376 lines
12 KiB
PHP
376 lines
12 KiB
PHP
<?php
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class NationalGeographicBridge extends BridgeAbstract
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{
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const CONTEXT_BY_TOPIC = 'By Topic';
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const PARAMETER_TOPIC = 'topic';
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const PARAMETER_FULL_ARTICLE = 'full';
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const TOPIC_MAGAZINE = 'Magazine';
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const TOPIC_LATEST_STORIES = 'Latest Stories';
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const CACHE_TIMEOUT = 900; //15 min
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const NAME = 'National Geographic';
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const URI = 'https://www.nationalgeographic.com/';
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const DESCRIPTION = 'Fetches the latest articles from the National Geographic Magazine';
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const MAINTAINER = 'csisoap';
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const PARAMETERS = [
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self::CONTEXT_BY_TOPIC => [
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self::PARAMETER_TOPIC => [
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'name' => 'Topic',
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'type' => 'list',
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'values' => [
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self::TOPIC_MAGAZINE => 'magazine',
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self::TOPIC_LATEST_STORIES => 'latest-stories'
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],
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'title' => 'Select your topic',
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'defaultValue' => 'Magazine'
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]
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],
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'global' => [
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self::PARAMETER_FULL_ARTICLE => [
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'name' => 'Full Article',
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'type' => 'checkbox',
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'title' => 'Enable to load full articles and other infos (takes longer)'
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]
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]
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];
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private $topicName = '';
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const CONTEXT = 'eyJjb250ZW50VHlwZSI6IlVuaXNvbkh1YiIsInZhcmlhYmxlcyI6eyJsb2NhdG9yIjoiL3BhZ2VzL3
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RvcGljL2xhdGVzdC1zdG9yaWVzIiwicG9ydGZvbGlvIjoibmF0Z2VvIiwicXVlcn
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lUeXBlIjoiTE9DQVRPUiJ9LCJtb2R1bGVJZCI6bnVsbH0';
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const LATEST_STORIES_ID = [
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'1df278bb-0e3d-4a67-a0ce-8fae48392822-f2-m1'
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];
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const MAGAZINE_ID = [
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'94d87d74-f41a-4a32-9acd-b591ba2df288-f2-m1',
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'94d87d74-f41a-4a32-9acd-b591ba2df288-f5-m2',
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];
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public function getURI()
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{
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switch ($this->queriedContext) {
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case self::CONTEXT_BY_TOPIC:
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return self::URI . $this->getInput(self::PARAMETER_TOPIC);
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default:
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return parent::getURI();
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}
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}
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private function getAPIURL($id)
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{
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$context = preg_replace('/\s*/m', '', self::CONTEXT);
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$url = 'https://www.nationalgeographic.com/proxy/hub?context='
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. $context . '&id=' . $id
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. '&moduleType=InfiniteFeedModule&_xhr=pageContent';
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return $url;
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}
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public function collectData()
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{
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$this->topicName = $this->getTopicName($this->getInput(self::PARAMETER_TOPIC));
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switch ($this->topicName) {
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case self::TOPIC_MAGAZINE:
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return $this->collectMagazine();
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case self::TOPIC_LATEST_STORIES:
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return $this->collectLatestStories();
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default:
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returnServerError('Unknown topic: "' . $this->topicName . '"');
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}
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}
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public function getName()
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{
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switch ($this->queriedContext) {
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case self::CONTEXT_BY_TOPIC:
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return static::NAME . ': ' . $this->topicName;
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default:
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return parent::getName();
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}
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}
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private function getTopicName($topic)
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{
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return array_search($topic, static::PARAMETERS[self::CONTEXT_BY_TOPIC][self::PARAMETER_TOPIC]['values']);
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}
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private function collectMagazine()
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{
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$stories = [];
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foreach (self::MAGAZINE_ID as $id) {
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$uri = $this->getAPIURL($id);
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$json_raw = getContents($uri);
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$json = json_decode($json_raw, true)['tiles'];
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$stories = array_merge($json, $stories);
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}
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foreach ($stories as $story) {
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$this->addStory($story);
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}
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}
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private function collectLatestStories()
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{
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$stories = [];
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foreach (self::LATEST_STORIES_ID as $id) {
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$uri = $this->getAPIURL($id);
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$json_raw = getContents($uri);
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$json = json_decode($json_raw, true)['tiles'];
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$stories = array_merge($stories, $json);
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}
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foreach ($stories as $story) {
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$this->addStory($story);
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}
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}
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private function addStory($story)
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{
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$title = 'Unknown title';
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$content = '';
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$story_type = '';
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$uri = '';
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foreach ($story['ctas'] as $component) {
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$uri = $component['url'];
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$story_type = $component['icon'];
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}
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$item = [];
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if (isset($story['description'])) {
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$content = '<p>' . $story['description'] . '</p>';
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}
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$title = $story['title'];
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$item['uri'] = $uri;
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$item['title'] = $story['title'];
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// if full article is requested!
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if ($this->getInput(self::PARAMETER_FULL_ARTICLE)) {
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if ($story_type != 'interactive') {
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/* Nat Geo doesn't provided much info about interactive page
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* and it requires JS to load the interactive.
