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![Richard van der Hoff](/assets/img/avatar_default.png)
Create the url_cache index on local_media_repository as a background update, so that we can detect whether we are on sqlite or not and create a partial or complete index accordingly. To avoid running the cleanup job before we have built the index, add a bailout which will defer the cleanup if the bg updates are still running. Fixes https://github.com/matrix-org/synapse/issues/2572.
318 lines
11 KiB
Python
318 lines
11 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 synapse.storage.background_updates import BackgroundUpdateStore
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class MediaRepositoryStore(BackgroundUpdateStore):
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"""Persistence for attachments and avatars"""
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def __init__(self, db_conn, hs):
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super(MediaRepositoryStore, self).__init__(db_conn, hs)
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self.register_background_index_update(
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update_name='local_media_repository_url_idx',
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index_name='local_media_repository_url_idx',
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table='local_media_repository',
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columns=['created_ts'],
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where_clause='url_cache IS NOT NULL',
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)
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def get_default_thumbnails(self, top_level_type, sub_type):
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return []
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def get_local_media(self, media_id):
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"""Get the metadata for a local piece of media
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Returns:
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None if the media_id doesn't exist.
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"""
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return self._simple_select_one(
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"local_media_repository",
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{"media_id": media_id},
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(
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"media_type", "media_length", "upload_name", "created_ts",
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"quarantined_by", "url_cache",
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),
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allow_none=True,
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desc="get_local_media",
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)
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def store_local_media(self, media_id, media_type, time_now_ms, upload_name,
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media_length, user_id, url_cache=None):
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return self._simple_insert(
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"local_media_repository",
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{
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"media_id": media_id,
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"media_type": media_type,
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"created_ts": time_now_ms,
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"upload_name": upload_name,
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"media_length": media_length,
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"user_id": user_id.to_string(),
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"url_cache": url_cache,
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},
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desc="store_local_media",
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)
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def get_url_cache(self, url, ts):
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"""Get the media_id and ts for a cached URL as of the given timestamp
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Returns:
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None if the URL isn't cached.
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"""
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def get_url_cache_txn(txn):
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# get the most recently cached result (relative to the given ts)
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sql = (
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"SELECT response_code, etag, expires_ts, og, media_id, download_ts"
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" FROM local_media_repository_url_cache"
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" WHERE url = ? AND download_ts <= ?"
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" ORDER BY download_ts DESC LIMIT 1"
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)
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txn.execute(sql, (url, ts))
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row = txn.fetchone()
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if not row:
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# ...or if we've requested a timestamp older than the oldest
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# copy in the cache, return the oldest copy (if any)
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sql = (
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"SELECT response_code, etag, expires_ts, og, media_id, download_ts"
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" FROM local_media_repository_url_cache"
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" WHERE url = ? AND download_ts > ?"
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" ORDER BY download_ts ASC LIMIT 1"
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)
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txn.execute(sql, (url, ts))
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row = txn.fetchone()
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if not row:
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return None
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return dict(zip((
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'response_code', 'etag', 'expires_ts', 'og', 'media_id', 'download_ts'
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), row))
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return self.runInteraction(
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"get_url_cache", get_url_cache_txn
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)
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def store_url_cache(self, url, response_code, etag, expires_ts, og, media_id,
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download_ts):
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return self._simple_insert(
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"local_media_repository_url_cache",
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{
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"url": url,
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"response_code": response_code,
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"etag": etag,
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"expires_ts": expires_ts,
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"og": og,
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"media_id": media_id,
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"download_ts": download_ts,
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},
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desc="store_url_cache",
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)
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def get_local_media_thumbnails(self, media_id):
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return self._simple_select_list(
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"local_media_repository_thumbnails",
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{"media_id": media_id},
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(
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"thumbnail_width", "thumbnail_height", "thumbnail_method",
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"thumbnail_type", "thumbnail_length",
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),
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desc="get_local_media_thumbnails",
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)
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def store_local_thumbnail(self, media_id, thumbnail_width,
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thumbnail_height, thumbnail_type,
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thumbnail_method, thumbnail_length):
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return self._simple_insert(
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"local_media_repository_thumbnails",
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{
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"media_id": media_id,
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"thumbnail_width": thumbnail_width,
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"thumbnail_height": thumbnail_height,
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"thumbnail_method": thumbnail_method,
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"thumbnail_type": thumbnail_type,
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"thumbnail_length": thumbnail_length,
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},
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desc="store_local_thumbnail",
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)
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def get_cached_remote_media(self, origin, media_id):
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return self._simple_select_one(
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"remote_media_cache",
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{"media_origin": origin, "media_id": media_id},
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(
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"media_type", "media_length", "upload_name", "created_ts",
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"filesystem_id", "quarantined_by",
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),
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allow_none=True,
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desc="get_cached_remote_media",
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)
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def store_cached_remote_media(self, origin, media_id, media_type,
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media_length, time_now_ms, upload_name,
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filesystem_id):
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return self._simple_insert(
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"remote_media_cache",
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{
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"media_origin": origin,
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"media_id": media_id,
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"media_type": media_type,
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"media_length": media_length,
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"created_ts": time_now_ms,
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"upload_name": upload_name,
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"filesystem_id": filesystem_id,
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"last_access_ts": time_now_ms,
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},
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desc="store_cached_remote_media",
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)
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def update_cached_last_access_time(self, origin_id_tuples, time_ts):
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def update_cache_txn(txn):
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sql = (
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"UPDATE remote_media_cache SET last_access_ts = ?"
