280 lines
11 KiB
Python
280 lines
11 KiB
Python
# -*- coding: utf-8 -*-
|
|
# Copyright 2014 matrix.org
|
|
#
|
|
# Licensed under the Apache License, Version 2.0 (the "License");
|
|
# you may not use this file except in compliance with the License.
|
|
# You may obtain a copy of the License at
|
|
#
|
|
# http://www.apache.org/licenses/LICENSE-2.0
|
|
#
|
|
# Unless required by applicable law or agreed to in writing, software
|
|
# distributed under the License is distributed on an "AS IS" BASIS,
|
|
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
# See the License for the specific language governing permissions and
|
|
# limitations under the License.
|
|
|
|
|
|
from ._base import SQLBaseStore
|
|
from .message import MessagesTable
|
|
from .feedback import FeedbackTable
|
|
from .roomdata import RoomDataTable
|
|
from .roommember import RoomMemberTable
|
|
|
|
import json
|
|
import logging
|
|
|
|
logger = logging.getLogger(__name__)
|
|
|
|
|
|
class StreamStore(SQLBaseStore):
|
|
|
|
def get_message_stream(self, user_id, from_key, to_key, room_id, limit=0,
|
|
with_feedback=False):
|
|
"""Get all messages for this user between the given keys.
|
|
|
|
Args:
|
|
user_id (str): The user who is requesting messages.
|
|
from_key (int): The ID to start returning results from (exclusive).
|
|
to_key (int): The ID to stop returning results (exclusive).
|
|
room_id (str): Gets messages only for this room. Can be None, in
|
|
which case all room messages will be returned.
|
|
Returns:
|
|
A tuple of rows (list of namedtuples), new_id(int)
|
|
"""
|
|
if with_feedback and room_id: # with fb MUST specify a room ID
|
|
return self._db_pool.runInteraction(
|
|
self._get_message_rows_with_feedback,
|
|
user_id, from_key, to_key, room_id, limit
|
|
)
|
|
else:
|
|
return self._db_pool.runInteraction(
|
|
self._get_message_rows,
|
|
user_id, from_key, to_key, room_id, limit
|
|
)
|
|
|
|
def _get_message_rows(self, txn, user_id, from_pkey, to_pkey, room_id,
|
|
limit):
|
|
# work out which rooms this user is joined in on and join them with
|
|
# the room id on the messages table, bounded by the specified pkeys
|
|
|
|
# get all messages where the *current* membership state is 'join' for
|
|
# this user in that room.
|
|
query = ("SELECT messages.* FROM messages WHERE ? IN"
|
|
+ " (SELECT membership from room_memberships WHERE user_id=?"
|
|
+ " AND room_id = messages.room_id ORDER BY id DESC LIMIT 1)")
|
|
query_args = ["join", user_id]
|
|
|
|
if room_id:
|
|
query += " AND messages.room_id=?"
|
|
query_args.append(room_id)
|
|
|
|
(query, query_args) = self._append_stream_operations(
|
|
"messages", query, query_args, from_pkey, to_pkey, limit=limit
|
|
)
|
|
|
|
cursor = txn.execute(query, query_args)
|
|
return self._as_events(cursor, MessagesTable, from_pkey)
|
|
|
|
def _get_message_rows_with_feedback(self, txn, user_id, from_pkey, to_pkey,
|
|
room_id, limit):
|
|
# this col represents the compressed feedback JSON as per spec
|
|
compressed_feedback_col = (
|
|
"'[' || group_concat('{\"sender_id\":\"' || f.fb_sender_id"
|
|
+ " || '\",\"feedback_type\":\"' || f.feedback_type"
|
|
+ " || '\",\"content\":' || f.content || '}') || ']'"
|
|
)
|
|
|
|
global_msg_id_join = ("f.room_id = messages.room_id"
|
|
+ " and f.msg_id = messages.msg_id"
|
|
+ " and messages.user_id = f.msg_sender_id")
|
|
|
|
select_query = (
|
|
"SELECT messages.*, f.content AS fb_content, f.fb_sender_id"
|
|
+ ", " + compressed_feedback_col + " AS compressed_fb"
|
|
+ " FROM messages LEFT JOIN feedback f ON " + global_msg_id_join)
|
|
|
|
current_membership_sub_query = (
|
|
"(SELECT membership from room_memberships rm"
|
|
+ " WHERE user_id=? AND room_id = rm.room_id"
|
|
+ " ORDER BY id DESC LIMIT 1)")
|
|
|
|
where = (" WHERE ? IN " + current_membership_sub_query
|
|
+ " AND messages.room_id=?")
