<?php
namespace Zotlabs\Module;
require_once('include/security.php');
require_once('include/bbcode.php');
require_once('include/items.php');
class Like extends \Zotlabs\Web\Controller {
function get() {
$o = '';
$sys_channel = get_sys_channel();
$sys_channel_id = (($sys_channel) ? $sys_channel['channel_id'] : 0);
$observer = \App::get_observer();
$interactive = $_REQUEST['interactive'];
if($interactive) {
$o .= '<h1>' . t('Like/Dislike') . '</h1>';
$o .= EOL . EOL;
if(! $observer) {
$_SESSION['return_url'] = \App::$query_string;
$o .= t('This action is restricted to members.') . EOL;
$o .= t('Please <a href="rmagic">login with your $Projectname ID</a> or <a href="register">register as a new $Projectname member</a> to continue.') . EOL;
return $o;
}
}
$verb = notags(trim($_GET['verb']));
if(! $verb)
$verb = 'like';
switch($verb) {
case 'like':
case 'unlike':
$activity = ACTIVITY_LIKE;
break;
case 'dislike':
case 'undislike':
$activity = ACTIVITY_DISLIKE;
break;
case 'agree':
case 'unagree':
$activity = ACTIVITY_AGREE;
break;
case 'disagree':
case 'undisagree':
$activity = ACTIVITY_DISAGREE;
break;
case 'abstain':
case 'unabstain':
$activity = ACTIVITY_ABSTAIN;
break;
case 'attendyes':
case 'unattendyes':
$activity = ACTIVITY_ATTEND;
break;
case 'attendno':
case 'unattendno':
$activity = ACTIVITY_ATTENDNO;
break;
case 'attendmaybe':
case 'unattendmaybe':
$activity = ACTIVITY_ATTENDMAYBE;
break;
default:
return;
break;
}
$extended_like = false;
$object = $target = null;
$post_type = '';
$objtype = '';
if(argc() == 3) {
if(! $observer)
killme();
$extended_like = true;
$obj_type = argv(1);
$obj_id = argv(2);
$public = true;
if($obj_type == 'profile') {
$r = q("select * from profile where profile_guid = '%s' limit 1",
dbesc(argv(2))
);
if(! $r)
killme();
$owner_uid = $r[0]['uid'];
if($r[0]['is_default'])
$public = true;
if(! $public) {
$d = q("select abook_xchan from abook where abook_profile = '%s' and abook_channel = %d",
dbesc($r[0]['profile_guid']),
intval($owner_uid)
);
if(! $d) {
// forgery - illegal
if($interactive) {
notice( t('Invalid request.') . EOL);
return $o;
}
killme();
}
// $d now contains a list of those who can see this profile - only send the status notification
// to them.
$allow_cid = $allow_gid = $deny_cid = $deny_gid = '';
foreach($d as $dd) {
$allow_cid .= '<' . $dd['abook_xchan'] . '>';
}
}
$post_type = t('channel');
$objtype = ACTIVITY_OBJ_PROFILE;
$profile = $r[0];
}
elseif($obj_type == 'thing') {
$r = q("select * from obj where obj_type = %d and obj_obj = '%s' limit 1",
intval(TERM_OBJ_THING),
dbesc(argv(2))
);
if(! $r) {
if($interactive) {
notice( t('Invalid request.') . EOL);
return $o;
}
killme();
}
$owner_uid = $r[0]['obj_channel'];
$allow_cid = $r[0]['allow_cid'];
$allow_gid = $r[0]['allow_gid'];
$deny_cid = $r[0]['deny_cid'];
$deny_gid = $r[0]['deny_gid'];
if($allow_cid || $allow_gid || $deny_cid || $deny_gid)
$public = false;
$post_type = t('thing');
$objtype = ACTIVITY_OBJ_PROFILE;
$tgttype = ACTIVITY_OBJ_THING;
$links = array();
$links[] = array('rel' => 'alternate', 'type' => 'text/html',
'href' => z_root() . '/thing/' . $r[0]['obj_obj']);
if($r[0]['imgurl'])
$links[] = array('rel' => 'photo', 'href' => $r[0]['obj_imgurl']);
$target = json_encode(array(
'type' => $tgttype,
'title' => $r[0]['obj_term'],
'id' => z_root() . '/thing/' . $r[0]['obj_obj'],
'link' => $links
));
$plink = '[zrl=' . z_root() . '/thing/' . $r[0]['obj_obj'] . ']' . $r[0]['obj_term'] . '[/zrl]';
}
if(! ($owner_uid && $r)) {
if($interactive) {
notice( t('Invalid request.') . EOL);
return $o;
}
