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306 lines
7.6 KiB
PHP
306 lines
7.6 KiB
PHP
<?php
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namespace Zotlabs\Module;
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use App;
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use Zotlabs\Lib\Libsync;
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use Zotlabs\Lib\Activity;
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use Zotlabs\Web\Controller;
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use Zotlabs\Daemon\Run;
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require_once('include/security.php');
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require_once('include/bbcode.php');
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require_once('include/event.php');
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class Like extends Controller {
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private function reaction_to_activity($reaction) {
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$undo = false;
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$acts = [
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'like' => 'Like',
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'dislike' => 'Dislike',
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'attendyes' => 'Accept',
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'attendno' => 'Reject',
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'attendmaybe' => 'TentativeAccept',
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];
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// unlike (etc.) reactions are an undo of positive reactions, rather than a negative action.
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// The activity is the same in undo actions and will have the same activity mapping
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if(substr($reaction,0,2) === 'un') {
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$undo = true;
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$reaction = substr($reaction,2);
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}
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if(array_key_exists($reaction,$acts)) {
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return (($undo) ? 'Undo/' : EMPTY_STR) . $acts[$reaction];
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}
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return EMPTY_STR;
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}
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public function get() {
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$undo = false;
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$object = $target = null;
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$owner_uid = 0;
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$post_type = EMPTY_STR;
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$objtype = EMPTY_STR;
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$allow_cid = $allow_gid = $deny_cid = $deny_gid = '';
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$output = EMPTY_STR;
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$sys_channel = get_sys_channel();
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$sys_channel_id = (($sys_channel) ? $sys_channel['channel_id'] : 0);
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$observer = App::get_observer();
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$verb = ((array_key_exists('verb', $_GET)) ? notags(trim($_GET['verb'])) : EMPTY_STR);
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// Figure out what action we're performing
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$activity = $this->reaction_to_activity($verb);
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if (! $activity) {
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return EMPTY_STR;
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}
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// Check for negative (undo) condition
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// eg: 'Undo/Like' results in $undo conditional and $activity set to 'Like'
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$test = explode('/', $activity);
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if (count($test) > 1) {
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$undo = true;
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$activity = $test[1];
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}
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$is_rsvp = in_array($activity, [ 'Accept', 'Reject', 'TentativeAccept' ]);
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// Check for when target is something besides messages, where argv(1) is the type of thing
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// and argv(2) is an identifier of things of that type
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// We currently only recognise 'profile' but other types could be handled
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if (! $observer) {
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killme();
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}
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// this is used to like an item or comment
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$item_id = ((argc() == 2) ? notags(trim(argv(1))) : 0);
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logger('like: verb ' . $verb . ' item ' . $item_id, LOGGER_DEBUG);
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// get the item. Allow linked photos (which are normally hidden) to be liked
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$r = q("SELECT * FROM item WHERE id = %d
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and item_type in (0,6,7) and item_deleted = 0 and item_unpublished = 0
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and item_delayed = 0 and item_pending_remove = 0 and item_blocked = 0 LIMIT 1",
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intval($item_id)
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);
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// if interacting with a pubstream item,
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// create a copy of the parent in your stream.
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if ($r) {
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if (local_channel()) {
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$r = [ copy_of_pubitem(App::get_channel(), $r[0]['mid']) ];
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}
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}
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if(! $item_id || (! $r)) {
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logger('like: no item ' . $item_id);
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killme();
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}
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xchan_query($r,true);
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$item = array_shift($r);
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$owner_uid = $item['uid'];
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$owner_aid = $item['aid'];
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$can_comment = false;
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if ((array_key_exists('owner',$item)) && intval($item['owner']['abook_self'])) {
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$can_comment = perm_is_allowed($item['uid'],$observer['xchan_hash'],'post_comments');
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}
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else {
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$can_comment = can_comment_on_post($observer['xchan_hash'],$item);
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}
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if (! $can_comment) {
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notice( t('Permission denied') . EOL);
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killme();
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}
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$r = q("select * from xchan where xchan_hash = '%s' limit 1",
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dbesc($item['owner_xchan'])
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);
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if ($r) {
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$thread_owner = array_shift($r);
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}
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else {
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killme();
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}
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$r = q("select * from xchan where xchan_hash = '%s' limit 1",
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dbesc($item['author_xchan'])
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);
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if ($r) {
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$item_author = array_shift($r);
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}
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else {
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killme();
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}
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$verbs = " '" . dbesc($activity) . "' ";
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$uuid = new_uuid();
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$arr = [];
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$arr['uuid'] = $uuid;
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$arr['mid'] = z_root() . (($is_rsvp) ? '/activity/' : '/item/' ) . $uuid;
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$post_type = (($item['resource_type'] === 'photo') ? t('photo') : t('status'));
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if ($item['obj_type'] === ACTIVITY_OBJ_EVENT) {
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$post_type = t('event');
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}
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$objtype = $item['obj_type'];
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$body = $item['body'];
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$object = json_encode(Activity::fetch_item( [ 'id' => $item['mid'] ]));
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if (! intval($item['item_thread_top'])) {
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$post_type = 'comment';
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}
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$arr['item_origin'] = 1;
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$arr['item_notshown'] = 1;
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$arr['item_type'] = $item['item_type'];
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if (intval($item['item_wall'])) {
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$arr['item_wall'] = 1;
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}
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// if this was a linked photo and was hidden, unhide it and distribute it.