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" WHERE media_origin = ? AND media_id = ?"
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)
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txn.executemany(sql, (
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(time_ts, media_origin, media_id)
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for media_origin, media_id in origin_id_tuples
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))
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return self.runInteraction("update_cached_last_access_time", update_cache_txn)
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def get_remote_media_thumbnails(self, origin, media_id):
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return self._simple_select_list(
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"remote_media_cache_thumbnails",
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{"media_origin": origin, "media_id": media_id},
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(
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"thumbnail_width", "thumbnail_height", "thumbnail_method",
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"thumbnail_type", "thumbnail_length", "filesystem_id",
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),
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desc="get_remote_media_thumbnails",
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)
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def store_remote_media_thumbnail(self, origin, media_id, filesystem_id,
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thumbnail_width, thumbnail_height,
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thumbnail_type, thumbnail_method,
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thumbnail_length):
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return self._simple_insert(
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"remote_media_cache_thumbnails",
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{
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"media_origin": origin,
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"media_id": media_id,
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"thumbnail_width": thumbnail_width,
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"thumbnail_height": thumbnail_height,
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"thumbnail_method": thumbnail_method,
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"thumbnail_type": thumbnail_type,
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"thumbnail_length": thumbnail_length,
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"filesystem_id": filesystem_id,
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},
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desc="store_remote_media_thumbnail",
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)
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def get_remote_media_before(self, before_ts):
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sql = (
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"SELECT media_origin, media_id, filesystem_id"
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" FROM remote_media_cache"
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" WHERE last_access_ts < ?"
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)
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return self._execute(
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"get_remote_media_before", self.cursor_to_dict, sql, before_ts
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)
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def delete_remote_media(self, media_origin, media_id):
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def delete_remote_media_txn(txn):
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self._simple_delete_txn(
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txn,
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"remote_media_cache",
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keyvalues={
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"media_origin": media_origin, "media_id": media_id
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},
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)
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self._simple_delete_txn(
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txn,
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"remote_media_cache_thumbnails",
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keyvalues={
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"media_origin": media_origin, "media_id": media_id
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},
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)
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return self.runInteraction("delete_remote_media", delete_remote_media_txn)
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def get_expired_url_cache(self, now_ts):
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sql = (
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"SELECT media_id FROM local_media_repository_url_cache"
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" WHERE expires_ts < ?"
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" ORDER BY expires_ts ASC"
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" LIMIT 500"
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)
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def _get_expired_url_cache_txn(txn):
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txn.execute(sql, (now_ts,))
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return [row[0] for row in txn]
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return self.runInteraction("get_expired_url_cache", _get_expired_url_cache_txn)
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def delete_url_cache(self, media_ids):
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if len(media_ids) == 0:
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return
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sql = (
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"DELETE FROM local_media_repository_url_cache"
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" WHERE media_id = ?"
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)
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def _delete_url_cache_txn(txn):
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txn.executemany(sql, [(media_id,) for media_id in media_ids])
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return self.runInteraction("delete_url_cache", _delete_url_cache_txn)
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def get_url_cache_media_before(self, before_ts):
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sql = (
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"SELECT media_id FROM local_media_repository"
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" WHERE created_ts < ? AND url_cache IS NOT NULL"
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" ORDER BY created_ts ASC"
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" LIMIT 500"
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)
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def _get_url_cache_media_before_txn(txn):
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txn.execute(sql, (before_ts,))
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return [row[0] for row in txn]
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return self.runInteraction(
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"get_url_cache_media_before", _get_url_cache_media_before_txn,
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)
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def delete_url_cache_media(self, media_ids):
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if len(media_ids) == 0:
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return
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def _delete_url_cache_media_txn(txn):
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sql = (
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"DELETE FROM local_media_repository"
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" WHERE media_id = ?"
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)
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txn.executemany(sql, [(media_id,) for media_id in media_ids])
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sql = (
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"DELETE FROM local_media_repository_thumbnails"
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" WHERE media_id = ?"
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)
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txn.executemany(sql, [(media_id,) for media_id in media_ids])
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return self.runInteraction(
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"delete_url_cache_media", _delete_url_cache_media_txn,
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)
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