]> git.mxchange.org Git - friendica.git/blobdiff - include/NotificationsManager.php
Fixed some stuff as requested by @Hypolite
[friendica.git] / include / NotificationsManager.php
index cbf8986d09004e3105e81a7ad5b7b882cc6333c3..57c315c9d741954b671aff04560cadbc52202e63 100644 (file)
@@ -1,13 +1,19 @@
 <?php
 /**
  * @file include/NotificationsManager.php
+ * @brief Methods for read and write notifications from/to database
+ *  or for formatting notifications
  */
-require_once('include/html2plain.php');
-require_once("include/datetime.php");
-require_once("include/bbcode.php");
+
+require_once 'include/html2plain.php';
+require_once 'include/probe.php';
+require_once 'include/datetime.php';
+require_once 'include/bbcode.php';
+require_once 'include/Contact.php';
 
 /**
- * @brief Read and write notifications from/to database
+ * @brief Methods for read and write notifications from/to database
+ *  or for formatting notifications
  */
 class NotificationsManager {
        private $a;
@@ -21,7 +27,7 @@ class NotificationsManager {
         *
         * @param array $notes array of note arrays from db
         * @return array Copy of input array with added properties
-        * 
+        *
         * Set some extra properties to note array from db:
         *  - timestamp as int in default TZ
         *  - date_rel : relative date string
@@ -44,7 +50,7 @@ class NotificationsManager {
 
 
        /**
-        * @brief get all notifications for local_user()
+        * @brief Get all notifications for local_user()
         *
         * @param array $filter optional Array "column name"=>value: filter query by columns values
         * @param string $order optional Space separated list of column to sort by. prepend name with "+" to sort ASC, "-" to sort DESC. Default to "-date"
@@ -78,17 +84,21 @@ class NotificationsManager {
                }
                $order_sql = implode(", ", $asOrder);
 
-               if ($limit!="") $limit = " LIMIT ".$limit;
+               if($limit!="")
+                       $limit = " LIMIT ".$limit;
 
                        $r = q("SELECT * FROM `notify` WHERE `uid` = %d $filter_sql ORDER BY $order_sql $limit",
                                intval(local_user())
                        );
-               if ($r!==false && count($r)>0) return $this->_set_extra($r);
+
+               if (dbm::is_result($r))
+                       return $this->_set_extra($r);
+
                return false;
        }
 
        /**
-        * @brief get one note for local_user() by $id value
+        * @brief Get one note for local_user() by $id value
         *
         * @param int $id
         * @return array note values or null if not found
@@ -98,7 +108,7 @@ class NotificationsManager {
                        intval($id),
                        intval(local_user())
                );
-               if($r!==false && count($r)>0) {
+               if (dbm::is_result($r)) {
                        return $this->_set_extra($r)[0];
                }
                return null;
@@ -136,8 +146,7 @@ class NotificationsManager {
 
        /**
         * @brief List of pages for the Notifications TabBar
-        * 
-        * @param app $a The 
+        *
         * @return array with with notifications TabBar data
         */
        public function getTabs() {
@@ -146,132 +155,172 @@ class NotificationsManager {
                                'label' => t('System'),
                                'url'=>'notifications/system',
                                'sel'=> (($this->a->argv[1] == 'system') ? 'active' : ''),
+                               'id' => 'system-tab',
                                'accesskey' => 'y',
                        ),
                        array(
                                'label' => t('Network'),
                                'url'=>'notifications/network',
                                'sel'=> (($this->a->argv[1] == 'network') ? 'active' : ''),
+                               'id' => 'network-tab',
                                'accesskey' => 'w',
                        ),
                        array(
                                'label' => t('Personal'),
                                'url'=>'notifications/personal',
                                'sel'=> (($this->a->argv[1] == 'personal') ? 'active' : ''),
+                               'id' => 'personal-tab',
                                'accesskey' => 'r',
                        ),
                        array(
                                'label' => t('Home'),
                                'url' => 'notifications/home',
                                'sel'=> (($this->a->argv[1] == 'home') ? 'active' : ''),
+                               'id' => 'home-tab',
                                'accesskey' => 'h',
                        ),
                        array(
                                'label' => t('Introductions'),
                                'url' => 'notifications/intros',
                                'sel'=> (($this->a->argv[1] == 'intros') ? 'active' : ''),
+                               'id' => 'intro-tab',
                                'accesskey' => 'i',
                        ),
-                       /*array(
-                               'label' => t('Messages'),
-                               'url' => 'message',
-                               'sel'=> '',
-                       ),*/ /*while I can have notifications for messages, this tablist is not place for message page link */
                );
 
