]> git.mxchange.org Git - quix0rs-gnu-social.git/blobdiff - classes/Notice.php
Use recently implemented functions in saveKnownReplies
[quix0rs-gnu-social.git] / classes / Notice.php
index 541a72fb09ddecbaab1d1f66dfa1f184e1e52798..b359139abcad270e404554adf014f10752a6b24d 100644 (file)
@@ -65,10 +65,6 @@ class Notice extends Managed_DataObject
     public $is_local;                        // int(4)
     public $source;                          // varchar(32)
     public $conversation;                    // int(4)
-    public $lat;                             // decimal(10,7)
-    public $lon;                             // decimal(10,7)
-    public $location_id;                     // int(4)
-    public $location_ns;                     // int(4)
     public $repeat_of;                       // int(4)
     public $verb;                            // varchar(191)   not 255 because utf8mb4 takes more space
     public $object_type;                     // varchar(191)   not 255 because utf8mb4 takes more space
@@ -84,7 +80,7 @@ class Notice extends Managed_DataObject
                 'id' => array('type' => 'serial', 'not null' => true, 'description' => 'unique identifier'),
                 'profile_id' => array('type' => 'int', 'not null' => true, 'description' => 'who made the update'),
                 'uri' => array('type' => 'varchar', 'length' => 191, 'description' => 'universally unique identifier, usually a tag URI'),
-                'content' => array('type' => 'text', 'description' => 'update content', 'collate' => 'utf8_general_ci'),
+                'content' => array('type' => 'text', 'description' => 'update content', 'collate' => 'utf8mb4_general_ci'),
                 'rendered' => array('type' => 'text', 'description' => 'HTML version of the content'),
                 'url' => array('type' => 'varchar', 'length' => 191, 'description' => 'URL of any attachment (image, video, bookmark, whatever)'),
                 'created' => array('type' => 'datetime', 'not null' => true, 'description' => 'date this record was created'),
@@ -93,10 +89,6 @@ class Notice extends Managed_DataObject
                 'is_local' => array('type' => 'int', 'size' => 'tiny', 'default' => 0, 'description' => 'notice was generated by a user'),
                 'source' => array('type' => 'varchar', 'length' => 32, 'description' => 'source of comment, like "web", "im", or "clientname"'),
                 'conversation' => array('type' => 'int', 'description' => 'id of root notice in this conversation'),
-                'lat' => array('type' => 'numeric', 'precision' => 10, 'scale' => 7, 'description' => 'latitude'),
-                'lon' => array('type' => 'numeric', 'precision' => 10, 'scale' => 7, 'description' => 'longitude'),
-                'location_id' => array('type' => 'int', 'description' => 'location id if possible'),
-                'location_ns' => array('type' => 'int', 'description' => 'namespace for location'),
                 'repeat_of' => array('type' => 'int', 'description' => 'notice this is a repeat of'),
                 'object_type' => array('type' => 'varchar', 'length' => 191, 'description' => 'URI representing activity streams object type', 'default' => 'http://activitystrea.ms/schema/1.0/note'),
                 'verb' => array('type' => 'varchar', 'length' => 191, 'description' => 'URI representing activity streams verb', 'default' => 'http://activitystrea.ms/schema/1.0/post'),
@@ -166,45 +158,36 @@ class Notice extends Managed_DataObject
         $this->_profile[$this->profile_id] = $profile;
     }
 
-    function delete($useWhere=false)
+    public function deleteAs(Profile $actor, $delete_event=true)
     {
-        // For auditing purposes, save a record that the notice
-        // was deleted.
-
-        // @fixme we have some cases where things get re-run and so the
-        // insert fails.
-        $deleted = Deleted_notice::getKV('id', $this->id);
-
-        if (!$deleted instanceof Deleted_notice) {
-            $deleted = Deleted_notice::getKV('uri', $this->uri);
-        }
-
-        if (!$deleted instanceof Deleted_notice) {
-            $deleted = new Deleted_notice();
-
-            $deleted->id         = $this->id;
-            $deleted->profile_id = $this->profile_id;
-            $deleted->uri        = $this->uri;
-            $deleted->created    = $this->created;
-            $deleted->deleted    = common_sql_now();
-
-            $deleted->insert();
+        if (!$this->getProfile()->sameAs($actor) && !$actor->hasRight(Right::DELETEOTHERSNOTICE)) {
+            throw new AuthorizationException(_('You are not allowed to delete another user\'s notice.'));
         }
 
         if (Event::handle('NoticeDeleteRelated', array($this))) {
-
             // Clear related records
-
             $this->clearReplies();
+            $this->clearLocation();
             $this->clearRepeats();
             $this->clearTags();
             $this->clearGroupInboxes();
             $this->clearFiles();
             $this->clearAttentions();
-
             // NOTE: we don't clear queue items
         }
 
