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-rw-r--r--phpBB/includes/notification/manager.php853
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diff --git a/phpBB/includes/notification/manager.php b/phpBB/includes/notification/manager.php
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+<?php
+/**
+*
+* @package notifications
+* @copyright (c) 2012 phpBB Group
+* @license http://opensource.org/licenses/gpl-2.0.php GNU General Public License v2
+*
+*/
+
+/**
+* @ignore
+*/
+if (!defined('IN_PHPBB'))
+{
+ exit;
+}
+
+/**
+* Notifications service class
+* @package notifications
+*/
+class phpbb_notification_manager
+{
+ /** @var array */
+ protected $notification_types;
+
+ /** @var array */
+ protected $notification_methods;
+
+ /** @var ContainerBuilder */
+ protected $phpbb_container;
+
+ /** @var phpbb_user_loader */
+ protected $user_loader;
+
+ /** @var phpbb_db_driver */
+ protected $db;
+
+ /** @var phpbb_user */
+ protected $user;
+
+ /** @var string */
+ protected $phpbb_root_path;
+
+ /** @var string */
+ protected $php_ext;
+
+ /** @var string */
+ protected $notification_types_table;
+
+ /** @var string */
+ protected $notifications_table;
+
+ /** @var string */
+ protected $user_notifications_table;
+
+ /**
+ * Notification Constructor
+ *
+ * @param array $notification_types
+ * @param array $notification_methods
+ * @param ContainerBuilder $phpbb_container
+ * @param phpbb_user_loader $user_loader
+ * @param phpbb_db_driver $db
+ * @param phpbb_user $user
+ * @param string $phpbb_root_path
+ * @param string $php_ext
+ * @param string $notification_types_table
+ * @param string $notifications_table
+ * @param string $user_notifications_table
+ * @return phpbb_notification_manager
+ */
+ public function __construct($notification_types, $notification_methods, $phpbb_container, phpbb_user_loader $user_loader, phpbb_db_driver $db, $user, $phpbb_root_path, $php_ext, $notification_types_table, $notifications_table, $user_notifications_table)
+ {
+ $this->notification_types = $notification_types;
+ $this->notification_methods = $notification_methods;
+ $this->phpbb_container = $phpbb_container;
+
+ $this->user_loader = $user_loader;
+ $this->db = $db;
+ $this->user = $user;
+
+ $this->phpbb_root_path = $phpbb_root_path;
+ $this->php_ext = $php_ext;
+
+ $this->notification_types_table = $notification_types_table;
+ $this->notifications_table = $notifications_table;
+ $this->user_notifications_table = $user_notifications_table;
+ }
+
+ /**
+ * Load the user's notifications
+ *
+ * @param array $options Optional options to control what notifications are loaded
+ * notification_id Notification id to load (or array of notification ids)
+ * user_id User id to load notifications for (Default: $user->data['user_id'])
+ * order_by Order by (Default: notification_time)
+ * order_dir Order direction (Default: DESC)
+ * limit Number of notifications to load (Default: 5)
+ * start Notifications offset (Default: 0)
+ * all_unread Load all unread notifications? If set to true, count_unread is set to true (Default: false)
+ * count_unread Count all unread notifications? (Default: false)
+ * count_total Count all notifications? (Default: false)
+ * @return array Array of information based on the request with keys:
+ * 'notifications' array of notification type objects
+ * 'unread_count' number of unread notifications the user has if count_unread is true in the options
+ * 'total_count' number of notifications the user has if count_total is true in the options
+ */
+ public function load_notifications(array $options = array())
+ {
+ // Merge default options
+ $options = array_merge(array(
+ 'notification_id' => false,
+ 'user_id' => $this->user->data['user_id'],
+ 'order_by' => 'notification_time',
+ 'order_dir' => 'DESC',
+ 'limit' => 0,
+ 'start' => 0,
+ 'all_unread' => false,
+ 'count_unread' => false,
+ 'count_total' => false,
+ ), $options);
+
+ // If all_unread, count_unread must be true
+ $options['count_unread'] = ($options['all_unread']) ? true : $options['count_unread'];
+
+ // Anonymous users and bots never receive notifications
+ if ($options['user_id'] == $this->user->data['user_id'] && ($this->user->data['user_id'] == ANONYMOUS || $this->user->data['user_type'] == USER_IGNORE))
+ {
+ return array(
+ 'notifications' => array(),
+ 'unread_count' => 0,
+ 'total_count' => 0,
+ );
+ }
+
+ $notifications = $user_ids = array();
+ $load_special = array();
+ $total_count = $unread_count = 0;
+
+ if ($options['count_unread'])
+ {
+ // Get the total number of unread notifications
