signal-desktop/ts/services/storyLoader.ts
2022-09-21 17:54:48 -06:00

110 lines
3 KiB
TypeScript

// Copyright 2022 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { pick } from 'lodash';
import type { MessageAttributesType } from '../model-types.d';
import type { StoryDataType } from '../state/ducks/stories';
import * as durations from '../util/durations';
import * as log from '../logging/log';
import dataInterface from '../sql/Client';
import { getAttachmentsForMessage } from '../state/selectors/message';
import { isNotNil } from '../util/isNotNil';
import { strictAssert } from '../util/assert';
import { dropNull } from '../util/dropNull';
let storyData: Array<MessageAttributesType> | undefined;
export async function loadStories(): Promise<void> {
storyData = await dataInterface.getOlderStories({});
await repairUnexpiredStories();
}
export function getStoryDataFromMessageAttributes(
message: MessageAttributesType
): StoryDataType | undefined {
const { attachments, deletedForEveryone } = message;
const unresolvedAttachment = attachments ? attachments[0] : undefined;
if (!unresolvedAttachment && !deletedForEveryone) {
log.warn(
`getStoryDataFromMessageAttributes: ${message.id} does not have an attachment`
);
return;
}
const [attachment] =
unresolvedAttachment && unresolvedAttachment.path
? getAttachmentsForMessage(message)
: [unresolvedAttachment];
return {
attachment,
messageId: message.id,
...pick(message, [
'canReplyToStory',
'conversationId',
'deletedForEveryone',
'reactions',
'readAt',
'readStatus',
'sendStateByConversationId',
'source',
'sourceUuid',
'storyDistributionListId',
'timestamp',
'type',
]),
expireTimer: message.expireTimer,
expirationStartTimestamp: dropNull(message.expirationStartTimestamp),
};
}
export function getStoriesForRedux(): Array<StoryDataType> {
strictAssert(storyData, 'storyData has not been loaded');
const stories = storyData
.map(getStoryDataFromMessageAttributes)
.filter(isNotNil);
storyData = undefined;
return stories;
}
async function repairUnexpiredStories(): Promise<void> {
strictAssert(storyData, 'Could not load stories');
const DAY_AS_SECONDS = durations.DAY / 1000;
const storiesWithExpiry = storyData
.filter(
story =>
!story.expirationStartTimestamp ||
!story.expireTimer ||
story.expireTimer > DAY_AS_SECONDS
)
.map(story => ({
...story,
expirationStartTimestamp: Math.min(story.timestamp, Date.now()),
expireTimer: Math.min(
Math.floor((story.timestamp + durations.DAY - Date.now()) / 1000),
DAY_AS_SECONDS
),
}));
if (!storiesWithExpiry.length) {
return;
}
log.info(
'repairUnexpiredStories: repairing number of stories',
storiesWithExpiry.length
);
await Promise.all(
storiesWithExpiry.map(messageAttributes => {
return window.Signal.Data.saveMessage(messageAttributes, {
ourUuid: window.textsecure.storage.user.getCheckedUuid().toString(),
});
})
);
}