                return $tabs;
        }
 
-       public function format($notifs) {
-
-               $notif_content = array();
-
-               // The template files we need in different cases for formatting the content
-               $tpl_item_likes = get_markup_template('notifications_likes_item.tpl');
-               $tpl_item_dislikes = get_markup_template('notifications_dislikes_item.tpl');
-               $tpl_item_friends = get_markup_template('notifications_friends_item.tpl');
-               $tpl_item_comments = get_markup_template('notifications_comments_item.tpl');
-               $tpl_item_posts = get_markup_template('notifications_posts_item.tpl');
-               $tpl_notify = get_markup_template('notify.tpl');
-
-               if (count($notifs['notifications']) > 0) {
-       //              switch ($notifs['ident']) {
-       //                      case 'system':
-       //                              $default_item_link = app::get_baseurl(true).'/notify/view/'. $it['id'];
-       //                              $default_item_image = proxy_url($it['photo'], false, PROXY_SIZE_MICRO);
-       //                              $default_item_text = strip_tags(bbcode($it['msg']));
-       //                              $default_item_when = relative_date($it['date']);
-       //                              $default_tpl = $tpl_notify;
-       //                              break;
-       //
-       //                      case 'home':
-       //                              $default_item_link = app::get_baseurl(true).'/display/'.$it['pguid'];
-       //                              $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
-       //                              $default_item_text = sprintf( t("%s commented on %s's post"), $it['author-name'], $it['pname']);
-       //                              $default_item_when = relative_date($it['created']);
-       //                              $default_tpl = $tpl_item_comments;
-       //                              break;
-       //
-       //                      default:
-       //                              $default_item_link = app::get_baseurl(true).'/display/'.$it['pguid'];
-       //                              $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
-       //                              $default_item_text = (($it['id'] == $it['parent'])
-       //                                                      ? sprintf( t("%s created a new post"), $it['author-name'])
-       //                                                      : sprintf( t("%s commented on %s's post"), $it['author-name'], $it['pname']));
-       //                              $default_item_when = relative_date($it['created']);
-       //                              $default_tpl = (($it['id'] == $it['parent']) ? $tpl_item_posts : $tpl_item_comments);
-       //
-       //              }
-
-                       foreach ($notifs['notifications'] as $it) {
-
-                               switch ($notifs['ident']) {
+       /**
+        * @brief Format the notification query in an usable array
+        *
+        * @param array $notifs The array from the db query
+        * @param string $ident The notifications identifier (e.g. network)
+        * @return array
+        *      string 'label' => The type of the notification
+        *      string 'link' => URL to the source
+        *      string 'image' => The avatar image
+        *      string 'url' => The profile url of the contact
+        *      string 'text' => The notification text
+        *      string 'when' => The date of the notification
+        *      string 'ago' => T relative date of the notification
+        *      bool 'seen' => Is the notification marked as "seen"
+        */
+       private function formatNotifs($notifs, $ident = "") {
+
+               $notif = array();
+               $arr = array();
+
+               if (dbm::is_result($notifs)) {
+
+                       foreach ($notifs as $it) {
+                               // Because we use different db tables for the notification query
+                               // we have sometimes $it['unseen'] and sometimes $it['seen].
+                               // So we will have to transform $it['unseen']
+                               if (array_key_exists('unseen', $it)) {
+                                       $it['seen'] = ($it['unseen'] > 0 ? false : true);
+                               }
+
+                               // Depending on the identifier of the notification we need to use different defaults
+                               switch ($ident) {
                                        case 'system':
-                                               $default_item_link = app::get_baseurl(true).'/notify/view/'. $it['id'];
+                                               $default_item_label = 'notify';
+                                               $default_item_link = $this->a->get_baseurl(true).'/notify/view/'. $it['id'];
                                                $default_item_image = proxy_url($it['photo'], false, PROXY_SIZE_MICRO);
+                                               $default_item_url = $it['url'];
                                                $default_item_text = strip_tags(bbcode($it['msg']));
-                                               $default_item_when = relative_date($it['date']);
-                                               $default_tpl = $tpl_notify;
+                                               $default_item_when = datetime_convert('UTC', date_default_timezone_get(), $it['date'], 'r');
+                                               $default_item_ago = relative_date($it['date']);
                                                break;
 