+        $result = null;
+        if (!$delete_event || Event::handle('DeleteNoticeAsProfile', array($this, $actor, &$result))) {
+            // If $delete_event is true, we run the event. If the Event then 
+            // returns false it is assumed everything was handled properly 
+            // and the notice was deleted.
+            $result = $this->delete();
+        }
+        return $result;
+    }
+
+    public function delete($useWhere=false)
+    {
         $result = parent::delete($useWhere);
 
         $this->blowOnDelete();
@@ -274,6 +257,11 @@ class Notice extends Managed_DataObject
         return $this->content;
     }
 
+    public function getRendered()
+    {
+        return $this->rendered;
+    }
+
     /*
      * Get the original representation URL of this notice.
      *
@@ -297,10 +285,8 @@ class Notice extends Managed_DataObject
         }
     }
 
-    public function get_object_type($canonical=false) {
-        return $canonical
-                ? ActivityObject::canonicalType($this->object_type)
-                : $this->object_type;
+    public function getObjectType($canonical=false) {
+        return ActivityUtils::resolveUri($this->object_type, $canonical);
     }
 
     public static function getByUri($uri)
@@ -313,16 +299,6 @@ class Notice extends Managed_DataObject
         return $notice;
     }
 
-    public static function getById($id)
-    {
-        $notice = new Notice();
-        $notice->id = $id;
-        if (!$notice->find(true)) {
-            throw new NoResultException($notice);
-        }
-        return $notice;
-    }
-
     /**
      * Extract #hashtags from this notice's content and save them to the database.
      */
@@ -533,18 +509,13 @@ class Notice extends Managed_DataObject
 
         // Handle repeat case
 
-        if (isset($repeat_of)) {
+        if (!empty($options['repeat_of'])) {
 
             // Check for a private one
 
-            $repeat = Notice::getKV('id', $repeat_of);
-
-            if (!($repeat instanceof Notice)) {
-                // TRANS: Client exception thrown in notice when trying to repeat a missing or deleted notice.
-                throw new ClientException(_('Cannot repeat; original notice is missing or deleted.'));
-            }
+            $repeat = Notice::getByID($options['repeat_of']);
 
-            if ($profile->id == $repeat->profile_id) {
+            if ($profile->sameAs($repeat->getProfile())) {
                 // TRANS: Client error displayed when trying to repeat an own notice.
                 throw new ClientException(_('You cannot repeat your own notice.'));
             }
@@ -620,12 +591,13 @@ class Notice extends Managed_DataObject
             if (empty($notice->conversation) and !empty($options['conversation'])) {
                 $conv = Conversation::getKV('uri', $options['conversation']);
                 if ($conv instanceof Conversation) {
-                    common_debug('Conversation stitched together from (probably) reply to unknown remote user. Activity creation time ('.$notice->created.') should maybe be compared to conversation creation time ('.$conv->created.').');
+                    common_debug('Conversation stitched together from (probably) reply to unknown remote user. Activity creation time ('.$notice->created.') should maybe be compared to conversation creation time ('.$conv->created.').');
                     $notice->conversation = $conv->id;
                 } else {
                     // Conversation URI was not found, so we must create it. But we can't create it
                     // until we have a Notice ID because of the database layout...
-                    $notice->tmp_conv_uri = $options['conversation'];
+                    // $options['conversation'] will be used later after the $notice->insert();
+                    common_debug('Conversation URI not found, so we have to create it after inserting this Notice: '.$options['conversation']);
                 }
             } else {
                 // If we're not using the attached conversation URI let's remove it
@@ -635,14 +607,15 @@ class Notice extends Managed_DataObject
             }
         }
 
