Add stats in index.php see BT#11747

index.php

@@ -150,6 +150,10 @@ $controller->tpl->assign('navigation_course_links', $controller->return_navigati
 $controller->tpl->assign('notice_block', $controller->return_notice());
 //$controller->tpl->assign('main_navigation_block', $controller->return_navigation_links());
 $controller->tpl->assign('help_block', $controller->return_help());
+$controller->tpl->assign('total_users', UserManager::getCountActiveUsers());
+$controller->tpl->assign('total_courses', CourseManager::getCountOpenCourses());
+$controller->tpl->assign('total_exercises', CourseManager::getCountExercisesFromOpenCourse());
+
 
 if (api_is_platform_admin() || api_is_drh()) {
     $controller->tpl->assign('skills_block', $controller->return_skills_links());

main/inc/lib/course.lib.php

@@ -6190,4 +6190,48 @@ class CourseManager
         $courseFieldValue = new ExtraFieldValue('course');
         $courseFieldValue->saveFieldValues($params);
     }
+
+    /**
+     * @return int
+     */
+    public static function getCountOpenCourses()
+    {
+        $visibility = [
+            COURSE_VISIBILITY_REGISTERED,
+            COURSE_VISIBILITY_OPEN_PLATFORM,
+            COURSE_VISIBILITY_OPEN_WORLD
+        ];
+
+        $table = Database::get_main_table(TABLE_MAIN_COURSE);
+        $sql = "SELECT count(id) count 
+                FROM $table 
+                WHERE visibility IN (".implode(',', $visibility).")";
+        $result = Database::query($sql);
+        $row = Database::fetch_array($result);
+
+        return $row['count'];
+    }
+
+    /**
+     * @return int
+     */
+    public static function getCountExercisesFromOpenCourse()
+    {
+        $visibility = [
+            COURSE_VISIBILITY_REGISTERED,
+            COURSE_VISIBILITY_OPEN_PLATFORM,
+            COURSE_VISIBILITY_OPEN_WORLD
+        ];
+
+        $table = Database::get_main_table(TABLE_MAIN_COURSE);
+        $tableExercise = Database::get_course_table(TABLE_QUIZ_TEST);
+        $sql = "SELECT count(e.iid) count 
+                FROM $table c INNER JOIN $tableExercise e
+                ON (c.id = e.c_id)
+                WHERE visibility IN (".implode(',', $visibility).")";
+        $result = Database::query($sql);
+        $row = Database::fetch_array($result);
+
+        return $row['count'];
+    }
 }

main/inc/lib/usermanager.lib.php

@@ -5557,4 +5557,17 @@ SQL;
             return Display::tabsOnlyLink($headers, $optionSelected);
         }
     }
+
+    /**
+     * @return int
+     */
+    public static function getCountActiveUsers()
+    {
+        $table = Database::get_main_table(TABLE_MAIN_USER);
+        $sql = "SELECT count(id) count FROM $table WHERE active = 1";
+        $result = Database::query($sql);
+        $row = Database::fetch_array($result);
+
+        return $row['count'];
+    }
 }

main/template/rainbow/layout/layout_2_col.tpl

@@ -42,7 +42,7 @@
                         <ul class="items">
                             <li><i class="fa fa-user fa-4x icon-color" aria-hidden="true"></i></li>
                             <li>
-                                <h2 class="number">450+</h2>
+                                <h2 class="number">{{ total_users }}</h2>
                                 <p class="text">{{ "RegisteredUsers"|get_lang }}</p>
                             </li>
                         </ul>
@@ -51,7 +51,7 @@
                         <ul class="items">
                             <li><i class="fa fa-book fa-4x icon-color" aria-hidden="true"></i></li>
                             <li>
-                                <h2 class="number">30</h2>
+                                <h2 class="number">{{ total_courses }}</h2>
                                 <p class="text">{{ "OpenCourses"|get_lang }}</p>
                             </li>
                         </ul>
@@ -60,7 +60,7 @@
                         <ul class="items">
                             <li><i class="fa fa-signal fa-4x icon-color" aria-hidden="true"></i></li>
                             <li>
-                                <h2 class="number">300+</h2>
+                                <h2 class="number">{{ total_exercises }}</h2>
                                 <p class="text">{{ "Certificates"|get_lang }}</p>
                             </li>
                         </ul>