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Diffstat (limited to 'phpBB/phpbb/notification/manager.php')
| -rw-r--r-- | phpBB/phpbb/notification/manager.php | 980 | 
1 files changed, 980 insertions, 0 deletions
diff --git a/phpBB/phpbb/notification/manager.php b/phpBB/phpbb/notification/manager.php new file mode 100644 index 0000000000..aa52eb61d0 --- /dev/null +++ b/phpBB/phpbb/notification/manager.php @@ -0,0 +1,980 @@ +<?php +/** +* +* This file is part of the phpBB Forum Software package. +* +* @copyright (c) phpBB Limited <https://www.phpbb.com> +* @license GNU General Public License, version 2 (GPL-2.0) +* +* For full copyright and license information, please see +* the docs/CREDITS.txt file. +* +*/ + +namespace phpbb\notification; + +use Symfony\Component\DependencyInjection\ContainerInterface; + +/** +* Notifications service class +*/ +class manager +{ +	/** @var array */ +	protected $notification_types; + +	/** @var array */ +	protected $subscription_types; + +	/** @var array */ +	protected $notification_methods; + +	/** @var ContainerInterface */ +	protected $phpbb_container; + +	/** @var \phpbb\user_loader */ +	protected $user_loader; + +	/** @var \phpbb\config\config */ +	protected $config; + +	/** @var \phpbb\event\dispatcher */ +	protected $phpbb_dispatcher; + +	/** @var \phpbb\db\driver\driver_interface */ +	protected $db; + +	/** @var \phpbb\cache\service */ +	protected $cache; + +	/** @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 ContainerInterface $phpbb_container +	* @param \phpbb\user_loader $user_loader +	* @param \phpbb\config\config $config +	* @param \phpbb\event\dispatcher $phpbb_dispatcher +	* @param \phpbb\db\driver\driver_interface $db +	* @param \phpbb\cache\service $cache +	* @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, ContainerInterface $phpbb_container, \phpbb\user_loader $user_loader, \phpbb\config\config $config, \phpbb\event\dispatcher $phpbb_dispatcher, \phpbb\db\driver\driver_interface $db, \phpbb\cache\service $cache, $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->config = $config; +		$this->phpbb_dispatcher = $phpbb_dispatcher; +		$this->db = $db; +		$this->cache = $cache; +		$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_id = n.notification_type_id +					AND nt.notification_type_enabled = 1'; +			$result = $this->db->sql_query($sql); +			$unread_count = (int) $this->db->sql_fetchfield('unread_count'); +			$this->db->sql_freeresult($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_id = n.notification_type_id +					AND nt.notification_type_enabled = 1'; +			$result = $this->db->sql_query($sql); +			$total_count = (int) $this->db->sql_fetchfield('total_count'); +			$this->db->sql_freeresult($result); +		} + +		if (!$options['count_total'] || $total_count) +		{ +			$rowset = array(); + +			// Get the main notifications +			$sql = 'SELECT n.*, nt.notification_type_name +				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_id = n.notification_type_id +					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.*, nt.notification_type_name +				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_id = n.notification_type_id +						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['notification_type_name'], $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['notification_type_name']])) +				{ +					$load_special[$row['notification_type_name']] = array(); +				} +				$load_special[$row['notification_type_name']] = array_merge($load_special[$row['notification_type_name']], $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 $notification_type_name 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 $time Time at which to mark all notifications prior to as read. False to mark all as read. (Default: False) +	*/ +	public function mark_notifications_read($notification_type_name, $item_id, $user_id, $time = false) +	{ +		$time = ($time !== false) ? $time : time(); + +		$sql = 'UPDATE ' . $this->notifications_table . " +			SET notification_read = 1 +			WHERE notification_time <= " . (int) $time . +				(($notification_type_name !== false) ? ' AND ' . +					(is_array($notification_type_name) ? $this->db->sql_in_set('notification_type_id', $this->get_notification_type_ids($notification_type_name)) : 'notification_type_id = ' . $this->get_notification_type_id($notification_type_name)) : '') . +				(($user_id !== false) ? ' AND ' . (is_array($user_id) ? $this->db->sql_in_set('user_id', $user_id) : 'user_id = ' . (int) $user_id) : '') . +				(($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 $notification_type_name 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 $time Time at which to mark all notifications prior to as read. False to mark all as read. (Default: False) +	*/ +	public function mark_notifications_read_by_parent($notification_type_name, $item_parent_id, $user_id, $time = false) +	{ +		$time = ($time !