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*/
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$article_data = $this->getFullArticle($item['uri']);
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$item['timestamp'] = $article_data['published_date'];
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$item['author'] = $article_data['authors'];
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$item['content'] = $content . $article_data['content'];
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} else {
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$item['content'] = $content;
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}
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} else {
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$item['content'] = $content;
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}
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$image = $story['img'];
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$item['enclosures'][] = str_replace(' ', '%20', $image['src']);
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foreach ($story['tags'] as $tag) {
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$item['categories'][] = $tag['name'] ?? $tag;
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}
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$this->items[] = $item;
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}
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private function filterArticleData($data)
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{
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$article_module = array_filter(
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$data,
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function ($item) {
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if (isset($item['id']) && $item['id'] == 'natgeo-template1-frame-1') {
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return true;
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}
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}
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);
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$article_data = array_reduce(
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$article_module,
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function (array $carry, array $item) {
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$module = $item['mods'];
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return array_merge(
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$carry,
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array_filter(
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$module,
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function ($data) {
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return $data['id'] == 'natgeo-template1-frame-1-module-1';
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}
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)
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);
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},
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[]
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);
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return $article_data[0];
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}
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private function handleImages($image_module, $image_type)
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{
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$image_alt = '';
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$image_credit = '';
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$image_src = '';
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$image_caption = '';
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$caption = '';
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switch ($image_type) {
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case 'image':
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case 'imagegroup':
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$image = $image_module['image'] ?? null;
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if (!$image) {
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return '';
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}
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$image_src = $image['src'];
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if (isset($image_module['alt'])) {
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$image_alt = $image_module['alt'];
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} elseif (isset($image['altText'])) {
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$image_alt = $image['altText'];
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}
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if (isset($image['crdt'])) {
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$image_credit = $image['crdt'];
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}
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$caption = ($image_module['caption'] ?? '');
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break;
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case 'photogallery':
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$image_credit = ($image_module['caption']['credit'] ?? '');
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$caption = $image_module['caption']['text'];
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$image_src = $image_module['img']['src'];
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$image_alt = $image_module['img']['altText'];
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break;
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case 'video':
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$image_credit = ($image_module['credit'] ?? '');
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$description = ($image_module['description'] ?? '');
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$caption = $description . ' Video can be watched on the article\'s page';
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$image = $image_module['image'];
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$image_alt = $image['altText'];
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$image_src = $image['src'];
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}
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$image_caption = $caption . ' ' . $image_credit
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. '. Notes: Some image may have copyrighted on it.';
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$wrapper = <<<EOD
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<figure>
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<img src="{$image_src}" alt="{$image_alt}">
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<figcaption>$image_caption</figcaption>
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</figure>
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EOD;
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return $wrapper;
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}
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private function getFullArticle($uri)
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{
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$html = getContents($uri);
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$scriptRegex = '/window\[\'__natgeo__\'\]=(.*);<\/script>/';
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preg_match($scriptRegex, $html, $matches, PREG_OFFSET_CAPTURE, 0);
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$json = json_decode($matches[1][0], true);
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if (isset($json['page']['content']['article']['frms'])) {
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$unfiltered_data = $json['page']['content']['article']['frms'];
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} else {
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$unfiltered_data = $json['page']['content']['prismarticle']['frms'];
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}
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$filtered_data = $this->filterArticleData($unfiltered_data);
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$article = $filtered_data['edgs'][0];
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$contributors = $article['cntrbGrp'];
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$authors = [];
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if (count($contributors) > 0) {
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$authors = $contributors[0]['contributors'];
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}
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$authors_name = '';
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$counter = 0;
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foreach ($authors as $author) {
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$counter++;
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if ($counter == count($authors)) {
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$authors_name .= $author['displayName'];
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} else {
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$authors_name .= $author['displayName'] . ', ';
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}
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}
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$published_date = $article['pbDt'] ?? $article['dt'];
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$article_body = $article['bdy'];
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$content = '';
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foreach ($article_body as $body) {
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switch ($body['type']) {
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case 'p':
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$content .= '<p>' . $body['cntnt']['mrkup'] . '</p>';
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break;
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case 'h2':
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$content .= '<h2>' . $body['cntnt']['mrkup'] . '</h2>';
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break;
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case 'inline':
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$module = $body['cntnt'];
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if (empty($module)) {
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continue 2;
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}
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switch ($module['cmsType']) {
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case 'image':
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$content .= $this->handleImages($module, $module['cmsType']);
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break;
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case 'imagegroup':
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$images = $module['images'];
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foreach ($images as $image) {
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$content .= $this->handleImages($image, $module['cmsType']);
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}
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break;
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case 'editorsNote':
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$content .= $module['note'];
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break;
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case 'listicle':
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$content .= '<h2>' . ($module['title'] ?? '(no title)') . '</h2>';
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if (isset($module['image'])) {
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$content .= $this->handleImages($module['image'], $module['image']['cmsType']);
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}
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$content .= '<p>' . ($module['text'] ?? '') . '</p>';
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break;
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case 'photogallery':
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$gallery = $body['cntnt']['media'];
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foreach ($gallery as $image) {
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$content .= $this->handleImages($image, $module['cmsType']);
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}
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break;
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case 'video':
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$content .= $this->handleImages($module, $module['cmsType']);
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break;
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case 'pullquote':
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$quote = $module['quote'];
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$author_name = '';
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$authors = ($module['byLineProps']['authors'] ?? []);
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foreach ($authors as $author) {
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$author_desc = ($author['authorDesc'] ?? '');
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$author_name .= $author['displayName'] . ', ' . $author_desc;
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}
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$content .= <<<EOD
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<figure>
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<blockquote>
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<p>$quote</p>
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</blockquote>
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<figcaption>$author_name</figcaption>
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</figure>
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EOD;
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break;
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}
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break;
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case 'ul':
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$content .= $body['cntnt']['mrkup'] . '<hr>';
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break;
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}
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}
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return [
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'content' => $content,
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'published_date' => $published_date,
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'authors' => $authors_name
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];
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}
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}
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