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313 lines
9.6 KiB
PHP
313 lines
9.6 KiB
PHP
<?php
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namespace Code\Module;
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use App;
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use Code\Lib\Libsync;
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use Code\Lib\Activity;
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use Code\Web\Controller;
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use Code\Daemon\Run;
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use Code\Lib\Channel;
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use Code\Extend\Hook;
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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 Plike extends Controller
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{
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private function reaction_to_activity($reaction)
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{
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$undo = false;
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$acts = [
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'like' => 'Like',
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'dislike' => 'Dislike',
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];
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// unlike (etc.) reactions are an undo of positive reactions, rather than a negative action.
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// The activity is the same in undo actions and will have the same activity mapping
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if (substr($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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{
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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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$sys_channel = Channel::get_system();
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$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 (argc() == 3) {
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if (! $observer) {
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killme();
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}
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if ($obj_type == 'profile') {
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$r = q(
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"select * from profile where profile_guid = '%s' limit 1",
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dbesc($obj_id)
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);
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if (! $r) {
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killme();
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}
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$profile = array_shift($r);
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$owner_uid = $profile['uid'];
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$public = ((intval($profile['is_default'])) ? true : false);
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// if this is a private profile, select the destination recipients
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if (! $public) {
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$d = q(
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"select abook_xchan from abook where abook_profile = '%s' and abook_channel = %d",
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dbesc($profile['profile_guid']),
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intval($owner_uid)
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);
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if (! $d) {
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// No profile could be found.
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killme();
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}
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// $d now contains a list of those who can see this profile.
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// Set the access accordingly.
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foreach ($d as $dd) {
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$allow_cid .= '<' . $dd['abook_xchan'] . '>';
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}
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}
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$post_type = t('channel');
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$objtype = ACTIVITY_OBJ_PROFILE;
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}
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// We'll need the owner of the thing from up above to figure out what channel is the target
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if (! ($owner_uid)) {
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killme();
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}
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// Check permissions of the observer. If this is the owner (mostly this is the case)
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// this will return true for all permissions.
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$perms = get_all_perms($owner_uid, $observer['xchan_hash']);
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if (! ($perms['post_like'] && $perms['view_profile'])) {
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killme();
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}
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$channel = Channel::from_id($owner_uid);
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if (! $channel) {
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killme();
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}
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$object = json_encode(Activity::fetch_profile([ 'id' => Channel::url($channel) ]));
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// second like of the same thing is "undo" for the first like
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$z = q(
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"select * from likes where channel_id = %d and liker = '%s' and verb = '%s' and target_type = '%s' and target_id = '%s' limit 1",
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intval($channel['channel_id']),
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dbesc($observer['xchan_hash']),
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dbesc($activity),
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dbesc(($tgttype) ? $tgttype : $objtype),
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dbesc($obj_id)
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);
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if ($z) {
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$z[0]['deleted'] = 1;
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Libsync::build_sync_packet($channel['channel_id'], array('likes' => $z));
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q(
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"delete from likes where id = %d",
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intval($z[0]['id'])
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);
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if ($z[0]['i_mid']) {
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$r = q(
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"select id from item where mid = '%s' and uid = %d limit 1",
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dbesc($z[0]['i_mid']),
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intval($channel['channel_id'])
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);
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if ($r) {
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drop_item($r[0]['id']);
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}
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}
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killme();
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}
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}
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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/' ) . $uuid;
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$arr['item_thread_top'] = 1;
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$arr['item_origin'] = 1;
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$arr['item_wall'] = 1;
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if ($verb === 'like') {
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$bodyverb = t('%1$s likes %2$s\'s %3$s');
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}
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if ($verb === '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 (! isset($bodyverb)) {
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killme();
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}
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$ulink = '[zrl=' . $channel['xchan_url'] . ']' . $channel['xchan_name'] . '[/zrl]';
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$alink = '[zrl=' . $observer['xchan_url'] . ']' . $observer['xchan_name'] . '[/zrl]';
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$plink = '[zrl=' . z_root() . '/profile/' . $channel['channel_address'] . ']' . $post_type . '[/zrl]';
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$private = (($public) ? 0 : 1);
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$arr['aid'] = $channel['channel_account_id'];
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$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'] = $arr['mid'];
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$arr['owner_xchan'] = $channel['xchan_hash'];
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$arr['author_xchan'] = $observer['xchan_hash'];
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$arr['body'] = sprintf($bodyverb, $alink, $ulink, $plink);
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if ($obj_type === 'profile') {
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if ($public) {
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$arr['body'] .= "\n\n" . '[embed]' . z_root() . '/profile/' . $channel['channel_address'] . '[/embed]';
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} else {
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$arr['body'] .= "\n\n[zmg=80x80]" . $profile['thumb'] . '[/zmg]';
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}
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}
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$arr['verb'] = $activity;
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$arr['obj_type'] = $objtype;
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$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'] = $private;
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$arr['target'] = [
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'id' => str_replace('/item/', '/conversation/', $arr['parent_mid']),
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'type' => 'Collection',
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'attributedTo' => z_root() . '/channel/' . $channel['channel_address'],
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];
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$arr['tgt_type'] = 'Collection';
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Hook::call('post_local', $arr);
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$post = item_store($arr);
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$post_id = $post['item_id'];
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$approval_id = $post['approval_id'] ?? 0;
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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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Hook::call('post_local_end', $arr);
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$r = q(
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"insert into likes (channel_id,liker,likee,iid,i_mid,verb,target_type,target_id,target) values (%d,'%s','%s',%d,'%s','%s','%s','%s','%s')",
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intval($channel['channel_id']),
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dbesc($observer['xchan_hash']),
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dbesc($channel['channel_hash']),
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intval($post_id),
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dbesc($mid),
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dbesc($activity),
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dbesc(($tgttype) ? $tgttype : $objtype),
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dbesc($obj_id),
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dbesc(($target) ? $target : $object)
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);
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$r = q(
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"select * from likes where liker = '%s' and likee = '%s' and i_mid = '%s' and verb = '%s' and target_type = '%s' and target_id = '%s' ",
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dbesc($observer['xchan_hash']),
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dbesc($channel['channel_hash']),
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dbesc($mid),
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dbesc($activity),
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dbesc(($tgttype) ? $tgttype : $objtype),
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dbesc($obj_id)
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);
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if ($r) {
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Libsync::build_sync_packet($channel['channel_id'], array('likes' => $r));
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}
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Run::Summon([ 'Notifier', 'like', $post_id ]);
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if ($approval_id) {
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Run::Summon(['Notifier', 'like', $approval_id]);
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}
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killme();
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}
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}
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