== false) ? $time : time(); + +		$sql = 'UPDATE ' . $this->notifications_table . " +			SET notification_read = 1 +			WHERE notification_time <= " . (int) $time . +				(($notification_type_name !== false) ? ' AND ' . +					(is_array($notification_type_name) ? $this->db->sql_in_set('notification_type_id', $this->get_notification_type_ids($notification_type_name)) : 'notification_type_id = ' . $this->get_notification_type_id($notification_type_name)) : '') . +				(($item_parent_id !== false) ? ' AND ' . (is_array($item_parent_id) ? $this->db->sql_in_set('item_parent_id', $item_parent_id, false, true) : '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 $notification_type_name 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 $options Optional options to control what notifications are loaded +	* 			ignore_users	array of data to specify which users should not receive certain types of notifications +	* @return array Information about what users were notified and how they were notified +	*/ +	public function add_notifications($notification_type_name, $data, array $options = array()) +	{ +		$options = array_merge(array( +			'ignore_users'		=> array(), +		), $options); + +		if (is_array($notification_type_name)) +		{ +			$notified_users = array(); +			$temp_options = $options; + +			foreach ($notification_type_name 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 = $this->get_item_type_class($notification_type_name)->get_item_id($data); + +		// find out which users want to receive this type of notification +		$notify_users = $this->get_item_type_class($notification_type_name)->find_users_for_notification($data, $options); + +		/** +		* Allow filtering the notify_users array for a notification that is about to be sent. +		* Here, $notify_users is already filtered by f_read and the ignored list included in the options variable +		* +		* @event core.notification_manager_add_notifications +		* @var	string	notification_type_name		The forum id from where the topic belongs +		* @var	array 	data						Data specific for the notification_type_name used will be inserted +		* @var	array 	notify_users				The array of userid that are going to be notified for this notification. Set to array() to cancel. +		* @var	array 	options						The options that were used when this method was called (read only) +		* +		* @since 3.1.3-RC1 +		*/ +		$vars = array( +			'notification_type_name', +			'data', +			'notify_users', +			'options', +		); +		extract($this->phpbb_dispatcher->trigger_event('core.notification_manager_add_notifications', compact($vars))); + +		$this->add_notifications_for_users($notification_type_name, $data, $notify_users); + +		return $notify_users; +	} + +	/** +	* Add a notification for specific users +	* +	* @param string|array $notification_type_name 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 $notify_users User list to notify +	*/ +	public function add_notifications_for_users($notification_type_name, $data, $notify_users) +	{ +		if (is_array($notification_type_name)) +		{ +			foreach ($notification_type_name as $type) +			{ +				$this->add_notifications_for_users($type, $data, $notify_users); +			} + +			return; +		} + +		$notification_type_id = $this->get_notification_type_id($notification_type_name); + +		$item_id = $this->get_item_type_class($notification_type_name)->get_item_id($data); + +		$user_ids = array(); +		$notification_objects = $notification_methods = array(); + +		// Never send notifications to the anonymous user! +		unset($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.notification_type_id = ' . (int) $notification_type_id . ' +				AND n.item_id = ' . (int) $item_id . ' +				AND nt.notification_type_id = n.notification_type_id +				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 = $this->get_item_type_class($notification_type_name); +		$pre_create_data = $notification->pre_create_insert_array($data, $notify_users); +		unset($notification); + +		$insert_buffer = new \phpbb\db\sql_insert_buffer($this->db, $this->notifications_table); + +		// Go through each user so we can insert a row in the DB and then notify them by their desired means +		foreach ($notify_users as $user => $methods) +		{ +			$notification = $this->get_item_type_class($notification_type_name); + +			$notification->user_id = (int) $user; + +			// Insert notification row using buffer. +			$insert_buffer->insert($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_buffer->flush(); + +		// 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 $notification_type_name Type identifier or array of item types (only acceptable if the $data is identical for the specified types) +	* @param array $data Data specific for this type that will be updated +	*/ +	public function update_notifications($notification_type_name, $data) +	{ +		if (is_array($notification_type_name)) +		