From deb20fdfca35c64066fe4e375099350dc77ea408 Mon Sep 17 00:00:00 2001
From: Christian Cleberg <hello@cleberg.net>
Date: Mon, 22 May 2023 15:18:52 -0500
Subject: initial commit

---
 index.php | 189 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 189 insertions(+)
 create mode 100644 index.php

(limited to 'index.php')

diff --git a/index.php b/index.php
new file mode 100644
index 0000000..9a4e11b
--- /dev/null
+++ b/index.php
@@ -0,0 +1,189 @@
+<?php
+
+// Set global variables for this specific website
+// Domains must match the URLs in the _data files
+$websiteProtocol = 'https://';
+$shortDomain = 'blog.example.com';
+$fullDomain = $websiteProtocol . $shortDomain;
+
+// Trim the leading slashes & split the path on slashes
+$path = ltrim($_SERVER['REQUEST_URI'], '/');
+$elements = explode('/', $path);
+
+// Show home if there are no parameters or paths
+if (empty($elements[0])) {
+    showHomepage();
+} // Else, identify the first item in the URL so we can identify which function to use
+else {
+    switch (array_shift($elements)) {
+        case 'post':
+            showPost($elements);
+            break;
+        case 'submit-comment':
+            include_once('_functions/submitComment.php');
+            submitComment();
+            break;
+        case 'comments':
+            showComments();
+            break;
+        case 'category':
+            header('Location: ' . $fullDomain . '/categories/');
+            die();
+        case 'categories':
+            showCategory();
+            break;
+        case 'rss':
+        case 'rss.xml':
+            showRSS();
+            break;
+        case 'robots.txt':
+            showRobots();
+            break;
+        default:
+            header('HTTP/1.1 404 Not Found');
+    }
+}
+
+function showHomepage()
+{
+    // Add Articles
+    $contentCol = '<h1>My Blog</h1>';
+
+    // Get metadata on all posts from the metadata.json file
+    include_once('_functions/loadJSON.php');
+    $contentCol .= loadHomepageJSON('_data/metadata.json');
+
+    // Create a template
+    include_once('_classes/Template.php');
+    $template = new Template(
+        $GLOBALS['fullDomain'],
+        'Explore the thoughts of...',
+        'Blog | YourName',
+        '',
+        $contentCol,
+        ''
+    );
+
+    // Echo the HTML to the user
+    $template->echoTemplate();
+}
+
+function showPost($params)
+{
+    // URL Parameter
+    $query = $params[0];
+
+    // Get metadata on this post from the metadata.json file
+    include_once('_functions/loadJSON.php');
+    $headerData = loadPostJSON('_data/metadata.json', $query);
+
+    // Apply metadata to post header
+    $header = '<header><h1 class="blog-post-title">' . $headerData->title . '</h1><div class="blog-post-metadata"><time class="d-inline" datetime="' . date_format(date_create($headerData->created), "Y-m-d") . '">' . date_format(date_create($headerData->created), "Y-m-d") . '</time><span style="margin:0 0.5rem;">::</span><a href="' . $GLOBALS['fullDomain'] . '/categories/#' . $headerData->tag . '">#' . $headerData->tag . '</a></div></header>';
+
+    // Get post .md file that matches the .html file requested in the URL
+    include_once('_functions/parseMarkdown.php');
+    $fileName = './posts/' . $headerData->id . '-' . str_replace('.html', '.md', $query);
+    $securedHTML = parseMarkdown($fileName);
+
+    // Echo Results
+    $contentCol = '<article class="blog-post">' . $header . '<section class="blog-post-body">' . $securedHTML . '</section></article>';
+
+    // Create a comment section
+    $postURL = $GLOBALS['fullDomain'] . '/post/' . $query;
+    $commentForm = '<form action="/submit-comment/" method="POST"><h3>Leave a Comment</h3><section hidden><label class="form-label" for="postURL">Post URL</label><input class="form-control" id="postURL" name="postURL" type="text" value="' . $postURL . '"></section><section><label class="form-label" for="userName">Display Name</label><input class="form-control" id="userName" name="userName" placeholder="John Doe" type="text"></section><section><label class="form-label" for="userContent">Your Comment</label><textarea class="form-control" id="userContent" name="userContent" rows="3" placeholder="# Feel free to use Markdown" aria-describedby="commentHelp" required></textarea><div id="commentHelp" class="form-text">Comments are saved as Markdown and cannot be edited or deleted.</div></section><button type="submit">Submit</button></form>';
+
+    // Load saved comments
+    $userComments = '<section id="comments" class="comments"><h3>Comments</h3>';
+    $userComments .= loadCommentJSON('_data/comments.json', $query);
+    $userComments .= '</section>';
+
+    // Combine comment form and previous user comments
+    $commentSection = $commentForm . $userComments;
+
+    // Create a template
+    include_once('_classes/Template.php');
+    $template = new Template(
+        $GLOBALS['fullDomain'] . '/post/' . $query,
+        $headerData->description . ' Read more at ' . $GLOBALS['fullDomain'] . '!',
+        $headerData->title . ' | Blog',
+        '<link rel="stylesheet" href="/static/prism.css"><script src="/static/prism.js"></script>',
+        $contentCol,
+        $commentSection
+    );
+
+    // Echo the HTML to the user
+    $template->echoTemplate();
+}
+
+function showComments()
+{
+    // Add title
+    $commentHeader = '<h1>Recent Comments</h1>';
+
+    // Load saved comments
+    include_once('_functions/parseMarkdown.php');
+    include_once('_functions/loadJSON.php');
+    $userComments = '<section id="comments" class="comments"><h3>Comments Across All Blog Posts</h3>';
+    $userComments .= loadCommentJSON('_data/comments.json');
+    $userComments .= '</section>';
+
+    // Combine comment form and previous user comments
+    $commentSection = $commentHeader . $userComments;
+
+    // Create a template
+    include_once('_classes/Template.php');
+    $template = new Template(
+        $GLOBALS['fullDomain'] . '/comments/',
+        'Read through some recent comments for blog posts at ' . $GLOBALS['fullDomain'] . '.',
+        'Recent Comments | Blog',
+        '<link rel="stylesheet" href="/static/prism.css"><script src="/static/prism.js"></script><meta name="robots" content="noindex,nofollow">',
+        '',
+        $commentSection
+    );
+
+    // Echo the HTML to the user
+    $template->echoTemplate();
+}
+
+function showCategory()
+{
+    // Open the article list
+    $contentCol = '<h1>Categories</h1>';
+
+    // Get metadata on all posts from the metadata.json file
+    include_once('_functions/loadJSON.php');
+    $contentCol .= loadCategoryJSON('_data/metadata.json');
+
+    // Create a template
+    include_once('_classes/Template.php');
+    $template = new Template(
+        $GLOBALS['fullDomain'] . '/categories/',
+        'Browse the categories for blog posts at ' . $GLOBALS['fullDomain'] . '.',
+        'Categories | Blog',
+        '<meta name="robots" content="noindex,nofollow">',
+        $contentCol,
+        ''
+    );
+
+    // Echo the HTML to the user
+    $template->echoTemplate();
+}
+
+function showRSS()
+{
+    // Loop through the metadata file and display any article that is published
+    include_once('_functions/loadRSS.php');
+    $rssContents = loadRSS('_data/metadata.json');
+
+    // Echo the RSS XML
+    header('Content-type: text/xml');
+    echo $rssContents;
+    die();
+}
+
+function showRobots()
+{
+    header('Content-type: text/plain');
+    echo 'User-agent: * Disallow:';
+    die();
+}
-- 
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