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<?php
class WPCOM_JSON_API_List_Roles_Endpoint extends WPCOM_JSON_API_Endpoint {
var $response_format = array(
'roles' => '(array:role) Array of role objects',
);
static function role_sort( $a, $b ) {
$core_role_names = array( 'administrator', 'editor', 'author', 'contributor', 'subscriber' );
$a_is_core_role = in_array( $a->name, $core_role_names );
$b_is_core_role = in_array( $b->name, $core_role_names );
// if $a is a core_role and $b is not, $a always comes first
if ( $a_is_core_role && ! $b_is_core_role ) {
return -1;
}
// if $b is a core_role and $a is not, $b always comes first
if ( $b_is_core_role && ! $a_is_core_role ) {
return 1;
}
// otherwise the one with the > number of capabilities comes first
$a_cap_count = count( $a->capabilities );
$b_cap_count = count( $b->capabilities );
if ( $a_cap_count === $b_cap_count ) {
return 0;
}
return ( $a_cap_count > $b_cap_count ) ? -1 : 1;
}
// /sites/%s/roles/ -> $blog_id
function callback( $path = '', $blog_id = 0 ) {
$blog_id = $this->api->switch_to_blog_and_validate_user( $this->api->get_blog_id( $blog_id ) );
if ( is_wp_error( $blog_id ) ) {
return $blog_id;
}
if ( ! current_user_can( 'list_users' ) ) {
return new WP_Error( 'unauthorized', 'User cannot view roles for specified site', 403 );
}
$roles = array();
$wp_roles= new WP_Roles();
$role_names = $wp_roles->get_names();
$role_keys = array_keys( $role_names );
foreach ( (array) $role_keys as $role_key ) {
$role_details = get_role( $role_key );
$role_details->display_name = translate_user_role( $role_names[$role_key] );
$roles[] = $role_details;
}
// Sort the array so roles with the most number of capabilities comes first, then the next role, and so on
usort( $roles, array( 'self', 'role_sort' ) );
return array( 'roles' => $roles );
}
}
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