killme();
}
// The resultant activity is going to be a wall-to-wall post, so make sure this is allowed
$perms = get_all_perms($owner_uid,$observer['xchan_hash']);
if(! ($perms['post_like'] && $perms['view_profile'])) {
if($interactive) {
notice( t('Permission denied.') . EOL);
return $o;
}
killme();
}
$ch = q("select * from channel left join xchan on channel_hash = xchan_hash where channel_id = %d limit 1",
intval($owner_uid)
);
if(! $ch) {
if($interactive) {
notice( t('Channel unavailable.') . EOL);
return $o;
}
killme();
}
if(! $plink)
$plink = '[zrl=' . z_root() . '/profile/' . $ch[0]['channel_address'] . ']' . $post_type . '[/zrl]';
$links = array();
$links[] = array('rel' => 'alternate', 'type' => 'text/html',
'href' => z_root() . '/profile/' . $ch[0]['channel_address']);
$links[] = array('rel' => 'photo', 'type' => $ch[0]['xchan_photo_mimetype'],
'href' => $ch[0]['xchan_photo_l']);
$object = json_encode(array(
'type' => ACTIVITY_OBJ_PROFILE,
'title' => $ch[0]['channel_name'],
'id' => $ch[0]['xchan_url'] . '/' . $ch[0]['xchan_hash'],
'link' => $links
));
// second like of the same thing is "undo" for the first like
$z = q("select * from likes where channel_id = %d and liker = '%s' and verb = '%s' and target_type = '%s' and target_id = '%s' limit 1",
intval($ch[0]['channel_id']),
dbesc($observer['xchan_hash']),
dbesc($activity),
dbesc(($tgttype)?$tgttype:$objtype),
dbesc($obj_id)
);
if($z) {
$z[0]['deleted'] = 1;
build_sync_packet($ch[0]['channel_id'],array('likes' => $z));
q("delete from likes where id = %d",
intval($z[0]['id'])
);
if($z[0]['i_mid']) {
$r = q("select id from item where mid = '%s' and uid = %d limit 1",
dbesc($z[0]['i_mid']),
intval($ch[0]['channel_id'])
);
if($r)
drop_item($r[0]['id'],false);
if($interactive) {
notice( t('Previous action reversed.') . EOL);
return $o;
}
}
killme();
}
}
else {
// this is used to like an item or comment
$item_id = ((argc() == 2) ? notags(trim(argv(1))) : 0);
logger('like: verb ' . $verb . ' item ' . $item_id, LOGGER_DEBUG);
// get the item. Allow linked photos (which are normally hidden) to be liked
$r = q("SELECT * FROM item WHERE id = %d
and (item_type in (0,6,7) and item_deleted = 0 and item_unpublished = 0
and item_delayed = 0 and item_pending_remove = 0 and item_blocked = 0 LIMIT 1",
intval($item_id)
);
// if interacting with a pubstream item,
// create a copy of the parent in your stream. If not the conversation
// parent, copy that as well.
if($r) {
if($r[0]['uid'] === $sys_channel['channel_id'] && local_channel()) {
$r = [ copy_of_pubitem(\App::get_channel(), $r[0]['mid']) ];
}
}
if(! $item_id || (! $r)) {
logger('like: no item ' . $item_id);
killme();
}
xchan_query($r,true);
$item = $r[0];
$owner_uid = $r[0]['uid'];
$owner_aid = $r[0]['aid'];
$can_comment = false;
if((array_key_exists('owner',$item)) && intval($item['owner']['abook_self']))
$can_comment = perm_is_allowed($item['uid'],$observer['xchan_hash'],'post_comments');
else
$can_comment = can_comment_on_post($observer['xchan_hash'],$item);
if(! $can_comment) {
notice( t('Permission denied') . EOL);
killme();
}
$r = q("select * from xchan where xchan_hash = '%s' limit 1",
dbesc($item['owner_xchan'])
);
if($r)
$thread_owner = $r[0];
else
killme();
$r = q("select * from xchan where xchan_hash = '%s' limit 1",
dbesc($item['author_xchan'])
);
if($r)
$item_author = $r[0];
else
killme();
$verbs = " '".dbesc($activity)."' ";
$multi_undo = false;
// event participation and consensus items are essentially radio toggles. If you make a subsequent choice,
// we need to eradicate your first choice.
