Merge branch 'dev' into toggle-context-help

1 files changed, 547 insertions, 0 deletions

diff --git a/Zotlabs/Module/Like.php b/Zotlabs/Module/Like.php
new file mode 100644
index 000000000..ac8791950
--- /dev/null
+++ b/Zotlabs/Module/Like.php
@@ -0,0 +1,547 @@
+<?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 = '';
+	
+		$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' => $z));
+	
+				q("delete from likes where id = %d limit 1",
+					intval($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
+	
+			$r = q("SELECT * FROM item WHERE id = %d 
+				and item_type = 0 and item_deleted = 0 and item_unpublished = 0 
+				and item_delayed = 0 and item_pending_remove = 0 and item_blocked = 0 LIMIT 1",
+				intval($item_id)
+			);
+	
+			if(! $item_id || (! $r)) {
+				logger('like: no item ' . $item_id);
+				killme();
+			}
+	
+	
+			$item = $r[0];
+			$owner_uid = $item['uid'];
+			$owner_aid = $item['aid'];
+	
+	
+			$sys = get_sys_channel();
+	
+	
+			// if this is a "discover" item, (item['uid'] is the sys channel),
+			// fallback to the item comment policy, which should've been
+			// respected when generating the conversation thread.
+			// Even if the activity is rejected by the item owner, it should still get attached
+			// to the local discover conversation on this site. 
+	
+			if(($owner_uid != $sys['channel_id']) && (! perm_is_allowed($owner_uid,$observer['xchan_hash'],'post_comments'))) {
+				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))
+						$multi_undo = false;
+	
+					// drop_item was not done interactively, so we need to invoke the notifier
+					// in order to push the changes to connections
+	
+					proc_run('php','include/notifier.php','drop',$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 ); 
+	
+			$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/' . $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['object']        = $object;
+	
+		if($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;
+	
+	
+		$post = item_store($arr);	
+		$post_id = $post['item_id'];
+	
+		$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' => $r));	
+	
+		}
+	
+	
+		proc_run('php',"include/notifier.php","like","$post_id");
+	
+		if($interactive) {
+			notice( t('Action completed.') . EOL);
+			$o .= t('Thank you.');
+			return $o;
+		}
+	
+		killme();
+	}
+	
+	
+	
+}