function __construct($title)
{
parent::__construct($title);
$this->mQuizElement = WikiaQuizElement::newFromArticle($this);
}
/**
* Load quiz data (try to use cache layer)
*/
private function load($master = false)
{
global $wgMemc;
wfProfileIn(__METHOD__);
if (!$master) {
$this->mData = $wgMemc->get($this->mMemcacheKey);
}
if (empty($this->mData)) {
$article = Article::newFromID($this->mQuizId);
// check quiz existence
if (empty($article)) {
wfDebug(__METHOD__ . ": quiz doesn't exist\n");
wfProfileOut(__METHOD__);
return;
}
// get quiz's author and creation timestamp
$title = $article->getTitle();
$firstRev = $title->getFirstRevision();
$titleText = $title->getText();
$titleScreenText = '';
$fbRecommendationText = '';
$images = array();
$imageShorts = array();
$moreInfoHeading = '';
$moreInfoLinks = array();
// parse wikitext containing quiz data
$content = $article->getContent();
$lines = explode("\n", $content);
foreach ($lines as $line) {
if (startsWith($line, self::TITLESCREENTEXT_MARKER)) {
$titleScreenText = trim(substr($line, strlen(self::TITLESCREENTEXT_MARKER)));
} elseif (startsWith($line, self::FBRECOMMENDATIONTEXT_MARKER)) {
$fbRecommendationText = trim(substr($line, strlen(self::FBRECOMMENDATIONTEXT_MARKER)));
} elseif (startsWith($line, self::IMAGE_MARKER)) {
$imageShort = trim(substr($line, strlen(self::IMAGE_MARKER)));
$images[] = $this->getImageSrc($imageShort);
$imageShorts[] = $imageShort;
} elseif (startsWith($line, self::MOREINFOHEADING_MARKER)) {
$moreInfoHeading = trim(substr($line, strlen(self::MOREINFOHEADING_MARKER)));
} elseif (startsWith($line, self::MOREINFOLINK_MARKER)) {
$moreInfo = substr($line, strlen(self::MOREINFOLINK_MARKER));
$moreInfoChunks = explode(self::MOREINFOLINK_TEXT_MARKER, $moreInfo);
if (Http::isValidURI($moreInfoChunks[0])) {
$moreInfoUrl = $moreInfoChunks[0];
} else {
$title = Title::newFromText($moreInfoChunks[0]);
$moreInfoUrl = $title->getFullUrl();
}
$moreInfoLinks[] = array('article' => $moreInfoChunks[0], 'url' => $moreInfoUrl, 'text' => isset($moreInfoChunks[1]) ? $moreInfoChunks[1] : '');
} elseif (startsWith($line, self::REQUIRE_EMAIL_MARKER)) {
$line = substr($line, strlen(self::REQUIRE_EMAIL_MARKER));
$requireEmail = $line == 'true';
}
}
// load quiz's elements
if (empty($this->mCategory)) {
$catName = self::QUIZ_CATEGORY_PREFIX . $titleText;
$cat = Category::newFromName($catName);
$this->mCategory = $cat;
}
$quizElements = array();
if (empty($this->mCategory) || !$this->mCategory->getID()) {
wfDebug(__METHOD__ . ": quiz's category doesn't exist\n");
} else {
// get quiz elements
$quizIterator = $this->mCategory->getMembers();
while ($quizElementTitle = $quizIterator->current()) {
$quizElement = WikiaQuizElement::newFromId($quizElementTitle->getArticleId());
$quizElements[] = $quizElement->getData();
$quizIterator->next();
}
}
$this->mData = array('id' => $this->mQuizId, 'name' => $titleText, 'requireEmail' => !empty($requireEmail), 'elements' => $quizElements, 'titlescreentext' => $titleScreenText, 'fbrecommendationtext' => $fbRecommendationText, 'images' => $images, 'imageShorts' => $imageShorts, 'moreinfoheading' => $moreInfoHeading, 'moreinfo' => $moreInfoLinks);
wfDebug(__METHOD__ . ": loaded from scratch\n");
// store it in memcache
$wgMemc->set($this->mMemcacheKey, $this->mData, self::CACHE_TTL);
} else {
wfDebug(__METHOD__ . ": loaded from memcache\n");
}
$this->mExists = true;
wfProfileOut(__METHOD__);
return;
}
public function executeEditQuizArticle($params)
{
$title = Title::newFromText($params['title'], NS_WIKIA_QUIZARTICLE);
if (is_object($title) && $title->exists()) {
$this->quizElement = WikiaQuizElement::NewFromTitle($title);
$this->data = $this->quizElement->getData();
}
}
private static function parseCreateEditQuizArticleRequest(WebRequest $request, WikiaQuizElement $quizElement, &$error)
{
if (!empty($quizElement)) {
$title = $quizElement->getTitle();
$quiz = $quizElement->getQuizTitle();
$order = $quizElement->getOrder();
} else {
$order = '';
$title = trim($request->getVal('question'));
$quiz = trim($request->getVal('quiz'));
}
$image = trim($request->getVal('image'));
$explanation = trim($request->getVal('explanation'));
$video = trim($request->getVal('video'));
$answers = $request->getArray('answer');
// array
$correctAnswer = trim($request->getVal('correct'));
$answerImages = $request->getArray('answer-image');
// array
$content = "";
$content .= WikiaQuizElement::TITLE_MARKER . $title . "\n";
if ($image) {
if (!self::isValidImage($image)) {
$error = wfMsg('wikiaquiz-error-invalid-image', $image);
return;
}
$content .= WikiaQuizElement::IMAGE_MARKER . $image . "\n";
}
if ($video) {
if (!self::isValidVideo($video)) {
$error = wfMsg('wikiaquiz-error-invalid-video', $video);
return;
}
$content .= WikiaQuizElement::VIDEO_MARKER . $video . "\n";
}
if ($explanation) {
$content .= WikiaQuizElement::EXPLANATION_MARKER . $explanation . "\n";
}
if ($quiz) {
$content .= self::getCategoryText($quiz, $order);
} else {
$error = wfMsg('wikiaquiz-error-invalid-quiz');
return;
}
$answerExists = false;
$correctAnswerExists = false;
foreach ($answers as $index => $answer) {
$answer = trim($answer);
if ($answer) {
$answerExists = true;
$correctAnswerContent = "";
if ($index == $correctAnswer) {
if ($correctAnswerExists) {
$error = wfMsg('wikiaquiz-error-invalid-correct-answer');
return;
} else {
$correctAnswerExists = true;
}
$correctAnswerContent .= WikiaQuizElement::CORRECT_ANSWER_MARKER . ' ';
}
$answerImageContent = "";
$answerImage = trim($answerImages[$index]);
if ($answerImage) {
if (!self::isValidImage($answerImage)) {
$error = wfMsg('wikiaquiz-error-invalid-image', $answerImage);
return;
}
$answerImageContent .= WikiaQuizElement::ANSWER_IMAGE_MARKER . $answerImages[$index];
}
$content .= WikiaQuizElement::ANSWER_MARKER . "{$correctAnswerContent}{$answer}{$answerImageContent}\n";
}
}
if (!$answerExists) {
$error = wfMsg('wikiaquiz-error-missing-answers');
return;
}
if (!$correctAnswerExists) {
$error = wfMsg('wikiaquiz-error-invalid-correct-answer');
return;
}
return $content;
}
