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-rw-r--r--_functions/loadRSS.php51
1 files changed, 51 insertions, 0 deletions
diff --git a/_functions/loadRSS.php b/_functions/loadRSS.php
new file mode 100644
index 0000000..1deb969
--- /dev/null
+++ b/_functions/loadRSS.php
@@ -0,0 +1,51 @@
+<?php
+
+function loadRSS(string $fileName): string
+{
+ // Get the file contents and decode JSON
+ $fileContents = file_get_contents($fileName);
+ $data = json_decode($fileContents);
+
+ // Set-up RSS variables
+ $rssCounter = 0;
+ $rssContents = '<?xml version="1.0" encoding="UTF-8"?><rss version="2.0" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:atom="http://www.w3.org/2005/Atom" xmlns:sy="http://purl.org/rss/1.0/modules/syndication/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"
+ ><channel><atom:link href="' . $GLOBALS['fullDomain'] . '/rss.xml" rel="self" type="application/rss+xml" /><title>Blog</title><link>' . $GLOBALS['fullDomain'] . '</link><description>Lorem ipsum dolor sit amet...</description><copyright>Copyright 20xx - 20xx, My Name</copyright><language>en-us</language><docs>https://cyber.harvard.edu/rss/index.html</docs><lastBuildDate>Mon, 04 Jan 2021 00:00:00 CST</lastBuildDate><ttl>60</ttl><image><url></url><title>Blog</title><link>'.$GLOBALS['fullDomain'].'</link></image>';
+
+ // Loop through the JSON object
+ foreach ($data as $postObject) {
+ // Only load published posts
+ if ($postObject->published == 'Yes') {
+ // Parse the markdown to HTML
+ include_once('_functions/parseMarkdown.php');
+ $fileLink = str_replace($GLOBALS['fullDomain'] . '/post/', '', $postObject->link);
+ $fileName = 'posts/' . $postObject->id . '-' . str_replace('.html', '.md', $fileLink);
+ $securedHTML = parseMarkdown($fileName);
+
+ if ($rssCounter == 0) {
+ $rssContents .= '<lastBuildDate>' . date_format(date_create($postObject->created), 'D, d M Y H:i:s T') . '</lastBuildDate>';
+ $rssCounter = $rssCounter + 1;
+ }
+
+ $rssContents .=
+ '<item><title>' .
+ str_replace(['&', '<', '>'], ['&amp;', '&lt;', '&gt;'], $postObject->title) .
+ '</title><author>' .
+ str_replace(['&', '<', '>'], ['&amp;', '&lt;', '&gt;'], $postObject->author) .
+ '</author><dc:creator>' .
+ str_replace(['&', '<', '>'], ['&amp;', '&lt;', '&gt;'], $postObject->author) .
+ '</dc:creator><link>' .
+ str_replace(['&', '<', '>'], ['&amp;', '&lt;', '&gt;'], $postObject->link) .
+ '</link><pubDate>' .
+ date_format(date_create($postObject->created), 'D, d M Y H:i:s T') .
+ '</pubDate><guid>' .
+ str_replace(['&', '<', '>'], ['&amp;', '&lt;', '&gt;'], $postObject->link) .
+ '</guid><description><![CDATA[' .
+ $postObject->description .
+ ']]></description><content:encoded><![CDATA[' .
+ $securedHTML .
+ ']]></content:encoded></item>';
+ }
+ }
+ $rssContents .= '</channel></rss>';
+ return $rssContents;
+} \ No newline at end of file