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<?php
namespace JsonApi\Routes\Blubber;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Message\ResponseInterface as Response;
use JsonApi\Errors\AuthorizationFailedException;
use JsonApi\Errors\BadRequestException;
use JsonApi\Errors\RecordNotFoundException;
use JsonApi\JsonApiController;
use JsonApi\Routes\TimestampTrait;
use JsonApi\Routes\ValidationTrait;
/**
* Update a blubber thread.
*/
class ThreadsUpdate extends JsonApiController
{
use TimestampTrait;
use ValidationTrait;
/**
* @SuppressWarnings(PHPMD.UnusedFormalParameter)
*/
public function __invoke(Request $request, Response $response, $args)
{
$json = $this->validate($request);
$thread = \BlubberThread::find($args['id']);
if (!$thread) {
throw new RecordNotFoundException();
}
$user = $this->getUser($request);
if (!Authority::canEditBlubberThread($user, $thread)) {
throw new AuthorizationFailedException();
}
if (self::arrayHas($json, 'data.attributes.visited-at')) {
$visitedAt = self::arrayGet($json, 'data.attributes.visited-at');
$visitedDate = self::fromISO8601($visitedAt)->getTimestamp();
$GLOBALS['user']->cfg->store('BLUBBERTHREAD_VISITED_' . $thread->getId(), $visitedDate);
}
if (self::arrayHas($json, 'data.attributes.is-followed')) {
$isFollowed = self::arrayGet($json, 'data.attributes.is-followed');
if ($isFollowed) {
$thread->addFollowingByUser($user->id);
} else {
$thread->removeFollowingByUser($user->id);
}
}
if (self::arrayGet($json, 'data.attributes.content')) {
if ($thread['context_type'] !== 'course') {
throw new BadRequestException('Only blubber threads of context-type course can be edited.');
}
$course = \Course::find($thread['context_id']);
if (!Authority::canEditCourseBlubberThread($this->getUser($request), $course)) {
throw new AuthorizationFailedException();
}
$thread['content'] = self::arrayGet($json, 'data.attributes.content');
$thread->store();
}
return $this->getContentResponse($thread);
}
protected function validateResourceDocument($json, $data)
{
if (self::arrayHas($json, 'data.attributes.visited-at')) {
$visitedAt = self::arrayGet($json, 'data.attributes.visited-at');
if (!self::isValidTimestamp($visitedAt)) {
return '`visited-at` is not an ISO 8601 timestamp.';
}
}
if (self::arrayHas($json, 'data.attributes.is-followed')) {
$isFollowed = self::arrayGet($json, 'data.attributes.is-followed');
if (!is_bool($isFollowed)) {
return '`is-followed` is not a boolean value.';
}
}
}
}
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