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<?php |
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namespace mindplay\kissform; |
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use mindplay\kissform\Facets\FieldInterface; |
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/** |
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* This model represents form state: input values and errors. |
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*/ |
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class InputModel |
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{ |
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/** |
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* @var array form input (maps of strings, possibly nested) |
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*/ |
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public $input; |
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/** |
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* @var string[] map where field name => error message |
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*/ |
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protected $errors; |
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/** |
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* @var bool true, if any validation has been performed |
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*/ |
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protected $validated = false; |
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/** |
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* @param array $input map where field name => input value(s) |
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* @param string[] $errors map where field name => error message |
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*/ |
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public function __construct(array $input, array $errors) |
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{ |
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$this->input = $input; |
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$this->errors = $errors; |
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} |
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/** |
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* @param InputModel|array|null $input map where field name => input value(s) |
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* @param string[] $errors map where field name => error message |
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* |
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* @return self |
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*/ |
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public static function create($input = null, $errors = null) |
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{ |
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if ($input instanceof self) { |
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return $input; // InputModel instance given |
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} |
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return new self($input ?: [], $errors ?: []); |
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} |
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/** |
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* @param FieldInterface|string $field |
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* |
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* @return string|array|null value (or NULL, if no value exists in $input) |
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*/ |
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public function getInput($field) |
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{ |
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$name = $field instanceof FieldInterface |
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? $field->getName() |
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: (string) $field; |
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if (!isset($this->input[$name]) || $this->input[$name] === '') { |
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return null; |
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} |
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if (is_scalar($this->input[$name])) { |
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return (string) $this->input[$name]; |
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} |
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return $this->input[$name]; |
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} |
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/** |
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* @param FieldInterface|string $field |
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* @param string|array|null $value |
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* |
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* @return void |
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*/ |
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public function setInput($field, $value) |
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{ |
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$name = $field instanceof FieldInterface |
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? $field->getName() |
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: (string) $field; |
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if ($value === null || $value === '' || $value === []) { |
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unset($this->input[$name]); |
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} else { |
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$this->input[$name] = is_array($value) |
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? $value |
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: (string) $value; |
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} |
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} |
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/** |
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* Get all accummulated error-messages, indexed by Field-name. |
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* |
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* @return string[] map where field-name => error message |
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*/ |
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public function getErrors() |
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{ |
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return $this->errors; |
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} |
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/** |
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* Get the error message for a given Field. |
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* |
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* @param FieldInterface|string $field |
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* |
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* @return string|string[]|null error-message (or NULL, if the given Field has no error) |
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*/ |
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public function getError($field) |
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{ |
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return @$this->errors[$field instanceof FieldInterface ? $field->getName() : (string) $field]; |
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} |
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/** |
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* Set an error message for a given Field, if one is not already set for that |
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* Field - we only care about the first error message for each Field, so add |
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* error messages in order of importance. |
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* |
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* @param FieldInterface|string $field the field for which to set an error-message |
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* @param string $error error message |
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* |
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* @return void |
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*/ |
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public function setError($field, $error) |
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{ |
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$name = $field instanceof FieldInterface |
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? $field->getName() |
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: (string) $field; |
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if (! isset($this->errors[$name])) { |
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$this->errors[$name] = $error; |
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} |
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} |
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/** |
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* @param FieldInterface|string $field |
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* |
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* @return bool true, if the given Field has an error message |
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* |
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* @see $errors |
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*/ |
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public function hasError($field) |
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{ |
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return isset($this->errors[$field instanceof FieldInterface ? $field->getName() : (string) $field]); |
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} |
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/** |
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* Clear the current error message for a given Field |
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* |
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* @param FieldInterface|string $field Field to clear error message for |
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* |
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* @return void |
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*/ |
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public function clearError($field) |
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{ |
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unset($this->errors[$field instanceof FieldInterface ? $field->getName(): (string) $field]); |
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} |
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/** |
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* Check the model for errors - this does not take into account whether the |
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* form has been validated or not. |
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* |
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* @return bool true, if the form contains any error(s) |
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* |
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* @see isValid() |
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*/ |
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public function hasErrors() |
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{ |
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return count($this->errors) !== 0; |
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} |
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/** |
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* Check if the model has been validated and contains no errors. |
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* |
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* @return bool true, if the form has been validated and contains no errors. |
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* |
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* @see hasErrors() |
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*/ |
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public function isValid() |
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{ |
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return $this->validated && ! $this->hasErrors(); |
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} |
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/** |
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* Clears any accumulated error messages and marks the model as either |
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* non-validated (default) or validated. |
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* |
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* @param bool $validated true, if the model has been validated |
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* |
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* @return void |
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*/ |
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public function clearErrors($validated = false) |
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{ |
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$this->errors = []; |
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$this->validated = $validated; |
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} |
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} |
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This check looks for
@param
annotations where the type inferred by our type inference engine differs from the declared type.It makes a suggestion as to what type it considers more descriptive.
Most often this is a case of a parameter that can be null in addition to its declared types.