+        $notloc = new Notice_location();
         if (!empty($lat) && !empty($lon)) {
-            $notice->lat = $lat;
-            $notice->lon = $lon;
+            $notloc->lat = $lat;
+            $notloc->lon = $lon;
         }
 
         if (!empty($location_ns) && !empty($location_id)) {
-            $notice->location_id = $location_id;
-            $notice->location_ns = $location_ns;
+            $notloc->location_id = $location_id;
+            $notloc->location_ns = $location_ns;
         }
 
         if (!empty($rendered)) {
@@ -681,12 +654,19 @@ class Notice extends Managed_DataObject
             // XXX: some of these functions write to the DB
 
             try {
-                $notice->insert();  // throws exception on failure
+                $notice->insert();  // throws exception on failure, if successful we have an ->id
+
+                if (($notloc->lat && $notloc->lon) || ($notloc->location_id && $notloc->location_ns)) {
+                    $notloc->notice_id = $notice->getID();
+                    $notloc->insert();  // store the notice location if it had any information
+                }
+
                 // If it's not part of a conversation, it's
                 // the beginning of a new conversation.
                 if (empty($notice->conversation)) {
                     $orig = clone($notice);
                     // $act->context->conversation will be null if it was not provided
+
                     $conv = Conversation::create($notice, $options['conversation']);
                     $notice->conversation = $conv->id;
                     $notice->update($orig);
@@ -774,7 +754,7 @@ class Notice extends Managed_DataObject
 
         $defaults = array(
                           'groups'   => array(),
-                          'is_local' => self::LOCAL_PUBLIC,
+                          'is_local' => $actor->isLocal() ? self::LOCAL_PUBLIC : self::REMOTE,
                           'mentions' => array(),
                           'reply_to' => null,
                           'repeat_of' => null,
@@ -794,12 +774,36 @@ class Notice extends Managed_DataObject
         }
         extract($options, EXTR_SKIP);
 
+        // dupe check
         $stored = new Notice();
-        if (!empty($uri)) {
+        if (!empty($uri) && !ActivityUtils::compareVerbs($act->verb, array(ActivityVerb::DELETE))) {
             $stored->uri = $uri;
             if ($stored->find()) {
                 common_debug('cannot create duplicate Notice URI: '.$stored->uri);
-                throw new Exception('Notice URI already exists');
+                // I _assume_ saving a Notice with a colliding URI means we're really trying to
+                // save the same notice again...
+                throw new AlreadyFulfilledException('Notice URI already exists');
+            }
+        }
+
+        $autosource = common_config('public', 'autosource');
+
+        // Sandboxed are non-false, but not 1, either
+        if (!$actor->hasRight(Right::PUBLICNOTICE) ||
+                ($source && $autosource && in_array($source, $autosource))) {
+            // FIXME: ...what about remote nonpublic? Hmmm. That is, if we sandbox remote profiles...
+            $stored->is_local = Notice::LOCAL_NONPUBLIC;
+        } else {
+            $stored->is_local = intval($is_local);
+        }
+
+        if (!$stored->isLocal()) {
+            // Only do these checks for non-local notices. Local notices will generate these values later.
+            if (!common_valid_http_url($url)) {
+                common_debug('Bad notice URL: ['.$url.'], URI: ['.$uri.']. Cannot link back to original! This is normal for shared notices etc.');
+            }
+            if (empty($uri)) {
+                throw new ServerException('No URI for remote notice. Cannot accept that.');
             }
         }
 
@@ -812,17 +816,9 @@ class Notice extends Managed_DataObject
         // Use the local user's shortening preferences, if applicable.
         $stored->rendered = $actor->isLocal()
                                 ? $actor->shortenLinks($act->content)
-                                : $act->content;
+                                : common_purify($act->content);
         $stored->content = common_strip_html($stored->rendered);
 
