public function current()
{
$value = parent::current();
if ($this->valueField === null) {
return $value;
}
return PropertyPath::get($value, $this->valueField);
}
/**
* Retrieve non-deleted model-data by id.
*
* @return mixed data
*/
public function get($id, $config)
{
$data = $this->backend->get($id, $config);
if (PropertyPath::get($this->path, $data)) {
throw new Exception('Record was deleted');
}
return $data;
}
/**
* Replace the placeholder with the referenced object.
*/
private function __replacePlaceholder()
{
if (is_string($this->__placeholder) === false) {
// Is the placeholder already replaced?
// Multiple lookups are valid use-case.
// The property (as placeholder) could be passed to another function as a value.
return;
}
$parts = explode('/', $this->__placeholder);
$repositoryId = array_shift($parts);
$model = array_shift($parts);
$property = implode('/', $parts);
$self = PropertyPath::get($property, $this->__container);
if ($self !== $this) {
notice('This placeholder belongs to an other object', 'Did you clone the object?');
$this->__placeholder = $self;
return;
}
$repo = Repository::instance($repositoryId);
$this->__placeholder = $repo->resolveProperty($this->__container, $property, array('model' => $model));
}
/**
* Return the instance the Placeholder points to.
*
* @param BelongsToPlaceholder|Junction $wrapper
* @param ModelConfig $config
*/
protected function resolveInstance($wrapper, $config)
{
if ($wrapper instanceof BelongsToPlaceholder === false && $wrapper instanceof Junction === false) {
throw new Exception('Parameter $placeholder must be a BelongsToPlaceholder or Junction');
}
if ($wrapper instanceof Junction && PropertyPath::get($config->properties[$config->id[0]], $wrapper) === null) {
foreach ($this->created[$config->name] as $index => $created) {
$isAMatch = true;
foreach (get_object_vars($created) as $property => $value) {
if ($wrapper->{$property} !== $value) {
$isAMatch = false;
break;
}
}
if ($isAMatch) {
return $created;
}
}
}
$index = $this->resolveIndex($wrapper, $config);
if (empty($this->objects[$config->name][$index]['instance'])) {
throw new Exception('Placeholder "' . $model . ' ' . $index . '" not loaded');
}
$instance = $this->objects[$config->name][$index]['instance'];
foreach (get_object_vars($instance) as $property => $value) {
if ($wrapper->{$property} !== $value) {
throw new Exception('Placeholder belongs to another model');
}
}
return $instance;
}
public function test_PropertyPath_get()
{
$array = array('id' => '1');
$object = (object) array('id' => '2');
$this->assertSame(PropertyPath::get('.', 'me'), 'me', 'Path "." should return the input');
// autodetect type
$this->assertSame(PropertyPath::get('id', $array), '1', 'Path "id" should work on arrays');
$this->assertSame(PropertyPath::get('id', $object), '2', 'Path "id" should also work on objects');
// force array element
$this->assertSame(PropertyPath::get('[id]', $array), '1', 'Path "[id]" should work on arrays');
// force object property
$this->assertSame(PropertyPath::get('->id', $object), '2', 'Path "->id" should work on objects');
$object->property = array('id' => '3');
$this->assertSame(PropertyPath::get('property[id]', $object), '3', 'Path "property[id]" should work on objects');
$this->assertSame(PropertyPath::get('->property[id]', $object), '3', 'Path "->property[id]" should work on objects');
$object->object = (object) array('id' => '4');
$this->assertSame(PropertyPath::get('object->id', $object), '4', 'Path "object->id" should work on objects in objects');
$this->assertSame(PropertyPath::get('->object->id', $object), '4', 'Path "->object->id" should work on objects in objects');
$object->property['element'] = (object) array('id' => '5');
$this->assertSame(PropertyPath::get('property[element]->id', $object), '5');
$this->assertSame(PropertyPath::get('->property[element]->id', $object), '5');
$array['object'] = (object) array('id' => 6);
$this->assertSame(PropertyPath::get('object->id', $array), 6);
$this->assertSame(PropertyPath::get('[object]->id', $array), 6);
// optional
$this->assertSame(PropertyPath::get('id?', $array), '1', 'Path "id?" should work on arrays');
$this->assertSame(PropertyPath::get('id?', $object), '2', 'Path "id?" should work on objects');
$this->assertSame(PropertyPath::get('undefined?', $array), null, 'Path "id?" should work on arrays');
$this->assertSame(PropertyPath::get('undefined?', $object), null, 'Path "id?" should work on objects');
$this->assertSame(PropertyPath::get('[id?]', $array), '1', 'Path "->id?" should work on arrays');