if($activity === ACTIVITY_ATTEND || $activity === ACTIVITY_ATTENDNO || $activity === ACTIVITY_ATTENDMAYBE) {
$verbs = " '" . dbesc(ACTIVITY_ATTEND) . "','" . dbesc(ACTIVITY_ATTENDNO) . "','" . dbesc(ACTIVITY_ATTENDMAYBE) . "' ";
$multi_undo = 1;
}
if($activity === ACTIVITY_AGREE || $activity === ACTIVITY_DISAGREE || $activity === ACTIVITY_ABSTAIN) {
$verbs = " '" . dbesc(ACTIVITY_AGREE) . "','" . dbesc(ACTIVITY_DISAGREE) . "','" . dbesc(ACTIVITY_ABSTAIN) . "' ";
$multi_undo = true;
}
$item_normal = item_normal();
$r = q("SELECT id, parent, uid, verb FROM item WHERE verb in ( $verbs ) $item_normal
AND author_xchan = '%s' AND thr_parent = '%s' and uid = %d ",
dbesc($observer['xchan_hash']),
dbesc($item['mid']),
intval($owner_uid)
);
if($r) {
// already liked it. Drop that item.
require_once('include/items.php');
foreach($r as $rr) {
drop_item($rr['id'],false,DROPITEM_PHASE1);
// set the changed timestamp on the parent so we'll see the update without a page reload
$z = q("update item set changed = '%s' where id = %d and uid = %d",
dbesc(datetime_convert()),
intval($rr['parent']),
intval($rr['uid'])
);
// Prior activity was a duplicate of the one we're submitting, just undo it;
// don't fall through and create another
if(activity_match($rr['verb'],$activity))
$multi_undo = false;
// drop_item was not done interactively, so we need to invoke the notifier
// in order to push the changes to connections
\Zotlabs\Daemon\Master::Summon(array('Notifier','drop',$rr['id']));
}
if($interactive)
return;
if(! $multi_undo)
killme();
}
}
$mid = item_message_id();
$arr = array();
if($extended_like) {
$arr['item_thread_top'] = 1;
$arr['item_origin'] = 1;
$arr['item_wall'] = 1;
}
else {
$post_type = (($item['resource_type'] === 'photo') ? t('photo') : t('status'));
if($item['obj_type'] === ACTIVITY_OBJ_EVENT)
$post_type = t('event');
$links = array(array('rel' => 'alternate','type' => 'text/html', 'href' => $item['plink']));
$objtype = (($item['resource_type'] === 'photo') ? ACTIVITY_OBJ_PHOTO : ACTIVITY_OBJ_NOTE );
if($objtype === ACTIVITY_OBJ_NOTE && (! intval($item['item_thread_top'])))
$objtype = ACTIVITY_OBJ_COMMENT;
$body = $item['body'];
$object = json_encode(array(
'type' => $objtype,
'id' => $item['mid'],
'parent' => (($item['thr_parent']) ? $item['thr_parent'] : $item['parent_mid']),
'link' => $links,
'title' => $item['title'],
'content' => $item['body'],
'created' => $item['created'],
'edited' => $item['edited'],
'author' => array(
'name' => $item_author['xchan_name'],
'address' => $item_author['xchan_addr'],
'guid' => $item_author['xchan_guid'],
'guid_sig' => $item_author['xchan_guid_sig'],
'link' => array(
array('rel' => 'alternate', 'type' => 'text/html', 'href' => $item_author['xchan_url']),
array('rel' => 'photo', 'type' => $item_author['xchan_photo_mimetype'], 'href' => $item_author['xchan_photo_m'])),
),
));
if(! intval($item['item_thread_top']))
$post_type = 'comment';
$arr['item_origin'] = 1;
$arr['item_notshown'] = 1;
if(intval($item['item_wall']))
$arr['item_wall'] = 1;
// if this was a linked photo and was hidden, unhide it.