-        $autosource = common_config('public', 'autosource');
-
-        // Sandboxed are non-false, but not 1, either
-        if (!$actor->hasRight(Right::PUBLICNOTICE) ||
-            ($source && $autosource && in_array($source, $autosource))) {
-            $stored->is_local = Notice::LOCAL_NONPUBLIC;
-        }
-
         // Maybe a missing act-time should be fatal if the actor is not local?
         if (!empty($act->time)) {
             $stored->created = common_sql_date($act->time);
@@ -851,7 +847,6 @@ class Notice extends Managed_DataObject
             // If the original is private to a group, and notice has no group specified,
             // make it to the same group(s)
             if (empty($groups) && ($reply->scope & Notice::GROUP_SCOPE)) {
-                $groups = array();
                 $replyGroups = $reply->getGroups();
                 foreach ($replyGroups as $group) {
                     if ($actor->isMember($group)) {
@@ -863,17 +858,28 @@ class Notice extends Managed_DataObject
             if (is_null($scope)) {
                 $scope = $reply->scope;
             }
+        } else {
+            // If we don't know the reply, we might know the conversation!
+            // This will happen if a known remote user replies to an
+            // unknown remote user - within a known conversation.
+            if (empty($stored->conversation) and !empty($act->context->conversation)) {
+                $conv = Conversation::getKV('uri', $act->context->conversation);
+                if ($conv instanceof Conversation) {
+                    common_debug('Conversation stitched together from (probably) a reply activity to unknown remote user. Activity creation time ('.$stored->created.') should maybe be compared to conversation creation time ('.$conv->created.').');
+                    $stored->conversation = $conv->getID();
+                } else {
+                    // Conversation URI was not found, so we must create it. But we can't create it
+                    // until we have a Notice ID because of the database layout...
+                    // $options['conversation'] will be used later after the $stored->insert();
+                    common_debug('Conversation URI from activity context not found, so we have to create it after inserting this Notice: '.$act->context->conversation);
+                }
+            }
         }
 
+        $notloc = null;
         if ($act->context instanceof ActivityContext) {
-            $location = $act->context->location;
-            if ($location) {
-                $stored->lat = $location->lat;
-                $stored->lon = $location->lon;
-                if ($location->location_id) {
-                    $stored->location_ns = $location->location_ns;
-                    $stored->location_id = $location->location_id;
-                }
+            if ($act->context->location instanceof Location) {
+                $notloc = Notice_location::fromLocation($act->context->location);
             }
         } else {
             $act->context = new ActivityContext();
@@ -895,25 +901,45 @@ class Notice extends Managed_DataObject
             $urls[] = $href;
         }
 
+        if (ActivityUtils::compareVerbs($stored->verb, array(ActivityVerb::POST))) {
+            if (empty($act->objects[0]->type)) {
+                // Default type for the post verb is 'note', but we know it's
+                // a 'comment' if it is in reply to something.
+                $stored->object_type = empty($stored->reply_to) ? ActivityObject::NOTE : ActivityObject::COMMENT;
+            } else {
+                //TODO: Is it safe to always return a relative URI? The
+                // JSON version of ActivityStreams always use it, so we
+                // should definitely be able to handle it...
+                $stored->object_type = ActivityUtils::resolveUri($act->objects[0]->type, true);
+            }
+        }
+
         if (Event::handle('StartNoticeSave', array(&$stored))) {
             // XXX: some of these functions write to the DB
 
             try {
-                $stored->insert();    // throws exception on error
+                $result = $stored->insert();    // throws exception on error
+
+                if ($notloc instanceof Notice_location) {
+                    $notloc->notice_id = $stored->getID();
+                    $notloc->insert();
+                }
+
                 $orig = clone($stored); // for updating later in this try clause
 
                 $object = null;
                 Event::handle('StoreActivityObject', array($act, $stored, $options, &$object));
                 if (empty($object)) {
-                    throw new ServerException('Unsuccessful call to StoreActivityObject '.$stored->uri . ': '.$act->asString());
+                    throw new ServerException('Unsuccessful call to StoreActivityObject '.$stored->getUri() . ': '.$act->asString());
                 }
 
-                // If it's not part of a conversation, it's
-                // the beginning of a new conversation.
+                // If it's not part of a conversation, it's the beginning
+                // of a new one (or belongs to a previously unknown URI).
                 if (empty($stored->conversation)) {
                     // $act->context->conversation will be null if it was not provided
+                    common_debug('Creating a new conversation for stored notice ID='.$stored->getID().' with URI: '.$act->context->conversation);
                     $conv = Conversation::create($stored, $act->context->conversation);
-                    $stored->conversation = $conv->id;
+                    $stored->conversation = $conv->getID();
                 }
 
                 $stored->update($orig);
@@ -933,11 +959,11 @@ class Notice extends Managed_DataObject
 