+ $sql = 'SELECT COUNT(n.notification_id) AS unread_count
+ FROM ' . $this->notifications_table . ' n, ' . $this->notification_types_table . ' nt
+ WHERE n.user_id = ' . (int) $options['user_id'] . '
+ AND n.notification_read = 0
+ AND nt.notification_type = n.item_type
+ AND nt.notification_type_enabled = 1';
+ $result = $this->db->sql_query($sql);
+ $unread_count = (int) $this->db->sql_fetchfield('unread_count', $result);
+ $this->db->sql_freeresult($result);
+ }
+
+ if ($options['count_total'])
+ {
+ // Get the total number of notifications
+ $sql = 'SELECT COUNT(n.notification_id) AS total_count
+ FROM ' . $this->notifications_table . ' n, ' . $this->notification_types_table . ' nt
+ WHERE n.user_id = ' . (int) $options['user_id'] . '
+ AND nt.notification_type = n.item_type
+ AND nt.notification_type_enabled = 1';
+ $result = $this->db->sql_query($sql);
+ $total_count = (int) $this->db->sql_fetchfield('total_count', $result);
+ $this->db->sql_freeresult($result);
+ }
+
+ if (!$options['count_total'] || $total_count)
+ {
+ $rowset = array();
+
+ // Get the main notifications
+ $sql = 'SELECT n.*
+ FROM ' . $this->notifications_table . ' n, ' . $this->notification_types_table . ' nt
+ WHERE n.user_id = ' . (int) $options['user_id'] .
+ (($options['notification_id']) ? ((is_array($options['notification_id'])) ? ' AND ' . $this->db->sql_in_set('n.notification_id', $options['notification_id']) : ' AND n.notification_id = ' . (int) $options['notification_id']) : '') . '
+ AND nt.notification_type = n.item_type
+ AND nt.notification_type_enabled = 1
+ ORDER BY n.' . $this->db->sql_escape($options['order_by']) . ' ' . $this->db->sql_escape($options['order_dir']);
+ $result = $this->db->sql_query_limit($sql, $options['limit'], $options['start']);
+
+ while ($row = $this->db->sql_fetchrow($result))
+ {
+ $rowset[$row['notification_id']] = $row;
+ }
+ $this->db->sql_freeresult($result);
+
+ // Get all unread notifications
+ if ($unread_count && $options['all_unread'] && !empty($rowset))
+ {
+ $sql = 'SELECT n.*
+ FROM ' . $this->notifications_table . ' n, ' . $this->notification_types_table . ' nt
+ WHERE n.user_id = ' . (int) $options['user_id'] . '
+ AND n.notification_read = 0
+ AND ' . $this->db->sql_in_set('n.notification_id', array_keys($rowset), true) . '
+ AND nt.notification_type = n.item_type
+ AND nt.notification_type_enabled = 1
+ ORDER BY n.' . $this->db->sql_escape($options['order_by']) . ' ' . $this->db->sql_escape($options['order_dir']);
+ $result = $this->db->sql_query_limit($sql, $options['limit'], $options['start']);
+
+ while ($row = $this->db->sql_fetchrow($result))
+ {
+ $rowset[$row['notification_id']] = $row;
+ }
+ $this->db->sql_freeresult($result);
+ }
+
+ foreach ($rowset as $row)
+ {
+ $notification = $this->get_item_type_class($row['item_type'], $row);
+
+ // Array of user_ids to query all at once
+ $user_ids = array_merge($user_ids, $notification->users_to_query());
+
+ // Some notification types also require querying additional tables themselves
+ if (!isset($load_special[$row['item_type']]))
+ {
+ $load_special[$row['item_type']] = array();
+ }
+ $load_special[$row['item_type']] = array_merge($load_special[$row['item_type']], $notification->get_load_special());
+
+ $notifications[$row['notification_id']] = $notification;
+ }
+
+ $this->user_loader->load_users($user_ids);
+
+ // Allow each type to load its own special items
+ foreach ($load_special as $item_type => $data)
+ {
+ $item_class = $this->get_item_type_class($item_type);
+
+ $item_class->load_special($data, $notifications);
+ }
+ }
+
+ return array(
+ 'notifications' => $notifications,
+ 'unread_count' => $unread_count,
+ 'total_count' => $total_count,
+ );
+ }
+
+ /**
+ * Mark notifications read
+ *
+ * @param bool|string|array $item_type Type identifier or array of item types (only acceptable if the $data is identical for the specified types). False to mark read for all item types
+ * @param bool|int|array $item_id Item id or array of item ids. False to mark read for all item ids
+ * @param bool|int|array $user_id User id or array of user ids. False to mark read for all user ids
+ * @param bool|int $time Time at which to mark all notifications prior to as read. False to mark all as read. (Default: False)
+ */
+ public function mark_notifications_read($item_type, $item_id, $user_id, $time = false)
+ {
+ $time = ($time !== false) ? $time : time();
+
+ $sql = 'UPDATE ' . $this->notifications_table . "
+ SET notification_read = 1
+ WHERE notification_time <= " . (int) $time .
