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-rw-r--r--engine/lib/metadata.php1102
1 files changed, 551 insertions, 551 deletions
diff --git a/engine/lib/metadata.php b/engine/lib/metadata.php
index 8a77b69fb..fae3e292b 100644
--- a/engine/lib/metadata.php
+++ b/engine/lib/metadata.php
@@ -1,72 +1,72 @@
-<?php
- /**
- * Elgg metadata
- * Functions to manage object metadata.
- *
- * @package Elgg
- * @subpackage Core
- * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
- * @author Curverider Ltd <info@elgg.com>
- * @copyright Curverider Ltd 2008-2009
- * @link http://elgg.org/
- */
-
- /**
- * ElggMetadata
- * This class describes metadata that can be attached to ElggEntities.
- *
- * @author Curverider Ltd <info@elgg.com>
- * @package Elgg
- * @subpackage Core
- */
- class ElggMetadata extends ElggExtender
- {
-
- /**
- * Construct a new site object, optionally from a given id value or row.
- *
- * @param mixed $id
- */
- function __construct($id = null)
- {
- $this->attributes = array();
-
- if (!empty($id)) {
-
- if ($id instanceof stdClass)
- $metadata = $id; // Create from db row
- else
- $metadata = get_metadata($id);
-
- if ($metadata) {
- $objarray = (array) $metadata;
- foreach($objarray as $key => $value) {
- $this->attributes[$key] = $value;
+<?php
+ /**
+ * Elgg metadata
+ * Functions to manage object metadata.
+ *
+ * @package Elgg
+ * @subpackage Core
+ * @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
+ * @author Curverider Ltd <info@elgg.com>
+ * @copyright Curverider Ltd 2008-2009
+ * @link http://elgg.org/
+ */
+
+ /**
+ * ElggMetadata
+ * This class describes metadata that can be attached to ElggEntities.
+ *
+ * @author Curverider Ltd <info@elgg.com>
+ * @package Elgg
+ * @subpackage Core
+ */
+ class ElggMetadata extends ElggExtender
+ {
+
+ /**
+ * Construct a new site object, optionally from a given id value or row.
+ *
+ * @param mixed $id
+ */
+ function __construct($id = null)
+ {
+ $this->attributes = array();
+
+ if (!empty($id)) {
+
+ if ($id instanceof stdClass)
+ $metadata = $id; // Create from db row
+ else
+ $metadata = get_metadata($id);
+
+ if ($metadata) {
+ $objarray = (array) $metadata;
+ foreach($objarray as $key => $value) {
+ $this->attributes[$key] = $value;
}
- $this->attributes['type'] = "metadata";
- }
- }
- }
-
- /**
- * Class member get overloading
- *
- * @param string $name
- * @return mixed
- */
- function __get($name) {
- return $this->get($name);
- }
-
- /**
- * Class member set overloading
- *
- * @param string $name
- * @param mixed $value
- * @return mixed
- */
- function __set($name, $value) {
- return $this->set($name, $value);
+ $this->attributes['type'] = "metadata";
+ }
+ }
+ }
+
+ /**
+ * Class member get overloading
+ *
+ * @param string $name
+ * @return mixed
+ */
+ function __get($name) {
+ return $this->get($name);
+ }
+
+ /**
+ * Class member set overloading
+ *
+ * @param string $name
+ * @param mixed $value
+ * @return mixed
+ */
+ function __set($name, $value) {
+ return $this->set($name, $value);
}
/**
@@ -81,87 +81,87 @@
}
return false;
- }
-
- /**
- * Save matadata object
- *
- * @return int the metadata object id
- */
- function save()
- {
- if ($this->id > 0)
- return update_metadata($this->id, $this->name, $this->value, $this->value_type, $this->owner_guid, $this->access_id);
- else
- {
- $this->id = create_metadata($this->entity_guid, $this->name, $this->value, $this->value_type, $this->owner_guid, $this->access_id);
- if (!$this->id) throw new IOException(sprintf(elgg_new('IOException:UnableToSaveNew'), get_class()));
- return $this->id;
- }
-
- }
-
- /**
- * Delete a given metadata.
- */
- function delete()
- {
- return delete_metadata($this->id);
- }
-
- /**
- * Get a url for this item of metadata.
- *
- * @return string
- */
- public function getURL() { return get_metadata_url($this->id); }
-
- // SYSTEM LOG INTERFACE ////////////////////////////////////////////////////////////
-
- /**
- * For a given ID, return the object associated with it.
- * This is used by the river functionality primarily.
- * This is useful for checking access permissions etc on objects.
- */
- public function getObjectFromID($id) { return get_metadata($id); }
+ }
+
+ /**
+ * Save matadata object
+ *
+ * @return int the metadata object id
+ */
+ function save()
+ {
+ if ($this->id > 0)
+ return update_metadata($this->id, $this->name, $this->value, $this->value_type, $this->owner_guid, $this->access_id);
+ else
+ {
+ $this->id = create_metadata($this->entity_guid, $this->name, $this->value, $this->value_type, $this->owner_guid, $this->access_id);
+ if (!$this->id) throw new IOException(sprintf(elgg_new('IOException:UnableToSaveNew'), get_class()));
+ return $this->id;
+ }
+
+ }
+
+ /**
+ * Delete a given metadata.