                                        case 'home':
-                                               $default_item_link = app::get_baseurl(true).'/display/'.$it['pguid'];
+                                               $default_item_label = 'comment';
+                                               $default_item_link = $this->a->get_baseurl(true).'/display/'.$it['pguid'];
                                                $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
-                                               $default_item_text = sprintf( t("%s commented on %s's post"), $it['author-name'], $it['pname']);
-                                               $default_item_when = relative_date($it['created']);
-                                               $default_tpl = $tpl_item_comments;
+                                               $default_item_url = $it['author-link'];
+                                               $default_item_text = sprintf(t("%s commented on %s's post"), $it['author-name'], $it['pname']);
+                                               $default_item_when = datetime_convert('UTC', date_default_timezone_get(), $it['created'], 'r');
+                                               $default_item_ago = relative_date($it['created']);
                                                break;
 
                                        default:
-                                               $default_item_link = app::get_baseurl(true).'/display/'.$it['pguid'];
+                                               $default_item_label = (($it['id'] == $it['parent']) ? 'post' : 'comment');
+                                               $default_item_link = $this->a->get_baseurl(true).'/display/'.$it['pguid'];
                                                $default_item_image = proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO);
+                                               $default_item_url = $it['author-link'];
                                                $default_item_text = (($it['id'] == $it['parent'])
-                                                                       ? sprintf( t("%s created a new post"), $it['author-name'])
-                                                                       : sprintf( t("%s commented on %s's post"), $it['author-name'], $it['pname']));
-                                               $default_item_when = relative_date($it['created']);
-                                               $default_tpl = (($it['id'] == $it['parent']) ? $tpl_item_posts : $tpl_item_comments);
+                                                                       ? sprintf(t("%s created a new post"), $it['author-name'])
+                                                                       : sprintf(t("%s commented on %s's post"), $it['author-name'], $it['pname']));
+                                               $default_item_when = datetime_convert('UTC', date_default_timezone_get(), $it['created'], 'r');
+                                               $default_item_ago = relative_date($it['created']);
 
                                }
 
-                               switch($it['verb']){
+                               // Transform the different types of notification in an usable array
+                               switch ($it['verb']){
                                        case ACTIVITY_LIKE:
-                                               $notif_content[] = replace_macros($tpl_item_likes,array(
-                                                       //'$item_link' => $a->get_baseurl(true).'/display/'.$a->user['nickname']."/".$it['parent'],
-                                                       '$item_link' => app::get_baseurl(true).'/display/'.$it['pguid'],
-                                                       '$item_image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
-                                                       '$item_text' => sprintf( t("%s liked %s's post"), $it['author-name'], $it['pname']),
-                                                       '$item_when' => relative_date($it['created'])
-                                               ));
+                                               $notif = array(
+                                                       'label' => 'like',
+                                                       'link' => $this->a->get_baseurl(true).'/display/'.$it['pguid'],
+                                                       'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
+                                                       'url' => $it['author-link'],
+                                                       'text' => sprintf(t("%s liked %s's post"), $it['author-name'], $it['pname']),
+                                                       'when' => $default_item_when,
+                                                       'ago' => $default_item_ago,
+                                                       'seen' => $it['seen']
+                                               );
                                                break;
 