+ (($item_type !== false) ? ' AND ' . (is_array($item_type) ? $this->db->sql_in_set('item_type', $item_type) : " item_type = '" . $this->db->sql_escape($item_type) . "'") : '') .
+ (($item_id !== false) ? ' AND ' . (is_array($item_id) ? $this->db->sql_in_set('item_id', $item_id) : 'item_id = ' . (int) $item_id) : '');
+ $this->db->sql_query($sql);
+ }
+
+ /**
+ * Mark notifications read from a parent identifier
+ *
+ * @param string|array $item_type Type identifier or array of item types (only acceptable if the $data is identical for the specified types)
+ * @param bool|int|array $item_parent_id Item parent id or array of item parent ids. False to mark read for all item parent ids
+ * @param bool|int|array $user_id User id or array of user ids. False to mark read for all user ids
+ * @param bool|int $time Time at which to mark all notifications prior to as read. False to mark all as read. (Default: False)
+ */
+ public function mark_notifications_read_by_parent($item_type, $item_parent_id, $user_id, $time = false)
+ {
+ if (is_array($item_type))
+ {
+ foreach ($item_type as $type)
+ {
+ $this->mark_notifications_read_by_parent($type, $item_parent_id, $user_id, $time);
+ }
+
+ return;
+ }
+
+ $time = ($time !== false) ? $time : time();
+
+ $sql = 'UPDATE ' . $this->notifications_table . "
+ SET notification_read = 1
+ WHERE item_type = '" . $this->db->sql_escape($item_type) . "'
+ AND notification_time <= " . (int) $time .
+ (($item_parent_id !== false) ? ' AND ' . (is_array($item_parent_id) ? $this->db->sql_in_set('item_parent_id', $item_parent_id) : 'item_parent_id = ' . (int) $item_parent_id) : '') .
+ (($user_id !== false) ? ' AND ' . (is_array($user_id) ? $this->db->sql_in_set('user_id', $user_id) : 'user_id = ' . (int) $user_id) : '');
+ $this->db->sql_query($sql);
+ }
+
+ /**
+ * Mark notifications read
+ *
+ * @param int|array $notification_id Notification id or array of notification ids.