+ */
+ function delete()
+ {
+ return delete_metadata($this->id);
+ }
+
+ /**
+ * Get a url for this item of metadata.
+ *
+ * @return string
+ */
+ public function getURL() { return get_metadata_url($this->id); }
+
+ // SYSTEM LOG INTERFACE ////////////////////////////////////////////////////////////
+
+ /**
+ * For a given ID, return the object associated with it.
+ * This is used by the river functionality primarily.
+ * This is useful for checking access permissions etc on objects.
+ */
+ public function getObjectFromID($id) { return get_metadata($id); }
+ }
+
+ /**
+ * Convert a database row to a new ElggMetadata
+ *
+ * @param stdClass $row
+ * @return stdClass or ElggMetadata
+ */
+ function row_to_elggmetadata($row)
+ {
+ if (!($row instanceof stdClass))
+ return $row;
+
+ return new ElggMetadata($row);
}
-
- /**
- * Convert a database row to a new ElggMetadata
- *
- * @param stdClass $row
- * @return stdClass or ElggMetadata
- */
- function row_to_elggmetadata($row)
- {
- if (!($row instanceof stdClass))
- return $row;
-
- return new ElggMetadata($row);
- }
-
-
- /**
- * Get a specific item of metadata.
- *
- * @param $id int The item of metadata being retrieved.
- */
- function get_metadata($id)
- {
- global $CONFIG;
-
- $id = (int)$id;
+
+
+ /**
+ * Get a specific item of metadata.
+ *
+ * @param $id int The item of metadata being retrieved.
+ */
+ function get_metadata($id)
+ {
+ global $CONFIG;
+
+ $id = (int)$id;
$access = get_access_sql_suffix("e");
- $md_access = get_access_sql_suffix("m");
-
- return row_to_elggmetadata(get_data_row("SELECT m.*, n.string as name, v.string as value from {$CONFIG->dbprefix}metadata m JOIN {$CONFIG->dbprefix}entities e on e.guid = m.entity_guid JOIN {$CONFIG->dbprefix}metastrings v on m.value_id = v.id JOIN {$CONFIG->dbprefix}metastrings n on m.name_id = n.id where m.id=$id and $access and $md_access"));
- }
+ $md_access = get_access_sql_suffix("m");
+
+ return row_to_elggmetadata(get_data_row("SELECT m.*, n.string as name, v.string as value from {$CONFIG->dbprefix}metadata m JOIN {$CONFIG->dbprefix}entities e on e.guid = m.entity_guid JOIN {$CONFIG->dbprefix}metastrings v on m.value_id = v.id JOIN {$CONFIG->dbprefix}metastrings n on m.name_id = n.id where m.id=$id and $access and $md_access"));
+ }
/**
* Removes metadata on an entity with a particular name, optionally with a given value.
*
* @param int $entity_guid The entity GUID
- * @param string $name The name of the metadata
+ * @param string $name The name of the metadata
* @param string $value The optional value of the item (useful for removing a single item in a multiple set)
* @return true|false Depending on success
*/
@@ -169,12 +169,12 @@
global $CONFIG;
$entity_guid = (int) $entity_guid;
- $name = sanitise_string($name);
- $value = sanitise_string($value);
-
- $query = "SELECT * from {$CONFIG->dbprefix}metadata WHERE entity_guid = $entity_guid and name_id=" . add_metastring($name);
- if ($value!="")
- $query .= " and value_id=" . add_metastring($value);
+ $name = sanitise_string($name);
+ $value = sanitise_string($value);
+
+ $query = "SELECT * from {$CONFIG->dbprefix}metadata WHERE entity_guid = $entity_guid and name_id=" . add_metastring($name);
+ if ($value!="")
+ $query .= " and value_id=" . add_metastring($value);
if ($existing = get_data($query)) {
foreach($existing as $ex)
@@ -184,333 +184,333 @@
return false;
}
-
- /**
- * Create a new metadata object, or update an existing one.
- *
- * @param int $entity_guid
- * @param string $name
- * @param string $value
- * @param string $value_type
- * @param int $owner_guid
- * @param int $access_id
- * @param bool $allow_multiple
- */
- function create_metadata($entity_guid, $name, $value, $value_type, $owner_guid, $access_id = 0, $allow_multiple = false)
- {
- global $CONFIG;
-
- $entity_guid = (int)$entity_guid;
- //$name = sanitise_string(trim($name));
- //$value = sanitise_string(trim($value));
- $value_type = detect_extender_valuetype($value, sanitise_string(trim($value_type)));
- $time = time();
- $owner_guid = (int)$owner_guid;
- $allow_multiple = (boolean)$allow_multiple;
-
- if ($owner_guid==0) $owner_guid = get_loggedin_userid();
-
- $access_id = (int)$access_id;
-
- $id = false;
-
- $existing = get_data_row("SELECT * from {$CONFIG->dbprefix}metadata WHERE entity_guid = $entity_guid and name_id=" . add_metastring($name) . " limit 1");
- if (($existing) && (!$allow_multiple) && (isset($value)))
- {
- $id = $existing->id;
- $result = update_metadata($id, $name, $value, $value_type, $owner_guid, $access_id);
-
- if (!$result) return false;
- }
- else if (isset($value))
- {
- // Support boolean types
- if (is_bool($value)) {
- if ($value)
- $value = 1;
- else
- $value = 0;
- }
-
- // Add the metastrings
- $value = add_metastring($value);
- if (!$value) return false;
-
- $name = add_metastring($name);
- if (!$name) return false;
-
- // If ok then add it
- $id = insert_data("INSERT into {$CONFIG->dbprefix}metadata (entity_guid, name_id, value_id, value_type, owner_guid, time_created, access_id) VALUES ($entity_guid, '$name','$value','$value_type', $owner_guid, $time, $access_id)");
-
- if ($id!==false) {
- $obj = get_metadata($id);
- if (trigger_elgg_event('create', 'metadata', $obj)) {
- return true;
- } else {
- delete_metadata($id);
- }
- }
-
+
+ /**
+ * Create a new metadata object, or update an existing one.
