chore: bug hunt

user/plugins/m3-p2/m3-p2.php

@@ -226,17 +226,17 @@ class M3P2Plugin extends Plugin
             return; // perhaps not
         }
 
-        /** @var Pages $pages */
-        $pages = $this->grav['pages'];
-
         if (count($uri->paths()) < 2) {
-            // user is toying with URI, probably
+            // user is toying with URI, probably, visiting `/lessons`.
             // idea: display an index of the lessons here todo
             return;
         }
 
         $lesson_slug = $uri->paths(1);
 
+        /** @var Pages $pages */
+        $pages = $this->grav['pages'];
+
         // VERY inefficient : TODO: cache this
 //        $target_pages = $pages->all()->filter(function ($p) use ($lesson_slug) {
         $target_pages = array_filter($pages->instances(), function (Page $p) use ($lesson_slug) {
@@ -247,7 +247,7 @@ class M3P2Plugin extends Plugin
             }
 
             foreach ($page_config->lessons as $lesson) {
-//                print("Checking lesson $lesson"."<br>\n");
+//                print("Checking lesson".print_r($lesson, true)."<br>\n");
 //                if ($lesson_slug == $lesson) {
                 if ($lesson_slug == $lesson['slug']) {
                     return true; // yay, this page is part of the lesson