<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0">
	<title>Revue de presse - Epub</title>
	<link rel="icon" type="image/png" href="1F4F0_color.png" /></head>
<body>

<?php

	require 'settings.php';
	require 'TPEpubCreator.php';

	function get_clean_html($node)
	{
		// todo check words with "-" (like "sous-traitance")
		$innerHTM = '';
		foreach ($node->childNodes as $childNode){
			$nodeHTML = $childNode->ownerDocument->saveHTML($childNode);

			$nodeHTML = str_replace('<aside', '<b><i', $nodeHTML);
			$nodeHTML = str_replace('</aside', '</i></b', $nodeHTML);

			$nodeHTML = str_replace('<blockquote', '<b><i', $nodeHTML);
			$nodeHTML = str_replace('</blockquote', '</i></b', $nodeHTML);

			$innerHTML .= $nodeHTML;
		}
		return '<div>' . strip_tags($innerHTML, '<p><b><h2><i><strong>') . '</div>';
	}

	function add_mp_article($url, $context, $epub)
	{
		if (isset($_POST['mptoday']) && $_POST['mptoday'] && !str_contains($url, (new DateTime('today'))->format('dmy')))
		{
			return;
		}
		// todo filter on "A la une" ? in rss item dc:subject contains "A la Une"

		$article = file_get_contents($url, false, $context);
		$doc = new DOMDocument();
		$doc->loadHTML($article);
		$finder = new DomXPath($doc);

		$title = $finder->query('//h1')->item(0)->textContent;
		$author = $finder->query('//a[contains(@href, "biographie")]')->item(0)->textContent;
		$date = trim($finder->query('//time')->item(1)->textContent);
		$summary = $finder->query('//p[contains(@class, "news__heading__top__intro")]')->item(0)->textContent;

		// strip images
		$toremove = $finder->query('//svg');
		foreach ($toremove as $elt)
		{
			$elt->parentNode->removeChild($elt);
		}
		$toremove = $finder->query('//figure');
		foreach ($toremove as $elt)
		{
			$elt->parentNode->removeChild($elt);
		}
		$toremove = $finder->query('//span[@class="screen-reader-only"]');
		foreach ($toremove as $elt)
		{
			$elt->parentNode->removeChild($elt);
		}

		$result = '<h1>' . $title . '</h1>';
		$result .= '<p>' . $author . '</p>';
		$result .= '<p>' . $date . '</p>';
		$result .= '<p><b>' . $summary . '</b></p>';

		$nodes = $finder->query('//div[contains(@class, "paywall-restricted-content")]');
		if (!$nodes->length)
		{
			// articles accès libre
			$nodes = $finder->query('//div[contains(@class, "news__body__center__article")]');
		}

		if (!$nodes->length)
		{
			echo 'warning: could not get content of "' . $title . '"<br>';
		}
		else
		{
			$node = $nodes->item(0);
			$nodehtml = get_clean_html($node);
			$result .= $nodehtml;

			// add boite noire
			$nodes = $finder->query('//aside[contains(@class, "_black")]');
			if ($nodes->length)
			{
				$node = $nodes->item(0);
				$nodehtml = get_clean_html($node);
				$result .= '<div>' . $nodehtml . '</div>';
			}
			$epub->AddPage($result, false, $title);
		}
	}

	function get_mp_cookie()
	{
		global $mp_user;
		global $mp_password;

		$url = 'https://www.mediapart.fr/login_check';
		$postfields = 'email=' . $mp_user . '&password=' . $mp_password . '&submitButton=&_target_path=https%3A%2F%2Fwww.mediapart.fr%2F';

		$ch = curl_init($url);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
		curl_setopt($ch, CURLOPT_AUTOREFERER, false);

		curl_setopt($ch, CURLOPT_HEADER, 1);
		curl_setopt($ch, CURLOPT_POST, 1);
		curl_setopt($ch, CURLOPT_POSTFIELDS, $postfields);

		$result = curl_exec($ch);
		$sessid = '';

		preg_match_all('/^Set-Cookie:\s*([^;]*)/mi', $result, $matches);
		foreach($matches[1] as $item)
		{
			if (str_starts_with($item, 'MPSESSID='))
			{
				$sessid = str_replace('MPSESSID=', '', $item);
			}
		}
		return $sessid;
	}

	function write_epub($epub)
	{
		if (file_exists($epub->epub_file))
		{
			unlink($epub->epub_file);
		}

		if (!$epub->error)
		{
			$epub->CreateEPUB();

			if (!$epub->error)
			{
				echo 'Success: <a href="' . $epub->epub_file . '">' . $epub->epub_file . '</a> created.<br>';
			}
			else
			{
				echo $epub->error;
			}