+ *
+ * @param int $entity_guid
+ * @param string $name
+ * @param string $value
+ * @param string $value_type
+ * @param int $owner_guid
+ * @param int $access_id
+ * @param bool $allow_multiple
+ */
+ function create_metadata($entity_guid, $name, $value, $value_type, $owner_guid, $access_id = ACCESS_PRIVATE, $allow_multiple = false)
+ {
+ global $CONFIG;
+
+ $entity_guid = (int)$entity_guid;
+ //$name = sanitise_string(trim($name));
+ //$value = sanitise_string(trim($value));
+ $value_type = detect_extender_valuetype($value, sanitise_string(trim($value_type)));
+ $time = time();
+ $owner_guid = (int)$owner_guid;
+ $allow_multiple = (boolean)$allow_multiple;
+
+ if ($owner_guid==0) $owner_guid = get_loggedin_userid();
+
+ $access_id = (int)$access_id;
+
+ $id = false;
+
+ $existing = get_data_row("SELECT * from {$CONFIG->dbprefix}metadata WHERE entity_guid = $entity_guid and name_id=" . add_metastring($name) . " limit 1");
+ if (($existing) && (!$allow_multiple) && (isset($value)))
+ {
+ $id = $existing->id;
+ $result = update_metadata($id, $name, $value, $value_type, $owner_guid, $access_id);
+
+ if (!$result) return false;
+ }
+ else if (isset($value))
+ {
+ // Support boolean types
+ if (is_bool($value)) {
+ if ($value)
+ $value = 1;
+ else
+ $value = 0;
+ }
+
+ // Add the metastrings
+ $value = add_metastring($value);
+ if (!$value) return false;
+
+ $name = add_metastring($name);
+ if (!$name) return false;
+
+ // If ok then add it
+ $id = insert_data("INSERT into {$CONFIG->dbprefix}metadata (entity_guid, name_id, value_id, value_type, owner_guid, time_created, access_id) VALUES ($entity_guid, '$name','$value','$value_type', $owner_guid, $time, $access_id)");
+
+ if ($id!==false) {
+ $obj = get_metadata($id);
+ if (trigger_elgg_event('create', 'metadata', $obj)) {
+ return true;
+ } else {
+ delete_metadata($id);
+ }
+ }
+
} else if ($existing) {
// TODO: Check... are you sure you meant to do this Ben? :)
$id = $existing->id;
delete_metadata($id);
- }
-
- return $id;
- }
-
- /**
- * Update an item of metadata.
- *
- * @param int $id
- * @param string $name
- * @param string $value
- * @param string $value_type
- * @param int $owner_guid
- * @param int $access_id
- */
- function update_metadata($id, $name, $value, $value_type, $owner_guid, $access_id)
- {
- global $CONFIG;
-
+ }
+
+ return $id;
+ }
+
+ /**
+ * Update an item of metadata.