{ +			foreach ($notification_type_name as $type) +			{ +				$this->update_notifications($type, $data); +			} + +			return; +		} + +		$notification = $this->get_item_type_class($notification_type_name); + +		// 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; +			} +		} + +		$notification_type_id = $this->get_notification_type_id($notification_type_name); +		$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 notification_type_id = ' . (int) $notification_type_id . ' +				AND item_id = ' . (int) $item_id; +		$this->db->sql_query($sql); +	} + +	/** +	* Delete a notification +	* +	* @param string|array $notification_type_name 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 mixed $parent_id Parent identifier within the type (or array of ids), used in combination with item_id if specified (Default: false; not checked) +	*/ +	public function delete_notifications($notification_type_name, $item_id, $parent_id = false) +	{ +		if (is_array($notification_type_name)) +		{ +			foreach ($notification_type_name as $type) +			{ +				$this->delete_notifications($type, $item_id, $parent_id); +			} + +			return; +		} + +		$notification_type_id = $this->get_notification_type_id($notification_type_name); + +		$sql = 'DELETE FROM ' . $this->notifications_table . ' +			WHERE notification_type_id = ' . (int) $notification_type_id . ' +				AND ' . (is_array($item_id) ? $this->db->sql_in_set('item_id', $item_id) : 'item_id = ' . (int) $item_id) . +				(($parent_id !== false) ? ' AND ' . ((is_array($parent_id) ? $this->db->sql_in_set('item_parent_id', $parent_id) : 'item_parent_id = ' . (int) $parent_id)) : ''); +		$this->db->sql_query($sql); +	} + +	/** +	* Get all of the subscription types +	* +	* @return array Array of item types +	*/ +	public function get_subscription_types() +	{ +		if ($this->subscription_types === null) +		{ +			$this->subscription_types = array(); + +			foreach ($this->notification_types as $type_name => $data) +			{ +				$type = $this->get_item_type_class($type_name); + +				if ($type instanceof \phpbb\notification\type\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())); + +					$this->subscription_types[$options['group']][$options['id']] = $options; +				} +			} + +			// Move Miscellaneous to the very last section +			if (isset($this->subscription_types['NOTIFICATION_GROUP_MISCELLANEOUS'])) +			{ +				$miscellaneous = $this->subscription_types['NOTIFICATION_GROUP_MISCELLANEOUS']; +				unset($this->subscription_types['NOTIFICATION_GROUP_MISCELLANEOUS']); +				$this->subscription_types['NOTIFICATION_GROUP_MISCELLANEOUS'] = $miscellaneous; +			} +		} + +		return $this->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\method_interface && $method->is_available()) +			{ +				$subscription_methods[$method_name] = array( +					'id'		=> $method->get_type(), +					'lang'		=> str_replace('.', '_', strtoupper($method->get_type())), +				); +			} +		} + +		return $subscription_methods; +	} + + +	/** +	* Get user's notification data +	* +	* @param int $user_id The user_id of the user to get the notifications for +	* +	* @return array User's notification +	*/ +	protected function get_user_notifications($user_id) +	{ +		$sql = 'SELECT method, notify, item_type +				FROM ' . $this->user_notifications_table . ' +				WHERE user_id = ' . (int) $user_id . ' +					AND item_id = 0'; + +		$result = $this->db->sql_query($sql); +		$user_notifications = array(); + +		while ($row = $this->db->sql_fetchrow($result)) +		{ +			$user_notifications[$row['item_type']][] = $row; +		} + +		$this->db->sql_freeresult($result); + +		return $user_notifications; +	} + +	/** +	* 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(); + +		$user_notifications = $this->get_user_notifications($user_id); + +		foreach ($this->get_subscription_types() as $types) +		{ +			foreach ($types as $id => $type) +			{ + +				if (empty($user_notifications[$id])) +				{ +					// No rows at all, default to '' +					$subscriptions[$id] = array(''); +				} +				else +				{ +					foreach ($user_notifications[$id] as $user_notification) +					{ +						if (!$user_notification['notify']) +						{ +							continue; +						} + +						if (!isset($subscriptions[$id])) +						{ +							$subscriptions[$id] = array(); +						} + +						$subscriptions[$id][] = $user_notification['method']; +					} +				} +			} +		} + +		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 !