		}
		else
		{
			echo $epub->error;
		}
	}

	function lm_download_image($base_url, $url_part, $id)
	{
		$image_url = preg_replace('/GetPublicationContentItems-.*\.json/', $url_part . $id . '.jpg', $base_url);
		$temp_img_path = './temp/' . $id . '.jpg';
		$temp_content = file_get_contents($image_url);
		file_put_contents($temp_img_path, $temp_content);
		return $temp_img_path;
	}

	function get_json($url)
	{
		// cache json in case url expires
		$tempjsonpath = 'temp/' . hash('md5', $url) . '.json';
		$json = '';
		if (file_exists($tempjsonpath))
		{
			$json = file_get_contents($tempjsonpath);
		}
		else
		{
			$json = file_get_contents($url);
			file_put_contents($tempjsonpath, $json);
		}
		return json_decode($json);
	}

	date_default_timezone_set('Europe/Paris');
	$today = (new DateTime('today'))->format('Ymd');

	if (isset($_POST['emptycache']) && $_POST['emptycache'])
	{
		$files = glob('temp/*');
		foreach($files as $file)
		{
			if(is_file($file))
			{
				unlink($file);
			}
		}
	}

	// Cafeyn
	if (isset($_POST['cafeyn']) && $_POST['cafeyn'])
	{
		$url = $_POST['cafeyn'];

		// extract url from curl command
		if (str_starts_with($url, 'curl '))
		{
			$url = explode("'", $url)[1];
			echo '<p>extracted url from curl command:</p><p>' . $url . '</p>';
		}

		// cache json in case url expires
		$publication = get_json($url);
		$pubname = $publication->metadata->title;

		$epub = new TPEpubCreator();
		$epub->temp_folder = 'temp/';
		$epub->epub_file = 'epub/' . $pubname . 'cafeyn.epub';
		$epub->title = $pubname . ' Cafeyn - ' . $today ;

		$list = (array)$publication->articles;
		$page = 1;
		foreach ($list as $entry)
		{
			$articleurl = str_replace('material', 'article/' . $entry->hash . '.json', $url);
			$article = get_json($articleurl);

			$content = '<h1>' . $article->title . '</h1>';
			//$content .= '<b>' . $article->abstract . '</b>';
			$content .= '<div>Page ' . $article->page . '</div>';

			if (count($article->rubrics))
			{
				$content .= '<div>Rubriques: ' . implode(',', $article->rubrics) . '</div>';
			}
			if (count($article->authors))
			{
				$content .= '<div>Auteurs: ' . implode(',', $article->authors) . '</div>';
			}

			foreach ($article->content->sections as $section)
			{
				$dropcap = '';
				foreach ($section->items as $item)
				{
					if ($item->type == 'text')
					{
						if ($item->class == 'quote')
						{
							$content .= '<blockquote>' .$item->content . '</blockquote>';
						}
						else if ($item->class == 'paragraphTitle')
						{
							$content .= '<h2>' .$item->content . '</h2>';
						}
						else if ($item->class == 'introduction')
						{
							$content .= '<p><b>' .$item->content . '</b></p>';
						}
						else if ($item->class == 'dropcap')
						{
							$dropcap = $item->content;
						}
						else
						{
							if ($dropcap)
							{
								$item->content = '<b>' . $dropcap . '</b>' . $item->content;
								$dropcap = '';
							}
							$content .= '<p>' . $item->content . '</p>';
						}
					}
				}
			}

			while ($article->page >= $page)
			{
				$path = $publication->pages[$page - 1]->tn;
				$path = str_replace('material', $path, $url);
				$path = str_replace('api.', 'content.', $path);
				if ($page == 1)
				{
					// cover
					$epub->AddImage($path, 'image/jpeg', true);
				}
				else
				{
					$epub->AddPage('<img style="width: 100%" src="' . $path . '">', false, 'Page ' . $page, true);
				}
				$page++;
			}
			$epub->AddPage($content, false, $article->title);

		}
		write_epub($epub);
	}

	// Le Monde
	if (isset($_POST['lemonde']) && $_POST['lemonde'])
	{
		$url = $_POST['lemonde'];

