Display todays cost

app.py

@@ -77,13 +77,10 @@ def toggle_pin(change_pin):
     # Toggle the selected pin
     GPIO.output(change_pin, not GPIO.input(change_pin))
 
-    message = "Turned " + device_name
     if GPIO.input(change_pin) == 0:
-        message += " off."
         if pins[change_pin]['on_time'] is not None:
             create_entry(change_pin)
     else:
-        message += " on."
         pins[change_pin]['on_time'] = datetime.now()
         pins[change_pin]['on_date'] = date.today()
 
@@ -98,11 +95,12 @@ def toggle_pin(change_pin):
     else:
         daily_total = 0
 
+    todays_cost = 0.1622 * daily_total
 
     template_data = {
-        'message': message,
         'pins': pins,
-        'daily_total': daily_total
+        'daily_total': daily_total,
+        'todays_cost': todays_cost
     }
 
     return render_template('main.html', **template_data)

templates/main.html

@@ -24,9 +24,6 @@
            {% endfor %}
 
 
-{#           {% if message %}#}
-{#           <h2>{{ message }}</h2>#}
-{#           {% endif %}#}
         </div>
 
         <div class="smart_meter">
@@ -40,6 +37,7 @@
                 </p>
 {#            Implement some way to display "No devices" message if none are in use#}
                 <p> Total energy used today: {{ daily_total }} kWh.</p>
+                <p> Total cost of today's energy usage: £{{ todays_cost }}</p>
             </div>
         </div>
     </div>