+ *
+ * @param int $id
+ * @param string $name
+ * @param string $value
+ * @param string $value_type
+ * @param int $owner_guid
+ * @param int $access_id
+ */
+ function update_metadata($id, $name, $value, $value_type, $owner_guid, $access_id)
+ {
+ global $CONFIG;
+
$id = (int)$id;
if (!$md = get_metadata($id)) return false;
- if (!$md->canEdit()) return false;
-
- // If memcached then we invalidate the cache for this entry
- static $metabyname_memcache;
- if ((!$metabyname_memcache) && (is_memcache_available()))
- $metabyname_memcache = new ElggMemcache('metabyname_memcache');
+ if (!$md->canEdit()) return false;
+
+ // If memcached then we invalidate the cache for this entry
+ static $metabyname_memcache;
+ if ((!$metabyname_memcache) && (is_memcache_available()))
+ $metabyname_memcache = new ElggMemcache('metabyname_memcache');
if ($metabyname_memcache) $metabyname_memcache->delete("{$md->entity_guid}:{$md->name_id}");
-
- //$name = sanitise_string(trim($name));
- //$value = sanitise_string(trim($value));
- $value_type = detect_extender_valuetype($value, sanitise_string(trim($value_type)));
-
- $owner_guid = (int)$owner_guid;
- if ($owner_guid==0) $owner_guid = get_loggedin_userid();
-
- $access_id = (int)$access_id;
-
- $access = get_access_sql_suffix();
-
- // Support boolean types (as integers)
- if (is_bool($value)) {
- if ($value)
- $value = 1;
- else
- $value = 0;
- }
-
- // Add the metastring
- $value = add_metastring($value);
- if (!$value) return false;
-
- $name = add_metastring($name);
+
+ //$name = sanitise_string(trim($name));
+ //$value = sanitise_string(trim($value));
+ $value_type = detect_extender_valuetype($value, sanitise_string(trim($value_type)));
+
+ $owner_guid = (int)$owner_guid;
+ if ($owner_guid==0) $owner_guid = get_loggedin_userid();
+
+ $access_id = (int)$access_id;
+
+ $access = get_access_sql_suffix();
+
+ // Support boolean types (as integers)
+ if (is_bool($value)) {
+ if ($value)
+ $value = 1;
+ else
+ $value = 0;
+ }
+
+ // Add the metastring
+ $value = add_metastring($value);
+ if (!$value) return false;
+
+ $name = add_metastring($name);
if (!$name) return false;
-
- // If ok then add it
- $result = update_data("UPDATE {$CONFIG->dbprefix}metadata set value_id='$value', value_type='$value_type', access_id=$access_id, owner_guid=$owner_guid where id=$id and name_id='$name'");
- if ($result!==false) {
- $obj = get_metadata($id);
- if (trigger_elgg_event('update', 'metadata', $obj)) {
- return true;
- } else {
- delete_metadata($id);
- }
- }
-
- return $result;
- }
-
- /**
- * This function creates metadata from an associative array of "key => value" pairs.
- *
- * @param int $entity_guid
- * @param string $name_and_values
- * @param string $value_type
- * @param int $owner_guid
- * @param int $access_id
- * @param bool $allow_multiple
- */
- function create_metadata_from_array($entity_guid, array $name_and_values, $value_type, $owner_guid, $access_id = 0, $allow_multiple = false)
- {
- foreach ($name_and_values as $k => $v)
- if (!create_metadata($entity_guid, $k, $v, $value_type, $owner_guid, $access_id, $allow_multiple)) return false;
-
- return true;
- }
-
- /**
- * Delete an item of metadata, where the current user has access.
- *
- * @param $id int The item of metadata to delete.
- */
- function delete_metadata($id)
- {
- global $CONFIG;
-
+
+ // If ok then add it
+ $result = update_data("UPDATE {$CONFIG->dbprefix}metadata set value_id='$value', value_type='$value_type', access_id=$access_id, owner_guid=$owner_guid where id=$id and name_id='$name'");
+ if ($result!==false) {
+ $obj = get_metadata($id);
+ if (trigger_elgg_event('update', 'metadata', $obj)) {
+ return true;
+ } else {
+ delete_metadata($id);
+ }
+ }
+
+ return $result;
+ }
+
+ /**
+ * This function creates metadata from an associative array of "key => value" pairs.
+ *
+ * @param int $entity_guid
+ * @param string $name_and_values
+ * @param string $value_type
+ * @param int $owner_guid
+ * @param int $access_id
+ * @param bool $allow_multiple
+ */
+ function create_metadata_from_array($entity_guid, array $name_and_values, $value_type, $owner_guid, $access_id = ACCESS_PRIVATE, $allow_multiple = false)
+ {
+ foreach ($name_and_values as $k => $v)
+ if (!create_metadata($entity_guid, $k, $v, $value_type, $owner_guid, $access_id, $allow_multiple)) return false;
+
+ return true;
+ }
+
+ /**
+ * Delete an item of metadata, where the current user has access.
+ *
+ * @param $id int The item of metadata to delete.
+ */
+ function delete_metadata($id)
+ {
+ global $CONFIG;
+
$id = (int)$id;
- $metadata = get_metadata($id);
-
- // Tidy up if memcache is enabled.
- static $metabyname_memcache;
- if ((!$metabyname_memcache) && (is_memcache_available()))
- $metabyname_memcache = new ElggMemcache('metabyname_memcache');
- if ($metabyname_memcache) $metabyname_memcache->delete("{$metadata->entity_guid}:{$metadata->name_id}");
-
- if ($metadata->canEdit())
- return delete_data("DELETE from {$CONFIG->dbprefix}metadata where id=$id");
-
- }
-
- /**
- * Return the metadata values that match your query.
- *
- * @param string $meta_name
- * @return mixed either a value, an array of ElggMetadata or false.
- */
- function get_metadata_byname($entity_guid, $meta_name)
- {
- global $CONFIG;
-
- $meta_name = get_metastring_id($meta_name);
-
- if (empty($meta_name)) return false;
-
- $entity_guid = (int)$entity_guid;
+ $metadata = get_metadata($id);
+
+ // Tidy up if memcache is enabled.
+ static $metabyname_memcache;
+ if ((!$metabyname_memcache) && (is_memcache_available()))
+ $metabyname_memcache = new ElggMemcache('metabyname_memcache');
+ if ($metabyname_memcache) $metabyname_memcache->delete("{$metadata->entity_guid}:{$metadata->name_id}");
+
+ if ($metadata->canEdit())
+ return delete_data("DELETE from {$CONFIG->dbprefix}metadata where id=$id");
+
+ }
+
+ /**
+ * Return the metadata values that match your query.
