9 files changed, 59 insertions, 131 deletions
diff --git a/phpBB/includes/functions_posting.php b/phpBB/includes/functions_posting.php
index fb09bc7057..624ce187b9 100644
--- a/phpBB/includes/functions_posting.php
+++ b/phpBB/includes/functions_posting.php
@@ -1324,18 +1324,7 @@ function delete_post($forum_id, $topic_id, $post_id, &$data, $is_soft = false, $
 			{
 				delete_topics('topic_id', array($topic_id), false);
 
-				if ($data['topic_visibility'] == ITEM_APPROVED)
-				{
-					$sql_data[FORUMS_TABLE] .= 'forum_posts_approved = forum_posts_approved - 1, forum_topics_approved = forum_topics_approved - 1';
-				}
-				else if ($data['topic_visibility'] == ITEM_UNAPPROVED || $data['post_visibility'] == ITEM_REAPPROVE)
-				{
-					$sql_data[FORUMS_TABLE] .= 'forum_posts_unapproved = forum_posts_unapproved - 1, forum_topics_unapproved = forum_topics_unapproved - 1';
-				}
-				else if ($data['topic_visibility'] == ITEM_DELETED)
-				{
-					$sql_data[FORUMS_TABLE] .= 'forum_posts_softdeleted = forum_posts_softdeleted - 1, forum_topics_softdeleted = forum_topics_softdeleted - 1';
-				}
+				$phpbb_content_visibility->remove_topic_from_statistic($data, $sql_data);
 
 				$update_sql = update_post_information('forum', $forum_id, true);
 				if (sizeof($update_sql))
diff --git a/phpBB/phpbb/content_visibility.php b/phpBB/phpbb/content_visibility.php
index da4405d676..8bd537586e 100644
--- a/phpBB/phpbb/content_visibility.php
+++ b/phpBB/phpbb/content_visibility.php
@@ -570,7 +570,7 @@ class content_visibility
 	* Add post to topic and forum statistics
 	*
 	* @param $data			array	Contains information from the topics table about given topic
-	* @param $sql_data		array	Populated with the SQL changes, may be empty at call time
+	* @param &$sql_data		array	Populated with the SQL changes, may be empty at call time
 	* @return null
 	*/
 	public function add_post_to_statistic($data, &$sql_data)
@@ -591,7 +591,7 @@ class content_visibility
 	* Remove post from topic and forum statistics
 	*
 	* @param $data			array	Contains information from the topics table about given topic
-	* @param $sql_data		array	Populated with the SQL changes, may be empty at call time
+	* @param &$sql_data		array	Populated with the SQL changes, may be empty at call time
 	* @return null
 	*/
 	public function remove_post_from_statistic($data, &$sql_data)
@@ -623,64 +623,29 @@ class content_visibility
 	/**
 	* Remove topic from forum statistics
 	*
-	* @param $topic_id		int		The topic to act on
-	* @param $forum_id		int		Forum where the topic is found
-	* @param $topic_row		array	Contains information from the topic, may be empty at call time
-	* @param $sql_data		array	Populated with the SQL changes, may be empty at call time
+	* @param $data			array	Post and topic data
+	* @param &$sql_data		array	Populated with the SQL changes, may be empty at call time
 	* @return null
 	*/
-	public function remove_topic_from_statistic($topic_id, $forum_id, &$topic_row, &$sql_data)
+	public function remove_topic_from_statistic($data, &$sql_data)
 	{
-		// Do we need to grab some topic informations?
-		if (!sizeof($topic_row))
+		if ($data['topic_visibility'] == ITEM_APPROVED)
 		{
-			$sql = 'SELECT topic_type, topic_posts_approved, topic_posts_unapproved, topic_posts_softdeleted, topic_visibility
-				FROM ' . $this->topics_table . '
-				WHERE topic_id = ' . (int) $topic_id;
-			$result = $this->db->sql_query($sql);
-			$topic_row = $this->db->sql_fetchrow($result);
-			$this->db->sql_freeresult($result);
-		}
-
-		// If this is an edited topic or the first post the topic gets completely disapproved later on...
-		$sql_data[$this->forums_table] = (($sql_data[$this->forums_table]) ? $sql_data[$this->forums_table] . ', ' : '') . 'forum_topics_approved = forum_topics_approved - 1';
-		$sql_data[$this->forums_table] .= ', forum_posts_approved = forum_posts_approved - ' . $topic_row['topic_posts_approved'];
-		$sql_data[$this->forums_table] .= ', forum_posts_unapproved = forum_posts_unapproved - ' . $topic_row['topic_posts_unapproved'];
-		$sql_data[$this->forums_table] .= ', forum_posts_softdeleted = forum_posts_softdeleted - ' . $topic_row['topic_posts_softdeleted'];
+			$sql_data[FORUMS_TABLE] .= 'forum_posts_approved = forum_posts_approved - 1, forum_topics_approved = forum_topics_approved - 1';
 