                                        case ACTIVITY_DISLIKE:
-                                               $notif_content[] = replace_macros($tpl_item_dislikes,array(
-                                                       //'$item_link' => $a->get_baseurl(true).'/display/'.$a->user['nickname']."/".$it['parent'],
-                                                       '$item_link' => app::get_baseurl(true).'/display/'.$it['pguid'],
-                                                       '$item_image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
-                                                       '$item_text' => sprintf( t("%s disliked %s's post"), $it['author-name'], $it['pname']),
-                                                       '$item_when' => relative_date($it['created'])
-                                               ));
+                                               $notif = array(
+                                                       'label' => 'dislike',
+                                                       'link' => $this->a->get_baseurl(true).'/display/'.$it['pguid'],
+                                                       'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
+                                                       'url' => $it['author-link'],
+                                                       'text' => sprintf(t("%s disliked %s's post"), $it['author-name'], $it['pname']),
+                                                       'when' => $default_item_when,
+                                                       'ago' => $default_item_ago,
+                                                       'seen' => $it['seen']
+                                               );
+                                               break;
+
+                                       case ACTIVITY_ATTEND:
+                                               $notif = array(
+                                                       'label' => 'attend',
+                                                       'link' => $this->a->get_baseurl(true).'/display/'.$it['pguid'],
+                                                       'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
+                                                       'url' => $it['author-link'],
+                                                       'text' => sprintf(t("%s is attending %s's event"), $it['author-name'], $it['pname']),
+                                                       'when' => $default_item_when,
+                                                       'ago' => $default_item_ago,
+                                                       'seen' => $it['seen']
+                                               );
+                                               break;
+
+                                       case ACTIVITY_ATTENDNO:
+                                               $notif = array(
+                                                       'label' => 'attendno',
+                                                       'link' => $this->a->get_baseurl(true).'/display/'.$it['pguid'],
+                                                       'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
+                                                       'url' => $it['author-link'],
+                                                       'text' => sprintf( t("%s is not attending %s's event"), $it['author-name'], $it['pname']),
+                                                       'when' => $default_item_when,
+                                                       'ago' => $default_item_ago,
+                                                       'seen' => $it['seen']
+                                               );
+                                               break;
+
+                                       case ACTIVITY_ATTENDMAYBE:
+                                               $notif = array(
+                                                       'label' => 'attendmaybe',
+                                                       'link' => $this->a->get_baseurl(true).'/display/'.$it['pguid'],
+                                                       'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
+                                                       'url' => $it['author-link'],
+                                                       'text' => sprintf(t("%s may attend %s's event"), $it['author-name'], $it['pname']),
+                                                       'when' => $default_item_when,
+                                                       'ago' => $default_item_ago,
+                                                       'seen' => $it['seen']
+                                               );
                                                break;
 
                                        case ACTIVITY_FRIEND:
@@ -279,28 +328,537 @@ class NotificationsManager {
                                                $obj = parse_xml_string($xmlhead.$it['object']);
                                                $it['fname'] = $obj->title;
 
-                                               $notif_content[] = replace_macros($tpl_item_friends,array(
-                                                       //'$item_link' => $a->get_baseurl(true).'/display/'.$a->user['nickname']."/".$it['parent'],
-                                                       '$item_link' => app::get_baseurl(true).'/display/'.$it['pguid'],
-                                                       '$item_image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
-                                                       '$item_text' => sprintf( t("%s is now friends with %s"), $it['author-name'], $it['fname']),
-                                                       '$item_when' => relative_date($it['created'])
-                                               ));
+                                               $notif = array(
+                                                       'label' => 'friend',
+                                                       'link' => $this->a->get_baseurl(true).'/display/'.$it['pguid'],
+                                                       'image' => proxy_url($it['author-avatar'], false, PROXY_SIZE_MICRO),
+                                                       'url' => $it['author-link'],
+                                                       'text' => sprintf(t("%s is now friends with %s"), $it['author-name'], $it['fname']),
+                                                       'when' => $default_item_when,
+                                                       'ago' => $default_item_ago,
+                                                       'seen' => $it['seen']
+                                               );
                                                break;
 
                                        default:
-                                               $notif_content[] = replace_macros($default_tpl,array(
-                                                       //'$item_link' => $a->get_baseurl(true).'/display/'.$a->user['nickname']."/".$it['parent'],
-                                                       '$item_link' => $default_item_link,
-                                                       '$item_image' => $default_item_image,
-                                                       '$item_text' => $default_item_text,
-                                                       '$item_when' => $default_item_when
-                                               ));
+                                               $notif = array(
+                                                       'label' => $default_item_label,
+                                                       'link' => $default_item_link,
+                                                       'image' => $default_item_image,
+                                                       'url' => $default_item_url,
+                                                       'text' => $default_item_text,
+                                                       'when' => $default_item_when,
+                                                       'ago' => $default_item_ago,
+                                                       'seen' => $it['seen']
+                                               );
                                }
+
+                               $arr[] = $notif;
                        }
                }
 
