MDL-74276 report: Render a new 'Reports Overview' page

lib/navigationlib.php

@@ -4665,6 +4665,10 @@ class settings_navigation extends navigation_node {
             foreach ($reports as $reportfunction) {
                 $reportfunction($reportnav, $course, $coursecontext);
             }
+
+            if (!$reportnav->has_children()) {
+                $reportnav->remove();
+            }
         }
 
         // Check if we can view the gradebook's setup page.
@@ -5633,6 +5637,10 @@ class settings_navigation extends navigation_node {
             foreach ($reports as $reportfunction) {
                 $reportfunction($frontpagenav, $course, $coursecontext);
             }
+
+            if (!$frontpagenav->has_children()) {
+                $frontpagenav->remove();
+            }
         }
 
         // Backup this course

lib/templates/report_link_page.mustache

@@ -0,0 +1,51 @@
+{{!
+    This file is part of Moodle - http://moodle.org/
+
+    Moodle is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    Moodle is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with Moodle.  If not, see <http://www.gnu.org/licenses/>.
+}}
+{{!
+    @template core/report_link_page
+
+    Display the report page with a list of available reports.
+
+    Example context (json):
+    {
+        "node": {
+            "text": "Root of menu",
+            "key": "test0",
+            "display": true,
+            "children": [
+                {
+                    "text": "Child of menu",
+                    "key": "test1",
+                    "display": true,
+                    "children": []
+                }
+            ]
+        }
+    }
+}}
+{{#node}}
+<div class="container-fluid">
+    <div class="row">
+        <ul class="list-unstyled ml-0">
+            {{#node.children}}
+                {{#display}}
+                    <li><a href="{{{action}}}">{{text}}</a></li>
+                {{/display}}
+            {{/node.children}}
+        </ul>
+    </div>
+</div>
+{{/node}}

report/view.php

@@ -36,22 +36,30 @@ if (!$course = $DB->get_record('course', array('id' => $courseid))) {
 }
 require_login($course);
 
-// Get all course reports from the settings navigation.
-if ($reportsnode = $PAGE->settingsnav->find('coursereports', \navigation_node::TYPE_CONTAINER)) {
-    // If there are available course reports to the user.
-    if ($reportsnode->children->count() > 0) {
-        // Redirect to the first course report from the list.
-        $firstreportnode = $reportsnode->children->getIterator()[0];
-        redirect($firstreportnode->action()->out(false));
-    }
-}
 // Otherwise, output the page with a notification stating that there are no available course reports.
 $PAGE->set_title(get_string('reports'));
 $PAGE->set_pagelayout('incourse');
 $PAGE->set_heading($course->fullname);
 $PAGE->set_pagetype('course-view-' . $course->format);
+$PAGE->add_body_class('limitedwidth');
 
 echo $OUTPUT->header();
 echo $OUTPUT->heading(get_string('reports'));
-echo html_writer::div($OUTPUT->notification(get_string('noreports', 'debug'), 'error'), 'mt-3');
+
+// Check if there is at least one displayable report.
+$hasreports = false;
+if ($reportnode = $PAGE->settingsnav->find('coursereports', \navigation_node::TYPE_CONTAINER)) {
+    foreach ($reportnode->children as $child) {
+        if ($child->display) {
+            $hasreports = true;
+            break;
+        }
+    }
+}
+
+if ($hasreports) {
+    echo $OUTPUT->render_from_template('core/report_link_page', ['node' => $reportnode]);
+} else {
+    echo html_writer::div($OUTPUT->notification(get_string('noreports', 'debug'), 'error'), 'mt-3');
+}
 echo $OUTPUT->footer();