74 lines
2.2 KiB
TypeScript
74 lines
2.2 KiB
TypeScript
// Copyright 2023 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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import type { MessageAttributesType } from '../model-types.d';
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import type { MessageModel } from '../models/messages';
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import * as log from '../logging/log';
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import { isMoreRecentThan } from './timestamp';
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const MAX_ATTACHMENT_DOWNLOAD_AGE = 3600 * 72 * 1000;
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const MAX_ATTACHMENT_MSGS_TO_DOWNLOAD = 250;
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let isEnabled = true;
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let attachmentDownloadQueue: Array<MessageModel> | undefined = [];
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export function shouldUseAttachmentDownloadQueue(): boolean {
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return isEnabled;
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}
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export function addToAttachmentDownloadQueue(
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idLog: string,
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message: MessageModel
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): void {
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if (!attachmentDownloadQueue) {
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return;
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}
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attachmentDownloadQueue.unshift(message);
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log.info(
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`${idLog}: Adding to attachmentDownloadQueue`,
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message.get('sent_at')
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);
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}
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export async function flushAttachmentDownloadQueue(): Promise<void> {
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if (!attachmentDownloadQueue) {
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return;
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}
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// NOTE: ts/models/messages.ts expects this global to become undefined
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// once we stop processing the queue.
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isEnabled = false;
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const attachmentsToDownload = attachmentDownloadQueue.filter(
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(message, index) =>
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index <= MAX_ATTACHMENT_MSGS_TO_DOWNLOAD ||
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isMoreRecentThan(message.getReceivedAt(), MAX_ATTACHMENT_DOWNLOAD_AGE) ||
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// Stickers and long text attachments has to be downloaded for UI
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// to display the message properly.
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message.hasRequiredAttachmentDownloads()
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);
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log.info(
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'Downloading recent attachments of total attachments',
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attachmentsToDownload.length,
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attachmentDownloadQueue.length
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);
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const messagesWithDownloads = await Promise.all(
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attachmentsToDownload.map(message => message.queueAttachmentDownloads())
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);
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const messagesToSave: Array<MessageAttributesType> = [];
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messagesWithDownloads.forEach((shouldSave, messageKey) => {
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if (shouldSave) {
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const message = attachmentsToDownload[messageKey];
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messagesToSave.push(message.attributes);
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}
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});
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await window.Signal.Data.saveMessages(messagesToSave, {
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ourUuid: window.storage.user.getCheckedUuid().toString(),
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});
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attachmentDownloadQueue = undefined;
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}
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