-		$this->config->increment('num_topics', -1, false);
-		$this->config->increment('num_posts', $topic_row['topic_posts_approved'] * (-1), false);
-
-		// Get user post count information
-		$sql = 'SELECT poster_id, COUNT(post_id) AS num_posts
-			FROM ' . $this->posts_table . '
-			WHERE topic_id = ' . (int) $topic_id . '
-				AND post_postcount = 1
-				AND post_visibility = ' . ITEM_APPROVED . '
-			GROUP BY poster_id';
-		$result = $this->db->sql_query($sql);
-
-		$postcounts = array();
-		while ($row = $this->db->sql_fetchrow($result))
+			if ($data['post_postcount'])
+			{
+				$sql_data[$this->users_table] = ((!empty($sql_data[$this->users_table])) ? $sql_data[$this->users_table] . ', ' : '') . 'user_posts = user_posts - 1';
+			}
+		}
+		else if ($data['topic_visibility'] == ITEM_UNAPPROVED || $data['post_visibility'] == ITEM_REAPPROVE)
 		{
-			$postcounts[(int) $row['num_posts']][] = (int) $row['poster_id'];
+			$sql_data[FORUMS_TABLE] .= 'forum_posts_unapproved = forum_posts_unapproved - 1, forum_topics_unapproved = forum_topics_unapproved - 1';
 		}
-		$this->db->sql_freeresult($result);
-
-		// Decrement users post count
-		foreach ($postcounts as $num_posts => $poster_ids)
+		else if ($data['topic_visibility'] == ITEM_DELETED)
 		{
-			$sql = 'UPDATE ' . $this->users_table . '
-				SET user_posts = 0
-				WHERE user_posts < ' . $num_posts . '
-					AND ' . $this->db->sql_in_set('user_id', $poster_ids);
-			$this->db->sql_query($sql);
-
-			$sql = 'UPDATE ' . $this->users_table . '
-				SET user_posts = user_posts - ' . $num_posts . '
-				WHERE user_posts >= ' . $num_posts . '
-					AND ' . $this->db->sql_in_set('user_id', $poster_ids);
-			$this->db->sql_query($sql);
+			$sql_data[FORUMS_TABLE] .= 'forum_posts_softdeleted = forum_posts_softdeleted - 1, forum_topics_softdeleted = forum_topics_softdeleted - 1';
 		}
+
 	}
 }
diff --git a/phpBB/phpbb/notification/type/approve_post.php b/phpBB/phpbb/notification/type/approve_post.php
index 0aad19d6bf..22c9076adc 100644
--- a/phpBB/phpbb/notification/type/approve_post.php
+++ b/phpBB/phpbb/notification/type/approve_post.php
@@ -81,14 +81,7 @@ class approve_post extends \phpbb\notification\type\post
 		$users = array();
 		$users[$post['poster_id']] = array('');
 
-		$auth_read = $this->auth->acl_get_list(array_keys($users), 'f_read', $post['forum_id']);
-
-		if (empty($auth_read))
-		{
-			return array();
-		}
-
-		return $this->check_user_notification_options($auth_read[$post['forum_id']]['f_read'], array_merge($options, array(
+		return $this->get_authorised_recipients(array_keys($users), $post['forum_id'], array_merge($options, array(
 			'item_type'		=> self::$notification_option['id'],
 		)));
 	}
diff --git a/phpBB/phpbb/notification/type/approve_topic.php b/phpBB/phpbb/notification/type/approve_topic.php
index e649f3920e..77e53a0064 100644
--- a/phpBB/phpbb/notification/type/approve_topic.php
+++ b/phpBB/phpbb/notification/type/approve_topic.php
@@ -81,14 +81,7 @@ class approve_topic extends \phpbb\notification\type\topic
 		$users = array();
 		$users[$post['poster_id']] = array('');
 
