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<?php |
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namespace JDecool\JsonFeed\Writer\Version1; |
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use DateTime; |
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use JDecool\JsonFeed\Attachment; |
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use JDecool\JsonFeed\Author; |
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use JDecool\JsonFeed\Feed; |
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use JDecool\JsonFeed\Hub; |
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use JDecool\JsonFeed\Item; |
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use JDecool\JsonFeed\Versions; |
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use JDecool\JsonFeed\Writer\RendererInterface; |
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class Renderer implements RendererInterface |
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{ |
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/** @var int `json_encode` bitmask */ |
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private $flags = 0; |
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/** |
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* Constructor |
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* |
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* @property int $flags |
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*/ |
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public function __construct($flags = null) |
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{ |
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if (null === $flags) { |
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$flags = JSON_UNESCAPED_SLASHES|JSON_PRETTY_PRINT; |
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} |
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$this->flags = $flags; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function render(Feed $feed) |
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{ |
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$result = [ |
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'version' => Versions::VERSION_1, |
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'title' => $feed->getTitle(), |
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]; |
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if ($homepageUrl = $feed->getHomepageUrl()) { |
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$result['home_page_url'] = $homepageUrl; |
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} |
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if ($feedUrl = $feed->getFeedUrl()) { |
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$result['feed_url'] = $feedUrl; |
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} |
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if ($description = $feed->getDescription()) { |
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$result['description'] = $description; |
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} |
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if ($userComment = $feed->getUserComment()) { |
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$result['user_comment'] = $userComment; |
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} |
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if ($nextUrl = $feed->getNextUrl()) { |
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$result['next_url'] = $nextUrl; |
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} |
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if ($icon = $feed->getIcon()) { |
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$result['icon'] = $icon; |
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} |
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if ($favicon = $feed->getFavicon()) { |
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$result['favicon'] = $favicon; |
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} |
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if ($author = $feed->getAuthor()) { |
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$result['author'] = $this->renderAuthor($author); |
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} |
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if (null !== $expired = $feed->isExpired()) { |
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$result['expired'] = (bool) $expired; |
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} |
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if ($items = $feed->getItems()) { |
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$result['items'] = array_map(function(Item $item) { |
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return $this->renderItem($item); |
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}, $items); |
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} |
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if ($hubs = $feed->getHubs()) { |
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$result['hubs'] = array_map(function(Hub $hub) { |
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return $this->renderHub($hub); |
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}, $hubs); |
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} |
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return json_encode($result, $this->flags); |
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} |
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/** |
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* Render item |
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* |
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* @param Item $item |
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* @return array |
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*/ |
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private function renderItem(Item $item) |
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{ |
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$result = [ |
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'id' => $item->getId(), |
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]; |
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if ($url = $item->getUrl()) { |
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$result['url'] = $url; |
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} |
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if ($externalUrl = $item->getExternalUrl()) { |
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$result['external_url'] = $externalUrl; |
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} |
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if ($title = $item->getTitle()) { |
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$result['title'] = $title; |
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} |
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if ($contentHtml = $item->getContentHtml()) { |
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$result['content_html'] = $contentHtml; |
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} |
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if ($contentText = $item->getContentText()) { |
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$result['content_text'] = $contentText; |
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} |
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if ($summary = $item->getSummary()) { |
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$result['summary'] = $summary; |
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} |
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if ($image = $item->getImage()) { |
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$result['image'] = $image; |
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} |
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if ($bannerImage = $item->getBannerImage()) { |
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$result['banner_image'] = $bannerImage; |
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} |
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if ($datePublished = $item->getDatePublished()) { |
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$result['date_published'] = $datePublished->format(DateTime::ATOM); |
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} |
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if ($dateModified = $item->getDateModified()) { |
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$result['date_modified'] = $dateModified->format(DateTime::ATOM); |
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} |
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if ($tags = $item->getTags()) { |
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$result['tags'] = $tags; |
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} |
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if ($attachments = $item->getAttachments()) { |
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$result['attachments'] = array_map(function(Attachment $attachment) { |
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return $this->renderAttachment($attachment); |
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}, $attachments); |
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} |
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if ($author = $item->getAuthor()) { |
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$result['author'] = $this->renderAuthor($author); |
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} |
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if ($extensions = $item->getExtensions()) { |
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foreach ($extensions as $key => $extension) { |
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$result['_'.$key] = $extension; |
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} |
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} |
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return $result; |
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} |
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/** |
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* Render attachment |
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* |
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* @param Attachment $attachment |
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* @return array |
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*/ |
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private function renderAttachment(Attachment $attachment) |
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{ |
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$result = [ |
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'url' => $attachment->getUrl(), |
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'mime_type' => $attachment->getMimeType(), |
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]; |
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if ($title = $attachment->getTitle()) { |
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$result['title'] = $title; |
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} |
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if ($size = $attachment->getSize()) { |
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$result['size_in_bytes'] = $size; |
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} |
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if ($duration = $attachment->getDuration()) { |
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$result['duration_in_seconds'] = $duration; |
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} |
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return $result; |
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} |
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/** |
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* Render author |
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* |
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* @param Author $author |
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* @return array |
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*/ |
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private function renderAuthor(Author $author) |
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{ |
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$result = []; |
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if ($name = $author->getName()) { |
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$result['name'] = $name; |
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} |
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if ($url = $author->getUrl()) { |
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$result['url'] = $url; |
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} |
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if ($avatar = $author->getAvatar()) { |
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$result['avatar'] = $avatar; |
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} |
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return $result; |
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} |
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/** |
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* Render hub |
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* |
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* @param Hub $hub |
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* @return array |
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*/ |
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private function renderHub(Hub $hub) |
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{ |
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return [ |
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'type' => $hub->getType(), |
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'url' => $hub->getUrl(), |
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]; |
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} |
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} |
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jdecool /
jsonfeed
