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path: root/synapse/storage/databases/main/media_repository.py
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-rw-r--r--synapse/storage/databases/main/media_repository.py104
1 files changed, 104 insertions, 0 deletions
diff --git a/synapse/storage/databases/main/media_repository.py b/synapse/storage/databases/main/media_repository.py

index cc538c5c10..daf57675d8 100644 --- a/synapse/storage/databases/main/media_repository.py +++ b/synapse/storage/databases/main/media_repository.py
@@ -93,6 +93,7 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore): def __init__(self, database: DatabasePool, db_conn, hs): super().__init__(database, db_conn, hs) + self.server_name = hs.hostname async def get_local_media(self, media_id: str) -> Optional[Dict[str, Any]]: """Get the metadata for a local piece of media @@ -115,6 +116,109 @@ class MediaRepositoryStore(MediaRepositoryBackgroundUpdateStore): desc="get_local_media", ) + async def get_local_media_by_user_paginate( + self, start: int, limit: int, user_id: str + ) -> Tuple[List[Dict[str, Any]], int]: + """Get a paginated list of metadata for a local piece of media + which an user_id has uploaded + + Args: + start: offset in the list + limit: maximum amount of media_ids to retrieve + user_id: fully-qualified user id + Returns: + A paginated list of all metadata of user's media, + plus the total count of all the user's media + """ + + def get_local_media_by_user_paginate_txn(txn): + + args = [user_id] + sql = """ + SELECT COUNT(*) as total_media + FROM local_media_repository + WHERE user_id = ? + """ + txn.execute(sql, args) + count = txn.fetchone()[0] + + sql = """ + SELECT + "media_id", + "media_type", + "media_length", + "upload_name", + "created_ts", + "last_access_ts", + "quarantined_by", + "safe_from_quarantine" + FROM local_media_repository + WHERE user_id = ? + ORDER BY created_ts DESC, media_id DESC + LIMIT ? OFFSET ? + """ + + args += [limit, start] + txn.execute(sql, args) + media = self.db_pool.cursor_to_dict(txn) + return media, count + + return await self.db_pool.runInteraction( + "get_local_media_by_user_paginate_txn", get_local_media_by_user_paginate_txn + ) + + async def get_local_media_before( + self, before_ts: int, size_gt: int, keep_profiles: bool, + ) -> Optional[List[str]]: + + # to find files that have never been accessed (last_access_ts IS NULL) + # compare with `created_ts` + sql = """ + SELECT media_id + FROM local_media_repository AS lmr + WHERE + ( last_access_ts < ? + OR ( created_ts < ? AND last_access_ts IS NULL ) ) + AND media_length > ? + """ + + if keep_profiles: + sql_keep = """ + AND ( + NOT EXISTS + (SELECT 1 + FROM profiles + WHERE profiles.avatar_url = '{media_prefix}' || lmr.media_id) + AND NOT EXISTS + (SELECT 1 + FROM groups + WHERE groups.avatar_url = '{media_prefix}' || lmr.media_id) + AND NOT EXISTS + (SELECT 1 + FROM room_memberships + WHERE room_memberships.avatar_url = '{media_prefix}' || lmr.media_id) + AND NOT EXISTS + (SELECT 1 + FROM user_directory + WHERE user_directory.avatar_url = '{media_prefix}' || lmr.media_id) + AND NOT EXISTS + (SELECT 1 + FROM room_stats_state + WHERE room_stats_state.avatar = '{media_prefix}' || lmr.media_id) + ) + """.format( + media_prefix="mxc://%s/" % (self.server_name,), + ) + sql += sql_keep + + def _get_local_media_before_txn(txn): + txn.execute(sql, (before_ts, before_ts, size_gt)) + return [row[0] for row in txn] + + return await self.db_pool.runInteraction( + "get_local_media_before", _get_local_media_before_txn + ) + async def store_local_media( self, media_id,