if(intval($item['item_hidden'])) {
$r = q("update item set item_hidden = 0 where id = %d",
intval($item['id'])
);
}
}
if($verb === 'like')
$bodyverb = t('%1$s likes %2$s\'s %3$s');
if($verb === 'dislike')
$bodyverb = t('%1$s doesn\'t like %2$s\'s %3$s');
if($verb === 'agree')
$bodyverb = t('%1$s agrees with %2$s\'s %3$s');
if($verb === 'disagree')
$bodyverb = t('%1$s doesn\'t agree with %2$s\'s %3$s');
if($verb === 'abstain')
$bodyverb = t('%1$s abstains from a decision on %2$s\'s %3$s');
if($verb === 'attendyes')
$bodyverb = t('%1$s is attending %2$s\'s %3$s');
if($verb === 'attendno')
$bodyverb = t('%1$s is not attending %2$s\'s %3$s');
if($verb === 'attendmaybe')
$bodyverb = t('%1$s may attend %2$s\'s %3$s');
if(! isset($bodyverb))
killme();
if($extended_like) {
$ulink = '[zrl=' . $ch[0]['xchan_url'] . ']' . $ch[0]['xchan_name'] . '[/zrl]';
$alink = '[zrl=' . $observer['xchan_url'] . ']' . $observer['xchan_name'] . '[/zrl]';
$private = (($public) ? 0 : 1);
}
else {
$arr['parent'] = $item['id'];
$arr['thr_parent'] = $item['mid'];
$ulink = '[zrl=' . $item_author['xchan_url'] . ']' . $item_author['xchan_name'] . '[/zrl]';
$alink = '[zrl=' . $observer['xchan_url'] . ']' . $observer['xchan_name'] . '[/zrl]';
$plink = '[zrl=' . z_root() . '/display/' . gen_link_id($item['mid']) . ']' . $post_type . '[/zrl]';
$allow_cid = $item['allow_cid'];
$allow_gid = $item['allow_gid'];
$deny_cid = $item['deny_cid'];
$deny_gid = $item['deny_gid'];
$private = $item['private'];
}
$arr['mid'] = $mid;
$arr['aid'] = (($extended_like) ? $ch[0]['channel_account_id'] : $owner_aid);
$arr['uid'] = $owner_uid;
$arr['item_flags'] = $item_flags;
$arr['item_wall'] = $item_wall;
$arr['parent_mid'] = (($extended_like) ? $mid : $item['mid']);
$arr['owner_xchan'] = (($extended_like) ? $ch[0]['xchan_hash'] : $thread_owner['xchan_hash']);
$arr['author_xchan'] = $observer['xchan_hash'];
$arr['body'] = sprintf( $bodyverb, $alink, $ulink, $plink );
if($obj_type === 'thing' && $r[0]['imgurl']) {
$arr['body'] .= "\n\n[zmg=80x80]" . $r[0]['imgurl'] . '[/zmg]';
}
if($obj_type === 'profile') {
if($public) {
$arr['body'] .= "\n\n" . '[embed]' . z_root() . '/profile/' . $ch[0]['channel_address'] . '[/embed]';
}
else
$arr['body'] .= "\n\n[zmg=80x80]" . $profile['thumb'] . '[/zmg]';
}
$arr['verb'] = $activity;
$arr['obj_type'] = $objtype;
$arr['obj'] = $object;
if($target) {
$arr['tgt_type'] = $tgttype;
$arr['target'] = $target;
}
$arr['allow_cid'] = $allow_cid;
$arr['allow_gid'] = $allow_gid;
$arr['deny_cid'] = $deny_cid;
$arr['deny_gid'] = $deny_gid;
$arr['item_private'] = $private;
call_hooks('post_local',$arr);
$post = item_store($arr);
$post_id = $post['item_id'];
// save the conversation from expiration
if(local_channel() && array_key_exists('item',$post) && (intval($post['item']['id']) != intval($post['item']['parent'])))
retain_item($post['item']['parent']);
$arr['id'] = $post_id;
call_hooks('post_local_end', $arr);
if($extended_like) {
$r = q("insert into likes (channel_id,liker,likee,iid,i_mid,verb,target_type,target_id,target) values (%d,'%s','%s',%d,'%s','%s','%s','%s','%s')",
intval($ch[0]['channel_id']),
dbesc($observer['xchan_hash']),
dbesc($ch[0]['channel_hash']),
intval($post_id),
dbesc($mid),
dbesc($activity),
dbesc(($tgttype)? $tgttype : $objtype),
dbesc($obj_id),
dbesc(($target) ? $target : $object)
);
$r = q("select * from likes where liker = '%s' and likee = '%s' and i_mid = '%s' and verb = '%s' and target_type = '%s' and target_id = '%s' ",
dbesc($observer['xchan_hash']),
dbesc($ch[0]['channel_hash']),
dbesc($mid),
dbesc($activity),
dbesc(($tgttype)? $tgttype : $objtype),
dbesc($obj_id)
);
if($r)
build_sync_packet($ch[0]['channel_id'],array('likes' => $r));
}
\Zotlabs\Daemon\Master::Summon(array('Notifier','like',$post_id));
if($interactive) {
notice( t('Action completed.') . EOL);
$o .= t('Thank you.');
return $o;
}
killme();
}
}