+ * @param bool|int $time Time at which to mark all notifications prior to as read. False to mark all as read. (Default: False)
+ */
+ public function mark_notifications_read_by_id($notification_id, $time = false)
+ {
+ $time = ($time !== false) ? $time : time();
+
+ $sql = 'UPDATE ' . $this->notifications_table . "
+ SET notification_read = 1
+ WHERE notification_time <= " . (int) $time . '
+ AND ' . ((is_array($notification_id)) ? $this->db->sql_in_set('notification_id', $notification_id) : 'notification_id = ' . (int) $notification_id);
+ $this->db->sql_query($sql);
+ }
+
+ /**
+ * Add a notification
+ *
+ * @param string|array $item_type Type identifier or array of item types (only acceptable if the $data is identical for the specified types)
+ * Note: If you send an array of types, any user who could receive multiple notifications from this single item will only receive
+ * a single notification. If they MUST receive multiple notifications, call this function multiple times instead of sending an array
+ * @param array $data Data specific for this type that will be inserted
+ * @param array $options Optional options to control what notifications are loaded
+ * ignore_users array of data to specify which users should not receive certain types of notifications
+ * @return array Information about what users were notified and how they were notified
+ */
+ public function add_notifications($item_type, $data, array $options = array())
+ {
+ $options = array_merge(array(
+ 'ignore_users' => array(),
+ ), $options);
+
+ if (is_array($item_type))
+ {
+ $notified_users = array();
+ $temp_options = $options;
+
+ foreach ($item_type as $type)
+ {
+ $temp_options['ignore_users'] = $options['ignore_users'] + $notified_users;
+ $notified_users += $this->add_notifications($type, $data, $temp_options);
+ }
+
+ return $notified_users;
+ }
+
+ $item_id = $this->get_item_type_class($item_type)->get_item_id($data);
+
+ // find out which users want to receive this type of notification
+ $notify_users = $this->get_item_type_class($item_type)->find_users_for_notification($data, $options);
+
+ $this->add_notifications_for_users($item_type, $data, $notify_users);
+
+ return $notify_users;
+ }
+
+ /**
+ * Add a notification for specific users
+ *
+ * @param string|array $item_type Type identifier or array of item types (only acceptable if the $data is identical for the specified types)
+ * @param array $data Data specific for this type that will be inserted
+ * @param array $notify_users User list to notify
+ */
+ public function add_notifications_for_users($item_type, $data, $notify_users)
+ {
+ if (is_array($item_type))
+ {
+ foreach ($item_type as $type)
+ {
+ $this->add_notifications_for_users($type, $data, $notify_users);
+ }
+
+ return;
+ }
+
+ $sql = 'SELECT notification_type
+ FROM ' . $this->notification_types_table . "
+ WHERE notification_type = '" . $this->db->sql_escape($item_type) . "'";
+ $result = $this->db->sql_query($sql);
+
+ if ($this->db->sql_fetchrow($result) === false)
+ {
+ // Does not exist in the database, must add the item type
+ $sql = 'INSERT INTO ' . $this->notification_types_table . ' ' . $this->db->sql_build_array('INSERT', array(
+ 'notification_type' => $item_type,
+ 'notification_type_enabled' => 1,
+ ));
+ $this->db->sql_query($sql);
+ }
+
+ $this->db->sql_freeresult($result);
+
+ $item_id = $this->get_item_type_class($item_type)->get_item_id($data);
+
+ $user_ids = array();
+ $notification_objects = $notification_methods = array();
+ $new_rows = array();
+
+ // Never send notifications to the anonymous user!
+ unset($notify_users[ANONYMOUS]);
+
+ // Make sure not to send new notifications to users who've already been notified about this item
+ // This may happen when an item was added, but now new users are able to see the item
+ $sql = 'SELECT n.user_id
+ FROM ' . $this->notifications_table . ' n, ' . $this->notification_types_table . " nt
+ WHERE n.item_type = '" . $this->db->sql_escape($item_type) . "'
+ AND n.item_id = " . (int) $item_id . '
+ AND nt.notification_type = n.item_type
+ AND nt.notification_type_enabled = 1';
+ $result = $this->db->sql_query($sql);
+ while ($row = $this->db->sql_fetchrow($result))
+ {
+ unset($notify_users[$row['user_id']]);
+ }
+ $this->db->sql_freeresult($result);
+
+ if (!sizeof($notify_users))
+ {
+ return;
+ }
+
+ // Allow notifications to perform actions before creating the insert array (such as run a query to cache some data needed for all notifications)
+ $notification = $this->get_item_type_class($item_type);
+ $pre_create_data = $notification->pre_create_insert_array($data, $notify_users);
+ unset($notification);
