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<?php
namespace JsonApi\Routes\Forum;
use JsonApi\Errors\AuthorizationFailedException;
use JsonApi\Errors\RecordNotFoundException;
use Psr\Http\Message\ServerRequestInterface as Request;
use Psr\Http\Message\ResponseInterface as Response;
use JsonApi\JsonApiController;
use Forum\Discussion;
class DiscussionIndex extends JsonApiController
{
protected $allowedPagingParameters = ['offset', 'limit'];
protected $allowedFilteringParameters = [
'last-visit',
'keyword',
'begin',
'end',
'topic-ids',
'type-ids',
'tag-ids',
'user-ids',
'status'
];
protected $allowedIncludePaths = [
\JsonApi\Schemas\Forum\Category::REL_TOPICS,
\JsonApi\Schemas\Forum\Discussion::REL_CATEGORY,
\JsonApi\Schemas\Forum\Discussion::REL_USER,
\JsonApi\Schemas\Forum\Discussion::REL_DISCUSSION_TYPE,
\JsonApi\Schemas\Forum\Discussion::REL_MEMBERS,
\JsonApi\Schemas\Forum\Discussion::REL_TAGS
];
public function __invoke(Request $request, Response $response, $args)
{
$range = get_object_by_range_id($args['range_id']);
if (!$range) {
throw new RecordNotFoundException();
}
$user = $this->getUser($request);
if (!Authority::canShowForum($user, $range)) {
throw new AuthorizationFailedException();
}
$filters = $this->getFilter();
if ($filters) {
$_SESSION['forum'][$range->id]['search_filter'] = $filters;
}
$discussions = Discussion::getCourseDiscussions($range->id, $filters);
return $this->getPaginatedContentResponse(
array_slice($discussions, ...$this->getOffsetAndLimit()),
count($discussions)
);
}
private function getFilter(): array
{
$filtering = $this->getQueryParameters()->getFilteringParameters() ?: [];
$discussion_filter = [];
if (isset($filtering['last-visit'])) {
$discussion_filter['last_visit'] = (int) $filtering['last-visit'];
}
if (isset($filtering['keyword'])) {
$discussion_filter['keyword'] = $filtering['keyword'];
}
if (isset($filtering['status'])) {
$discussion_filter['status'] = (int) $filtering['status'];
}
if (isset($filtering['begin'])) {
$discussion_filter['begin'] = (int) $filtering['begin'];
}
if (isset($filtering['end'])) {
$discussion_filter['end'] = (int) $filtering['end'];
}
if (isset($filtering['topic-ids'])) {
$discussion_filter['topic_ids'] = explode(',', $filtering['topic-ids']);
}
if (isset($filtering['type-ids'])) {
$discussion_filter['type_ids'] = explode(',', $filtering['type-ids']);
}
if (isset($filtering['tag-ids'])) {
$discussion_filter['tag_ids'] = explode(',', $filtering['tag-ids']);
}
if (isset($filtering['user-ids'])) {
$discussion_filter['user_ids'] = explode(',', $filtering['user-ids']);
}
return $discussion_filter;
}
}
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