-		$auth_read = $this->auth->acl_get_list(array_keys($users), 'f_read', $post['forum_id']);
-
-		if (empty($auth_read))
-		{
-			return array();
-		}
-
-		return $this->check_user_notification_options($auth_read[$post['forum_id']]['f_read'], array_merge($options, array(
+		return $this->get_authorised_recipients(array_keys($users), $post['forum_id'], array_merge($options, array(
 			'item_type'		=> self::$notification_option['id'],
 		)));
 	}
diff --git a/phpBB/phpbb/notification/type/base.php b/phpBB/phpbb/notification/type/base.php
index a11ad76db9..4ead06071e 100644
--- a/phpBB/phpbb/notification/type/base.php
+++ b/phpBB/phpbb/notification/type/base.php
@@ -533,4 +533,37 @@ abstract class base implements \phpbb\notification\type\type_interface
 			WHERE ' . $where;
 		$this->db->sql_query($sql);
 	}
+
+	/**
+	 * Get a list of users that are authorised to receive notifications
+	 *
+	 * @param array $users Array of users that have subscribed to a notification
+	 * @param int $forum_id Forum ID of the forum
+	 * @param array $options Array of notification options
+	 * @param bool $sort Whether the users array should be sorted. Default: false
+	 * @return array Array of users that are authorised recipients
+	 */
+	protected function get_authorised_recipients($users, $forum_id, $options, $sort = false)
+	{
+		if (empty($users))
+		{
+			return array();
+		}
+
+		$users = array_unique($users);
+
+		if ($sort)
+		{
+			sort($users);
+		}
+
+		$auth_read = $this->auth->acl_get_list($users, 'f_read', $forum_id);
+
+		if (empty($auth_read))
+		{
+			return array();
+		}
+
+		return $this->check_user_notification_options($auth_read[$forum_id]['f_read'], $options);
+	}
 }
diff --git a/phpBB/phpbb/notification/type/bookmark.php b/phpBB/phpbb/notification/type/bookmark.php
index c83288cfb8..21180b3b53 100644
--- a/phpBB/phpbb/notification/type/bookmark.php
+++ b/phpBB/phpbb/notification/type/bookmark.php
@@ -83,21 +83,13 @@ class bookmark extends \phpbb\notification\type\post
 		}
 		$this->db->sql_freeresult($result);
 
-		if (empty($users))
-		{
-			return array();
-		}
-		sort($users);
+		$notify_users = $this->get_authorised_recipients($users, $post['forum_id'], $options, true);
 
-		$auth_read = $this->auth->acl_get_list($users, 'f_read', $post['forum_id']);
-
-		if (empty($auth_read))
+		if (empty($notify_users))
 		{
 			return array();
 		}
 
-		$notify_users = $this->check_user_notification_options($auth_read[$post['forum_id']]['f_read'], $options);
-
 		// Try to find the users who already have been notified about replies and have not read the topic since and just update their notifications
 		$update_notifications = array();
 		$sql = 'SELECT n.*
diff --git a/phpBB/phpbb/notification/type/post.php b/phpBB/phpbb/notification/type/post.php
index 357176ec35..1eba4a6a88 100644
--- a/phpBB/phpbb/notification/type/post.php
+++ b/phpBB/phpbb/notification/type/post.php
@@ -123,23 +123,13 @@ class post extends \phpbb\notification\type\base
 		}
 		$this->db->sql_freeresult($result);
 
-		if (empty($users))
-		{
-			return array();
-		}
+		$notify_users = $this->get_authorised_recipients($users, $post['forum_id'], $options, true);
 
-		$users = array_unique($users);
-		sort($users);
-
-		$auth_read = $this->auth->acl_get_list($users, 'f_read', $post['forum_id']);
-
-		if (empty($auth_read))
+		if (empty($notify_users))
 		{
 			return array();
 		}
 
-		$notify_users = $this->check_user_notification_options($auth_read[$post['forum_id']]['f_read'], $options);
-
 		// Try to find the users who already have been notified about replies and have not read the topic since and just update their notifications
 		$update_notifications = array();
 		$sql = 'SELECT n.*
diff --git a/phpBB/phpbb/notification/type/quote.php b/phpBB/phpbb/notification/type/quote.php
index 6e672e6fbd..5c3c822ec2 100644
--- a/phpBB/phpbb/notification/type/quote.php
+++ b/phpBB/phpbb/notification/type/quote.php
@@ -102,22 +102,7 @@ class quote extends \phpbb\notification\type\post
 		}
 		$this->db->sql_freeresult($result);
 
-		if (empty($users))
-		{
-			return array();
-		}
-		sort($users);
-
-		$auth_read = $this->auth->acl_get_list($users, 'f_read', $post['forum_id']);
-
-		if (empty($auth_read))
-		{
-			return array();
-		}
-
-		$notify_users = $this->check_user_notification_options($auth_read[$post['forum_id']]['f_read'], $options);
-
-		return $notify_users;
+		return $this->get_authorised_recipients($users, $post['forum_id'], $options, true);
 	}
 
 	/**
diff --git a/phpBB/phpbb/notification/type/topic.php b/phpBB/phpbb/notification/type/topic.php
index 289e45bedb..af199fb765 100644
--- a/phpBB/phpbb/notification/type/topic.php
+++ b/phpBB/phpbb/notification/type/topic.php
@@ -111,19 +111,7 @@ class topic extends \phpbb\notification\type\base
 		}
 		$this->db->sql_freeresult($result);
 
-		if (empty($users))
-		{
-			return array();
-		}
-
-		$auth_read = $this->auth->acl_get_list($users, 'f_read', $topic['forum_id']);
-
-		if (empty($auth_read))
-		{
-			return array();
-		}
-
-		return $this->check_user_notification_options($auth_read[$topic['forum_id']]['f_read'], $options);
+		return $this->get_authorised_recipients($users, $topic['forum_id'], $options);
 	}
 
 	/**