+
+ // Go through each user so we can insert a row in the DB and then notify them by their desired means
+ foreach ($notify_users as $user => $methods)
+ {
+ $notification = $this->get_item_type_class($item_type);
+
+ $notification->user_id = (int) $user;
+
+ // Store the creation array in our new rows that will be inserted later
+ $new_rows[] = $notification->create_insert_array($data, $pre_create_data);
+
+ // Users are needed to send notifications
+ $user_ids = array_merge($user_ids, $notification->users_to_query());
+
+ foreach ($methods as $method)
+ {
+ // setup the notification methods and add the notification to the queue
+ if ($method) // blank means we just insert it as a notification, but do not notify them by any other means
+ {
+ if (!isset($notification_methods[$method]))
+ {
+ $notification_methods[$method] = $this->get_method_class($method);
+ }
+
+ $notification_methods[$method]->add_to_queue($notification);
+ }
+ }
+ }
+
+ // insert into the db
+ $this->db->sql_multi_insert($this->notifications_table, $new_rows);
+
+ // We need to load all of the users to send notifications
+ $this->user_loader->load_users($user_ids);
+
+ // run the queue for each method to send notifications
+ foreach ($notification_methods as $method)
+ {
+ $method->notify();
+ }
+ }
+
+ /**
+ * Update a notification
+ *
+ * @param string|array $item_type Type identifier or array of item types (only acceptable if the $data is identical for the specified types)
+ * @param array $data Data specific for this type that will be updated
+ */
+ public function update_notifications($item_type, $data)
+ {
+ if (is_array($item_type))
+ {
+ foreach ($item_type as $type)
+ {
+ $this->update_notifications($type, $data);
+ }
+
+ return;
+ }
+
+ $notification = $this->get_item_type_class($item_type);
+
+ // Allow the notifications class to over-ride the update_notifications functionality
+ if (method_exists($notification, 'update_notifications'))
+ {
+ // Return False to over-ride the rest of the update
+ if ($notification->update_notifications($data) === false)
+ {
+ return;
+ }
+ }
+
+ $item_id = $notification->get_item_id($data);
+ $update_array = $notification->create_update_array($data);
+
+ $sql = 'UPDATE ' . $this->notifications_table . '
+ SET ' . $this->db->sql_build_array('UPDATE', $update_array) . "
+ WHERE item_type = '" . $this->db->sql_escape($item_type) . "'
+ AND item_id = " . (int) $item_id;
+ $this->db->sql_query($sql);
+ }
+
+ /**
+ * Delete a notification
+ *
+ * @param string|array $item_type Type identifier or array of item types (only acceptable if the $item_id is identical for the specified types)
+ * @param int|array $item_id Identifier within the type (or array of ids)
+ * @param array $data Data specific for this type that will be updated
+ */
+ public function delete_notifications($item_type, $item_id)
+ {
+ if (is_array($item_type))
+ {
+ foreach ($item_type as $type)
+ {
+ $this->delete_notifications($type, $item_id);
+ }
+
+ return;
+ }
+
+ $sql = 'DELETE FROM ' . $this->notifications_table . "
+ WHERE item_type = '" . $this->db->sql_escape($item_type) . "'
+ AND " . (is_array($item_id) ? $this->db->sql_in_set('item_id', $item_id) : 'item_id = ' . (int) $item_id);
+ $this->db->sql_query($sql);
+ }
+
+ /**
+ * Get all of the subscription types
+ *
+ * @return array Array of item types
+ */
+ public function get_subscription_types()
+ {
+ $subscription_types = array();
+
+ foreach ($this->notification_types as $type_name => $data)
+ {
+ $type = $this->get_item_type_class($type_name);
+
+ if ($type instanceof phpbb_notification_type_interface && $type->is_available())
+ {
+ $options = array_merge(array(
+ 'id' => $type->get_type(),
+ 'lang' => 'NOTIFICATION_TYPE_' . strtoupper($type->get_type()),
+ 'group' => 'NOTIFICATION_GROUP_MISCELLANEOUS',
+ ), (($type::$notification_option !== false) ? $type::$notification_option : array()));
+
+ $subscription_types[$options['group']][$options['id']] = $options;
+ }
+ }
+
+ // Move Miscellaneous to the very last section
+ if (isset($subscription_types['NOTIFICATION_GROUP_MISCELLANEOUS']))
+ {
+ $miscellaneous = $subscription_types['NOTIFICATION_GROUP_MISCELLANEOUS'];
+ unset($subscription_types['NOTIFICATION_GROUP_MISCELLANEOUS']);
+ $subscription_types['NOTIFICATION_GROUP_MISCELLANEOUS'] = $miscellaneous;
+ }
+
+ return $subscription_types;
+ }
+
+ /**
+ * Get all of the subscription methods
+ *
+ * @return array Array of methods
+ */
+ public function get_subscription_methods()
+ {
+ $subscription_methods = array();
+
+ foreach ($this->notification_methods as $method_name => $data)
+ {
+ $method = $this->get_method_class($method_name);