		// extract url from curl command
		if (str_starts_with($url, 'curl '))
		{
			$url = explode("'", $url)[1];
			echo '<p>extracted url from curl command:</p><p>' . $url . '</p>';
		}

		$epub = new TPEpubCreator();
		$epub->temp_folder = 'temp/';
		$epub->epub_file = 'epub/lemonde.epub';
		$epub->title = 'Le Monde ' . $today;

		$publication = get_json($url);
		$content = array_filter($publication->Content, function($item) { return $item->Category == 'Le Monde'; });
		usort($content, function ($a, $b) { return $a->PageNumber - $b->PageNumber; });

		$pageindex = get_json(str_replace('GetPublicationContentItems', 'GetPublicationPages', $url));

		$page = 0;
		foreach ($content as $article)
		{
			if ($article->PageNumber > $page)
			{
				$page = $article->PageNumber;
				$pageobj = array_values(array_filter($pageindex->Page, function($p)
				{
					global $page;
					return $page == $p->PageNumber;
				}))[0];
				$pageid = $pageobj->PublicationPageID;

				$path = lm_download_image($url, 'Preview-MEDIUM-', $pageid);

				if ($page == 1)
				{
					// cover
					$epub->AddImage($path, 'image/jpeg', true);
				}
				else
				{
					$epub->AddPage('<img style="width: 100%" src="' . $path . '">', false, 'Page ' . $page, true);
				}
			}

			$articlebody = array_filter($article->ContentItem, function($item) { return $item->ContentType == 'text/xml'; });
			$articlebody = array_values($articlebody)[0];

			if ($articlebody->Title && $articlebody->HtmlText)
			{
				$pagecontent = '<h1>'. strip_tags($articlebody->Title) . '</h1>';
				$pagecontent .= '<p>Page ' . $article->PageNumber . '</p>';

				$author = array_filter($article->ContentItem, function($item) { return $item->ContentType == 'author/xml'; });
				$author = array_values($author)[0];
				if ($author->Author)
				{
					$pagecontent .= $author->Author;
				}

				if ($articlebody->Introduction)
				{
					$pagecontent .= '<b>' . $articlebody->Introduction . '</b>';
				}
				$pagecontent .= $articlebody->HtmlText;

				$epub->AddPage($pagecontent, false, str_replace('&nbsp;', ' ', strip_tags($articlebody->Title)), true);
			}
		}
		write_epub($epub);
	}

	if (isset($_POST['forcempcookies']) && $_POST['forcempcookies'])
	{
		$old = $mp_sessionid;
		$mp_sessionid = get_mp_cookie();
		$settings = file_get_contents('settings.php');
		$settings = str_replace($old, $mp_sessionid, $settings);
		file_put_contents('settings.php', $settings);
		echo '<div>Updated mpsessid in settings.</div>';
	}

	// Mediapart RSS
	if (isset($_POST['mediapart']) && $_POST['mediapart'])
	{
		$feedurl = 'https://www.mediapart.fr/articles/feed';
		$opts = [
		'http' => [
			'method' => "GET",
			'header' => "Accept-language: en\nCookie: MPSESSID=" . $mp_sessionid,
		]
		];
		$context = stream_context_create($opts);

		$epub = new TPEpubCreator();
		$epub->temp_folder = 'temp/';
		$epub->epub_file = 'epub/mediapart.epub';
		$epub->title = 'Mediapart - RSS ' . $today;

		// load feeds
		$feed = file_get_contents($feedurl);
		$xml = new SimpleXMLElement($feed);
		$items = $xml->xpath("/rss/channel/item");

		foreach (array_reverse($items) as $item)
		{
			add_mp_article($item->link, $context, $epub);
		}

		write_epub($epub);
	}

	// Politis RSS
	if (isset($_POST['politis']) && $_POST['politis'])
	{
		$issuenb = $_POST['politis'];
		$feedurl = 'https://www.politis.fr/flux-rss-politis-fr/';
		$opts = [
		'http' => [
			'method' => "GET",
			//'header' => "Accept-language: en\nCookie: MPSESSID=" . $mp_sessionid, // todo?
		]
		];
		$context = stream_context_create($opts);

		$epub = new TPEpubCreator();
		$epub->temp_folder = 'temp/';
		$epub->epub_file = 'epub/politis' . $issuenb . '.epub';
		$epub->title = 'Politis ' . $issuenb . ' - RSS ' . $today;

