/**
* Validation will only be performed on input keys not on all field keys to
* allow for partial input validation.
*
* @param array input
* @return array errors (empty if no errors)
*/
function validate($input)
{
$errors = array();
$defaults = pixreviews::defaults();
$plugin_checks = $this->meta->get('checks', array());
foreach ($input as $key => $value) {
$field = $this->fields->get($key);
// Calculate validation rules
// --------------------------
$rules = array();
// check pixreviews defaults
if (isset($defaults['checks'][$field['type']])) {
$rules = $defaults['checks'][$field['type']];
}
// check theme defaults
if (isset($plugin_checks[$field['type']])) {
$rules = array_merge($rules, $plugin_checks[$field['type']]);
}
// check field presets
if (isset($field['checks'])) {
$rules = array_merge($rules, $field['checks']);
}
// Perform validation
// ------------------
foreach ($rules as $rule) {
$callback = pixreviews::callback($rule, $this->meta);
$valid = call_user_func($callback, $input[$key], $field, $this);
if (!$valid) {
isset($errors[$key]) or $errors[$key] = array();
$errors[$key][$rule] = $this->error_message($rule);
}
}
}
return $errors;
}
/**
* Execute postupdate hooks on input.
*/
protected function postupdate($input)
{
$defaults = pixreviews::defaults();
$plugin_hooks = $this->meta->get('processor', array('preupdate' => array(), 'postupdate' => array()));
// Calculate hooks
// ---------------
$hooks = array();
// check pixreviews defaults
if (isset($defaults['processor']['postupdate'])) {
$hooks = $defaults['processor']['postupdate'];
}
// check plugin defaults
if (isset($plugin_hooks['postupdate'])) {
$hooks = array_merge($hooks, $plugin_hooks['postupdate']);
}
// Execute hooks
// -------------
foreach ($hooks as $rule) {
$callback = pixreviews::callback($rule, $this->meta);
call_user_func($callback, $input, $this);
}
}