+
+ if ($method instanceof phpbb_notification_method_interface && $method->is_available())
+ {
+ $subscription_methods[$method_name] = array(
+ 'id' => $method->get_type(),
+ 'lang' => 'NOTIFICATION_METHOD_' . strtoupper($method->get_type()),
+ );
+ }
+ }
+
+ return $subscription_methods;
+ }
+
+ /**
+ * Get global subscriptions (item_id = 0)
+ *
+ * @param bool|int $user_id The user_id to add the subscription for (bool false for current user)
+ *
+ * @return array Subscriptions
+ */
+ public function get_global_subscriptions($user_id = false)
+ {
+ $user_id = ($user_id === false) ? $this->user->data['user_id'] : $user_id;
+
+ $subscriptions = array();
+
+ foreach ($this->get_subscription_types() as $group_name => $types)
+ {
+ foreach ($types as $id => $type)
+ {
+ $sql = 'SELECT method, notify
+ FROM ' . $this->user_notifications_table . '
+ WHERE user_id = ' . (int) $user_id . "
+ AND item_type = '" . $this->db->sql_escape($id) . "'
+ AND item_id = 0";
+ $result = $this->db->sql_query($sql);
+
+ $row = $this->db->sql_fetchrow($result);
+ if (!$row)
+ {
+ // No rows at all, default to ''
+ $subscriptions[$id] = array('');
+ }
+ else
+ {
+ do
+ {
+ if (!$row['notify'])
+ {
+ continue;
+ }
+
+ if (!isset($subscriptions[$id]))
+ {
+ $subscriptions[$id] = array();
+ }
+
+ $subscriptions[$id][] = $row['method'];
+ }
+ while ($row = $this->db->sql_fetchrow($result));
+ }
+
+ $this->db->sql_freeresult($result);
+ }
+ }
+
+ return $subscriptions;
+ }
+
+ /**
+ * Add a subscription
+ *
+ * @param string $item_type Type identifier of the subscription
+ * @param int $item_id The id of the item
+ * @param string $method The method of the notification e.g. '', 'email', or 'jabber'
+ * @param bool|int $user_id The user_id to add the subscription for (bool false for current user)
+ */
+ public function add_subscription($item_type, $item_id = 0, $method = '', $user_id = false)
+ {
+ if ($method !== '')
+ {
+ $this->add_subscription($item_type, $item_type, '', $user_id);
+ }
+
+ $user_id = ($user_id === false) ? $this->user->data['user_id'] : $user_id;
+
+ $sql = 'SELECT notify
+ FROM ' . $this->user_notifications_table . "
+ WHERE item_type = '" . $this->db->sql_escape($item_type) . "'
+ AND item_id = " . (int) $item_id . '
+ AND user_id = ' .(int) $user_id . "
+ AND method = '" . $this->db->sql_escape($method) . "'";
+ $this->db->sql_query($sql);
+ $current = $this->db->sql_fetchfield('notify');
+ $this->db->sql_freeresult();
+
+ if ($current === false)
+ {
+ $sql = 'INSERT INTO ' . $this->user_notifications_table . ' ' .
+ $this->db->sql_build_array('INSERT', array(
+ 'item_type' => $item_type,
+ 'item_id' => (int) $item_id,
+ 'user_id' => (int) $user_id,
+ 'method' => $method,
+ 'notify' => 1,
+ ));
+ $this->db->sql_query($sql);
+ }
+ else if (!$current)
+ {
+ $sql = 'UPDATE ' . $this->user_notifications_table . "
+ SET notify = 1
+ WHERE item_type = '" . $this->db->sql_escape($item_type) . "'
+ AND item_id = " . (int) $item_id . '
+ AND user_id = ' .(int) $user_id . "
+ AND method = '" . $this->db->sql_escape($method) . "'";
+ $this->db->sql_query($sql);
+ }
+ }
+
+ /**
+ * Delete a subscription
+ *
+ * @param string $item_type Type identifier of the subscription
+ * @param int $item_id The id of the item
+ * @param string $method The method of the notification e.g. '', 'email', or 'jabber'
+ * @param bool|int $user_id The user_id to add the subscription for (bool false for current user)
+ */
+ public function delete_subscription($item_type, $item_id = 0, $method = '', $user_id = false)
+ {
+ $user_id = ($user_id === false) ? $this->user->data['user_id'] : $user_id;
+
+ // If no method, make sure that no other notification methods for this item are selected before deleting
+ if ($method === '')
+ {
+ $sql = 'SELECT COUNT(*) as num_notifications
+ FROM ' . $this->user_notifications_table . "
+ WHERE item_type = '" . $this->db->sql_escape($item_type) . "'
+ AND item_id = " . (int) $item_id . '
+ AND user_id = ' .(int) $user_id . "
+ AND method <> ''
+ AND notify = 1";
+ $this->db->sql_query($sql);
+ $num_notifications = $this->db->sql_fetchfield('num_notifications');
+ $this->db->sql_freeresult();
+
+ if ($num_notifications)
+ {
+ return;
+ }
+ }
+
+ $sql = 'UPDATE ' . $this->user_notifications_table . "
+ SET notify = 0
+ WHERE item_type = '" . $this->db->sql_escape($item_type) . "'
+ AND item_id = " . (int) $item_id . '
+ AND user_id = ' .(int) $user_id . "
+ AND method = '" . $this->db->sql_escape($method) . "'";
+ $this->db->sql_query($sql);
+
+ if (!$this->db->sql_affectedrows())
+ {
+ $sql = 'INSERT INTO ' . $this->user_notifications_table . ' ' .
