picture client side ready

controller/state/changer.py

@@ -1,5 +1,6 @@
 import RPi.GPIO as GPIO
 import config
+from camera import make_transfer_picture
 
 class Changer(object):
 
@@ -45,6 +46,8 @@ class Changer(object):
         if in_valve_change is not None:
             in_valve_change()
 
+        self.fulfill_picture_request()
+
         return self.local_state
 
     def open_in_valve(self):
@@ -63,6 +66,12 @@ class Changer(object):
         GPIO.output(config.GPIO_PIN_OUT_VALVE, GPIO.LOW)
         self.local_state['out_valve'] = 'closed'
 
+    def fulfill_picture_request(self):
+        if self.remote_state['transfer_picture'] == 'true':
+            make_transfer_picture()
+        self.local_state['transfer_picture'] = 'false'
+
+
     def validate_states(self):
         if self.local_state is None or self.remote_state is None:
             raise ClassNotReadyException("Both local and remote states must be present!")