+ *
+ * @param string $meta_name
+ * @return mixed either a value, an array of ElggMetadata or false.
+ */
+ function get_metadata_byname($entity_guid, $meta_name)
+ {
+ global $CONFIG;
+
+ $meta_name = get_metastring_id($meta_name);
+
+ if (empty($meta_name)) return false;
+
+ $entity_guid = (int)$entity_guid;
$access = get_access_sql_suffix("e");
- $md_access = get_access_sql_suffix("m");
-
- // If memcache is available then cache this (cache only by name for now since this is the most common query)
- $meta = null;
- static $metabyname_memcache;
- if ((!$metabyname_memcache) && (is_memcache_available()))
- $metabyname_memcache = new ElggMemcache('metabyname_memcache');
- if ($metabyname_memcache) $meta = $metabyname_memcache->load("{$entity_guid}:{$meta_name}");
+ $md_access = get_access_sql_suffix("m");
+
+ // If memcache is available then cache this (cache only by name for now since this is the most common query)
+ $meta = null;
+ static $metabyname_memcache;
+ if ((!$metabyname_memcache) && (is_memcache_available()))
+ $metabyname_memcache = new ElggMemcache('metabyname_memcache');
+ if ($metabyname_memcache) $meta = $metabyname_memcache->load("{$entity_guid}:{$meta_name}");
if ($meta) return $meta;
- $result = get_data("SELECT m.*, n.string as name, v.string as value from {$CONFIG->dbprefix}metadata m JOIN {$CONFIG->dbprefix}entities e ON e.guid = m.entity_guid JOIN {$CONFIG->dbprefix}metastrings v on m.value_id = v.id JOIN {$CONFIG->dbprefix}metastrings n on m.name_id = n.id where m.entity_guid=$entity_guid and m.name_id='$meta_name' and $access and $md_access", "row_to_elggmetadata");
- if (!$result)
- return false;
-
- // Cache if memcache available
- if ($metabyname_memcache)
- {
- if (count($result) == 1) $r = $result[0]; else $r = $result;
- $metabyname_memcache->setDefaultExpiry(3600); // This is a bit of a hack - we shorten the expiry on object metadata so that it'll be gone in an hour. This means that deletions and more importantly updates will filter through eventually.
- $metabyname_memcache->save("{$entity_guid}:{$meta_name}", $r);
-
- }
- if (count($result) == 1)
- return $result[0];
-
- return $result;
- }
-
- /**
- * Return all the metadata for a given GUID.
- *
- * @param int $entity_guid
- */
- function get_metadata_for_entity($entity_guid)
- {
- global $CONFIG;
-
- $entity_guid = (int)$entity_guid;
+ $result = get_data("SELECT m.*, n.string as name, v.string as value from {$CONFIG->dbprefix}metadata m JOIN {$CONFIG->dbprefix}entities e ON e.guid = m.entity_guid JOIN {$CONFIG->dbprefix}metastrings v on m.value_id = v.id JOIN {$CONFIG->dbprefix}metastrings n on m.name_id = n.id where m.entity_guid=$entity_guid and m.name_id='$meta_name' and $access and $md_access", "row_to_elggmetadata");
+ if (!$result)
+ return false;
+
+ // Cache if memcache available
+ if ($metabyname_memcache)
+ {
+ if (count($result) == 1) $r = $result[0]; else $r = $result;
+ $metabyname_memcache->setDefaultExpiry(3600); // This is a bit of a hack - we shorten the expiry on object metadata so that it'll be gone in an hour. This means that deletions and more importantly updates will filter through eventually.
+ $metabyname_memcache->save("{$entity_guid}:{$meta_name}", $r);
+
+ }
+ if (count($result) == 1)
+ return $result[0];
+
+ return $result;
+ }
+
+ /**
+ * Return all the metadata for a given GUID.
+ *
+ * @param int $entity_guid
+ */
+ function get_metadata_for_entity($entity_guid)
+ {
+ global $CONFIG;
+
+ $entity_guid = (int)$entity_guid;
$access = get_access_sql_suffix("e");
- $md_access = get_access_sql_suffix("m");
-
- return get_data("SELECT m.*, n.string as name, v.string as value from {$CONFIG->dbprefix}metadata m JOIN {$CONFIG->dbprefix}entities e ON e.guid = m.entity_guid JOIN {$CONFIG->dbprefix}metastrings v on m.value_id = v.id JOIN {$CONFIG->dbprefix}metastrings n on m.name_id = n.id where m.entity_guid=$entity_guid and $access and $md_access", "row_to_elggmetadata");
- }
-
- /**
- * Get the metadata where the entities they are referring to match a given criteria.
- *
- * @param mixed $meta_name
- * @param mixed $meta_value
- * @param string $entity_type The type of entity to look for, eg 'site' or 'object'
- * @param string $entity_subtype The subtype of the entity.
- * @param int $limit
- * @param int $offset
- * @param string $order_by Optional ordering.
- * @param int $site_guid The site to get entities for. Leave as 0 (default) for the current site; -1 for all sites.
