/**
* Check the validity of the field based on the data submitted. Note that
* this validation is performed on the wire data - i.e. that which is
* submitted, before any setFormatter is run
*
* Called by the Editor / Join class instances - not expected for general
* consumption - internal.
* @param array $data Data submitted from the client-side
* @param Editor $editor Editor instance
* @return boolean Indicate if a field is valid or not.
* @internal
*/
public function validate($data, $editor)
{
// Three cases for the validator - closure, string or null
if (!$this->_validator) {
return true;
}
$val = $this->_readProp($this->name(), $data);
if (is_string($this->_validator)) {
$processData = $editor->inData();
$instances = array('action' => $processData['action'], 'id' => isset($processData['id']) ? str_replace($editor->idPrefix(), '', $processData['id']) : null, 'field' => $this, 'editor' => $editor, 'db' => $editor->db());
// Don't require the Editor namespace if DataTables validator is given as a string
if (strpos($this->_validator, "Validate::") === 0) {
return call_user_func("\\DataTables\\Editor\\" . $this->_validator, $val, $data, $this->_validatorOpts, $instances);
}
return call_user_func($this->_validator, $val, $data, $this->_validatorOpts, $instances);
}
$validator = $this->_validator;
return $validator($val, $data, $this);
}
/**
* Check the validity of the field based on the data submitted. Note that
* this validation is performed on the wire data - i.e. that which is
* submitted, before any setFormatter is run
*
* Called by the Editor / Join class instances - not expected for general
* consumption - internal.
*
* @param array $data Data submitted from the client-side
* @param Editor $editor Editor instance
* @param * $id Row id that is being validated
* @return boolean|string `true` if valid, string with error message if not
* @internal
*/
public function validate($data, $editor, $id = null)
{
// Three cases for the validator - closure, string or null
if (!count($this->_validator)) {
return true;
}
$val = $this->_readProp($this->name(), $data);
for ($i = 0, $ien = count($this->_validator); $i < $ien; $i++) {
$validator = $this->_validator[$i];
$processData = $editor->inData();
$instances = array('action' => $processData['action'], 'id' => $id, 'field' => $this, 'editor' => $editor, 'db' => $editor->db());
if (is_string($validator['func'])) {
// Don't require the Editor namespace if DataTables validator is given as a string
if (strpos($validator['func'], "Validate::") === 0) {
$res = call_user_func("\\DataTables\\Editor\\" . $validator['func'], $val, $data, $validator['opts'], $instances);
} else {
$res = call_user_func($validator['func'], $val, $data, $validator['opts'], $instances);
}
} else {
$func = $validator['func'];
$res = $func($val, $data, $this, $instances);
}
// Check if there was a validation error and if so, return it
if ($res !== true) {
return $res;
}
}
// Validation methods all run, must be valid
return true;
}
/**
* Execute an upload
*
* @param \DataTables\Editor $editor Calling Editor instance
* @return int Primary key value
* @internal
*/
public function exec($editor)
{
$id = null;
$upload = $_FILES['upload'];
// Validation - PHP standard validation
if ($upload['error'] !== UPLOAD_ERR_OK) {
if ($upload['error'] === UPLOAD_ERR_INI_SIZE) {
$this->_error = "File exceeds maximum file upload size";
} else {
$this->_error = "There was an error uploading the file (" . $upload['error'] . ")";
}
return false;
}
// Validation - acceptable file extensions
if (is_array($this->_extns)) {
$extn = pathinfo($upload['name'], PATHINFO_EXTENSION);
if (in_array(strtolower($extn), array_map('strtolower', $this->_extns)) === false) {
$this->_error = $this->_extnError;
return false;
}
}
// Validation - custom callback
for ($i = 0, $ien = count($this->_validators); $i < $ien; $i++) {
$res = $this->_validators[$i]($upload);
if (is_string($res)) {
$this->_error = $res;
return false;
}
}
// Database
if ($this->_dbTable) {
foreach ($this->_dbFields as $column => $prop) {
// We can't know what the path is, if it has moved into place
// by an external function - throw an error if this does happen
if (!is_string($this->_action) && ($prop === self::DB_SYSTEM_PATH || $prop === self::DB_WEB_PATH)) {
$this->_error = "Cannot set path information in database " . "if a custom method is used to save the file.";
return false;
}
}
// Commit to the database
$id = $this->_dbExec($editor->db());
}
// Perform file system actions
return $this->_actionExec($id);
}
