MDL-59057 analytics: Standarize indicators and targets ids

Part of MDL-57791 epic.

admin/tool/models/db/install.php

@@ -42,6 +42,5 @@ function xmldb_tool_models_install() {
     $target = \core_analytics\manager::get_target('\tool_models\analytics\target\no_teaching_activity');
     $weekbeforestart = '\core_analytics\local\time_splitting\week_before_course_start';
     $noteacher = \core_analytics\manager::get_indicator('\core_course\analytics\indicator\no_teacher');
-    $key = '\\' . get_class($noteacher);
-    \core_analytics\model::create($target, array($key => $noteacher), $weekbeforestart);
+    \core_analytics\model::create($target, array($noteacher->get_id() => $noteacher), $weekbeforestart);
 }

admin/tool/models/db/uninstall.php

@@ -33,7 +33,7 @@ function xmldb_tool_models_uninstall() {
     $options = array();
     foreach ($targets as $classname => $unused) {
         $target = \core_analytics\manager::get_target($classname);
-        $options[] = '\\' . get_class($target);
+        $options[] = $target->get_id();
     }
     list($sql, $params) = $DB->get_in_or_equal($options);
     $models = $DB->get_records_select('analytics_models', "target $sql", $params);

analytics/classes/calculable.php

@@ -53,6 +53,15 @@ public static function get_name() {
         return get_called_class();
     }
 
+    /**
+     * The class id is the calculable class full qualified class name.
+     *
+     * @return string
+     */
+    public function get_id() {
+        return '\\' . get_class($this);
+    }
+
     /**
      * add_sample_data
      *

analytics/classes/manager.php

@@ -206,7 +206,7 @@ public static function get_all_indicators() {
             $instance = self::get_indicator($fullclassname);
             if ($instance) {
                 // Using get_class as get_component_classes_in_namespace returns double escaped fully qualified class names.
-                self::$allindicators['\\' . get_class($instance)] = $instance;
+                self::$allindicators[$instance->get_id()] = $instance;
             }
         }
 

analytics/classes/model.php

@@ -268,7 +268,7 @@ public static function create(\core_analytics\local\target\base $target, array $
         $now = time();
 
         $modelobj = new \stdClass();
-        $modelobj->target = '\\' . get_class($target);
+        $modelobj->target = $target->get_id();
         $modelobj->indicators = json_encode($indicatorclasses);
         $modelobj->version = $now;
         $modelobj->timecreated = $now;
@@ -1057,7 +1057,7 @@ private static function indicator_classes($indicators) {
                 }
                 throw new \moodle_exception('errorinvalidindicator', 'analytics', '', $indicator);
             }
-            $indicatorclasses[] = '\\' . get_class($indicator);
+            $indicatorclasses[] = $indicator->get_id();
         }
 
         return $indicatorclasses;