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if (intval($item['item_hidden'])) {
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$r = q("update item set item_hidden = 0 where id = %d",
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intval($item['id'])
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);
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$r = q("select * from item where id = %d",
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intval($item['id'])
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);
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if ($r) {
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xchan_query($r);
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$sync_item = fetch_post_tags($r);
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Libsync::build_sync_packet($channel['channel_id'], [ 'item' => [ encode_item($sync_item[0],true) ] ]);
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}
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Run::Summon( [ 'Notifier','wall-new',$item['id'] ] );
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}
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if ($activity === 'Like') {
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$bodyverb = t('%1$s likes %2$s\'s %3$s');
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}
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if ($activity === 'Dislike') {
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$bodyverb = t('%1$s doesn\'t like %2$s\'s %3$s');
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}
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if ($activity === 'Accept') {
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$bodyverb = t('%1$s is attending %2$s\'s %3$s');
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}
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if ($activity === 'Reject') {
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$bodyverb = t('%1$s is not attending %2$s\'s %3$s');
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}
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if ($activity === 'tentativeAccept') {
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$bodyverb = t('%1$s may attend %2$s\'s %3$s');
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}
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if (! isset($bodyverb)) {
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killme();
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}
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if (local_channel() && $activity === 'Accept') {
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event_addtocal($item['id'],$channel['channel_id']);
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}
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$arr['parent'] = $item['id'];
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$arr['thr_parent'] = $item['mid'];
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$ulink = '[zrl=' . $item_author['xchan_url'] . ']' . $item_author['xchan_name'] . '[/zrl]';
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$alink = '[zrl=' . $observer['xchan_url'] . ']' . $observer['xchan_name'] . '[/zrl]';
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$plink = '[zrl=' . z_root() . '/display/' . gen_link_id($item['mid']) . ']' . $post_type . '[/zrl]';
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$allow_cid = $item['allow_cid'];
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$allow_gid = $item['allow_gid'];
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$deny_cid = $item['deny_cid'];
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$deny_gid = $item['deny_gid'];
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$private = $item['private'];
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$arr['aid'] = $owner_aid;
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$arr['uid'] = $owner_uid;
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$arr['item_flags'] = $item['item_flags'];
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$arr['item_wall'] = $item['item_wall'];
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$arr['parent_mid'] = $item['mid'];
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$arr['owner_xchan'] = $thread_owner['xchan_hash'];
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$arr['author_xchan'] = $observer['xchan_hash'];
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$arr['body'] = sprintf( $bodyverb, $alink, $ulink, $plink );
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$arr['verb'] = (($undo) ? 'Undo' : $activity);
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$arr['obj_type'] = (($undo) ? $activity : $objtype);
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$arr['obj'] = $object;
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if ($target) {
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$arr['tgt_type'] = $tgttype;
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$arr['target'] = $target;
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}
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$arr['allow_cid'] = $allow_cid;
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$arr['allow_gid'] = $allow_gid;
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$arr['deny_cid'] = $deny_cid;
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$arr['deny_gid'] = $deny_gid;
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$arr['item_private'] = $private;
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call_hooks('post_local',$arr);
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$post = item_store($arr);
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$post_id = $post['item_id'];
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// save the conversation from expiration
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if (local_channel() && array_key_exists('item',$post) && (intval($post['item']['id']) != intval($post['item']['parent']))) {
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retain_item($post['item']['parent']);
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}
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$arr['id'] = $post_id;
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call_hooks('post_local_end', $arr);
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$r = q("select * from item where id = %d",
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intval($post_id)
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);
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if ($r) {
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xchan_query($r);
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$sync_item = fetch_post_tags($r);
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Libsync::build_sync_packet($channel['channel_id'], [ 'item' => [ encode_item($sync_item[0],true) ] ]);
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}
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Run::Summon( [ 'Notifier', 'like', $post_id ] );
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killme();
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}
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}
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