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<?php
namespace JsonApi\Schemas\Courseware;
use JsonApi\Schemas\SchemaProvider;
use Neomerx\JsonApi\Contracts\Schema\ContextInterface;
use Neomerx\JsonApi\Schema\Link;
class Unit extends SchemaProvider
{
const TYPE = 'courseware-units';
const REL_CREATOR= 'creator';
const REL_RANGE = 'range';
const REL_STRUCTURAL_ELEMENT = 'structural-element';
/**
* {@inheritdoc}
*/
public function getId($resource): ?string
{
return $resource->id;
}
/**
* {@inheritdoc}
*/
public function getAttributes($resource, ContextInterface $context): iterable
{
return [
'content-type' => (string) $resource['content_type'],
'public' => (int) $resource['public'],
'release-date' => $resource['release_date'] ? date('c', $resource['release_date']) : null,
'withdraw-date' => $resource['withdraw_date'] ? date('c', $resource['withdraw_date']) : null,
'mkdate' => date('c', $resource['mkdate']),
'chdate' => date('c', $resource['chdate']),
];
}
/**
* {@inheritdoc}
*/
public function getRelationships($resource, ContextInterface $context): iterable
{
$relationships = [];
$relationships[self::REL_CREATOR] = $resource['creator_id']
? [
self::RELATIONSHIP_LINKS => [
Link::RELATED => $this->createLinkToResource($resource->creator),
],
self::RELATIONSHIP_DATA => $resource->creator,
]
: [self::RELATIONSHIP_DATA => null];
$relationships[self::REL_STRUCTURAL_ELEMENT] = $resource->structural_element
? [
self::RELATIONSHIP_LINKS => [
Link::RELATED => $this->createLinkToResource($resource->structural_element),
],
self::RELATIONSHIP_DATA => $resource->structural_element,
]
: [self::RELATIONSHIP_DATA => null];
$rangeType = $resource->range_type;
$range = $resource->$rangeType;
$relationships[self::REL_RANGE] = $range
? [
self::RELATIONSHIP_LINKS => [
Link::RELATED => $this->createLinkToResource($range),
],
self::RELATIONSHIP_DATA => $range,
]
: [self::RELATIONSHIP_DATA => null];
return $relationships;
}
}
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