-               return $notif_content;
+               return $arr;
+
+       }
+
+       /**
+        * @brief Total number of network notifications
+        * @param int|string $seen
+        *      If 0 only include notifications into the query
+        *      which aren't marked as "seen"
+        * @return int Number of network notifications
+        */
+       private function networkTotal($seen = 0) {
+               $sql_seen = "";
+
+               if($seen === 0)
+                       $sql_seen = " AND `item`.`unseen` = 1 ";
+
+               $r = q("SELECT COUNT(*) AS `total`
+                               FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
+                               WHERE `item`.`visible` = 1 AND `pitem`.`parent` != 0 AND
+                                `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
+                               $sql_seen",
+                       intval(local_user())
+               );
+
+               if (dbm::is_result($r))
+                       return $r[0]['total'];
+
+               return 0;
+       }
+
+       /**
+        * @brief Get network notifications
+        *
+        * @param int|string $seen
+        *      If 0 only include notifications into the query
+        *      which aren't marked as "seen"
+        * @param int $start Start the query at this point
+        * @param int $limit Maximum number of query results
+        *
+        * @return array with
+        *      string 'ident' => Notification identifier
+        *      int 'total' => Total number of available network notifications
+        *      array 'notifications' => Network notifications
+        */
+       public function networkNotifs($seen = 0, $start = 0, $limit = 80) {
+               $ident = 'network';
+               $total = $this->networkTotal($seen);
+               $notifs = array();
+               $sql_seen = "";
+
+               if($seen === 0)
+                       $sql_seen = " AND `item`.`unseen` = 1 ";
+
+
+               $r = q("SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
+                               `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
+                               `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
+                       FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
+                       WHERE `item`.`visible` = 1 AND `pitem`.`parent` != 0 AND
+                                `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
+                               $sql_seen
+                       ORDER BY `item`.`created` DESC LIMIT %d, %d ",
+                               intval(local_user()),
+                               intval($start),
+                               intval($limit)
+               );
+
+               if (dbm::is_result($r))
+                       $notifs = $this->formatNotifs($r, $ident);
+
+               $arr = array (
+                       'notifications' => $notifs,
+                       'ident' => $ident,
+                       'total' => $total,
+               );
+
+               return $arr;
+       }
+
+       /**
+        * @brief Total number of system notifications
+        * @param int|string $seen
+        *      If 0 only include notifications into the query
+        *      which aren't marked as "seen"
+        * @return int Number of system notifications
+        */
+       private function systemTotal($seen = 0) {
+               $sql_seen = "";
+
+               if($seen === 0)
+                       $sql_seen = " AND `seen` = 0 ";
+
+               $r = q("SELECT COUNT(*) AS `total` FROM `notify` WHERE `uid` = %d $sql_seen",
+                       intval(local_user())
+               );
+
+               if (dbm::is_result($r))
+                       return $r[0]['total'];
+
+               return 0;
+       }
+
+       /**
+        * @brief Get system notifications
+        *
+        * @param int|string $seen
+        *      If 0 only include notifications into the query
+        *      which aren't marked as "seen"
+        * @param int $start Start the query at this point
+        * @param int $limit Maximum number of query results
+        *
+        * @return array with
+        *      string 'ident' => Notification identifier
+        *      int 'total' => Total number of available system notifications
+        *      array 'notifications' => System notifications
+        */
+       public function systemNotifs($seen = 0, $start = 0, $limit = 80) {
+               $ident = 'system';
+               $total = $this->systemTotal($seen);
+               $notifs = array();
+               $sql_seen = "";
+
+               if($seen === 0)
+                       $sql_seen = " AND `seen` = 0 ";
+
+               $r = q("SELECT `id`, `url`, `photo`, `msg`, `date`, `seen` FROM `notify`
+                               WHERE `uid` = %d $sql_seen ORDER BY `date` DESC LIMIT %d, %d ",
+                       intval(local_user()),
+                       intval($start),
+                       intval($limit)
+               );
+
+               if (dbm::is_result($r))
+                       $notifs = $this->formatNotifs($r, $ident);
+
+               $arr = array (
+                       'notifications' => $notifs,
+                       'ident' => $ident,
+                       'total' => $total,
+               );
+
+               return $arr;
+       }
