From 7331d34839dca468b9e396e1d2952b0bb32011bf Mon Sep 17 00:00:00 2001 From: Kegan Dougal Date: Tue, 27 Jan 2015 16:23:46 +0000 Subject: [PATCH] Add AS specific classes with docstrings. --- synapse/storage/appservice.py | 60 ++++++++++++++++++++++++++++++++++- 1 file changed, 59 insertions(+), 1 deletion(-) diff --git a/synapse/storage/appservice.py b/synapse/storage/appservice.py index 99f58b4c62..4c11191fe8 100644 --- a/synapse/storage/appservice.py +++ b/synapse/storage/appservice.py @@ -20,11 +20,69 @@ from synapse.api.errors import StoreError from ._base import SQLBaseStore +# XXX: This feels like it should belong in a "models" module, not storage. +class ApplicationService(object): + """Defines an application service. + + Provides methods to check if this service is "interested" in events. + """ + + def __init__(self, token, url=None, namespaces=None): + self.token = token + if url: + self.url = url + if namespaces: + self.namespaces = namespaces + + def is_interested(self, event): + """Check if this service is interested in this event. + + Args: + event(Event): The event to check. + Returns: + bool: True if this service would like to know about this event. + """ + # NB: This does not check room alias regex matches because that requires + # more context that an Event can provide. Room alias matches are checked + # in the ApplicationServiceHandler. + + # TODO check if event.room_id regex matches + # TODO check if event.user_id regex matches (or m.room.member state_key) + + return True + + +class ApplicationServiceCache(object): + """Caches ApplicationServices and provides utility functions on top. + + This class is designed to be invoked on incoming events in order to avoid + hammering the database every time to extract a list of application service + regexes. + """ + + def __init__(self): + self.services = [] + + def get_services_for_event(self, event): + """Retrieve a list of application services interested in this event. + + Args: + event(Event): The event to check. + Returns: + list: A list of services interested in this + event based on the service regex. + """ + interested_list = [ + s for s in self.services if s.is_event_claimed(event) + ] + return interested_list + + class ApplicationServiceStore(SQLBaseStore): def __init__(self, hs): super(ApplicationServiceStore, self).__init__(hs) - + self.cache = ApplicationServiceCache() self.clock = hs.get_clock() @defer.inlineCallbacks