diff options
Diffstat (limited to 'engine/lib/river2.php')
-rw-r--r-- | engine/lib/river2.php | 596 |
1 files changed, 298 insertions, 298 deletions
diff --git a/engine/lib/river2.php b/engine/lib/river2.php index dd0d2f76f..1a982e6a4 100644 --- a/engine/lib/river2.php +++ b/engine/lib/river2.php @@ -1,301 +1,301 @@ -<?php
-
- /**
- * Elgg river 2.0.
- * Functions for listening for and generating the river separately from the system log.
- *
- * @package Elgg
- * @subpackage Core
+<?php - * @author Curverider Ltd
+ /** + * Elgg river 2.0. + * Functions for listening for and generating the river separately from the system log. + * + * @package Elgg + * @subpackage Core + + * @author Curverider Ltd + + * @link http://elgg.org/ + */ + + /** + * Adds an item to the river. + * + * @param string $view The view that will handle the river item (must exist) + * @param string $action_type An arbitrary one-word string to define the action (eg 'comment', 'create') + * @param int $subject_guid The GUID of the entity doing the action + * @param int $object_guid The GUID of the entity being acted upon + * @param int $access_id The access ID of the river item (default: same as the object) + * @param int $posted The UNIX epoch timestamp of the river item (default: now) + * @return true|false Depending on success + */ + function add_to_river( + $view, + $action_type, + $subject_guid, + $object_guid, + $access_id = "", + $posted = 0 + ) { + + // Sanitise variables + if (!elgg_view_exists($view)) return false; + if (!($subject = get_entity($subject_guid))) return false; + if (!($object = get_entity($object_guid))) return false; + if (empty($action_type)) return false; + if ($posted == 0) $posted = time(); + if ($access_id === "") $access_id = $object->access_id; + + $type = $object->getType(); + $subtype = $object->getSubtype(); + + $action_type = sanitise_string($action_type); + + // Load config + global $CONFIG; + + // Attempt to save river item; return success status + return insert_data("insert into {$CONFIG->dbprefix}river " . + " set type = '{$type}', " . + " subtype = '{$subtype}', " . + " action_type = '{$action_type}', " . + " access_id = {$access_id}, " . + " view = '{$view}', " . + " subject_guid = {$subject_guid}, " . + " object_guid = {$object_guid}, " . + " posted = {$posted} "); + + } + + /** + * Removes all items relating to a particular acting entity from the river + * + * @param int $subject_guid The GUID of the entity + * @return true|false Depending on success + */ + function remove_from_river_by_subject( + $subject_guid + ) { + + // Sanitise + $subject_guid = (int) $subject_guid; + + // Load config + global $CONFIG; + + // Remove + return delete_data("delete from {$CONFIG->dbprefix}river where subject_guid = {$subject_guid}"); + + } + + /** + * Removes all items relating to a particular entity being acted upon from the river + * + * @param int $object_guid The GUID of the entity + * @return true|false Depending on success + */ + function remove_from_river_by_object( + $object_guid + ) { + + // Sanitise + $object_guid = (int) $object_guid; + + // Load config + global $CONFIG; + + // Remove + return delete_data("delete from {$CONFIG->dbprefix}river where object_guid = {$object_guid}"); + + } + + /** + * Sets the access ID on river items for a particular object + * + * @param int $object_guid The GUID of the entity + * @param int $access_id The access ID + * @return true|false Depending on success + */ + function update_river_access_by_object( + $object_guid, $access_id + ) { + + // Sanitise + $object_guid = (int) $object_guid; + $access_id = (int) $access_id; + + // Load config + global $CONFIG; + + // Remove + return update_data("update {$CONFIG->dbprefix}river set access_id = {$access_id} where object_guid = {$object_guid}"); + + } + + /** + * Retrieves items from the river. All parameters are optional. + * + * @param int|array $subject_guid Acting entity to restrict to. Default: all + * @param int|array $object_guid Entity being acted on to restrict to. Default: all + * @param string $subject_relationship If set to a relationship type, this will use $subject_guid as the starting point and set the subjects to be all users this entity has this relationship with (eg 'friend'). Default: blank + * @param string $type The type of entity to restrict to. Default: all + * @param string $subtype The subtype of entity to restrict to. Default: all + * @param string $action_type The type of river action to restrict to. Default: all + * @param int $limit The number of items to retrieve. Default: 20 + * @param int $offset The page offset. Default: 0 + * @param int $posted_min The minimum time period to look at. Default: none + * @param int $posted_max The maximum time period to look at. Default: none + * @return array|false Depending on success + */ + function get_river_items( + $subject_guid = 