82 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Python
		
	
	
			
		
		
	
	
			82 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			Python
		
	
	
# -*- coding: utf-8 -*-
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# Copyright 2014-2016 OpenMarket Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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#     http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from typing import Any, Dict
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from synapse.handlers.account_data import AccountDataEventSource
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from synapse.handlers.presence import PresenceEventSource
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from synapse.handlers.receipts import ReceiptEventSource
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from synapse.handlers.room import RoomEventSource
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from synapse.handlers.typing import TypingNotificationEventSource
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from synapse.types import StreamToken
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class EventSources:
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    SOURCE_TYPES = {
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        "room": RoomEventSource,
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        "presence": PresenceEventSource,
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        "typing": TypingNotificationEventSource,
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        "receipt": ReceiptEventSource,
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        "account_data": AccountDataEventSource,
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    }
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    def __init__(self, hs):
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        self.sources = {
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            name: cls(hs) for name, cls in EventSources.SOURCE_TYPES.items()
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        }  # type: Dict[str, Any]
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        self.store = hs.get_datastore()
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    def get_current_token(self) -> StreamToken:
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        push_rules_key = self.store.get_max_push_rules_stream_id()
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        to_device_key = self.store.get_to_device_stream_token()
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        device_list_key = self.store.get_device_stream_token()
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        groups_key = self.store.get_group_stream_token()
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        token = StreamToken(
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            room_key=self.sources["room"].get_current_key(),
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            presence_key=self.sources["presence"].get_current_key(),
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            typing_key=self.sources["typing"].get_current_key(),
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            receipt_key=self.sources["receipt"].get_current_key(),
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            account_data_key=self.sources["account_data"].get_current_key(),
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            push_rules_key=push_rules_key,
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            to_device_key=to_device_key,
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            device_list_key=device_list_key,
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            groups_key=groups_key,
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        )
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        return token
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    def get_current_token_for_pagination(self) -> StreamToken:
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        """Get the current token for a given room to be used to paginate
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        events.
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        The returned token does not have the current values for fields other
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        than `room`, since they are not used during pagination.
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        Returns:
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            The current token for pagination.
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        """
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        token = StreamToken(
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            room_key=self.sources["room"].get_current_key(),
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            presence_key=0,
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            typing_key=0,
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            receipt_key=0,
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            account_data_key=0,
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            push_rules_key=0,
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            to_device_key=0,
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            device_list_key=0,
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            groups_key=0,
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        )
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        return token
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