Update num_attempts field of new mentoring block after submitting last step.

problem_builder/mentoring.py

@@ -976,6 +976,11 @@ class MentoringWithExplicitStepsBlock(BaseMentoringBlock, StudioContainerWithNes
         }
 
     @XBlock.json_handler
+    def update_num_attempts(self, data, suffix=''):
+        self.num_attempts += 1
+        return {}
+
+    @XBlock.json_handler
     def try_again(self, data, suffix=''):
         self.active_step = 0
 

problem_builder/public/js/mentoring_with_steps.js

@@ -26,9 +26,17 @@ function MentoringWithStepsBlock(runtime, element) {
             });
     }
 
+    function updateNumAttempts() {
+        var handlerUrl = runtime.handlerUrl(element, 'update_num_attempts');
+        $.post(handlerUrl, JSON.stringify({}));
+    }
+
     function handleResults(response) {
         // Update active step so next step is shown on page reload (even if user does not click "Next Step")
         updateActiveStep(activeStep+1);
+        if (response.update_attempts) {
+            updateNumAttempts();
+        }
 
         // Update UI
         if (response.completed === 'correct') {

problem_builder/step.py

@@ -103,6 +103,11 @@ class MentoringStepBlock(
         return self.get_parent().steps
 
     @property
+    def is_last_step(self):
+        parent = self.get_parent()
+        return self.step_number == len(parent.steps)
+
+    @property
     def allowed_nested_blocks(self):
         """
         Returns a list of allowed nested XBlocks. Each item can be either
@@ -149,6 +154,7 @@ class MentoringStepBlock(
             'message': 'Success!',
             'completed': completed,
             'results': submit_results,
+            'update_attempts': self.is_last_step
         }
 
     def reset(self):