refactor: ♻️ break out page type handling code and opengraph tag generation

www/router.php

@@ -4,7 +4,6 @@ $data_time_start = microtime(true);
 
 require_once 'vendor/autoload.php';
 
-
 require_once 'post_adapter.php';
 require_once 'fontawesome.php';
 
@@ -63,8 +62,89 @@ $twig->addRuntimeLoader(new class implements RuntimeLoaderInterface {
     }
 });
 
-function generate_website($SURI) {
+function render_twig($template, $args = []) {
     global $twig;
+    global $FONT_AWESOME_ARRAY;
+
+    $args['fa'] = $FONT_AWESOME_ARRAY;
+    
+    $post = $args['post'] ?? [];
+    $settings = $post['settings'] ?? [];
+    $meta = $post['post_metadata'] ?? [];
+    
+    $args['banner'] ??= $settings['banners'] ?? [
+        ["src"=> "/static/banner/0.png"], 
+        ["src" => "/static/banner/1.png"]
+    ];
+    
+    $args['og'] = array_merge([
+        "title" => $meta['title'] ?? "Dergennibble",
+        "url" => $_SERVER['REQUEST_URI'],
+        "description" => $meta['description'] 
+                        ?? $settings['description'] 
+                        ?? "The softest spot to find dragons on"
+    ], $args['og'] ?? []);
+    
+    if(($meta['type'] ?? '') == 'image') {
+        $args['og']['image'] ??= "https://lucidragons.de" . $post['post_file_dir'];
+    }
+
+    $args['og']['image'] ??= 'https://lucidragons.de' . $args['banner'][0]["src"];
+
+    $args['banner'] = json_encode($args['banner']);
+
+    echo $twig->render($template, $args);
+}
+
+function try_render_post($SURI) {
+    global $adapter;
+
+    $post = $adapter->get_post_by_path($SURI);
+
+    if(!$post['found']) {
+        echo render_twig('post_types/rrror.html',[
+            "error_code" => '404 Hoard not found!',
+            "error_description" => "Well, we searched 
+                far and wide for `" . $SURI . "` but 
+                somehow it must have gotten lost... Sorry!",
+            "post" => array_merge($post, [
+                "post_metadata" => ["title" => "404 ???"]
+            ])
+        ]);
+
+        log_and_die('/404', referrer: ($_SERVER['HTTP_REFERER'] ?? 'magic'));
+    }
+
+    switch($post['post_metadata']['type']) {
+    case 'directory':
+        if(preg_match('/^(.*[^\/])((?:#.*)?)$/', $SURI, $match)) {
+            header('Location: ' . $match[1] . '/' . $match[2]);
+            
+            die();
+        }
+
+        echo render_twig('post_types/directory.html', [ 
+            "post" => $post,
+            "subposts" => $adapter->get_subposts_by_path($SURI)
+        ]);
+    
+    break;
+
+    case 'text/markdown':
+        echo render_twig('post_types/markdown.html', [ 
+            "post" => $post
+        ]);
+    break;
+
+    case 'image':
+        echo render_twig('post_types/image.html', [
+            "post" => $post,
+        ]);
+    break;
+    }
+}
+
+function generate_website($SURI) {
     global $adapter;
     global $FONT_AWESOME_ARRAY;
 
@@ -126,53 +206,7 @@ function generate_website($SURI) {
         header('Location: /raw' . $SURI);
         exit(0);
     } elseif(true) {
-        $post = $adapter->get_post_by_path($SURI);
+        try_render_post($SURI);
-
-        if(!$post['found']) {
-            echo $twig->render('post_types/rrror.html',[
-                "error_code" => '404 Hoard not found!',
-                "error_description" => "Well, we searched 
-                    far and wide for `" . $SURI . "` but 
-                    somehow it must have gotten lost... Sorry!",
-                "post" => $post
-            ]);
-
-            log_and_die('/404', referrer: ($_SERVER['HTTP_REFERER'] ?? 'magic'));
-        }
-
-        if($post['post_metadata']['type'] == 'directory') {
-            if(preg_match('/^(.*[^\/])((?:#.*)?)$/', $SURI, $match)) {
-                header('Location: ' . $match[1] . '/' . $match[2]);
-                
-                die();
-            }
-
-            echo $twig->render('post_types/directory.html', [ 
-                "post" => $post,
-                "subposts" => $adapter->get_subposts_by_path($SURI),
-                "fa" => $FONT_AWESOME_ARRAY
-            ]);
-        }
-        elseif($post['post_metadata']['type'] == 'text/markdown') {
-            echo $twig->render('post_types/markdown.html', [ 
-                "post" => $post,
-                "fa" => $FONT_AWESOME_ARRAY
-            ]);
-        }
-        elseif($post['post_metadata']['type'] == 'image') {
-            echo $twig->render('post_types/image.html', [
-                "post" => $post,
-                "fa" => $FONT_AWESOME_ARRAY
-            ]);
-        }
-
-    } else {
-        echo $twig->render('rrror.html',[
-            "error_code" => '404 Hoard not found!',
-            "error_description" => "Well, we searched 
-                far and wide for `" . $SURI . "` but 
-                somehow it must have gotten lost... Sorry!"
-        ]);	 
     }
 }