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<?php
/**
* A bridge allowing fetching of Radio France radios transcripts.
* I expect it to work at least for France Inter and France Culture.
* I currently test it with
* * Burne Out (https://www.radiofrance.fr/franceinter/podcasts/burne-out)
* * La méthode scientifique (https://www.radiofrance.fr/franceculture/podcasts/la-methode-scientifique)
* * Las science CQFD
*/
class RadioFranceBridge extends BridgeAbstract
{
const NAME = 'Radio France';
const URI = 'https://www.radiofrance.fr/franceinter/podcasts';
const DESCRIPTION = 'A bridge allowing to read transcripts for Radio France shows';
const MAINTAINER = 'Riduidel';
const DEFAULT_DOMAIN = 'https://www.radiofrance.fr';
/*
* The URL Prefix of the (Webapp-)API
* @const APIENDPOINT https-URL of the used endpoint
*/
const APIENDPOINT = 'https://www.radiofrance.fr/api/v2.0/path';
const PARAMETERS = [
[
'domain' => [
'name' => 'Domain to use',
'required' => true,
'defaultValue' => self::DEFAULT_DOMAIN
],
'page' => [
'name' => 'Initial page to load',
'required' => true,
'exampleValue' => 'franceinter/podcasts/burne-out'
]
]];
private function getDomain()
{
$domain = $this->getInput('domain');
if (empty($domain)) {
$domain = self::DEFAULT_DOMAIN;
}
if (strpos($domain, '://') === false) {
$domain = 'https://' . $domain;
}
return $domain;
}
public function getURI()
{
return $this->getDomain() . '/' . $this->getInput('page');
}
public function collectData()
{
$html = getSimpleHTMLDOM($this->getURI());
// An array of dom nodes
$documentsList = $html->find('.DocumentsList', 0);
$documentsListWrapper = $documentsList->find('.DocumentsList-wrapper', 0);
$cardList = $documentsListWrapper->find('.CardMedia');
foreach ($cardList as $card) {
$item = [];
$title_link = $card->find('.ConceptTitle a', 0);
$item['title'] = $title_link->plaintext;
$uri = $title_link->getAttribute('href', 0);
switch (substr($uri, 0, 1)) {
case 'h': // absolute uri
$item['uri'] = $uri;
break;
case '/': // domain relative uri
$item['uri'] = $this->getDomain() . $uri;
break;
default:
$item['uri'] = $this->getDomain() . '/' . $uri;
}
// Finally, obtain the mp3 from some weird Radio France API (url obtained by reading network calls, no less)
$media_url = self::APIENDPOINT . '?value=' . $uri;
$rawJSON = getSimpleHTMLDOMCached($media_url);
$processedJSON = json_decode($rawJSON);
$model_content = $processedJSON->content;
if (empty($model_content->manifestations)) {
error_log("Seems like $uri has no manifestation");
} else {
$item['enclosures'] = [ $model_content->manifestations[0]->url ];
$item['content'] = '';
if (isset($model_content->visual)) {
$item['content'] .= "<img
src=\"{$model_content->visual->src}\"
alt=\"{$model_content->visual->legend}\"
style=\"float:left; width:400px; margin: 1em;\"/>";
}
if (isset($model_content->standFirst)) {
$item['content'] .= $model_content->standFirst;
}
if (isset($model_content->bodyJson)) {
if (!empty($item['content'])) {
$item['content'] .= '<hr/>';
}
$pseudo_html_array = array_map([$this, 'convertJsonElementToHTML'], $model_content->bodyJson);
$pseudo_html_text = array_reduce(
$pseudo_html_array,
function ($text, $element) {
return $text . "\n" . $element;
},
''
);
$item['content'] .= $pseudo_html_text;
}
if (isset($model_content->producers)) {
$item['author'] = $this->readAuthorsNamesFrom($model_content->producers);
} elseif (isset($model_content->staff)) {
$item['author'] = $this->readAuthorsNamesFrom($model_content->staff);
}
$time = $card->find('time', 0);
$timevalue = $time->getAttribute('datetime');
$item['timestamp'] = strtotime($timevalue);
$this->items[] = $item;
}
}
}
private function readAuthorsNamesFrom($persons_array)
{
$persons_names = array_map(function ($person_element) {
return $person_element->name;
}, $persons_array);
return array_reduce($persons_names, function ($a, $b) {
if (!empty($a)) {
$a .= ', ';
}
return $a . $b;
}, '');
}
private function convertJsonElementToHTML($jsonElement)
{
$childText = isset($jsonElement->children) ? $this->convertJsonChildrenToHTML($jsonElement->children) : '';
$valueText = isset($jsonElement->value) ? $jsonElement->value : '';
switch ($jsonElement->type) {
case 'text':
return "{$childText}{$valueText}";
case 'heading':
$level = $jsonElement->level;
return "<h$level>{$childText}{$valueText}</h$level>";
case 'list':
$tag = 'ul';
if (isset($jsonElement->ordered)) {
if ($jsonElement->ordered) {
$tag = 'ol';
}
}
return "<$tag>\n" . $childText . "</$tag>\n";
case 'list_item':
return "<li>{$childText}{$valueText}</li>\n";
case 'bounce':
return '';
case 'paragraph':
return "<p>{$childText}{$valueText}</p>\n";
case 'quote':
return "<blockquote>{$childText}{$valueText}</blockquote>\n";
case 'link':
return "<a href=\"{$jsonElement->data->href}\">{$childText}{$valueText}</a>\n";
case 'audio':
return '';
case 'embed':
return $jsonElement->data->html;
default:
return $jsonElement->value;
}
}
private function convertJsonChildrenToHTML($children)
{
$converted = array_map([$this, 'convertJsonElementToHTML'], $children);
return array_reduce($converted, function ($a, $b) {
return $a . $b;
}, '');
}
private function removeAds($element)
{
$ads = $element->find('AdSlot');
foreach ($ads as $ad) {
$ad->remove();
}
return $element;
}
/**
* Replaces all relative URIs with absolute ones
* @param $element A simplehtmldom element
* @return The $element->innertext with all URIs replaced
*/
private function replaceUriInHtmlElement($element)
{
$returned = $element->innertext;
foreach (self::REPLACED_ATTRIBUTES as $initial => $final) {
$returned = str_replace($initial . '="/', $final . '="' . self::URI . '/', $returned);
}
return $returned;
}
}
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