- */
- function find_metadata($meta_name = "", $meta_value = "", $entity_type = "", $entity_subtype = "", $limit = 10, $offset = 0, $order_by = "", $site_guid = 0)
- {
- global $CONFIG;
-
- $meta_n = get_metastring_id($meta_name);
+ $md_access = get_access_sql_suffix("m");
+
+ return get_data("SELECT m.*, n.string as name, v.string as value from {$CONFIG->dbprefix}metadata m JOIN {$CONFIG->dbprefix}entities e ON e.guid = m.entity_guid JOIN {$CONFIG->dbprefix}metastrings v on m.value_id = v.id JOIN {$CONFIG->dbprefix}metastrings n on m.name_id = n.id where m.entity_guid=$entity_guid and $access and $md_access", "row_to_elggmetadata");
+ }
+
+ /**
+ * Get the metadata where the entities they are referring to match a given criteria.
+ *
+ * @param mixed $meta_name
+ * @param mixed $meta_value
+ * @param string $entity_type The type of entity to look for, eg 'site' or 'object'
+ * @param string $entity_subtype The subtype of the entity.
+ * @param int $limit
+ * @param int $offset
+ * @param string $order_by Optional ordering.
+ * @param int $site_guid The site to get entities for. Leave as 0 (default) for the current site; -1 for all sites.
+ */
+ function find_metadata($meta_name = "", $meta_value = "", $entity_type = "", $entity_subtype = "", $limit = 10, $offset = 0, $order_by = "", $site_guid = 0)
+ {
+ global $CONFIG;
+
+ $meta_n = get_metastring_id($meta_name);
$meta_v = get_metastring_id($meta_value);
-
- $entity_type = sanitise_string($entity_type);
- $entity_subtype = get_subtype_id($entity_type, $entity_subtype);
- $limit = (int)$limit;
+
+ $entity_type = sanitise_string($entity_type);
+ $entity_subtype = get_subtype_id($entity_type, $entity_subtype);
+ $limit = (int)$limit;
$offset = (int)$offset;
- if ($order_by == "") $order_by = "e.time_created desc";
- $order_by = sanitise_string($order_by);
- $site_guid = (int) $site_guid;
- if ($site_guid == 0)
- $site_guid = $CONFIG->site_guid;
-
-
- $where = array();
-
- if ($entity_type!="")
- $where[] = "e.type='$entity_type'";
- if ($entity_subtype)
- $where[] = "e.subtype=$entity_subtype";
- if ($meta_name!="") {
- if (!$meta_v) return false; // The value is set, but we didn't get a value... so something went wrong.
- $where[] = "m.name_id='$meta_n'";
- }
- if ($meta_value!="") {
- if (!$meta_v) return false; // The value is set, but we didn't get a value... so something went wrong.
- $where[] = "m.value_id='$meta_v'";
- }
- if ($site_guid > 0)
- $where[] = "e.site_guid = {$site_guid}";
-
- $query = "SELECT m.*, n.string as name, v.string as value from {$CONFIG->dbprefix}entities e JOIN {$CONFIG->dbprefix}metadata m on e.guid = m.entity_guid JOIN {$CONFIG->dbprefix}metastrings v on m.value_id = v.id JOIN {$CONFIG->dbprefix}metastrings n on m.name_id = n.id where";
- foreach ($where as $w)
- $query .= " $w and ";
+ if ($order_by == "") $order_by = "e.time_created desc";
+ $order_by = sanitise_string($order_by);
+ $site_guid = (int) $site_guid;
+ if ($site_guid == 0)
+ $site_guid = $CONFIG->site_guid;
+
+
+ $where = array();
+
+ if ($entity_type!="")
+ $where[] = "e.type='$entity_type'";
+ if ($entity_subtype)
+ $where[] = "e.subtype=$entity_subtype";
+ if ($meta_name!="") {
+ if (!$meta_v) return false; // The value is set, but we didn't get a value... so something went wrong.
+ $where[] = "m.name_id='$meta_n'";
+ }
+ if ($meta_value!="") {
+ if (!$meta_v) return false; // The value is set, but we didn't get a value... so something went wrong.
+ $where[] = "m.value_id='$meta_v'";
+ }
+ if ($site_guid > 0)
+ $where[] = "e.site_guid = {$site_guid}";
+
+ $query = "SELECT m.*, n.string as name, v.string as value from {$CONFIG->dbprefix}entities e JOIN {$CONFIG->dbprefix}metadata m on e.guid = m.entity_guid JOIN {$CONFIG->dbprefix}metastrings v on m.value_id = v.id JOIN {$CONFIG->dbprefix}metastrings n on m.name_id = n.id where";
+ foreach ($where as $w)
+ $query .= " $w and ";
$query .= get_access_sql_suffix("e"); // Add access controls
- $query .= ' and ' . get_access_sql_suffix("m"); // Add access controls
- $query .= " order by $order_by limit $offset, $limit"; // Add order and limit
-
- return get_data($query, "row_to_elggmetadata");
- }
-
- /**
- * Return a list of entities based on the given search criteria.
- *
- * @param mixed $meta_name
- * @param mixed $meta_value
- * @param string $entity_type The type of entity to look for, eg 'site' or 'object'
- * @param string $entity_subtype The subtype of the entity.
