feat(database): ✨ re-add per-post counters to track page views etc.

docker_dev/mysql_schema.sql

@@ -26,6 +26,8 @@ CREATE TABLE dev_posts (
 	post_metadata JSON DEFAULT NULL,
 	post_settings_cache JSON DEFAULT NULL,
 
+	post_counters JSON DEFAULT NULL,
+
 	PRIMARY KEY(post_id),
 	CONSTRAINT unique_post UNIQUE (post_path),
 

www/src/db_handler/db_interface.php

@@ -73,6 +73,8 @@ interface PostdataInterface {
     public function set_postdata($data);
     public function set_post_markdown($id, $markdown);
 
+    public function increment_post_counter($path, $counter = 'views', $value = 1);
+
     public function get_postdata($path);
     // Returns a key-value pair of child paths => child data
     public function get_post_children($path,

www/src/db_handler/mysql_handler.php

@@ -1,6 +1,5 @@
 <?php
 
-require_once 'analytics_interface.php';
 require_once 'db_interface.php';
 
 require_once 'mysql_taglist_handling.php';
@@ -116,6 +115,9 @@ class MySQLHandler
         array_push($post_tags,
             'path:' . $post_path
         );
+        if(isset($data['type'])) {
+            $post_tags []= 'type:' . $data['type'];
+        }
 
         $sql_args = [
             $post_path,
@@ -168,6 +170,19 @@ class MySQLHandler
         $this->_exec($qry, "is", $id, $markdown);
     }
 
+    public function increment_post_counter($path, $counter = 'views', $value = 1) {
+        $path = sanitize_post_path($path);
+
+        $qry =
+        "UPDATE {$this->db_prefix}_posts
+        SET post_counters = JSON_SET(COALESCE(post_counters, \"{}\"), ?, COALESCE(JSON_EXTRACT(post_counters, ?), 0) + ?)
+        WHERE post_path = ?";
+
+        $json_path = "$.{$counter}";
+
+        $this->_exec($qry, "ssds", $json_path, $json_path, $value, $path);
+    }
+
     private function get_post_settings($post_path) {
         $post_path = sanitize_post_path($post_path);
 
@@ -252,6 +267,13 @@ class MySQLHandler
             $post_settings = $this->get_post_settings($data['post_path']);
         }
         
+        if(isset($data['post_counters'])) {
+            $outdata['counters'] = json_decode($data['post_counters'], true);
+        }
+        else {
+            $outdata['counters'] = [];
+        }
+
         $outdata = array_merge($post_settings, $post_metadata, $outdata);
         $outdata['host'] ??= $this->hostname;
 

www/src/db_handler/post.php

@@ -21,7 +21,8 @@ class Post implements ArrayAccess {
             'title' => '404 Page',
             'metadata' => [
                 'type' => '404'
-            ]
+            ],
+            'markdown' => 'Whoops! The dergen could not quite find that...'
         ];
 
         return $post_data;
@@ -139,6 +140,10 @@ class Post implements ArrayAccess {
         $this->data = $data;
     }
 
+    public function increment_counter($type = 'views', $value = 1) {
+        $this->handler->increment_post_counter($this->data['path'], $type, $value);
+    }
+
     public function __get($name) {
         if($name == 'html') {
             return $this->get_html();

www/src/db_handler/post_handler.php

@@ -46,6 +46,10 @@ class PostHandler {
         return ($this->markdown_engine)($post);
     }
 
+    public function increment_post_counter(...$opts) {
+        $this->db->increment_post_counter(...$opts);
+    }
+
     public function get_children_for($post, ...$search_opts) {        
         $child_list = $this->db->get_post_children($post->path, ...$search_opts);
 

www/src/serve/post.php

@@ -58,7 +58,7 @@ if($REQUEST_PATH == '/upload') {
     render_root_template('upload.html');
     die();
 }
-if($REQUEST_PATH == '/search') {
+if($REQUEST_PATH == '/search/') {
     $search_results = [];
     $display_type = 'none';
     
@@ -105,13 +105,22 @@ if($REQUEST_PATH == '/search') {
 }
 
 $post = $adapter->get_post($REQUEST_PATH);
-render_post($post);
-
-die();
 
 if(!isset($post)) {
-    render_404();
-    die();
+    $error_page = $SITE_CONFIG['site_defaults'];
+    $error_page['path'] = '/404';
+    $error_page['title'] = '404 oh no';
+    $error_page['basename'] = '404.md';
+
+    render_root_template('derg_error.html', [
+        'page' => $error_page,
+        'error_code' => '404 Hoard not found!',
+        'error_description' => "Looks like we couldn't find `" . $REQUEST_PATH . "` for you. Check in later!"
+    ]);
+}
+else {
+    $post->increment_counter();
+    render_post($post);
 }
 
 

www/templates/pathed_content.html

@@ -22,7 +22,7 @@
 		{%endblock%}
 
 		<span id="content_footer">
-			This page was created on {{ page.created_at }}, last edited {{ page.updated_at }}, and was viewed {{ page.view_count }} times~
+			This page was created on {{ page.created_at }}, last edited {{ page.updated_at }}, and was viewed {{ page.counters.views }} times~
 		</span>
 	</article>