         // Save per-notice metadata...
         $mentions = array();
-        $groups   = array();
+        $group_ids   = array();
 
         // This event lets plugins filter out non-local recipients (attentions we don't care about)
         // Used primarily for OStatus (and if we don't federate, all attentions would be local anyway)
-        Event::handle('GetLocalAttentions', array($actor, $act->context->attention, &$mentions, &$groups));
+        Event::handle('GetLocalAttentions', array($actor, $act->context->attention, &$mentions, &$group_ids));
 
         if (!empty($mentions)) {
             $stored->saveKnownReplies($mentions);
@@ -955,7 +981,7 @@ class Notice extends Managed_DataObject
         // to avoid errors on duplicates.
         // Note: groups should always be set.
 
-        $stored->saveKnownGroups($groups);
+        $stored->saveKnownGroups($group_ids);
 
         if (!empty($urls)) {
             $stored->saveKnownUrls($urls);
@@ -972,15 +998,13 @@ class Notice extends Managed_DataObject
     }
 
     static public function figureOutScope(Profile $actor, array $groups, $scope=null) {
-        if (is_null($scope)) {
-            $scope = self::defaultScope();
-        }
+        $scope = is_null($scope) ? self::defaultScope() : intval($scope);
 
         // For private streams
         try {
             $user = $actor->getUser();
             // FIXME: We can't do bit comparison with == (Legacy StatusNet thing. Let's keep it for now.)
-            if ($user->private_stream && ($scope == Notice::PUBLIC_SCOPE || $scope == Notice::SITE_SCOPE)) {
+            if ($user->private_stream && ($scope === Notice::PUBLIC_SCOPE || $scope === Notice::SITE_SCOPE)) {
                 $scope |= Notice::FOLLOWER_SCOPE;
             }
         } catch (NoSuchUserException $e) {
@@ -989,12 +1013,14 @@ class Notice extends Managed_DataObject
 
         // Force the scope for private groups
         foreach ($groups as $group_id) {
-            $group = User_group::staticGet('id', $group_id);
-            if ($group instanceof User_group) {
+            try {
+                $group = User_group::getByID($group_id);
                 if ($group->force_scope) {
                     $scope |= Notice::GROUP_SCOPE;
                     break;
                 }
+            } catch (Exception $e) {
+                common_log(LOG_ERR, 'Notice figureOutScope threw exception: '.$e->getMessage());
             }
         }
 
@@ -1109,7 +1135,7 @@ class Notice extends Managed_DataObject
      */
     function saveUrls() {
         if (common_config('attachments', 'process_links')) {
-            common_replace_urls_callback($this->content, array($this, 'saveUrl'), $this->id);
+            common_replace_urls_callback($this->content, array($this, 'saveUrl'), $this);
         }
     }
 
@@ -1126,11 +1152,7 @@ class Notice extends Managed_DataObject
         if (common_config('attachments', 'process_links')) {
             // @fixme validation?
             foreach (array_unique($urls) as $url) {
-                try {
-                    File::processNew($url, $this->id);
-                } catch (ServerException $e) {
-                    // Could not save URL. Log it?
-                }
+                $this->saveUrl($url, $this);
             }
         }
     }
@@ -1138,9 +1160,9 @@ class Notice extends Managed_DataObject
     /**
      * @private callback
      */
-    function saveUrl($url, $notice_id) {
+    function saveUrl($url, Notice $notice) {
         try {
-            File::processNew($url, $notice_id);
+            File::processNew($url, $notice);
         } catch (ServerException $e) {
             // Could not save URL. Log it?
         }
@@ -1215,17 +1237,15 @@ class Notice extends Managed_DataObject
            $this->_attachments[$this->id] = $attachments;
        }
 
-    function publicStream($offset=0, $limit=20, $since_id=0, $max_id=0)
+    static function publicStream($offset=0, $limit=20, $since_id=null, $max_id=null)
     {
         $stream = new PublicNoticeStream();
         return $stream->getNotices($offset, $limit, $since_id, $max_id);
     }
 
-
-    function conversationStream($id, $offset=0, $limit=20, $since_id=0, $max_id=0)
+    static function conversationStream($id, $offset=0, $limit=20, $since_id=null, $max_id=null)
     {
         $stream = new ConversationNoticeStream($id);
-
         return $stream->getNotices($offset, $limit, $since_id, $max_id);
     }
 
