MDL-81766 mod_subsection: Add 'get_delegated_section_info' to manager

Add a new 'get_delegated_section_info' to the manager class so it can be reused.

mod/subsection/classes/manager.php

@@ -19,8 +19,10 @@ namespace mod_subsection;
 use cm_info;
 use context_module;
 use completion_info;
+use core_courseformat\formatactions;
 use mod_subsection\event\course_module_viewed;
 use moodle_page;
+use section_info;
 use stdClass;
 
 /**
@@ -180,4 +182,23 @@ class manager {
         $completion = new completion_info($course);
         $completion->set_module_viewed($this->cm);
     }
+
+    /**
+     * Get the delegated section info.
+     *
+     * @return section_info the delegated section info
+     */
+    public function get_delegated_section_info(): section_info {
+        $delegatedsection = $this->cm->get_delegated_section_info();
+        if (!$delegatedsection) {
+            // Some restorations can produce a situation where the section is not found.
+            // In that case, we create a new one.
+            $delegatedsection = formatactions::section($this->cm->course)->create_delegated(
+                self::PLUGINNAME,
+                $this->cm->id,
+                (object) ['name' => $this->instance->name],
+            );
+        }
+        return $delegatedsection;
+    }
 }

mod/subsection/view.php

@@ -39,19 +39,6 @@ require_login($course, true, $cm);
 
 $modulecontext = $manager->get_context();
 $manager->set_module_viewed($course);
+$delegatesection = $manager->get_delegated_section_info();
 
-$modinfo = get_fast_modinfo($course);
-
-$delegatesection = $modinfo->get_section_info_by_component(manager::PLUGINNAME, $moduleinstance->id);
-if (!$delegatesection) {
-    // Some restorations can produce a situation where the section is not found.
-    // In that case, we create a new one.
-    formatactions::section($course)->create_delegated(
-        manager::PLUGINNAME,
-        $id,
-        (object) [
-            'name' => $moduleinstance->name,
-        ]
-    );
-}
 redirect(new moodle_url('/course/section.php', ['id' => $delegatesection->id]));