From 60b53b780de5b18308adfe0f61e0c739bdf3186d Mon Sep 17 00:00:00 2001
From: Constantin Berhard <constantin@exxxtremesys.lu>
Date: Thu, 10 Oct 2013 16:53:36 +0200
Subject: [PATCH] StateClosing (implementation quite ugly)

---
 statemachine.py | 36 ++++++++++++++++++++++++++++++++++--
 1 file changed, 34 insertions(+), 2 deletions(-)

diff --git a/statemachine.py b/statemachine.py
index fe92682..4b82def 100644
--- a/statemachine.py
+++ b/statemachine.py
@@ -18,6 +18,10 @@ def play_sound (what):
 OPEN_REPEAT_TIMEOUT = 8
 OPEN_REPEAT_NUMBER = 3
 
+# StateClosing constants
+CLOSE_REPEAT_TIMEOUT = 8
+CLOSE_REPEAT_NUMBER = 3
+
 # StateAboutToOpen constants
 ABOUTOPEN_NERVLIST = [(5, lambda : play_sound("flipswitch")), (10, lambda:play_sound("flipswitch")), (10, lambda:Logger.warning("Space open but switch not flipped for 10 seconds")),\
 	(20, lambda:play_sound("flipswitch")), (30, lambda:play_sound("flipswitch")), (30, lambda:Logger.error("Space open but switch not flipped for 30 seconds")),\
@@ -175,8 +179,36 @@ class StateMachine():
 		# handle_wakeup_event intentionally not overwritten
 	
 	class StateClosing(State):
-		#TODO Ralf/Conny
-		pass
+		# TODO: share code with StateOpening, and possibly also with the nerv-mechanism from StateAboutToOpen
+		def __init__(self,callback,sm):
+			State.__init__(self,sm)
+			self.callbacks=[callback]
+			# FIXME: can we send "202 processing: Trying to close the door" here? Are the callbacks multi-use?
+			self.tries = 0
+			self.actor().act(Actor.CMD_CLOSE)
+		def notify(self, did_it_work):
+			s = "200 okay: door closed" if did_it_work else ("500 internal server error: Couldn't close door with %d tries à %f seconds" % (CLOSE_REPEAT_NUMBER,CLOSE_REPEAT_TIMEOUT))
+			for cb in self.callbacks:
+				if cb is not None:
+					cb(s)
+		def handle_pins_event(self):
+			pins = self.pins()
+			if not pins.door_locked:
+				self.notify(True)
+				return StateAboutToOpen(self.state_machine)
+		def handle_open_event(self,callback):
+			callback("409 conflict: The server is currently trying to close the door. Try again later.")
+		def handle_wakeup_event(self):
+			over = time.time() - self.time_entered
+			nexttry = (self.tries+1) * CLOSE_REPEAT_TIMEOUT
+			if over > nexttry:
+				if self.tries < CLOSE_REPEAT_NUMBER:
+					self.actor().act(Actor.CMD_CLOSE)
+					self.tries += 1
+				else:
+					logger.critical("Couldn't close door after %d tries. Going back to StateAboutToOpen." % CLOSE_REPEAT_NUMBER)
+					self.notify(False)
+					return StateAboutToOpen(self.state_machine)
 	
 	class StateAboutToLeave(State):
 		#TODO Ralf
-- 
2.30.2