diff options
Diffstat (limited to 'engine/lib/river2.php')
| -rw-r--r-- | engine/lib/river2.php | 229 |
1 files changed, 226 insertions, 3 deletions
diff --git a/engine/lib/river2.php b/engine/lib/river2.php index 45a7f59ec..7793ea192 100644 --- a/engine/lib/river2.php +++ b/engine/lib/river2.php @@ -49,7 +49,7 @@ function add_to_river($view,$action_type,$subject_guid,$object_guid,$access_id = global $CONFIG; // Attempt to save river item; return success status - return insert_data("insert into {$CONFIG->dbprefix}river " . + $insert_data = insert_data("insert into {$CONFIG->dbprefix}river " . " set type = '{$type}', " . " subtype = '{$subtype}', " . " action_type = '{$action_type}', " . @@ -59,6 +59,12 @@ function add_to_river($view,$action_type,$subject_guid,$object_guid,$access_id = " object_guid = {$object_guid}, " . " annotation_id = {$annotation_id}, " . " posted = {$posted} "); + + //update the entities which had the action carried out on it + if($insert_data){ + update_entity_last_action($object_guid, $posted); + return $insert_data; + } } /** @@ -246,6 +252,118 @@ function get_river_items($subject_guid = 0, $object_guid = 0, $subject_relations } /** + * 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 $posted_max The maximum time period to look at. Default: none + * @return array|false Depending on success + */ +function elgg_get_river_items($subject_guid = 0, $object_guid = 0, $subject_relationship = '', $type = '', + $subtype = '', $action_type = '', $limit = 10, $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(); + $where[] = str_replace("and enabled='yes'",'',str_replace('owner_guid','subject_guid',get_access_sql_suffix_new('er','e'))); + + if (empty($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)) { + $where[] = " er.type = '{$type}' "; + } + if (!empty($subtype)) { + $where[] = " er.subtype = '{$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 + $sql = "select er.*" . + " from {$CONFIG->dbprefix}river er, {$CONFIG->dbprefix}entities e " . + " where {$whereclause} AND er.object_guid = e.guid GROUP BY object_guid " . + " ORDER BY e.last_action desc LIMIT {$offset},{$limit}"; + + // Get data + return get_data($sql); +} + +/** * Returns a human-readable representation of a river item * * @see get_river_items @@ -290,13 +408,20 @@ function elgg_view_river_item($item) { * @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) { + $type = '', $subtype = '', $action_type = '', $limit = 20, $posted_min = 0, $posted_max = 0, $pagination = true, $chronological = true) { // Get input from outside world and sanitise it $offset = (int) get_input('offset',0); + // Get the correct function + if($chronological == true){ + $riveritems = get_river_items($subject_guid,$object_guid,$subject_relationship,$type,$subtype,$action_type,($limit + 1),$offset,$posted_min,$posted_max); + }else{ + $riveritems = elgg_get_river_items($subject_guid,$object_guid,$subject_relationship,$type,$subtype,$action_type,($limit + 1),$offset,$posted_min,$posted_max); + } + // Get river items, if they exist - if ($riveritems = get_river_items($subject_guid,$object_guid,$subject_relationship,$type,$subtype,$action_type,($limit + 1),$offset,$posted_min,$posted_max)) { + if ($riveritems) { return elgg_view('river/item/list',array( 'limit' => $limit, @@ -309,3 +434,101 @@ function elgg_view_river_items($subject_guid = 0, $object_guid = 0, $subject_rel return ''; } +/** + * Update last_action on the given entity. + * + * @param int $guid Entity annotation|relationship action carried out on + * @param int $posted Timestamp of last action + **/ +function update_entity_last_action($guid, $posted){ + global $CONFIG; + if(!$posted) + $posted = time(); + $guid = (int)$guid; + if($guid){ + //now add to the river updated table + $query = update_data("UPDATE {$CONFIG->dbprefix}entities SET last_action = {$posted} WHERE guid = {$guid}"); + if($query) + return true; + else + return false; + }else{ + return false; + } +} +/** + * This function has been added here until we decide if it is going to roll into core or not + * Add access restriction sql code to a given query. + * Note that if this code is executed in privileged mode it will return blank. + * @TODO: DELETE once Query classes are fully integrated + * + * @param string $table_prefix Optional table. prefix for the access code. + * @param int $owner + */ +function get_access_sql_suffix_new($table_prefix_one = '', $table_prefix_two = '', $owner = null) { + global $ENTITY_SHOW_HIDDEN_OVERRIDE, $CONFIG; + + $sql = ""; + $friends_bit = ""; + $enemies_bit = ""; + + if ($table_prefix_one) { + $table_prefix_one = sanitise_string($table_prefix_one) . "."; + } + + if ($table_prefix_two) { + $table_prefix_two = sanitise_string($table_prefix_two) . "."; + } + + if (!isset($owner)) { + $owner = get_loggedin_userid(); + } + + if (!$owner) { + $owner = -1; + } + + $ignore_access = elgg_check_access_overrides($owner); + $access = get_access_list($owner); + + if ($ignore_access) { + $sql = " (1 = 1) "; + } else if ($owner != -1) { + $friends_bit = "{$table_prefix_one}access_id = " . ACCESS_FRIENDS . " + AND {$table_prefix_one}owner_guid IN ( + SELECT guid_one FROM {$CONFIG->dbprefix}entity_relationships + WHERE relationship='friend' AND guid_two=$owner + )"; + + $friends_bit = '('.$friends_bit.') OR '; + + if ((isset($CONFIG->user_block_and_filter_enabled)) && ($CONFIG->user_block_and_filter_enabled)) { + // check to see if the user is in the entity owner's block list + // or if the entity owner is in the user's filter list + // if so, disallow access + $enemies_bit = get_annotation_sql('elgg_block_list', "{$table_prefix_one}owner_guid", $owner, false); + $enemies_bit = '(' + . $enemies_bit + . ' AND ' . get_annotation_sql('elgg_filter_list', $owner, "{$table_prefix_one}owner_guid", false) + . ')'; + } + } + + if (empty($sql)) { + $sql = " $friends_bit ({$table_prefix_one}access_id IN {$access} + OR ({$table_prefix_one}owner_guid = {$owner}) + OR ( + {$table_prefix_one}access_id = " . ACCESS_PRIVATE . " + AND {$table_prefix_one}owner_guid = $owner + ) + )"; + } + + if ($enemies_bit) { + $sql = "$enemies_bit AND ($sql)"; + } + + if (!$ENTITY_SHOW_HIDDEN_OVERRIDE) + $sql .= " and {$table_prefix_two}enabled='yes'"; + return '('.$sql.')'; +}
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