+
+       /**
+        * @brief Addional SQL query string for the personal notifications
+        *
+        * @return string The additional sql query
+        */
+       private function _personal_sql_extra() {
+               $myurl = $this->a->get_baseurl(true) . '/profile/'. $this->a->user['nickname'];
+               $myurl = substr($myurl,strpos($myurl,'://')+3);
+               $myurl = str_replace(array('www.','.'),array('','\\.'),$myurl);
+               $diasp_url = str_replace('/profile/','/u/',$myurl);
+               $sql_extra = sprintf(" AND ( `item`.`author-link` regexp '%s' OR `item`.`tag` regexp '%s' OR `item`.`tag` regexp '%s' ) ",
+                       dbesc($myurl . '$'),
+                       dbesc($myurl . '\\]'),
+                       dbesc($diasp_url . '\\]')
+               );
+
+               return $sql_extra;
+       }
+
+       /**
+        * @brief Total number of personal notifications
+        * @param int|string $seen
+        *      If 0 only include notifications into the query
+        *      which aren't marked as "seen"
+        * @return int Number of personal notifications
+        */
+       private function personalTotal($seen = 0) {
+               $sql_seen = "";
+               $sql_extra = $this->_personal_sql_extra();
+
+               if($seen === 0)
+                       $sql_seen = " AND `item`.`unseen` = 1 ";
+
+               $r = q("SELECT COUNT(*) AS `total`
+                               FROM `item` INNER JOIN `item` AS `pitem` ON  `pitem`.`id`=`item`.`parent`
+                               WHERE `item`.`visible` = 1
+                               $sql_extra
+                               $sql_seen
+                               AND `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0 " ,
+                       intval(local_user())
+               );
+
+               if (dbm::is_result($r))
+                       return $r[0]['total'];
+
+               return 0;
+       }
+
+       /**
+        * @brief Get personal notifications
+        *
+        * @param int|string $seen
+        *      If 0 only include notifications into the query
+        *      which aren't marked as "seen"
+        * @param int $start Start the query at this point
+        * @param int $limit Maximum number of query results
+        *
+        * @return array with
+        *      string 'ident' => Notification identifier
+        *      int 'total' => Total number of available personal notifications
+        *      array 'notifications' => Personal notifications
+        */
+       public function personalNotifs($seen = 0, $start = 0, $limit = 80) {
+               $ident = 'personal';
+               $total = $this->personalTotal($seen);
+               $sql_extra = $this->_personal_sql_extra();
+               $notifs = array();
+               $sql_seen = "";
+
+               if($seen === 0)
+                       $sql_seen = " AND `item`.`unseen` = 1 ";
+
+               $r = q("SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
+                               `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
+                               `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
+                       FROM `item` INNER JOIN `item` AS `pitem` ON  `pitem`.`id`=`item`.`parent`
+                       WHERE `item`.`visible` = 1
+                               $sql_extra
+                               $sql_seen
+                               AND `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 0
+                       ORDER BY `item`.`created` DESC LIMIT %d, %d " ,
+                               intval(local_user()),
+                               intval($start),
+                               intval($limit)
+               );
+
+               if (dbm::is_result($r))
+                       $notifs = $this->formatNotifs($r, $ident);
+
+               $arr = array (
+                       'notifications' => $notifs,
+                       'ident' => $ident,
+                       'total' => $total,
+               );
+
+               return $arr;
+       }
+
+       /**
+        * @brief Total number of home notifications
+        * @param int|string $seen
+        *      If 0 only include notifications into the query
+        *      which aren't marked as "seen"
+        * @return int Number of home notifications
+        */
+       private function homeTotal($seen = 0) {
+               $sql_seen = "";
+
+               if($seen === 0)
+                       $sql_seen = " AND `item`.`unseen` = 1 ";
+
+               $r = q("SELECT COUNT(*) AS `total` FROM `item`
+                               WHERE `item`.`visible` = 1 AND
+                                `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 1
+                               $sql_seen",
+                       intval(local_user())
+               );
+
+               if (dbm::is_result($r))
+                       return $r[0]['total'];
+
+               return 0;
+       }
+
+       /**
+        * @brief Get home notifications
+        *
+        * @param int|string $seen
+        *      If 0 only include notifications into the query
+        *      which aren't marked as "seen"
+        * @param int $start Start the query at this point
+        * @param int $limit Maximum number of query results
+        *
+        * @return array with
+        *      string 'ident' => Notification identifier
