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<?php |
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/** |
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* @author Todd Burry <[email protected]> |
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* @copyright 2009-2014 Vanilla Forums Inc. |
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* @license MIT |
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*/ |
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namespace Garden; |
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use Garden\Exception\ValidationException; |
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/** |
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* An class for collecting validation errors. |
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*/ |
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class Validation { |
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/// Properties /// |
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protected $errors = []; |
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protected $mainMessage; |
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protected $status; |
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/// Methods /// |
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/** |
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* Initialize an instance of the {@link Validation} class. |
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* |
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* @param array $errors An array of errors. |
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* @param string $mainMessage The main message of the error. |
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* @param int $status The http status code of the error or 0 to build the status code from the indivdual errors. |
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*/ |
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public function __construct(array $errors = [], $mainMessage = '', $status = 0) { |
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$this->errors = $errors; |
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$this->mainMessage = $mainMessage; |
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$this->status = $status; |
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} |
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/** |
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* Gets the error message from an error. |
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* |
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* Errors are stored with either a message or a translation code. |
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* This method will look at both to determine the full message. |
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* |
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* @param array $error The error array. |
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* @return string Returns the message from the error. |
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*/ |
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public static function errorMessage(array $error) { |
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if (isset($error['message'])) { |
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return $error['message']; |
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} else { |
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$field = val('field', $error, '*'); |
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if (is_array($field)) { |
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$field = implode(', ', $field); |
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} |
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return sprintft($error['code'].': %s.', $field); |
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} |
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} |
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/** |
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* Add an error. |
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* |
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* @param string $messageCode The message translation code. |
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* If you add a message that starts with "@" then no translation will take place. |
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* @param string|array $field The name of the field to add or an array of fields if the error applies to |
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* more than one field. |
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* @param int|array $options An array of additional information to add to the error entry or a numeric error code. |
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* @return Validation Returns $this for fluent calls. |
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*/ |
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public function addError($messageCode, $field = '*', $options = []) { |
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$error = []; |
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if (substr($messageCode, 0, 1) === '@') { |
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$error['message'] = substr($messageCode, 1); |
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} else { |
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$error['code'] = $messageCode; |
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} |
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if (is_array($field)) { |
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$fieldname = array_select(['path', 'name'], $field); |
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if ($fieldname) { |
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// This is a full field object. |
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$fieldKey = $fieldname; |
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$error['field'] = $fieldKey; |
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} else { |
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$fieldKey = '*'; |
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$error['field'] = $field; |
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} |
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} else { |
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$fieldKey = $field; |
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if ($field !== '*') { |
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$error['field'] = $field; |
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} |
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} |
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if (is_array($options)) { |
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$error += $options; |
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} else if (is_int($options)) { |
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$error['status'] = $options; |
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} |
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$this->errors[$fieldKey][] = $error; |
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return $this; |
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} |
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/** |
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* Gets the main error message for the validation. |
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* |
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* @param string|null $value Pass a new main message or null to get the current main message. |
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* @return Validation|string Returns the main message or $this for fluent sets. |
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*/ |
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public function mainMessage($value = null) { |
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if ($value !== null) { |
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$this->mainMessage = $value; |
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return $this; |
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} |
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return $this->mainMessage; |
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} |
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/** |
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* Get or set the error status code. |
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* |
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* The status code is an http resonse code and should be of the 4xx variety. |
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* |
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* @param int|null $value Pass a new status code or null to get the current code. |
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* @return Validation|int Returns the current status code or $this for fluent sets. |
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*/ |
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public function status($value = null) { |
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if ($value !== null) { |
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$this->status = $value; |
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return $this; |
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} |
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if ($this->status) { |
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return $this->status; |
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} |
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// There was no status so loop through the errors and look for the highest one. |
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$maxStatus = 400; |
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foreach ($this->errors as $field => $errors) { |
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foreach ($errors as $error) { |
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if (isset($error['status']) && $error['status'] > $maxStatus) { |
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$maxStatus = $error['status']; |
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} |
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} |
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} |
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return $maxStatus; |
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} |
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/** |
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* Get the message for this exception. |
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* |
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* @return string Returns the exception message. |
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*/ |
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public function getMessage() { |
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if ($this->mainMessage) { |
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return $this->mainMessage; |
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} |
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// Generate the message by concatenating all of the errors together. |
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$messages = []; |
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foreach ($this->errors as $errors) { |
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foreach ($errors as $error) { |
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$field = val('field', $error, '*'); |
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if (is_array($field)) { |
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$field = implode(', ', $field); |
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} |
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if (isset($error['message'])) { |
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$message = $error['message']; |
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} elseif (strpos($error['code'], '%s') === false) { |
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$message = sprintft($error['code'].': %s.', $field); |
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} else { |
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$message = sprintft($error['code'], $field); |
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} |
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$messages[] = $message; |
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} |
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} |
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return implode(' ', $messages); |
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} |
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/** |
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* Gets all of the errors as a flat array. |
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* |
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* The errors are internally stored indexed by field. This method flattens them for final error returns. |
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* |
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* @return array Returns all of the errors. |
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*/ |
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public function getErrorsFlat() { |
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$result = []; |
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foreach ($this->errors as $errors) { |
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foreach ($errors as $error) { |
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$result[] = $error; |
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} |
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} |
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return $result; |
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} |
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/** |
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* Check whether or not the validation is free of errors. |
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* |
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* @return bool Returns true if there are no errors, false otherwise. |
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*/ |
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public function isValid() { |
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return count($this->errors) === 0; |
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} |
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/** |
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* Check whether or not a particular field is has errors. |
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* |
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* @param string $field The name of the field to check for validity. |
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* @return bool Returns true if the field has no errors, false otherwise. |
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*/ |
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public function fieldValid($field) { |
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$result = !isset($this->errors[$field]) || count($this->errors[$field]) === 0; |
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return $result; |
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} |
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} |
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