- * @param int $limit
- * @param int $offset
+ $query .= ' and ' . get_access_sql_suffix("m"); // Add access controls
+ $query .= " order by $order_by limit $offset, $limit"; // Add order and limit
+
+ return get_data($query, "row_to_elggmetadata");
+ }
+
+ /**
+ * Return a list of entities based on the given search criteria.
+ *
+ * @param mixed $meta_name
+ * @param mixed $meta_value
+ * @param string $entity_type The type of entity to look for, eg 'site' or 'object'
+ * @param string $entity_subtype The subtype of the entity.
+ * @param int $limit
+ * @param int $offset
* @param string $order_by Optional ordering.
* @param int $site_guid The site to get entities for. Leave as 0 (default) for the current site; -1 for all sites.
* @param true|false $count If set to true, returns the total number of entities rather than a list. (Default: false)
*
- * @return int|array A list of entities, or a count if $count is set to true
- */
- function get_entities_from_metadata($meta_name, $meta_value = "", $entity_type = "", $entity_subtype = "", $owner_guid = 0, $limit = 10, $offset = 0, $order_by = "", $site_guid = 0, $count = false)
- {
- global $CONFIG;
-
- $meta_n = get_metastring_id($meta_name);
- $meta_v = get_metastring_id($meta_value);
-
- $entity_type = sanitise_string($entity_type);
- $entity_subtype = get_subtype_id($entity_type, $entity_subtype);
- $limit = (int)$limit;
+ * @return int|array A list of entities, or a count if $count is set to true
+ */
+ function get_entities_from_metadata($meta_name, $meta_value = "", $entity_type = "", $entity_subtype = "", $owner_guid = 0, $limit = 10, $offset = 0, $order_by = "", $site_guid = 0, $count = false)
+ {
+ global $CONFIG;
+
+ $meta_n = get_metastring_id($meta_name);
+ $meta_v = get_metastring_id($meta_value);
+
+ $entity_type = sanitise_string($entity_type);
+ $entity_subtype = get_subtype_id($entity_type, $entity_subtype);
+ $limit = (int)$limit;
$offset = (int)$offset;
- if ($order_by == "") $order_by = "e.time_created desc";
+ if ($order_by == "") $order_by = "e.time_created desc";
$order_by = sanitise_string($order_by);
$site_guid = (int) $site_guid;
if ((is_array($owner_guid) && (count($owner_guid)))) {
@@ -521,47 +521,47 @@
$owner_guid = (int) $owner_guid;
}
if ($site_guid == 0)
- $site_guid = $CONFIG->site_guid;
-
- //$access = get_access_list();
-
- $where = array();
-
- if ($entity_type!="")
- $where[] = "e.type='$entity_type'";
- if ($entity_subtype)
- $where[] = "e.subtype=$entity_subtype";
- if ($meta_name!="")
- $where[] = "m.name_id='$meta_n'";
- if ($meta_value!="")
+ $site_guid = $CONFIG->site_guid;
+
+ //$access = get_access_list();
+
+ $where = array();
+
+ if ($entity_type!="")
+ $where[] = "e.type='$entity_type'";
+ if ($entity_subtype)
+ $where[] = "e.subtype=$entity_subtype";
+ if ($meta_name!="")
+ $where[] = "m.name_id='$meta_n'";
+ if ($meta_value!="")
$where[] = "m.value_id='$meta_v'";
if ($site_guid > 0)
$where[] = "e.site_guid = {$site_guid}";
if (is_array($owner_guid)) {
$where[] = "e.container_guid in (".implode(",",$owner_guid).")";
} else if ($owner_guid > 0)
- $where[] = "e.container_guid = {$owner_guid}";
+ $where[] = "e.container_guid = {$owner_guid}";
if (!$count) {
$query = "SELECT distinct e.* ";
} else {
$query = "SELECT count(distinct e.guid) as total ";
}
-
- $query .= "from {$CONFIG->dbprefix}entities e JOIN {$CONFIG->dbprefix}metadata m on e.guid = m.entity_guid where";
- foreach ($where as $w)
- $query .= " $w and ";
+
+ $query .= "from {$CONFIG->dbprefix}entities e JOIN {$CONFIG->dbprefix}metadata m on e.guid = m.entity_guid where";
+ foreach ($where as $w)
+ $query .= " $w and ";
$query .= get_access_sql_suffix("e"); // Add access controls
$query .= ' and ' . get_access_sql_suffix("m"); // Add access controls
- if (!$count) {
- $query .= " order by $order_by limit $offset, $limit"; // Add order and limit
+ if (!$count) {
+ $query .= " order by $order_by limit $offset, $limit"; // Add order and limit
return get_data($query, "entity_row_to_elggstar");
} else {
if ($row = get_data_row($query))
return $row->total;
}
- return false;
+ return false;
}
/**
@@ -659,12 +659,12 @@
$query .= " from {$CONFIG->dbprefix}entities e {$join} where";
foreach ($where as $w)
$query .= " $w and ";
- $query .= get_access_sql_suffix("e"); // Add access controls
-
- $mindex = 1;
- foreach($meta_array as $meta_name => $meta_value) {
- $query .= ' and ' . get_access_sql_suffix("m{$mindex}"); // Add access controls
- $mindex++;
+ $query .= get_access_sql_suffix("e"); // Add access controls
+
+ $mindex = 1;
+ foreach($meta_array as $meta_name => $meta_value) {
+ $query .= ' and ' . get_access_sql_suffix("m{$mindex}"); // Add access controls
+ $mindex++;
}
if (!$count) {
@@ -703,50 +703,50 @@
return elgg_view_entity_list($entities, $count, $offset, $limit, $fullview, $viewtypetoggle, $pagination);
- }
-
- /**
- * Clear all the metadata for a given entity, assuming you have access to that metadata.
