth',
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'homepage' => 'https://gnu.io/',
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'rawdescription' =>
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// TRANS: Plugin description.
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_m('Shares (repeats) using ActivityStreams.'));
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return true;
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}
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}
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