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Add workaround to prevent double messages

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For some reason spectrum occasionally sends to identical messages to
a buddy, one to the bare jid and one to /bot. This causes duplicate
messages. Since it is unlikely a user wants to send the same message
twice, we should just ignore the second message.

This is only a work around, a proper fix should be implemented.
This commit is contained in:
moyamo 2015-09-05 11:39:34 +02:00
parent e43aeedd9d
commit a6971ad889
1 changed files with 14 additions and 2 deletions
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14
whatsappbackend.py
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@ -36,6 +36,8 @@ class WhatsAppBackend(SpectrumBackend):
self.io = io self.io = io
self.db = db self.db = db
self.sessions = { } self.sessions = { }
# Used to prevent duplicate messages
self.lastMessage = {}
self.logger.debug("Backend started") self.logger.debug("Backend started")
@ -45,6 +47,9 @@ class WhatsAppBackend(SpectrumBackend):
if user not in self.sessions: if user not in self.sessions:
self.sessions[user] = Session(self, user, legacyName, extra, self.db) self.sessions[user] = Session(self, user, legacyName, extra, self.db)
if user not in self.lastMessage:
self.lastMessage[user] = {}
self.sessions[user].login(password) self.sessions[user].login(password)
def handleLogoutRequest(self, user, legacyName): def handleLogoutRequest(self, user, legacyName):
@ -54,8 +59,15 @@ class WhatsAppBackend(SpectrumBackend):
del self.sessions[user] del self.sessions[user]
def handleMessageSendRequest(self, user, buddy, message, xhtml = ""): def handleMessageSendRequest(self, user, buddy, message, xhtml = ""):
self.logger.debug("handleMessageSendRequest(user=%s, buddy=%s, message=%s)", user, buddy, message) self.logger.debug("handleMessageSendRequest(user=%s, buddy=%s, message=%s, xhtml = %s)", user, buddy, message, xhtml)
# For some reason spectrum occasionally sends to identical messages to
# a buddy, one to the bare jid and one to /bot. This causes duplicate
# messages. Since it is unlikely a user wants to send the same message
# twice, we should just ignore the second message
usersMessage = self.lastMessage[user]
if buddy not in usersMessage or usersMessage[buddy] != message:
self.sessions[user].sendMessageToWA(buddy, message) self.sessions[user].sendMessageToWA(buddy, message)
usersMessage[buddy] = message
def handleJoinRoomRequest(self, user, room, nickname, pasword): def handleJoinRoomRequest(self, user, room, nickname, pasword):
self.logger.debug("handleJoinRoomRequest(user=%s, room=%s, nickname=%s)", user, room, nickname) self.logger.debug("handleJoinRoomRequest(user=%s, room=%s, nickname=%s)", user, room, nickname)