|
|
|
|
query = select_query + where
|
|
query_args = ["join", user_id, room_id]
|
|
|
|
(query, query_args) = self._append_stream_operations(
|
|
"messages", query, query_args, from_pkey, to_pkey,
|
|
limit=limit, group_by=" GROUP BY messages.id "
|
|
)
|
|
|
|
cursor = txn.execute(query, query_args)
|
|
|
|
# convert the result set into events
|
|
entries = self.cursor_to_dict(cursor)
|
|
events = []
|
|
for entry in entries:
|
|
# TODO we should spec the cursor > event mapping somewhere else.
|
|
event = {}
|
|
straight_mappings = ["msg_id", "user_id", "room_id"]
|
|
for key in straight_mappings:
|
|
event[key] = entry[key]
|
|
event["content"] = json.loads(entry["content"])
|
|
if entry["compressed_fb"]:
|
|
event["feedback"] = json.loads(entry["compressed_fb"])
|
|
events.append(event)
|
|
|
|
latest_pkey = from_pkey if len(entries) == 0 else entries[-1]["id"]
|
|
|
|
return (events, latest_pkey)
|
|
|
|
def get_room_member_stream(self, user_id, from_key, to_key):
|
|
"""Get all room membership events for this user between the given keys.
|
|
|
|
Args:
|
|
user_id (str): The user who is requesting membership events.
|
|
from_key (int): The ID to start returning results from (exclusive).
|
|
to_key (int): The ID to stop returning results (exclusive).
|
|
Returns:
|
|
A tuple of rows (list of namedtuples), new_id(int)
|
|
"""
|
|
return self._db_pool.runInteraction(
|
|
self._get_room_member_rows, user_id, from_key, to_key
|
|
)
|
|
|
|
def _get_room_member_rows(self, txn, user_id, from_pkey, to_pkey):
|
|
# get all room membership events for rooms which the user is
|
|
# *currently* joined in on, or all invite events for this user.
|
|
current_membership_sub_query = (
|
|
"(SELECT membership FROM room_memberships"
|
|
+ " WHERE user_id=? AND room_id = rm.room_id"
|
|
+ " ORDER BY id DESC LIMIT 1)")
|
|
|
|
query = ("SELECT rm.* FROM room_memberships rm "
|
|
# all membership events for rooms you've currently joined.
|
|
+ " WHERE (? IN " + current_membership_sub_query
|
|
# all invite membership events for this user
|
|
+ " OR rm.membership=? AND user_id=?)"
|
|
+ " AND rm.id > ?")
|
|
query_args = ["join", user_id, "invite", user_id, from_pkey]
|
|
|
|
if to_pkey != -1:
|
|
query += " AND rm.id < ?"
|
|
query_args.append(to_pkey)
|
|
|
|
cursor = txn.execute(query, query_args)
|
|
return self._as_events(cursor, RoomMemberTable, from_pkey)
|
|
|
|
def get_feedback_stream(self, user_id, from_key, to_key, room_id, limit=0):
|
|
return self._db_pool.runInteraction(
|
|
self._get_feedback_rows,
|
|
user_id, from_key, to_key, room_id, limit
|
|
)
|
|
|
|
def _get_feedback_rows(self, txn, user_id, from_pkey, to_pkey, room_id,
|
|
limit):
|
|
# work out which rooms this user is joined in on and join them with
|
|
# the room id on the feedback table, bounded by the specified pkeys
|
|
|
|
# get all messages where the *current* membership state is 'join' for
|
|
# this user in that room.
|
|
query = (
|
|
"SELECT feedback.* FROM feedback WHERE ? IN "
|
|
+ "(SELECT membership from room_memberships WHERE user_id=?"