- *
- * @param int $guid
- */
- function clear_metadata($entity_guid)
- {
- global $CONFIG;
-
- $entity_guid = (int)$entity_guid;
+ }
+
+ /**
+ * Clear all the metadata for a given entity, assuming you have access to that metadata.
+ *
+ * @param int $guid
+ */
+ function clear_metadata($entity_guid)
+ {
+ global $CONFIG;
+
+ $entity_guid = (int)$entity_guid;
if ($entity = get_entity($entity_guid)) {
- if ($entity->canEdit())
+ if ($entity->canEdit())
return delete_data("DELETE from {$CONFIG->dbprefix}metadata where entity_guid={$entity_guid}");
}
- return false;
- }
-
- /**
- * Handler called by trigger_plugin_hook on the "export" event.
- */
- function export_metadata_plugin_hook($hook, $entity_type, $returnvalue, $params)
- {
- // Sanity check values
- if ((!is_array($params)) && (!isset($params['guid'])))
- throw new InvalidParameterException(elgg_echo('InvalidParameterException:GUIDNotForExport'));
-
- if (!is_array($returnvalue))
- throw new InvalidParameterException(elgg_echo('InvalidParameterException:NonArrayReturnValue'));
-
- $guid = (int)$params['guid'];
- $name = $params['name'];
-
- $result = get_metadata_for_entity($guid);
-
- if ($result)
- {
- foreach ($result as $r)
- $returnvalue[] = $r->export();
- }
-
- return $returnvalue;
- }
+ return false;
+ }
+
+ /**
+ * Handler called by trigger_plugin_hook on the "export" event.
+ */
+ function export_metadata_plugin_hook($hook, $entity_type, $returnvalue, $params)
+ {
+ // Sanity check values
+ if ((!is_array($params)) && (!isset($params['guid'])))
+ throw new InvalidParameterException(elgg_echo('InvalidParameterException:GUIDNotForExport'));
+
+ if (!is_array($returnvalue))
+ throw new InvalidParameterException(elgg_echo('InvalidParameterException:NonArrayReturnValue'));
+
+ $guid = (int)$params['guid'];
+ $name = $params['name'];
+
+ $result = get_metadata_for_entity($guid);
+
+ if ($result)
+ {
+ foreach ($result as $r)
+ $returnvalue[] = $r->export();
+ }
+
+ return $returnvalue;
+ }
/**
* Takes in a comma-separated string and returns an array of tags which have been trimmed and set to lower case
@@ -757,9 +757,9 @@
function string_to_tag_array($string) {
if (is_string($string)) {
- $ar = explode(",",$string);
- $ar = array_map('trim', $ar); // trim blank spaces
- $ar = array_map('strtolower', $ar); // make lower case
+ $ar = explode(",",$string);
+ $ar = array_map('trim', $ar); // trim blank spaces
+ $ar = array_map('strtolower', $ar); // make lower case
$ar = array_filter($ar, 'is_not_null'); // Remove null values
return $ar;
}
@@ -785,21 +785,21 @@
return $valuearray;
- }
-
- /**
- * Get the URL for this item of metadata, by default this links to the export handler in the current view.
- *
- * @param int $id
- */
- function get_metadata_url($id)
- {
- $id = (int)$id;
-
- if ($extender = get_metadata($id)) {
- return get_extender_url($extender);
- }
- return false;
+ }
+
+ /**
+ * Get the URL for this item of metadata, by default this links to the export handler in the current view.
+ *
+ * @param int $id
+ */
+ function get_metadata_url($id)
+ {
+ $id = (int)$id;
+
+ if ($extender = get_metadata($id)) {
+ return get_extender_url($extender);
+ }
+ return false;
}
/**
@@ -848,21 +848,21 @@
}
}
return true;
- }
-
- /**
- * Register a metadata url handler.
- *
- * @param string $function_name The function.
- * @param string $extender_name The name, default 'all'.
- */
- function register_metadata_url_handler($function_name, $extender_name = "all") {
+ }
+
+ /**
+ * Register a metadata url handler.
+ *
+ * @param string $function_name The function.
+ * @param string $extender_name The name, default 'all'.
+ */
+ function register_metadata_url_handler($function_name, $extender_name = "all") {
return register_extender_url_handler($function_name, 'metadata', $extender_name);
- }
-
- /** Register the hook */
+ }
+
+ /** Register the hook */
register_plugin_hook("export", "all", "export_metadata_plugin_hook", 2);
/** Call a function whenever an entity is updated **/
register_elgg_event_handler('update','all','metadata_update');
-
+
?> \ No newline at end of file