signal-desktop/ts/messageModifiers/generateCacheKey.ts

24 lines
765 B
TypeScript

// Copyright 2016 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import type { MessageReceiptType } from './MessageReceipts';
// This function is necessary because the only thing we can guarantee will be unique is
// three pieces of data: sender, deviceId, and timestamp.
// Because we don't care which device interacted with our message, we collapse this down
// to: sender + timestamp.
// In some cases, modifiers are stored in the same map, so we also add the modifier type
type ModifierType = MessageReceiptType | 'readsync' | 'viewsync';
export function generateCacheKey({
sender,
timestamp,
type,
}: {
sender: string;
timestamp: number;
type: ModifierType;
}): string {
return `cacheKey-${sender}-${timestamp}-${type}`;
}