public function update_item($request)
{
$retval = false;
$params = $request->get_params();
if (isset($params['id']) && isset($params['is_answer'])) {
$response = new \WeBWorK\Server\Response($params['id']);
if ($response->exists()) {
$response->set_is_answer($params['is_answer']);
$response->save();
$q = new \WeBWork\Server\Question\Query(array('question_id' => $response->get_question_id()));
$retval = $q->get_for_endpoint();
}
}
$response = rest_ensure_response($retval);
if ($retval) {
$response->set_status(200);
} else {
$response->set_status(500);
}
return $response;
}
public function get_item($request)
{
$params = $request->get_params();
$problem_id = $params['problem_id'];
$post_data = array();
if (isset($params['post_data_key'])) {
$post_data = get_option($params['post_data_key']);
}
$question_query = new \WeBWork\Server\Question\Query(array('problem_id' => $problem_id, 'orderby' => $params['orderby'], 'order' => 'DESC'));
$questions = $question_query->get_for_endpoint();
if (!$questions && $post_data) {
// Fake a problem from post data.
$pf = new \WeBWorK\Server\Util\ProblemFormatter();
$text = $post_data['problem_text'];
$text = $pf->clean_problem_from_webwork($text);
$text = $pf->replace_latex_escape_characters($text);
$problem = array('problemId' => $problem_id, 'libraryId' => $problem_id, 'content' => $text, 'problemSet' => $post_data['problem_set']);
} else {
/**
* If the current user has posted a question, use its data for problem.
*
* Start at the end of the array, since the first one is most likely
* to have a value (it came directly from WeBWorK).
*/
$my_question = null;
foreach (array_reverse($questions) as $question) {
if ($question['isMyQuestion']) {
$my_question = $question;
break;
}
}
if ($my_question && !empty($my_question['problemText'])) {
$problem = array('problemId' => $problem_id, 'libraryId' => $problem_id, 'content' => $my_question['problemText'], 'problemSet' => $my_question['problemSet']);
} else {
// Just use the first one created.
$the_question = end($questions);
$problem = array('problemId' => $problem_id, 'libraryId' => $problem_id, 'content' => $the_question['problemText'], 'problemSet' => $the_question['problemSet']);
}
}
$questions_by_id = array_keys($questions);
$response_query = new \WeBWork\Server\Response\Query(array('question_id__in' => $questions_by_id));
$responses = $response_query->get_for_endpoint();
$response_id_map = array();
$response_ids = $questions_by_id;
foreach ($responses as $response) {
$r_question_id = $response['questionId'];
$response_id_map[$r_question_id][] = $response['responseId'];
$response_ids[] = $response['responseId'];
}
// todo find a better way to do this
$scores = array();
foreach ($questions_by_id as $qid) {
$vq = new \WeBWork\Server\Vote\Query(array('item_id' => $qid, 'user_id__not_in' => array(get_current_user_id())));
$q_votes = $vq->get();
$score = 0;
foreach ($q_votes as $q_vote) {
$score += $q_vote->value;
}
$scores[$qid] = $score;
}
$vote_query = new \WeBWork\Server\Vote\Query(array('user_id' => get_current_user_id(), 'item_id__in' => array_merge($questions_by_id, $response_ids)));
$vote_data = $vote_query->get();
$votes = array();
foreach ($vote_data as $vote) {
if (1 == $vote->value) {
$value = 'up';
} else {
$value = 'down';
}
$votes[$vote->item_id] = $value;
}
$data = array('filterOptions' => $question_query->get_all_filter_options(), 'problems' => array($problem_id => $problem), 'questions' => $questions, 'questionsById' => $questions_by_id, 'responseIdMap' => $response_id_map, 'responses' => $responses, 'scores' => $scores, 'votes' => $votes);
return $data;
}