|
|
+ " AND room_id = feedback.room_id ORDER BY id DESC LIMIT 1)")
|
|
query_args = ["join", user_id]
|
|
|
|
if room_id:
|
|
query += " AND feedback.room_id=?"
|
|
query_args.append(room_id)
|
|
|
|
(query, query_args) = self._append_stream_operations(
|
|
"feedback", query, query_args, from_pkey, to_pkey, limit=limit
|
|
)
|
|
|
|
cursor = txn.execute(query, query_args)
|
|
return self._as_events(cursor, FeedbackTable, from_pkey)
|
|
|
|
def get_room_data_stream(self, user_id, from_key, to_key, room_id,
|
|
limit=0):
|
|
return self._db_pool.runInteraction(
|
|
self._get_room_data_rows,
|
|
user_id, from_key, to_key, room_id, limit
|
|
)
|
|
|
|
def _get_room_data_rows(self, txn, user_id, from_pkey, to_pkey, room_id,
|
|
limit):
|
|
# work out which rooms this user is joined in on and join them with
|
|
# the room id on the feedback table, bounded by the specified pkeys
|
|
|
|
# get all messages where the *current* membership state is 'join' for
|
|
# this user in that room.
|
|
query = (
|
|
"SELECT room_data.* FROM room_data WHERE ? IN "
|
|
+ "(SELECT membership from room_memberships WHERE user_id=?"
|
|
+ " AND room_id = room_data.room_id ORDER BY id DESC LIMIT 1)")
|
|
query_args = ["join", user_id]
|
|
|
|
if room_id:
|
|
query += " AND room_data.room_id=?"
|
|
query_args.append(room_id)
|
|
|
|
(query, query_args) = self._append_stream_operations(
|
|
"room_data", query, query_args, from_pkey, to_pkey, limit=limit
|
|
)
|
|
|
|
cursor = txn.execute(query, query_args)
|
|
return self._as_events(cursor, RoomDataTable, from_pkey)
|
|
|
|
def _append_stream_operations(self, table_name, query, query_args,
|
|
from_pkey, to_pkey, limit=None,
|
|
group_by=""):
|
|
LATEST_ROW = -1
|
|
order_by = ""
|
|
if to_pkey > from_pkey:
|
|
if from_pkey != LATEST_ROW:
|
|
# e.g. from=5 to=9 >> from 5 to 9 >> id>5 AND id<9
|
|
query += (" AND %s.id > ? AND %s.id < ?" %
|
|
(table_name, table_name))
|
|
query_args.append(from_pkey)
|
|
query_args.append(to_pkey)
|
|
else:
|
|
# e.g. from=-1 to=5 >> from now to 5 >> id>5 ORDER BY id DESC
|
|
query += " AND %s.id > ? " % table_name
|
|
order_by = "ORDER BY id DESC"
|
|
query_args.append(to_pkey)
|
|
elif from_pkey > to_pkey:
|
|
if to_pkey != LATEST_ROW:
|
|
# from=9 to=5 >> from 9 to 5 >> id>5 AND id<9 ORDER BY id DESC
|
|
query += (" AND %s.id > ? AND %s.id < ? " %
|
|
(table_name, table_name))
|
|
order_by = "ORDER BY id DESC"
|
|
query_args.append(to_pkey)
|
|
query_args.append(from_pkey)
|
|
else:
|
|
# from=5 to=-1 >> from 5 to now >> id>5
|
|
query += " AND %s.id > ?" % table_name
|
|
query_args.append(from_pkey)
|
|
|
|
query += group_by + order_by
|
|
|
|
if limit and limit > 0:
|
|
query += " LIMIT ?"
|
|
query_args.append(str(limit))
|
|
|
|
return (query, query_args)
|
|
|
|
def _as_events(self, cursor, table, from_pkey):
|
|
data_entries = table.decode_results(cursor)
|
|
last_pkey = from_pkey
|
|
if data_entries:
|
|
last_pkey = data_entries[-1].id
|
|
|
|
events = [
|
|
entry.as_event(self.event_factory).get_dict()
|
|
for entry in data_entries
|
|
]
|
|
|
|
return (events, last_pkey)
|