		// find cover
		$issues = file_get_contents('https://www.politis.fr/boutique/magazines-unite/');
		$doc = new DOMDocument();
		$doc->loadHTML($issues);
		$finder = new DomXPath($doc);
		$cover = $finder->query('//img[contains(@src, "' . $issuenb . '_")]')->item(0)->getAttribute('src');
		$epub->AddImage($cover, 'image/jpeg', true);

		// load feeds
		$feed = file_get_contents($feedurl);
		$xml = new SimpleXMLElement($feed);
		$items = $xml->xpath("/rss/channel/item");

		foreach (array_reverse($items) as $item)
		{
			$url = $item->link;
			$article = file_get_contents($url, false, $context);

			if (!str_contains($article, ' dans l’hebdo N° ' . $issuenb))
			{
				continue;
			}

			$doc = new DOMDocument();
			$doc->loadHTML($article);
			$finder = new DomXPath($doc);

			$title = $finder->query('//h1')->item(0)->textContent;
			$author = $finder->query('//span[@class="nom"]')->item(0)->textContent;
			$date = $finder->query('//span[@class="date"]')->item(0)->textContent;
			$summary = $finder->query('//div[@class="extrait"]')->item(0)->textContent;

			$result = '<h1>' . $title . '</h1>';
			$result .= '<p>' . $author . '</p>';
			$result .= '<p>' . $date . '</p>';
			$result .= '<p><b>' . $summary . '</b></p>';

			$nodes = $finder->query('//div[@id="content"]');
			$node = $nodes->item(0);
			$nodehtml = get_clean_html($node);
			$result .= $nodehtml;
			$epub->AddPage($result, false, $title);

		}

		write_epub($epub);
	}

	// Mediapart home page
	if (isset($_POST['mphome']) && $_POST['mphome'])
	{
		$homeurl = 'https://www.mediapart.fr';
		$opts = [
		'http' => [
			'method' => "GET",
			'header' => "Accept-language: en\nCookie: MPSESSID=" . $mp_sessionid,
		]
		];
		$context = stream_context_create($opts);

		$epub = new TPEpubCreator();
		$epub->temp_folder = 'temp/';
		$epub->epub_file = 'epub/mediaparthome.epub';
		$epub->title = 'Mediapart - A la une ' . $today;

		$home = file_get_contents($homeurl, false, $context);
		$doc = new DOMDocument();
		$doc->loadHTML($home);
		$finder = new DomXPath($doc);

		$xpath = '//a[@data-js = "teaser-link" and contains(@href, "/journal/") and not(contains(@href, "/dossier/")) and not(contains(@href, "/studio/")) and not(contains(@href, "fil-")) and (@href != "/journal/series")]/@href';

		$links = $finder->query($xpath);

		foreach ($links as $link)
		{
			add_mp_article('https://www.mediapart.fr' . $link->value, $context, $epub);
		}

		write_epub($epub);
	}

	// New York Times RSS
	if (isset($_POST['nyt']) && $_POST['nyt'])
	{
		$feedurl = 'https://rss.nytimes.com/services/xml/rss/nyt/HomePage.xml';
		$opts = [
		'http' => [
			'method' => "GET",
			'header' => "Accept-language: en\nCookie: NYT-S=" . $nyt_sessionid,
		]
		];
		$context = stream_context_create($opts);

		$epub = new TPEpubCreator();
		$epub->temp_folder = 'temp/';
		$epub->epub_file = 'epub/newyorktimes.epub';
		$epub->title = 'The New York Times ' . $today;

		// load feeds
		$feed = file_get_contents($feedurl);
		$xml = new SimpleXMLElement($feed);
		$items = $xml->xpath("/rss/channel/item");

		foreach (array_reverse($items) as $item)
		{
			$title = $item->title;
			$author = $item->xpath('dc:creator')[0];
			$summary = $item->description;

			$article = file_get_contents($item->link, false, $context);
			$doc = new DOMDocument();
			$doc->loadHTML($article);
			$finder = new DomXPath($doc);

			$result = '<h1>' . $title . '</h1>';
			$result .= '<p>' . $author . '</p>';
			$result .= '<p>' . $item->pubDate . '</p>';
			$result .= '<p><b>' . $summary . '</b></p>';