== '') +		{ +			// Make sure to subscribe them to the base subscription +			$this->add_subscription($item_type, $item_id, '', $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 $notification_type_name Type identifier of the subscription +	*/ +	public function disable_notifications($notification_type_name) +	{ +		$sql = 'UPDATE ' . $this->notification_types_table . " +			SET notification_type_enabled = 0 +			WHERE notification_type_name = '" . $this->db->sql_escape($notification_type_name) . "'"; +		$this->db->sql_query($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 $notification_type_name Type identifier of the subscription +	*/ +	public function purge_notifications($notification_type_name) +	{ +		// If a notification is never used, its type will not be added to the database +		// nor its id cached. If this method is called by an extension during the +		// purge step, and that extension never used its notifications, +		// get_notification_type_id() will throw an exception. However, +		// because no notification type was added to the database, +		// there is nothing to delete, so we can silently drop the exception. +		try +		{ +			$notification_type_id = $this->get_notification_type_id($notification_type_name); + +			$sql = 'DELETE FROM ' . $this->notifications_table . ' +				WHERE notification_type_id = ' . (int) $notification_type_id; +			$this->db->sql_query($sql); + +			$sql = 'DELETE FROM ' . $this->notification_types_table . ' +				WHERE notification_type_id = ' . (int) $notification_type_id; +			$this->db->sql_query($sql); + +			$this->cache->destroy('notification_type_ids'); +		} +		catch (\phpbb\notification\exception $e) +		{ +			// Continue +		} +	} + +	/** +	* 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 $notification_type_name Type identifier of the subscription +	*/ +	public function enable_notifications($notification_type_name) +	{ +		$sql = 'UPDATE ' . $this->notification_types_table . " +			SET notification_type_enabled = 1 +			WHERE notification_type_name = '" . $this->db->sql_escape($notification_type_name) . "'"; +		$this->db->sql_query($sql); +	} + +	/** +	* Delete all notifications older than a certain time +	* +	* @param int $timestamp Unix timestamp to delete all notifications that were created before +	* @param bool $only_read True (default) to only prune read notifications +	*/ +	public function prune_notifications($timestamp, $only_read = true) +	{ +		$sql = 'DELETE FROM ' . $this->notifications_table . ' +			WHERE notification_time < ' . (int) $timestamp . +				(($only_read) ? ' AND notification_read = 1' : ''); +		$this->db->sql_query($sql); + +		$this->config->set('read_notification_last_gc', time(), false); +	} + +	/** +	* Helper to get the notifications item type class and set it up +	*/ +	public function get_item_type_class($notification_type_name, $data = array()) +	{ +		$item = $this->load_object($notification_type_name); + +		$item->set_initial_data($data); + +		return $item; +	} + +	/** +	* Helper to get the notifications method class and set it up +	*/ +	public function get_method_class($method_name) +	{ +		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; +	} + +	/** +	* Get the notification type id from the name +	* +	* @param string $notification_type_name The name +	* @return int the notification_type_id +	* @throws \phpbb\notification\exception +	*/ +	public function get_notification_type_id($notification_type_name) +	{ +		$notification_type_ids = $this->cache->get('notification_type_ids'); + +		if ($notification_type_ids === false) +		{ +			$notification_type_ids = array(); + +			$sql = 'SELECT notification_type_id, notification_type_name +				FROM ' . $this->notification_types_table; +			$result = $this->db->sql_query($sql); +			while ($row = $this->db->sql_fetchrow($result)) +			{ +				$notification_type_ids[$row['notification_type_name']] = (int) $row['notification_type_id']; +			} +			$this->db->sql_freeresult($result); + +			$this->cache->put('notification_type_ids', $notification_type_ids); +		} + +		if (!isset($notification_type_ids[$notification_type_name])) +		{ +			if (!isset($this->notification_types[$notification_type_name]) && !isset($this->notification_types['notification.type.' . $notification_type_name])) +			{ +				throw new \phpbb\notification\exception($this->user->lang('NOTIFICATION_TYPE_NOT_EXIST', $notification_type_name)); +			} + +			$sql = 'INSERT INTO ' . $this->notification_types_table . ' ' . $this->db->sql_build_array('INSERT', array( +				'notification_type_name'		=> $notification_type_name, +				'notification_type_enabled'		=> 1, +			)); +			$this->db->sql_query($sql); + +			$notification_type_ids[$notification_type_name] = (int) $this->db->sql_nextid(); + +			$this->cache->put('notification_type_ids', $notification_type_ids); +		} + +		return $notification_type_ids[$notification_type_name]; +	} + +	/** +	* Get notification type ids (as an array) +	* +	* @param array $notification_type_names Array of strings +	* @return array Array of integers +	*/ +	public function get_notification_type_ids(array $notification_type_names) +	{ +		$notification_type_ids = array(); + +		foreach ($notification_type_names as $name) +		{ +			$notification_type_ids[$name] = $this->get_notification_type_id($name); +		} + +		return $notification_type_ids; +	} +}  | 