@@ -1237,18 +1257,17 @@ class Notice extends Managed_DataObject
      */
     function hasConversation()
     {
-        if (!empty($this->conversation)) {
-            $conversation = Notice::conversationStream(
-                $this->conversation,
-                1,
-                1
-            );
-
-            if ($conversation->N > 0) {
-                return true;
-            }
+        if (empty($this->conversation)) {
+            // this notice is not part of a conversation apparently
+            // FIXME: all notices should have a conversation value, right?
+            return false;
         }
-        return false;
+
+        $stream = new ConversationNoticeStream($this->conversation);
+        $notice = $stream->getNotices(/*offset*/ 1, /*limit*/ 1);
+
+        // if our "offset 1, limit 1" query got a result, return true else false
+        return $notice->N > 0;
     }
 
     /**
@@ -1283,8 +1302,7 @@ class Notice extends Managed_DataObject
             $root = new Notice;
             $root->conversation = $this->conversation;
             $root->orderBy('notice.created ASC');
-            $root->find();
-            $root->fetch();
+            $root->find(true);  // true means "fetch first result"
             $root->free();
             return $root;
         }
@@ -1311,8 +1329,12 @@ class Notice extends Managed_DataObject
                     $last = $parent;
                     continue;
                 }
-            } catch (Exception $e) {
+            } catch (NoParentNoticeException $e) {
                 // Latest notice has no parent
+            } catch (NoResultException $e) {
+                // Notice was not found, so we can't go further up in the tree.
+                // FIXME: Maybe we should do this in a more stable way where deleted
+                // notices won't break conversation chains?
             }
             // No parent, or parent out of scope
             $root = $last;
@@ -1484,13 +1506,8 @@ class Notice extends Managed_DataObject
      *        best with generalizations on user_group to support
      *        remote groups better.
      */
-    function saveKnownGroups($group_ids)
+    function saveKnownGroups(array $group_ids)
     {
-        if (!is_array($group_ids)) {
-            // TRANS: Server exception thrown when no array is provided to the method saveKnownGroups().
-            throw new ServerException(_('Bad type provided to saveKnownGroups.'));
-        }
-
         $groups = array();
         foreach (array_unique($group_ids) as $id) {
             $group = User_group::getKV('id', $id);
@@ -1566,7 +1583,7 @@ class Notice extends Managed_DataObject
             return;
         }
 
-        $sender = Profile::getKV($this->profile_id);
+        $sender = $this->getProfile();
 
         foreach (array_unique($uris) as $uri) {
             try {
@@ -1581,11 +1598,9 @@ class Notice extends Managed_DataObject
                 continue;
             }
 
-            $this->saveReply($profile->id);
-            self::blow('reply:stream:%d', $profile->id);
+            $this->saveReply($profile->getID());
+            self::blow('reply:stream:%d', $profile->getID());
         }
-
-        return;
     }
 
     /**
@@ -1617,8 +1632,10 @@ class Notice extends Managed_DataObject
             $this->saveReply($parentauthor->id);
             $replied[$parentauthor->id] = 1;
             self::blow('reply:stream:%d', $parentauthor->id);
-        } catch (Exception $e) {
+        } catch (NoParentNoticeException $e) {
             // Not a reply, since it has no parent!
+        } catch (NoResultException $e) {
+            // Parent notice was probably deleted
         }
 
         // @todo ideally this parser information would only
@@ -1634,8 +1651,7 @@ class Notice extends Managed_DataObject
             foreach ($mention['mentioned'] as $mentioned) {
 
                 // skip if they're already covered
-
-                if (!empty($replied[$mentioned->id])) {
+                if (array_key_exists($mentioned->id, $replied)) {
                     continue;
                 }
 
@@ -1673,32 +1689,22 @@ class Notice extends Managed_DataObject
     protected $_replies = array();
 
