/**
* {@inheritdoc}
*/
public function buildFrom(ServerRequestInterface $request, HttpResource $definition) : SpecificationInterface
{
$specification = null;
foreach ($request->query() as $parameter) {
if ($parameter->name() === 'range') {
/*
range is used in QueryExtractor to determine the range of the
resources to return and thus can't be used as a filter
*/
continue;
}
if (!$definition->properties()->contains($parameter->name())) {
throw new FilterNotApplicableException($parameter->name());
}
if ($specification === null) {
$specification = new Filter($parameter->name(), $parameter->value());
} else {
$specification = $specification->and(new Filter($parameter->name(), $parameter->value()));
}
}
if ($specification === null) {
throw new NoFilterFoundException();
}
return $specification;
}
/**
* {@inheritdoc}
*/
public function extract(ServerRequestInterface $request) : Range
{
if (!$request->headers()->has('Range')) {
throw new RangeNotFoundException();
}
return new Range($request->headers()->get('Range')->values()->current()->firstPosition(), $request->headers()->get('Range')->values()->current()->lastPosition());
}
/**
* {@inheritdoc}
*/
public function extract(ServerRequestInterface $request) : Range
{
if (!$request->query()->has('range') || !is_array($request->query()->get('range')->value()) || count($request->query()->get('range')->value()) !== 2) {
throw new RangeNotFoundException();
}
return new Range($request->query()->get('range')->value()[0], $request->query()->get('range')->value()[1]);
}