/**
* {@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;
}
private function resolveName(PropertyDefinition $property, HttpResource $resource) : string
{
return $property->variants()->reduce($property->name(), function (string $usedName, string $variant) use($resource) : string {
if ($resource->properties()->contains($variant)) {
return $variant;
}
return $usedName;
});
}
