MDL-59988 analytics: Files marked as used only if valid

- Basic unit test for minimum machine learning backends requirements - Warning return messages now include not enough data - Clear models when the predictions processor is changed - Refined the name of a couple of constants / methods
2017-10-13 12:24:17 +02:00
parent 9a316f3367
commit 325b3bdd8e
11 changed files with 165 additions and 34 deletions
@@ -58,6 +58,15 @@ class admin_setting_predictor extends \admin_setting_configselect {
            return get_string('errorprocessornotready', 'analytics', $isready);
        }

+        $currentvalue = get_config('analytics', 'predictionsprocessor');
+        if (!empty($currentvalue) && $currentvalue != str_replace('\\\\', '\\', $data)) {
+            // Clear all models data.
+            $models = \core_analytics\manager::get_all_models();
+            foreach ($models as $model) {
+                $model->clear();
+            }
+        }
+
        return ($this->config_write($this->name, $data) ? '' : get_string('errorsetting', 'admin'));
    }
 }