From: Ralf Jung <post@ralfj.de>
Date: Tue, 15 Oct 2013 08:55:08 +0000 (+0200)
Subject: add on_leave callback and use it; send email when the space was open for 24h (as... 
X-Git-Url: https://git.ralfj.de/saartuer.git/commitdiff_plain/c18f24f8dd55661841deb73acf04be9eb7011202?hp=0c9ef9a101c6adfe914f9d039c8ec6698ccf8eb5

add on_leave callback and use it; send email when the space was open for 24h (as that should rarely be the case)
---

diff --git a/statemachine.odg b/statemachine.odg
index 883e183..d32026c 100644
Binary files a/statemachine.odg and b/statemachine.odg differ
diff --git a/statemachine.py b/statemachine.py
index f6b45dd..0fc24bd 100644
--- a/statemachine.py
+++ b/statemachine.py
@@ -79,6 +79,8 @@ class StateMachine():
 		def handle_wakeup_event(self):
 			if self._nerver is not None:
 				return self._nerver.nerv()
+		def on_leave(self):
+			pass
 		def pins(self):
 			return self.state_machine.pins
 		def old_pins(self):
@@ -144,17 +146,13 @@ class StateMachine():
 			for cb in self.callbacks:
 				if cb is not None:
 					cb(s)
-		def handle_pins_event(self):
-			# overriding superclass as we need to do notification (TODO can this be done better? on_leave?)
-			if not self.pins().door_locked:
-				self.notify(True)
-				return StateMachine.StateAboutToOpen(self.state_machine)
+		def on_leave(self):
+			self.notify(not self.pins().door_locked)
 		def handle_cmd_unlock_event(self,callback):
 			# TODO: 202 notification also here if possible
 			self.callbacks.append(callback)
 		def could_not_open(self):
 			logger.critical("StateMachine: Couldn't open door after %d tries. Going back to StateZu." % OPEN_REPEAT_NUMBER)
-			self.notify(False)
 			return StateMachine.StateZu(self.state_machine)
 	
 	class AbstractStateWhereUnlockingIsRedundant(AbstractUnlockedState):
@@ -174,7 +172,8 @@ class StateMachine():
 	
 	class StateAuf(AbstractStateWhereUnlockingIsRedundant):
 		def __init__(self,sm):
-			super().__init__(sm)
+			nervlist = [(24*60*60, lambda: logger.critical("Space is now open for 24h. Is everything all right?"))]
+			super().__init__(sm, nervlist)
 			self.last_buzzed = None
 		def handle_pins_event(self):
 			pins = self.pins()
@@ -249,6 +248,7 @@ class StateMachine():
 		newstate = self.current_state.handle_event(cmd,arg) # returns None or an instance of the new state
 		self.old_pins = self.pins
 		while newstate is not None:
+			self.current_state.on_leave()
 			logger.debug("StateMachine: Doing state transition %s -> %s" % (self.current_state.__class__.__name__, newstate.__class__.__name__))
 			self.current_state = newstate
 			newstate = self.current_state.handle_event(StateMachine.CMD_PINS, self.pins)