+        *      int 'total' => Total number of available home notifications
+        *      array 'notifications' => Home notifications
+        */
+       public function homeNotifs($seen = 0, $start = 0, $limit = 80) {
+               $ident = 'home';
+               $total = $this->homeTotal($seen);
+               $notifs = array();
+               $sql_seen = "";
+
+               if($seen === 0)
+                       $sql_seen = " AND `item`.`unseen` = 1 ";
+
+               $r = q("SELECT `item`.`id`,`item`.`parent`, `item`.`verb`, `item`.`author-name`, `item`.`unseen`,
+                               `item`.`author-link`, `item`.`author-avatar`, `item`.`created`, `item`.`object` AS `object`,
+                               `pitem`.`author-name` AS `pname`, `pitem`.`author-link` AS `plink`, `pitem`.`guid` AS `pguid`
+                       FROM `item` INNER JOIN `item` AS `pitem` ON `pitem`.`id`=`item`.`parent`
+                       WHERE `item`.`visible` = 1 AND
+                                `item`.`deleted` = 0 AND `item`.`uid` = %d AND `item`.`wall` = 1
+                               $sql_seen
+                       ORDER BY `item`.`created` DESC LIMIT %d, %d ",
+                               intval(local_user()),
+                               intval($start),
+                               intval($limit)
+               );
+
+               if (dbm::is_result($r))
+                       $notifs = $this->formatNotifs($r, $ident);
+
+               $arr = array (
+                       'notifications' => $notifs,
+                       'ident' => $ident,
+                       'total' => $total,
+               );
+
+               return $arr;
+       }
+
+       /**
+        * @brief Total number of introductions
+        * @param bool $all
+        *      If false only include introductions into the query
+        *      which aren't marked as ignored
+        * @return int Number of introductions
+        */
+       private function introTotal($all = false) {
+               $sql_extra = "";
+
+               if(!$all)
+                       $sql_extra = " AND `ignore` = 0 ";
+
+               $r = q("SELECT COUNT(*) AS `total` FROM `intro`
+                       WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0 ",
+                               intval($_SESSION['uid'])
+               );
+
+               if (dbm::is_result($r))
+                       return $r[0]['total'];
+
+               return 0;
+       }
+
+       /**
+        * @brief Get introductions
+        *
+        * @param bool $all
+        *      If false only include introductions into the query
+        *      which aren't marked as ignored
+        * @param int $start Start the query at this point
+        * @param int $limit Maximum number of query results
+        *
+        * @return array with
+        *      string 'ident' => Notification identifier
+        *      int 'total' => Total number of available introductions
+        *      array 'notifications' => Introductions
+        */
+       public function introNotifs($all = false, $start = 0, $limit = 80) {
+               $ident = 'introductions';
+               $total = $this->introTotal($seen);
+               $notifs = array();
+               $sql_extra = "";
+
+               if(!$all)
+                       $sql_extra = " AND `ignore` = 0 ";
+
+               /// @todo Fetch contact details by "get_contact_details_by_url" instead of queries to contact, fcontact and gcontact
+               $r = q("SELECT `intro`.`id` AS `intro_id`, `intro`.*, `contact`.*,
+                               `fcontact`.`name` AS `fname`, `fcontact`.`url` AS `furl`,
+                               `fcontact`.`photo` AS `fphoto`, `fcontact`.`request` AS `frequest`,
+                               `gcontact`.`location` AS `glocation`, `gcontact`.`about` AS `gabout`,
+                               `gcontact`.`keywords` AS `gkeywords`, `gcontact`.`gender` AS `ggender`,
+                               `gcontact`.`network` AS `gnetwork`, `gcontact`.`addr` AS `gaddr`
+                       FROM `intro`
+                               LEFT JOIN `contact` ON `contact`.`id` = `intro`.`contact-id`
+                               LEFT JOIN `gcontact` ON `gcontact`.`nurl` = `contact`.`nurl`
+                               LEFT JOIN `fcontact` ON `intro`.`fid` = `fcontact`.`id`
+                       WHERE `intro`.`uid` = %d $sql_extra AND `intro`.`blocked` = 0
+                       LIMIT %d, %d",
+                               intval($_SESSION['uid']),
+                               intval($start),
+                               intval($limit)
+               );
+
+               if (dbm::is_result($r))
+                       $notifs = $this->formatIntros($r);
+
+               $arr = array (
+                       'ident' => $ident,
+                       'total' => $total,
+                       'notifications' => $notifs,
+               );
+
+               return $arr;
+       }
+
+       /**
+        * @brief Format the notification query in an usable array
+        *
+        * @param array $intros The array from the db query
+        * @return array with the introductions
+        */
+       private function formatIntros($intros) {
+               $knowyou = '';
+
+               foreach($intros as $it) {