     /**
-     * Pull the complete list of @-reply targets for this notice.
+     * Pull the complete list of @-mentioned profile IDs for this notice.
      *
      * @return array of integer profile ids
      */
     function getReplies()
     {
-        if (isset($this->_replies[$this->id])) {
-            return $this->_replies[$this->id];
-        }
-
-        $replyMap = Reply::listGet('notice_id', array($this->id));
-
-        $ids = array();
-
-        foreach ($replyMap[$this->id] as $reply) {
-            $ids[] = $reply->profile_id;
+        if (!isset($this->_replies[$this->getID()])) {
+            $mentions = Reply::multiGet('notice_id', array($this->getID()));
+            $this->_replies[$this->getID()] = $mentions->fetchAll('profile_id');
         }
-
-        $this->_replies[$this->id] = $ids;
-
-        return $ids;
+        return $this->_replies[$this->getID()];
     }
 
     function _setReplies($replies)
     {
-        $this->_replies[$this->id] = $replies;
+        $this->_replies[$this->getID()] = $replies;
     }
 
     /**
@@ -1724,7 +1730,6 @@ class Notice extends Managed_DataObject
     function sendReplyNotifications()
     {
         // Don't send reply notifications for repeats
-
         if ($this->isRepeat()) {
             return array();
         }
@@ -1734,9 +1739,11 @@ class Notice extends Managed_DataObject
             require_once INSTALLDIR.'/lib/mail.php';
 
             foreach ($recipientIds as $recipientId) {
-                $user = User::getKV('id', $recipientId);
-                if ($user instanceof User) {
+                try {
+                    $user = User::getByID($recipientId);
                     mail_notify_attn($user, $this);
+                } catch (NoResultException $e) {
+                    // No such user
                 }
             }
             Event::handle('EndNotifyMentioned', array($this, $recipientIds));
@@ -1841,9 +1848,9 @@ class Notice extends Managed_DataObject
             $attachments = $this->attachments();
 
             foreach ($attachments as $attachment) {
-                // Save local attachments
+                // Include local attachments in Activity
                 if (!empty($attachment->filename)) {
-                    $act->attachments[] = ActivityObject::fromFile($attachment);
+                    $act->enclosures[] = $attachment->getEnclosure();
                 }
             }
 
@@ -1852,12 +1859,18 @@ class Notice extends Managed_DataObject
             try {
                 $reply = $this->getParent();
                 $ctx->replyToID  = $reply->getUri();
-                $ctx->replyToUrl = $reply->getUrl();
-            } catch (Exception $e) {
+                $ctx->replyToUrl = $reply->getUrl(true);    // true for fallback to local URL, less messy
+            } catch (NoParentNoticeException $e) {
                 // This is not a reply to something
+            } catch (NoResultException $e) {
+                // Parent notice was probably deleted
             }
 
-            $ctx->location = $this->getLocation();
+            try {
+                $ctx->location = Notice_location::locFromStored($this);
+            } catch (ServerException $e) {
+                $ctx->location = null;
+            }
 
             $conv = null;
 
@@ -2103,23 +2116,6 @@ class Notice extends Managed_DataObject
         return ($contentlimit > 0 && !empty($content) && (mb_strlen($content) > $contentlimit));
     }
 
-    function getLocation()
-    {
-        $location = null;
-
-        if (!empty($this->location_id) && !empty($this->location_ns)) {
-            $location = Location::fromId($this->location_id, $this->location_ns);
-        }
-
-        if (is_null($location)) { // no ID, or Location::fromId() failed
-            if (!empty($this->lat) && !empty($this->lon)) {
-                $location = Location::fromLatLon($this->lat, $this->lon);
-            }
-        }
-
-        return $location;
-    }
-
     /**
      * Convenience function for posting a repeat of an existing message.
      *
@@ -2206,7 +2202,7 @@ class Notice extends Managed_DataObject
         return $notice->fetchAll('id');
     }
 
-    function locationOptions($lat, $lon, $location_id, $location_ns, $profile = null)
+    static function locationOptions($lat, $lon, $location_id, $location_ns, $profile = null)
     {
         $options = array();
 
@@ -2290,6 +2286,16 @@ class Notice extends Managed_DataObject
         $reply->free();
     }
 
+    function clearLocation()
+    {
+        $loc = new Notice_location();
+        $loc->notice_id = $this->id;
+
+        if ($loc->find()) {
+            $loc->delete();
+        }
+    }
+
     function clearFiles()
     {
         $f2p = new File_to_post();
@@ -2414,7 +2420,7 @@ class Notice extends Managed_DataObject
             $this->uri = sprintf('%s%s=%d:%s=%s',
                                 TagURI::mint(),
                                 'noticeId', $this->id,
-                                'objectType', $this->get_object_type(true));
+                                'objectType', $this->getObjectType(true));
             $changed = true;
         }
 