0, + $object_guid = 0, + $subject_relationship = '', + $type = '', + $subtype = '', + $action_type = '', + $limit = 20, + $offset = 0, + $posted_min = 0, + $posted_max = 0 + ) { + + // Get config + global $CONFIG; + + // Sanitise variables + if (!is_array($subject_guid)) { + $subject_guid = (int) $subject_guid; + } else { + foreach($subject_guid as $key => $temp) { + $subject_guid[$key] = (int) $temp; + } + } + if (!is_array($object_guid)) { + $object_guid = (int) $object_guid; + } else { + foreach($object_guid as $key => $temp) { + $object_guid[$key] = (int) $temp; + } + } + if (!empty($type)) $type = sanitise_string($type); + if (!empty($subtype)) $subtype = sanitise_string($subtype); + if (!empty($action_type)) $action_type = sanitise_string($action_type); + $limit = (int) $limit; + $offset = (int) $offset; + $posted_min = (int) $posted_min; + $posted_max = (int) $posted_max; + + // Construct 'where' clauses for the river + $where = array(); + $where[] = str_replace("and enabled='yes'",'',str_replace('owner_guid','subject_guid',get_access_sql_suffix())); + + if (empty($subject_relationship)) { + if (!empty($subject_guid)) + if (!is_array($subject_guid)) { + $where[] = " subject_guid = {$subject_guid} "; + } else { + $where[] = " subject_guid in (" . implode(',',$subject_guid) . ") "; + } + } else { + if (!is_array($subject_guid)) + if ($entities = get_entities_from_relationship($subject_relationship,$subject_guid,false,'','',0,'',9999)) { + $guids = array(); + foreach($entities as $entity) $guids[] = (int) $entity->guid; + // $guids[] = $subject_guid; + $where[] = " subject_guid in (" . implode(',',$guids) . ") "; + } else { + return array(); + } + } + if (!empty($object_guid)) + if (!is_array($object_guid)) { + $where[] = " object_guid = {$object_guid} "; + } else { + $where[] = " object_guid in (" . implode(',',$object_guid) . ") "; + } + if (!empty($type)) $where[] = " type = '{$type}' "; + if (!empty($subtype)) $where[] = " subtype = '{$subtype}' "; + if (!empty($action_type)) $where[] = " action_type = '{$action_type}' "; + if (!empty($posted_min)) $where[] = " posted > {$posted_min} "; + if (!empty($posted_max)) $where[] = " posted < {$posted_max} "; + + $whereclause = implode(' and ', $where); + + // Construct main SQL + $sql = "select id,type,subtype,action_type,access_id,view,subject_guid,object_guid,posted from {$CONFIG->dbprefix}river where {$whereclause} order by posted desc limit {$offset},{$limit}"; + + // Get data + return get_data($sql); + + } + + /** + * Returns a human-readable representation of a river item + * + * @see get_river_items + * + * @param stdClass $item A river item object as returned from get_river_items + * @return string|false Depending on success + */ + function elgg_view_river_item($item) { + if (isset($item->view)) { + + $object = get_entity($item->object_guid); + if (!$object) { + $body = elgg_view('river/item/noaccess'); + } else { + if (elgg_view_exists($item->view)) { + $body = elgg_view($item->view,array( + 'item' => $item + )); + } + } + return elgg_view('river/item/wrapper',array( + 'item' => $item, + 'body' => $body + )); + + } + return false; + } + + /** + * Returns a human-readable version of the river. + * + * @param int|array $subject_guid Acting entity to restrict to. Default: all + * @param int|array $object_guid Entity being acted on to restrict to. Default: all + * @param string $subject_relationship If set to a relationship type, this will use $subject_guid as the starting point and set the subjects to be all users this entity has this relationship with (eg 'friend'). Default: blank + * @param string $type The type of entity to restrict to. Default: all + * @param string $subtype The subtype of entity to restrict to. Default: all + * @param string $action_type The type of river action to restrict to. Default: all + * @param int $limit The number of items to retrieve. Default: 20 + * @param int $posted_min The minimum time period to look at. Default: none + * @param int $posted_max The maximum time period to look at. Default: none + * @return string Human-readable river. + */ + function elgg_view_river_items($subject_guid = 0, + $object_guid = 0, + $subject_relationship = '', + $type = '', + $subtype = '', + $action_type = '', + $limit = 20, + $posted_min = 0, + $posted_max = 0, + $pagination = true) { + + // Get input from outside world and sanitise it + $offset = (int) get_input('offset',0); + + // Get river items, if they exist + if ($riveritems = get_river_items($subject_guid,$object_guid,$subject_relationship,$type,$subtype,$action_type,($limit + 1),$offset,$posted_min,$posted_max)) { + + return elgg_view('river/item/list',array( + 'limit' => $limit, + 'offset' => $offset, + 'items' => $riveritems, + 'pagination' => $pagination + )); + + } + + return ''; + + } - * @link http://elgg.org/
- */
-
- /**
- * Adds an item to the river.
