[CORE] Add new Notice scope for private messaging

Notice:
- Add MESSAGE_SCOPE scope

lib/*.stream:
- Filter out notices with MESSAGE_SCOPE scope

classes/Notice.php

@@ -93,7 +93,7 @@ class Notice extends Managed_DataObject
                 'object_type' => array('type' => 'varchar', 'length' => 191, 'description' => 'URI representing activity streams object type', 'default' => null),
                 'verb' => array('type' => 'varchar', 'length' => 191, 'description' => 'URI representing activity streams verb', 'default' => 'http://activitystrea.ms/schema/1.0/post'),
                 'scope' => array('type' => 'int',
-                                 'description' => 'bit map for distribution scope; 0 = everywhere; 1 = this server only; 2 = addressees; 4 = followers; null = default'),
+                                 'description' => 'bit map for distribution scope; 0 = everywhere; 1 = this server only; 2 = addressees; 4 = groups; 8 = followers; 16 = messages; null = default'),
             ),
             'primary key' => array('id'),
             'unique keys' => array(
@@ -136,6 +136,7 @@ class Notice extends Managed_DataObject
     const ADDRESSEE_SCOPE = 2;
     const GROUP_SCOPE     = 4;
     const FOLLOWER_SCOPE  = 8;
+    const MESSAGE_SCOPE   = 16;
 
     protected $_profile = array();
 

lib/inboxnoticestream.php

@@ -127,6 +127,8 @@ class RawInboxNoticeStream extends FullNoticeStream
             $notice->whereAdd(sprintf('notice.id <= %d', $max_id));
         }
 
+        $notice->whereAdd('scope != ' . Notice::MESSAGE_SCOPE);
+
         self::filterVerbs($notice, $this->selectVerbs);
 
         $notice->limit($offset, $limit);

lib/networkpublicnoticestream.php

@@ -42,6 +42,7 @@ class RawNetworkPublicNoticeStream extends FullNoticeStream
         // -1 == blacklisted, -2 == gateway (i.e. Twitter)
         $notice->whereAdd('is_local !='. Notice::LOCAL_NONPUBLIC);
         $notice->whereAdd('is_local !='. Notice::GATEWAY);
+        $notice->whereAdd('scope != ' . Notice::MESSAGE_SCOPE);
 
         Notice::addWhereSinceId($notice, $since_id);
         Notice::addWhereMaxId($notice, $max_id);

lib/profilenoticestream.php

@@ -127,6 +127,8 @@ class RawProfileNoticeStream extends NoticeStream
         $notice->selectAdd();
         $notice->selectAdd('id');
 
+        $notice->whereAdd('scope != ' . Notice::MESSAGE_SCOPE);
+
         Notice::addWhereSinceId($notice, $since_id);
         Notice::addWhereMaxId($notice, $max_id);
 

lib/publicnoticestream.php

@@ -79,6 +79,7 @@ class RawPublicNoticeStream extends FullNoticeStream
 
         // This feed always gives only local activities.
         $notice->whereAdd('is_local = ' . Notice::LOCAL_PUBLIC);
+        $notice->whereAdd('scope != ' . Notice::MESSAGE_SCOPE);
 
         Notice::addWhereSinceId($notice, $since_id);
         Notice::addWhereMaxId($notice, $max_id);

lib/replynoticestream.php

@@ -101,6 +101,8 @@ class RawReplyNoticeStream extends NoticeStream
             }
         }
 
+        $reply->whereAdd('notice.scope != ' . NOTICE::MESSAGE_SCOPE);
+
         $reply->orderBy('reply.modified DESC, reply.notice_id DESC');
 
         if (!is_null($offset)) {