$this->assertSame(PropertyPath::get('->id?', $object), '2', 'Path "->id?" should work on objects');
// $this->assertSame(PropertyPath::get($array, 'undefined?'), null, 'Path "id?" should work on arrays');
// $this->assertSame(PropertyPath::get($object, 'undefined?'), null, 'Path "id?" should work on objects');
// @todo Add UnitTest for method notation "getFilename()"
$sequence = array(array('id' => 1), array('id' => 3), array('id' => 5));
$this->assertSame(PropertyPath::get('[*].id', $sequence), array(1, 3, 5));
PHPUnit_Framework_Error_Notice::$enabled = false;
$error_log = ini_get('error_log');
ini_set('error_log', '/dev/null');
ob_start();
$this->assertSame(PropertyPath::get('->property->element', $object), null);
$this->assertRegExp('/Unexpected type: array, expecting an object/', ob_get_clean());
ob_start();
$this->assertSame(PropertyPath::get('->id', $array), null, 'Path "->id" should NOT work on arrays');
$this->assertRegExp('/Unexpected type: array, expecting an object/', ob_get_clean());
ob_start();
$this->assertSame(PropertyPath::get('[id]', $object), null, 'Path "[id]" should NOT work on objects');
$this->assertRegExp('/Unexpected type: object, expecting an array/', ob_get_clean());
// PropertyPath::get('->id?', $array)
// PropertyPath::get('[id?]', $object)
PHPUnit_Framework_Error_Notice::$enabled = true;
ini_set('error_log', $error_log);
}
public function add($data, $config)
{
$key = PropertyPath::get($config['key'], $data);
if ($key === null) {
$this->items[] = $data;
$keys = array_keys($this->items);
$key = array_pop($keys);
$key = PropertyPath::set($config['key'], $key, $data);
return $data;
}
$this->getKey($data, $config);
return $data;
}
/**
* Build a closure which validates an item with the gives $conditions.
*
* @param mixed $conditions array|Closure|expression See Collection::where() for condition options
*
* @return callable
*/
protected function buildFilter($conditions)
{
if (\Sledgehammer\is_closure($conditions)) {
return $conditions;
}
if (is_array($conditions)) {
// Create filter that checks all conditions
$logicalOperator = \Sledgehammer\extract_logical_operator($conditions);
if ($logicalOperator === false) {
if (count($conditions) > 1) {
\Sledgehammer\notice('Conditions with multiple conditions require a logical operator.', "Example: array('AND', 'x' => 1, 'y' => 5)");
}
$logicalOperator = 'AND';
} else {
unset($conditions[0]);
}
$operators = [];
foreach ($conditions as $path => $expectation) {
if (preg_match('/^(.*) (' . \Sledgehammer\COMPARE_OPERATORS . ')$/', $path, $matches)) {
unset($conditions[$path]);
$conditions[$matches[1]] = $expectation;
$operators[$matches[1]] = $matches[2];
} else {
$operators[$path] = false;
}
}
// @todo Build an optimized closure for when a single conditions is given.
if ($logicalOperator === 'AND') {
return function ($item) use($conditions, $operators) {
foreach ($conditions as $path => $expectation) {
$actual = PropertyPath::get($path, $item);
$operator = $operators[$path];
if ($operator) {
if (\Sledgehammer\compare($actual, $operator, $expectation) === false) {
return false;
}
} elseif (\Sledgehammer\equals($actual, $expectation) === false) {
return false;
}
}
return true;
// All conditions are met.
};
} elseif ($logicalOperator === 'OR') {
return function ($item) use($conditions, $operators) {
foreach ($conditions as $path => $expectation) {
$actual = PropertyPath::get($path, $item);
$operator = $operators[$path];
if ($operator) {
if (\Sledgehammer\compare($actual, $operator, $expectation) !== false) {
return true;
}
} elseif (\Sledgehammer\equals($actual, $expectation) !== false) {
return true;
}
}
return false;
// None of conditions are met.
};
} else {
throw new Exception('Unsupported logical operator "' . $logicalOperator . '", expecting "AND" or "OR"');
}
}
//'<= 5' or '10'
// Compare the item directly with value given as $condition.
if (is_string($conditions) && preg_match('/^(' . \Sledgehammer\COMPARE_OPERATORS . ') (.*)$/', $conditions, $matches)) {
$operator = $matches[1];
$expectation = $matches[2];
} else {
$expectation = $conditions;
$operator = '==';
}
return function ($value) use($expectation, $operator) {
return \Sledgehammer\compare($value, $operator, $expectation);
};
}
/**
* Compile a path into a closure function.
* The generated function expected 1 parameter (The $data for the property get).
*
* @param string $path
* return Closure
*/
public static function compile($path)
{
static $cache = [];
if (isset($cache[$path])) {
return $cache[$path];
}
$cache[$path] = function ($data) use($path) {
return PropertyPath::get($path, $data);
};
return $cache[$path];
}