- *
- * @param string $view The view that will handle the river item (must exist)
- * @param string $action_type An arbitrary one-word string to define the action (eg 'comment', 'create')
- * @param int $subject_guid The GUID of the entity doing the action
- * @param int $object_guid The GUID of the entity being acted upon
- * @param int $access_id The access ID of the river item (default: same as the object)
- * @param int $posted The UNIX epoch timestamp of the river item (default: now)
- * @return true|false Depending on success
- */
- function add_to_river(
- $view,
- $action_type,
- $subject_guid,
- $object_guid,
- $access_id = "",
- $posted = 0
- ) {
-
- // Sanitise variables
- if (!elgg_view_exists($view)) return false;
- if (!($subject = get_entity($subject_guid))) return false;
- if (!($object = get_entity($object_guid))) return false;
- if (empty($action_type)) return false;
- if ($posted == 0) $posted = time();
- if ($access_id === "") $access_id = $object->access_id;
-
- $type = $object->getType();
- $subtype = $object->getSubtype();
-
- $action_type = sanitise_string($action_type);
-
- // Load config
- global $CONFIG;
-
- // Attempt to save river item; return success status
- return insert_data("insert into {$CONFIG->dbprefix}river " .
- " set type = '{$type}', " .
- " subtype = '{$subtype}', " .
- " action_type = '{$action_type}', " .
- " access_id = {$access_id}, " .
- " view = '{$view}', " .
- " subject_guid = {$subject_guid}, " .
- " object_guid = {$object_guid}, " .
- " posted = {$posted} ");
-
- }
-
- /**
- * Removes all items relating to a particular acting entity from the river
- *
- * @param int $subject_guid The GUID of the entity
- * @return true|false Depending on success
- */
- function remove_from_river_by_subject(
- $subject_guid
- ) {
-
- // Sanitise
- $subject_guid = (int) $subject_guid;
-
- // Load config
- global $CONFIG;
-
- // Remove
- return delete_data("delete from {$CONFIG->dbprefix}river where subject_guid = {$subject_guid}");
-
- }
-
- /**
- * Removes all items relating to a particular entity being acted upon from the river
- *
- * @param int $object_guid The GUID of the entity
- * @return true|false Depending on success
- */
- function remove_from_river_by_object(
- $object_guid
- ) {
-
- // Sanitise
- $object_guid = (int) $object_guid;
-
- // Load config
- global $CONFIG;
-
- // Remove
- return delete_data("delete from {$CONFIG->dbprefix}river where object_guid = {$object_guid}");
-
- }
-
- /**
- * Sets the access ID on river items for a particular object
- *
- * @param int $object_guid The GUID of the entity
- * @param int $access_id The access ID
- * @return true|false Depending on success
- */
- function update_river_access_by_object(
- $object_guid, $access_id
- ) {
-
- // Sanitise
- $object_guid = (int) $object_guid;
- $access_id = (int) $access_id;
-
- // Load config
- global $CONFIG;
-
- // Remove
- return update_data("update {$CONFIG->dbprefix}river set access_id = {$access_id} where object_guid = {$object_guid}");
-
- }
-
- /**
- * Retrieves items from the river. All parameters are optional.
