/**
* Fetches all of the available services from the enabled modules that define
* them.
*/
public static function fetchAvailable()
{
if (!isset(self::$availableList)) {
self::$availableList = array();
self::$enabledList = array();
self::$disabledList = array();
// Fetch all of the service definitions from the modules
$modules = module_implements('mostpopular_service');
foreach ($modules as $module) {
$s = module_invoke($module, 'mostpopular_service', 'list');
foreach ($s as $delta => $service) {
$service['module'] = $module;
$service['delta'] = $delta;
// Augment the service with stored data from the database
$sql = "SELECT * FROM {" . self::$table . "} ";
$sql .= "WHERE module = '%s' AND delta = '%s'";
$result = db_query($sql, $module, $delta);
if ($row = db_fetch_array($result)) {
foreach ($row as $key => $val) {
if (isset($val) && drupal_strlen(trim($val)) > 0) {
$service[$key] = $val;
}
}
}
$service = new MostPopularService($service);
// If we've never seen the service before, add it first
if ($service->new) {
$service->save();
}
// Store the service by module and delta.
self::$availableList[$module][$delta] = $service;
// Store the service by availability
if ($service->enabled) {
self::$enabledList[$service->sid] = $service;
} else {
self::$disabledList[$service->sid] = $service;
}
}
}
// Sort the list of enabled services by weight
uasort(self::$enabledList, '_mostpopular_service_sort');
}
return self::$availableList;
}
