diff options
Diffstat (limited to 'synapse/storage/databases/main/stats.py')
| -rw-r--r-- | synapse/storage/databases/main/stats.py | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/synapse/storage/databases/main/stats.py b/synapse/storage/databases/main/stats.py index 5beb302be3..0cdb3ec1f7 100644 --- a/synapse/storage/databases/main/stats.py +++ b/synapse/storage/databases/main/stats.py @@ -16,15 +16,18 @@ import logging from collections import Counter +from enum import Enum from itertools import chain from typing import Any, Dict, List, Optional, Tuple from twisted.internet.defer import DeferredLock from synapse.api.constants import EventTypes, Membership +from synapse.api.errors import StoreError from synapse.storage.database import DatabasePool from synapse.storage.databases.main.state_deltas import StateDeltasStore from synapse.storage.engines import PostgresEngine +from synapse.types import JsonDict from synapse.util.caches.descriptors import cached logger = logging.getLogger(__name__) @@ -59,6 +62,23 @@ TYPE_TO_TABLE = {"room": ("room_stats", "room_id"), "user": ("user_stats", "user TYPE_TO_ORIGIN_TABLE = {"room": ("rooms", "room_id"), "user": ("users", "name")} +class UserSortOrder(Enum): + """ + Enum to define the sorting method used when returning users + with get_users_media_usage_paginate + + MEDIA_LENGTH = ordered by size of uploaded media. Smallest to largest. + MEDIA_COUNT = ordered by number of uploaded media. Smallest to largest. + USER_ID = ordered alphabetically by `user_id`. + DISPLAYNAME = ordered alphabetically by `displayname` + """ + + MEDIA_LENGTH = "media_length" + MEDIA_COUNT = "media_count" + USER_ID = "user_id" + DISPLAYNAME = "displayname" + + class StatsStore(StateDeltasStore): def __init__(self, database: DatabasePool, db_conn, hs): super().__init__(database, db_conn, hs) @@ -882,3 +902,110 @@ class StatsStore(StateDeltasStore): complete_with_stream_id=pos, absolute_field_overrides={"joined_rooms": joined_rooms}, ) + + async def get_users_media_usage_paginate( + self, + start: int, + limit: int, + from_ts: Optional[int] = None, + until_ts: Optional[int] = None, + order_by: Optional[UserSortOrder] = UserSortOrder.USER_ID.value, + direction: Optional[str] = "f", + search_term: Optional[str] = None, + ) -> Tuple[List[JsonDict], Dict[str, int]]: + """Function to retrieve a paginated list of users and their uploaded local media + (size and number). This will return a json list of users and the + total number of users matching the filter criteria. + + Args: + start: offset to begin the query from + limit: number of rows to retrieve + from_ts: request only media that are created later than this timestamp (ms) + until_ts: request only media that are created earlier than this timestamp (ms) + order_by: the sort order of the returned list + direction: sort ascending or descending + search_term: a string to filter user names by + Returns: + A list of user dicts and an integer representing the total number of + users that exist given this query + """ + + def get_users_media_usage_paginate_txn(txn): + filters = [] + args = [self.hs.config.server_name] + + if search_term: + filters.append("(lmr.user_id LIKE ? OR displayname LIKE ?)") + args.extend(["@%" + search_term + "%:%", "%" + search_term + "%"]) + + if from_ts: + filters.append("created_ts >= ?") + args.extend([from_ts]) + if until_ts: + filters.append("created_ts <= ?") + args.extend([until_ts]) + + # Set ordering + if UserSortOrder(order_by) == UserSortOrder.MEDIA_LENGTH: + order_by_column = "media_length" + elif UserSortOrder(order_by) == UserSortOrder.MEDIA_COUNT: + order_by_column = "media_count" + elif UserSortOrder(order_by) == UserSortOrder.USER_ID: + order_by_column = "lmr.user_id" + elif UserSortOrder(order_by) == UserSortOrder.DISPLAYNAME: + order_by_column = "displayname" + else: + raise StoreError( + 500, "Incorrect value for order_by provided: %s" % order_by + ) + + if direction == "b": + order = "DESC" + else: + order = "ASC" + + where_clause = "WHERE " + " AND ".join(filters) if len(filters) > 0 else "" + + sql_base = """ + FROM local_media_repository as lmr + LEFT JOIN profiles AS p ON lmr.user_id = '@' || p.user_id || ':' || ? + {} + GROUP BY lmr.user_id, displayname + """.format( + where_clause + ) + + # SQLite does not support SELECT COUNT(*) OVER() + sql = """ + SELECT COUNT(*) FROM ( + SELECT lmr.user_id + {sql_base} + ) AS count_user_ids + """.format( + sql_base=sql_base, + ) + txn.execute(sql, args) + count = txn.fetchone()[0] + + sql = """ + SELECT + lmr.user_id, + displayname, + COUNT(lmr.user_id) as media_count, + SUM(media_length) as media_length + {sql_base} + ORDER BY {order_by_column} {order} + LIMIT ? OFFSET ? + """.format( + sql_base=sql_base, order_by_column=order_by_column, order=order, + ) + + args += [limit, start] + txn.execute(sql, args) + users = self.db_pool.cursor_to_dict(txn) + + return users, count + + return await self.db_pool.runInteraction( + "get_users_media_usage_paginate_txn", get_users_media_usage_paginate_txn + ) |