			$nodes = $finder->query('//section[@name="articleBody"]');

			if (!$nodes->length)
			{
				echo 'warning: could not get content of "' . $title . '"<br>';
			}
			else
			{
				$node = $nodes->item(0);
				$nodehtml = get_clean_html($node);
				$result .= $nodehtml;
				$epub->AddPage($result, false, $title);
			}
		}

		write_epub($epub);
	}

	// New York Times today's paper
	if (isset($_POST['nyttoday']) && $_POST['nyttoday'])
	{
		$todaypage = file_get_contents("https://www.nytimes.com/section/todayspaper");
		$opts = [
		'http' => [
			'method' => "GET",
			'header' => "Accept-language: en\nCookie: NYT-S=" . $nyt_sessionid,
		]
		];
		$context = stream_context_create($opts);

		$epub = new TPEpubCreator();
		$epub->temp_folder = 'temp/';
		$epub->epub_file = 'epub/newyorktimestoday.epub';
		$epub->title = 'The New York Times today\'s paper ' . $today;

		// grab today's paper
		$start = strpos($todaypage, "window.__preloadedData = ") + 25;
		$end = strpos($todaypage, "};", $start) + 1;
		$json = str_replace(":undefined", ":null", substr($todaypage, $start, $end - $start));
		$data = json_decode($json);

		foreach($data->initialState as $item)
		{
			if ($item->__typename == "Article")
			{
				$headline = ($data->initialState->{ $item->headline->id });

				$title = $headline->default;
				$summary = $item->summary;

				$result = '<h1>' . $title . '</h1>';

				// authors
				$result .= '<p>';
				$creators = ($data->initialState->{ $item->bylines[0]->id })->creators;
				foreach ($creators as $creator)
				{
					$author = $data->initialState->{ $creator->id };
					$result .= $author->displayName . '&nbsp;';
				}
				$result .= '</p>';

				$result .= '<p>' . $item->lastMajorModification . '</p>';
				$result .= '<p><b>' . $summary . '</b></p>';

				$article = file_get_contents($item->url, false, $context);
				$doc = new DOMDocument();
				$doc->loadHTML($article);
				$finder = new DomXPath($doc);
				$nodes = $finder->query('//section[@name="articleBody"]');

				if (!$nodes->length)
				{
					echo 'warning: could not get content of "' . $title . '"<br>';
				}
				else
				{
					$node = $nodes->item(0);
					$nodehtml = get_clean_html($node);
					$result .= $nodehtml;
					$epub->AddPage($result, false, $title);
				}
			}
		}
		write_epub($epub);
	}
?>

<h1>Generate epub</h1>
<div>
<form method="post">

	<input type="submit">

	<h2>Mediapart</h2>
	<input id="mediapart" name="mediapart" type="checkbox">
	<label for="mediapart">From RSS</label>
	<br>
	<input id="mphome" name="mphome" type="checkbox">
	<label for="mphome">From home page</label>
	<br>
	<input id="forcempcookies" name="forcempcookies" type="checkbox">
	<label for="forcempcookies">Force cookies</label>
	<br>
	<input id="mptoday" name="mptoday" type="checkbox">
	<label for="mptoday">Today only</label>

	<h2>Le Monde</h2>
	<label for="lemonde">"GetPublicationContentItems" json url: </label>
	<input id="lemonde" name="lemonde">

	<h2>Cafeyn</h2>
	<label for="cafeyn">"material" json url: </label>
	<input id="cafeyn" name="cafeyn">

	<h2>The New York Times</h2>
	<input id="nyt" name="nyt" type="checkbox">
	<label for="nyt">From RSS</label>
	<br>
	<input id="nyttoday" name="nyttoday" type="checkbox">
	<label for="nyttoday">From today's paper embedded script</label>

	<h2>Politis</h2>
	<label for="politis">Issue number: </label><input id="politis" name="politis">

	<h2>Admin</h2>
	<input id="emptycache" name="emptycache" type="checkbox" checked>
	<label for="emptycache">Empty cache</label>
	<br><br>

	<input type="submit">
</form>
</div>

<h1>Links</h1>
<a href="../epub">Fichiers générés</a><br>
<a href="../">Revue de presse</a><br>

<h1>Mediapart RSS summary</h1>
<?php
	$mprss = file_get_contents('https://www.mediapart.fr/articles/feed', false, $context);
	$xml = new SimpleXMLElement($mprss);
	$items = $xml->xpath("/rss/channel/item");
	foreach ($items as $item)
	{
		echo '<div><a href="'.$item->link.'">'.$item->pubDate. ' '.$item->title.'</a></div>';
	}
?>
</body>
</html>