/**
* Creates an ArrayCollection instance
*
* @param Arrayable|Traversable|array $items The items to collect
*
* @return ArrayCollection
*
* @throws DomainException When the items are not valid
*/
function collect($items = []) : ArrayCollection
{
if (!is_array($items)) {
if ($items instanceof Arrayable) {
$items = $items->toArray();
} elseif ($items instanceof Traversable) {
$items = iterator_to_array($items);
} else {
$message = sprintf('Invalid items: %s', VarPrinter::toString($items));
throw new DomainException($message);
}
}
return ArrayCollection::create($items);
}
/**
* Checks if a value is valid
*
* @param mixed $value The value
*
* @return bool
*/
protected function isValid($value) : bool
{
$type = gettype($value);
switch ($type) {
case 'string':
case 'integer':
case 'double':
case 'boolean':
case 'NULL':
return true;
break;
case 'array':
return ArrayCollection::create($value)->every(function ($v) {
return $this->isValid($v);
});
break;
default:
break;
}
return false;
}
/**
* @expectedException \Novuso\System\Exception\DomainException
*/
public function test_that_random_throws_exception_when_request_too_many_items()
{
$data = ['foo', 'bar', 'baz', 'buz'];
ArrayCollection::create($data)->random(5);
}
/**
* {@inheritdoc}
*/
public function toString() : string
{
return sprintf('{%s}', Collection::create()->push(sprintf('id:%s', $this->id->toString()))->push(sprintf('type:%s', $this->type->value()))->push(sprintf('timestamp:%s', $this->timestamp->toString()))->push(sprintf('meta_data:{%s}', Collection::create($this->metaData->toArray())->implode(',', function ($value, $key) {
return sprintf('%s:%s', $key, VarPrinter::toString($value));
})))->push(sprintf('payload_type:%s', $this->payloadType->toString()))->push(sprintf('payload:{%s}', Collection::create($this->payload->toArray())->implode(',', function ($value, $key) {
return sprintf('%s:%s', $key, VarPrinter::toString($value));
})))->implode(','));
}
