Add ability to choose graphs to render, speed by default

app.py

@@ -157,6 +157,13 @@ def workout(user_id, workout_id, graph_type):
         return jsonify({'message': 'Workout {} not found for user {}.'.format(workout_id, user_id)}), 404
 
 
+@app.route('/user/<int:user_id>/workout/<int:workout_id>/view', methods=['GET'])
+def view_workout(user_id, workout_id):
+    workout = Workout.query.filter_by(user_id=user_id, id=workout_id).first()
+    graph_types = request.args.getlist('graph_types')
+    return render_template('workout_view.html', workout=workout, graph_types=graph_types)
+
+
 @app.route('/user/<int:user_id>/workout/<int:workout_id>/delete', methods=['DELETE'])
 def delete_workout(user_io, workout_id):
     # Delete the workout and its associated cadence readings