signal-desktop/ts/util/attachments/migrateDataToFilesystem.ts
2024-07-11 12:44:09 -07:00

47 lines
1.3 KiB
TypeScript

// Copyright 2023 Signal Messenger, LLC
// SPDX-License-Identifier: AGPL-3.0-only
import { isFunction, isTypedArray, isUndefined, omit } from 'lodash';
import type {
AttachmentType,
LocalAttachmentV2Type,
} from '../../types/Attachment';
import type { LoggerType } from '../../types/Logging';
export async function migrateDataToFileSystem(
attachment: AttachmentType,
{
writeNewAttachmentData,
logger,
}: {
writeNewAttachmentData: (
data: Uint8Array
) => Promise<LocalAttachmentV2Type>;
logger: LoggerType;
}
): Promise<AttachmentType> {
if (!isFunction(writeNewAttachmentData)) {
throw new TypeError("'writeNewAttachmentData' must be a function");
}
const { data } = attachment;
const attachmentHasData = !isUndefined(data);
const shouldSkipSchemaUpgrade = !attachmentHasData;
if (shouldSkipSchemaUpgrade) {
return attachment;
}
// This attachment was already broken by a roundtrip to the database - repair it now
if (!isTypedArray(data)) {
logger.warn(
'migrateDataToFileSystem: Attachment had non-array `data` field; deleting.'
);
return omit({ ...attachment }, ['data']);
}
const local = await writeNewAttachmentData(data);
const attachmentWithoutData = omit({ ...attachment, ...local }, ['data']);
return attachmentWithoutData;
}