MDL-59657 analytics: No predictions until training is completed

crazyserver · Sep 7, 2017 · ce99f1f · ce99f1f
1 parent 2999602
commit ce99f1f
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/admin/tool/analytics/model.php b/admin/tool/analytics/model.php
@@ -161,8 +161,13 @@
 
         // Looks dumb to get a new instance but better be conservative.
         $model = new \core_analytics\model($model->get_model_obj());
-        $predictresults = $model->predict();
-        $predictlogs = $model->get_analyser()->get_logs();
+        if ($model->is_trained()) {
+            $predictresults = $model->predict();
+            $predictlogs = $model->get_analyser()->get_logs();
+        } else {
+            $predictresults = false;
+            $predictlogs = array();
+        }
 
         $renderer = $PAGE->get_renderer('tool_analytics');
         echo $renderer->render_get_predictions_results($trainresults, $trainlogs, $predictresults, $predictlogs);