- *
- * @param int|array $subject_guid Acting entity to restrict to. Default: all
- * @param int|array $object_guid Entity being acted on to restrict to. Default: all
- * @param string $subject_relationship If set to a relationship type, this will use $subject_guid as the starting point and set the subjects to be all users this entity has this relationship with (eg 'friend'). Default: blank
- * @param string $type The type of entity to restrict to. Default: all
- * @param string $subtype The subtype of entity to restrict to. Default: all
- * @param string $action_type The type of river action to restrict to. Default: all
- * @param int $limit The number of items to retrieve. Default: 20
- * @param int $offset The page offset. Default: 0
- * @param int $posted_min The minimum time period to look at. Default: none
- * @param int $posted_max The maximum time period to look at. Default: none
- * @return array|false Depending on success
- */
- function get_river_items(
- $subject_guid = 0,
- $object_guid = 0,
- $subject_relationship = '',
- $type = '',
- $subtype = '',
- $action_type = '',
- $limit = 20,
- $offset = 0,
- $posted_min = 0,
- $posted_max = 0
- ) {
-
- // Get config
- global $CONFIG;
-
- // Sanitise variables
- if (!is_array($subject_guid)) {
- $subject_guid = (int) $subject_guid;
- } else {
- foreach($subject_guid as $key => $temp) {
- $subject_guid[$key] = (int) $temp;
- }
- }
- if (!is_array($object_guid)) {
- $object_guid = (int) $object_guid;
- } else {
- foreach($object_guid as $key => $temp) {
- $object_guid[$key] = (int) $temp;
- }
- }
- if (!empty($type)) $type = sanitise_string($type);
- if (!empty($subtype)) $subtype = sanitise_string($subtype);
- if (!empty($action_type)) $action_type = sanitise_string($action_type);
- $limit = (int) $limit;
- $offset = (int) $offset;
- $posted_min = (int) $posted_min;
- $posted_max = (int) $posted_max;
-
- // Construct 'where' clauses for the river
- $where = array();
- $where[] = str_replace("and enabled='yes'",'',str_replace('owner_guid','subject_guid',get_access_sql_suffix()));
-
- if (empty($subject_relationship)) {
- if (!empty($subject_guid))
- if (!is_array($subject_guid)) {
- $where[] = " subject_guid = {$subject_guid} ";
- } else {
- $where[] = " subject_guid in (" . implode(',',$subject_guid) . ") ";
- }
- } else {
- if (!is_array($subject_guid))
- if ($entities = get_entities_from_relationship($subject_relationship,$subject_guid,false,'','',0,'',9999)) {
- $guids = array();
- foreach($entities as $entity) $guids[] = (int) $entity->guid;
- // $guids[] = $subject_guid;
- $where[] = " subject_guid in (" . implode(',',$guids) . ") ";
- } else {
- return array();
- }
- }
- if (!empty($object_guid))
- if (!is_array($object_guid)) {
- $where[] = " object_guid = {$object_guid} ";
- } else {
- $where[] = " object_guid in (" . implode(',',$object_guid) . ") ";
- }
- if (!empty($type)) $where[] = " type = '{$type}' ";
- if (!empty($subtype)) $where[] = " subtype = '{$subtype}' ";
- if (!empty($action_type)) $where[] = " action_type = '{$action_type}' ";
- if (!empty($posted_min)) $where[] = " posted > {$posted_min} ";
- if (!empty($posted_max)) $where[] = " posted < {$posted_max} ";
-
- $whereclause = implode(' and ', $where);
-
- // Construct main SQL
- $sql = "select id,type,subtype,action_type,access_id,view,subject_guid,object_guid,posted from {$CONFIG->dbprefix}river where {$whereclause} order by posted desc limit {$offset},{$limit}";
-
- // Get data
- return get_data($sql);
-
- }
-
- /**
- * Returns a human-readable representation of a river item
- *
- * @see get_river_items
- *
- * @param stdClass $item A river item object as returned from get_river_items
- * @return string|false Depending on success
- */
- function elgg_view_river_item($item) {
- if (isset($item->view)) {
-
- $object = get_entity($item->object_guid);
- if (!$object) {
- $body = elgg_view('river/item/noaccess');
- } else {
- if (elgg_view_exists($item->view)) {
- $body = elgg_view($item->view,array(
- 'item' => $item
- ));
- }
- }
- return elgg_view('river/item/wrapper',array(
- 'item' => $item,
- 'body' => $body
- ));
-
- }
- return false;
- }
-
- /**
- * Returns a human-readable version of the river.
- *
- * @param int|array $subject_guid Acting entity to restrict to. Default: all
- * @param int|array $object_guid Entity being acted on to restrict to. Default: all
- * @param string $subject_relationship If set to a relationship type, this will use $subject_guid as the starting point and set the subjects to be all users this entity has this relationship with (eg 'friend'). Default: blank
- * @param string $type The type of entity to restrict to. Default: all
- * @param string $subtype The subtype of entity to restrict to. Default: all
- * @param string $action_type The type of river action to restrict to. Default: all
- * @param int $limit The number of items to retrieve. Default: 20
- * @param int $posted_min The minimum time period to look at. Default: none
- * @param int $posted_max The maximum time period to look at. Default: none
- * @return string Human-readable river.
- */
- function elgg_view_river_items($subject_guid = 0,
- $object_guid = 0,
- $subject_relationship = '',
- $type = '',
- $subtype = '',
- $action_type = '',
- $limit = 20,
- $posted_min = 0,
- $posted_max = 0,
- $pagination = true) {
-
- // Get input from outside world and sanitise it
- $offset = (int) get_input('offset',0);
-
- // Get river items, if they exist
- if ($riveritems = get_river_items($subject_guid,$object_guid,$subject_relationship,$type,$subtype,$action_type,($limit + 1),$offset,$posted_min,$posted_max)) {
-
- return elgg_view('river/item/list',array(
- 'limit' => $limit,
- 'offset' => $offset,
- 'items' => $riveritems,
- 'pagination' => $pagination
- ));
-
- }
-
- return '';
-
- }
-
?>
\ No newline at end of file |