If a workout was tracked with a hear rate monitor heart rate graph will be selected by default, and average bpm will be rendered as well

app.py

@@ -299,6 +299,7 @@ def get_workouts_for_user(user_id):
     for workout in workouts:
         cadence_readings = CadenceReading.query.filter_by(
             workout_id=workout.id).all()
+
         if cadence_readings:
             start_time = min(
                 reading.created_at for reading in cadence_readings)
@@ -309,6 +310,18 @@ def get_workouts_for_user(user_id):
                 reading.rpm for reading in cadence_readings) / len(cadence_readings)
             calories = cadence_readings[-1].calories
             distance = cadence_readings[-1].distance
+
+            selected_graph_types = ['speed']
+            is_heart_rate_available = False
+            heart_rate_readings = HeartRateReading.query.filter_by(
+                workout_id=workout.id).all()
+            average_bpm = 0
+            if heart_rate_readings:
+                selected_graph_types.append('heart_rate')
+                is_heart_rate_available = True
+                average_bpm = sum(heartrate.bpm for heartrate in heart_rate_readings) / \
+                    len(heart_rate_readings)
+
             workouts_data.append({
                 'id': workout.id,
                 'user_id': user_id,
@@ -319,7 +332,10 @@ def get_workouts_for_user(user_id):
                 'average_rpm': int(average_rpm),
                 'calories': int(calories),
                 'distance': int(distance),
-                'bike_display_name': workout.bike.display_name
+                'bike_display_name': workout.bike.display_name,
+                'selected_graph_types': selected_graph_types,
+                'is_heart_rate_available': is_heart_rate_available,
+                'average_bpm': int(average_bpm)
             })
     return workouts_data
 

templates/workouts_list.html

@@ -80,7 +80,8 @@
 
                             <p class="text-sm text-gray-500">Duration: {{ w.duration }} | Average RPM: {{ w.average_rpm
                                 }} |
-                                Calories: {{ w.calories }} | Distance: {{ w.distance }}</p>
+                                Calories: {{ w.calories }} | Distance: {{ w.distance }} {% if w.is_heart_rate_available
+                                %} | Average: BPM: {{w.average_bpm }} {% endif %}</p>
                         </div>
                         <span
                             class="ml-auto h-5 w-5 shrink-0 rotate-[-180deg] fill-[#336dec] transition-transform duration-200 ease-in-out group-[[data-te-collapse-collapsed]]:rotate-0 group-[[data-te-collapse-collapsed]]:fill-[#212529] motion-reduce:transition-none dark:fill-blue-300 dark:group-[[data-te-collapse-collapsed]]:fill-white">
@@ -93,7 +94,7 @@
                 </h2>
                 <div class="!visible collapse {% if loop.index  != 1 %}hidden{% endif %}">
                     <div id="workout_view-{{ w.id }}">
-                        {% with workout=w, graph_types=['speed'] %}
+                        {% with workout=w, graph_types=w['selected_graph_types'] %}
                         {% include 'workout_view.html' %}
                         {% endwith %}
                     </div>