+                       // There are two kind of introduction. Contacts suggested by other contacts and normal connection requests.
+                       // We have to distinguish between these two because they use different data.
+
+                       // Contact suggestions
+                       if($it['fid']) {
+
+                               $return_addr = bin2hex($this->a->user['nickname'] . '@' . $this->a->get_hostname() . (($this->a->path) ? '/' . $this->a->path : ''));
+
+                               $intro = array(
+                                       'label' => 'friend_suggestion',
+                                       'notify_type' => t('Friend Suggestion'),
+                                       'intro_id' => $it['intro_id'],
+                                       'madeby' => $it['name'],
+                                       'contact_id' => $it['contact-id'],
+                                       'photo' => ((x($it,'fphoto')) ? proxy_url($it['fphoto'], false, PROXY_SIZE_SMALL) : "images/person-175.jpg"),
+                                       'name' => $it['fname'],
+                                       'url' => zrl($it['furl']),
+                                       'hidden' => $it['hidden'] == 1,
+                                       'post_newfriend' => (intval(get_pconfig(local_user(),'system','post_newfriend')) ? '1' : 0),
+
+                                       'knowyou' => $knowyou,
+                                       'note' => $it['note'],
+                                       'request' => $it['frequest'] . '?addr=' . $return_addr,
+
+                               );
+
+                       // Normal connection requests
+                       } else {
+
+                               $it = $this->getMissingIntroData($it);
+
+                               // Don't show these data until you are connected. Diaspora is doing the same.
+                               if($it['gnetwork'] === NETWORK_DIASPORA) {
+                                       $it['glocation'] = "";
+                                       $it['gabout'] = "";
+                                       $it['ggender'] = "";
+                               }
+                               $intro = array(
+                                       'label' => (($it['network'] !== NETWORK_OSTATUS) ? 'friend_request' : 'follower'),
+                                       'notify_type' => (($it['network'] !== NETWORK_OSTATUS) ? t('Friend/Connect Request') : t('New Follower')),
+                                       'dfrn_id' => $it['issued-id'],
+                                       'uid' => $_SESSION['uid'],
+                                       'intro_id' => $it['intro_id'],
+                                       'contact_id' => $it['contact-id'],
+                                       'photo' => ((x($it,'photo')) ? proxy_url($it['photo'], false, PROXY_SIZE_SMALL) : "images/person-175.jpg"),
+                                       'name' => $it['name'],
+                                       'location' => bbcode($it['glocation'], false, false),
+                                       'about' => bbcode($it['gabout'], false, false),
+                                       'keywords' => $it['gkeywords'],
+                                       'gender' => $it['ggender'],
+                                       'hidden' => $it['hidden'] == 1,
+                                       'post_newfriend' => (intval(get_pconfig(local_user(),'system','post_newfriend')) ? '1' : 0),
+                                       'url' => $it['url'],
+                                       'zrl' => zrl($it['url']),
+                                       'addr' => $it['gaddr'],
+                                       'network' => $it['gnetwork'],
+                                       'knowyou' => $it['knowyou'],
+                                       'note' => $it['note'],
+                               );
+                       }
+
+                       $arr[] = $intro;
+               }
+
+               return $arr;
+       }
+
+       /**
+        * @brief Check for missing contact data and try to fetch the data from
+        *     from other sources
+        *
+        * @param array $arr The input array with the intro data
+        *
+        * @return array The array with the intro data
+        */
+       private function getMissingIntroData($arr) {
+               // If the network and the addr isn't available from the gcontact
+               // table entry, take the one of the contact table entry
+               if ($arr['gnetwork'] == "") {
+                       $arr['gnetwork'] = $arr['network'];
+               }
+               if ($arr['gaddr'] == "") {
+                       $arr['gaddr'] = $arr['addr'];
+               }
+
+               // If the network and addr is still not available
+               // get the missing data data from other sources
+               if ($arr['gnetwork'] == "" || $arr['gaddr'] == "") {
+                       $ret = get_contact_details_by_url($arr['url']);
+
+                       if ($arr['gnetwork'] == "" && $ret['network'] != "") {
+                               $arr['gnetwork'] = $ret['network'];
+                       }
+                       if ($arr['gaddr'] == "" && $ret['addr'] != "") {
+                               $arr['gaddr'] = $ret['addr'];
+                       }
+               }
 
+               return $arr;
        }
 }