+ $this->db->sql_build_array('INSERT', array(
+ 'item_type' => $item_type,
+ 'item_id' => (int) $item_id,
+ 'user_id' => (int) $user_id,
+ 'method' => $method,
+ 'notify' => 0,
+ ));
+ $this->db->sql_query($sql);
+ }
+ }
+
+ /**
+ * Disable all notifications of a certain type
+ *
+ * This should be called when an extension which has notification types
+ * is disabled so that all those notifications are hidden and do not
+ * cause errors
+ *
+ * @param string $item_type Type identifier of the subscription
+ */
+ public function disable_notifications($item_type)
+ {
+ $sql = 'UPDATE ' . $this->notification_types_table . "
+ SET notification_type_enabled = 0
+ WHERE notification_type = '" . $this->db->sql_escape($item_type) . "'";
+ $this->db->sql_query($sql);
+ }
+
+ /**
+ * Purge all notifications of a certain type
+ *
+ * This should be called when an extension which has notification types
+ * is purged so that all those notifications are removed
+ *
+ * @param string $item_type Type identifier of the subscription
+ */
+ public function purge_notifications($item_type)
+ {
+ $sql = 'DELETE FROM ' . $this->notifications_table . "
+ WHERE item_type = '" . $this->db->sql_escape($item_type) . "'";
+ $this->db->sql_query($sql);
+
+ $sql = 'DELETE FROM ' . $this->notification_types_table . "
+ WHERE notification_type = '" . $this->db->sql_escape($item_type) . "'";
+ $this->db->sql_query($sql);
+ }
+
+ /**
+ * Enable all notifications of a certain type
+ *
+ * This should be called when an extension which has notification types
+ * that was disabled is re-enabled so that all those notifications that
+ * were hidden are shown again
+ *
+ * @param string $item_type Type identifier of the subscription
+ */
+ public function enable_notifications($item_type)
+ {
+ $sql = 'UPDATE ' . $this->notification_types_table . "
+ SET notification_type_enabled = 1
+ WHERE notification_type = '" . $this->db->sql_escape($item_type) . "'";
+ $this->db->sql_query($sql);
+ }
+
+ /**
+ * Delete all notifications older than a certain time
+ *
+ * @param int $timestamp Unix timestamp to delete all notifications that were created before
+ */
+ public function prune_notifications($timestamp)
+ {
+ $sql = 'DELETE FROM ' . $this->notifications_table . '
+ WHERE notification_time < ' . (int) $timestamp;
+ $this->db->sql_query($sql);
+ }
+
+ /**
+ * Helper to get the notifications item type class and set it up
+ */
+ public function get_item_type_class($item_type, $data = array())
+ {
+ $item_type = (strpos($item_type, 'notification.type.') === 0) ? $item_type : 'notification.type.' . $item_type;
+
+ $item = $this->load_object($item_type);
+
+ $item->set_initial_data($data);
+
+ return $item;
+ }
+
+ /**
+ * Helper to get the notifications method class and set it up
+ */
+ public function get_method_class($method_name)
+ {
+ $method_name = (strpos($method_name, 'notification.method.') === 0) ? $method_name : 'notification.method.' . $method_name;
+
+ return $this->load_object($method_name);
+ }
+
+ /**
+ * Helper to load objects (notification types/methods)
+ */
+ protected function load_object($object_name)
+ {
+ $object = $this->phpbb_container->get($object_name);
+
+ if (method_exists($object, 'set_notification_manager'))
+ {
+ $object->set_notification_manager($this);
+ }
+
+ return $object;
+ }
+}