@@ -2476,8 +2482,13 @@ class Notice extends Managed_DataObject
 
     public function isLocal()
     {
-        return ($this->is_local == Notice::LOCAL_PUBLIC ||
-                $this->is_local == Notice::LOCAL_NONPUBLIC);
+        $is_local = intval($this->is_local);
+        return ($is_local === self::LOCAL_PUBLIC || $is_local === self::LOCAL_NONPUBLIC);
+    }
+
+    public function getScope()
+    {
+        return intval($this->scope);
     }
 
     public function isRepeat()
@@ -2670,13 +2681,9 @@ class Notice extends Managed_DataObject
 
     protected function _inScope($profile)
     {
-        if (!is_null($this->scope)) {
-            $scope = $this->scope;
-        } else {
-            $scope = self::defaultScope();
-        }
+        $scope = is_null($this->scope) ? self::defaultScope() : $this->getScope();
 
-        if ($scope == 0 && !$this->getProfile()->isPrivateStream()) { // Not scoping, so it is public.
+        if ($scope === 0 && !$this->getProfile()->isPrivateStream()) { // Not scoping, so it is public.
             return !$this->isHiddenSpam($profile);
         }
 
@@ -2763,13 +2770,24 @@ class Notice extends Managed_DataObject
 
     public function getParent()
     {
-        $parent = Notice::getKV('id', $this->reply_to);
+       $reply_to_id = null;
 
-        if (!$parent instanceof Notice) {
-            throw new ServerException('Notice has no parent');
+        if (empty($this->reply_to)) {
+            throw new NoParentNoticeException($this);
         }
 
-        return $parent;
+       // The reply_to ID in the table Notice could exist with a number
+       // however, the replied to notice might not exist in the database.
+       // Thus we need to catch the exception and throw the NoParentNoticeException else 
+       // the timeline will not display correctly.
+       try {
+               $reply_to_id = self::getByID($this->reply_to);
+       } catch(Exception $e){
+               throw new NoParentNoticeException($this);
+       }
+
+
+        return $reply_to_id;
     }
 
     /**
@@ -2901,4 +2919,51 @@ class Notice extends Managed_DataObject
             $notice->_setReplies($ids);
         }
     }
+
+    static public function beforeSchemaUpdate()
+    {
+        $table = strtolower(get_called_class());
+        $schema = Schema::get();
+        $schemadef = $schema->getTableDef($table);
+
+        // 2015-09-04 We move Notice location data to Notice_location
+        // First we see if we have to do this at all
+        if (!isset($schemadef['fields']['lat'])
+                && !isset($schemadef['fields']['lon'])
+                && !isset($schemadef['fields']['location_id'])
+                && !isset($schemadef['fields']['location_ns'])) {
+            // We have already removed the location fields, so no need to migrate.
+            return;
+        }
+        // Then we make sure the Notice_location table is created!
+        $schema->ensureTable('notice_location', Notice_location::schemaDef());
+
+        // Then we continue on our road to migration!
+        echo "\nFound old $table table, moving location data to 'notice_location' table... (this will probably take a LONG time, but can be aborted and continued)";
+
+        $notice = new Notice();
+        $notice->query(sprintf('SELECT id, lat, lon, location_id, location_ns FROM %1$s ' .
+                             'WHERE lat IS NOT NULL ' .
+                                'OR lon IS NOT NULL ' .
+                                'OR location_id IS NOT NULL ' .
+                                'OR location_ns IS NOT NULL',
+                             $schema->quoteIdentifier($table)));
+        print "\nFound {$notice->N} notices with location data, inserting";
+        while ($notice->fetch()) {
+            $notloc = Notice_location::getKV('notice_id', $notice->id);
+            if ($notloc instanceof Notice_location) {
+                print "-";
+                continue;
+            }
+            $notloc = new Notice_location();
+            $notloc->notice_id = $notice->id;
+            $notloc->lat= $notice->lat;
+            $notloc->lon= $notice->lon;
+            $notloc->location_id= $notice->location_id;
+            $notloc->location_ns= $notice->location_ns;
+            $notloc->insert();
+            print ".";
+        }
+        print "\n";
+    }
 }