94 lines
2.3 KiB
JavaScript
94 lines
2.3 KiB
JavaScript
// Copyright 2018-2020 Signal Messenger, LLC
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// SPDX-License-Identifier: AGPL-3.0-only
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// Ensures that messages in database are at the right schema.
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/* global window */
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const { isFunction, isNumber } = require('lodash');
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const Message = require('./types/message');
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exports.processNext = async ({
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BackboneMessage,
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BackboneMessageCollection,
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numMessagesPerBatch,
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upgradeMessageSchema,
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getMessagesNeedingUpgrade,
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saveMessage,
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maxVersion = Message.CURRENT_SCHEMA_VERSION,
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} = {}) => {
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if (!isFunction(BackboneMessage)) {
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throw new TypeError(
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"'BackboneMessage' (Whisper.Message) constructor is required"
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);
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}
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if (!isFunction(BackboneMessageCollection)) {
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throw new TypeError(
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"'BackboneMessageCollection' (Whisper.MessageCollection)" +
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' constructor is required'
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);
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}
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if (!isNumber(numMessagesPerBatch)) {
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throw new TypeError("'numMessagesPerBatch' is required");
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}
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if (!isFunction(upgradeMessageSchema)) {
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throw new TypeError("'upgradeMessageSchema' is required");
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}
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const startTime = Date.now();
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const fetchStartTime = Date.now();
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let messagesRequiringSchemaUpgrade;
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try {
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messagesRequiringSchemaUpgrade = await getMessagesNeedingUpgrade(
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numMessagesPerBatch,
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{
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maxVersion,
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MessageCollection: BackboneMessageCollection,
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}
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);
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} catch (error) {
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window.log.error(
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'processNext error:',
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error && error.stack ? error.stack : error
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);
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return {
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done: true,
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numProcessed: 0,
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};
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}
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const fetchDuration = Date.now() - fetchStartTime;
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const upgradeStartTime = Date.now();
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const upgradedMessages = await Promise.all(
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messagesRequiringSchemaUpgrade.map(message =>
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upgradeMessageSchema(message, { maxVersion })
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)
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);
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const upgradeDuration = Date.now() - upgradeStartTime;
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const saveStartTime = Date.now();
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await Promise.all(
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upgradedMessages.map(message =>
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saveMessage(message, { Message: BackboneMessage })
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)
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);
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const saveDuration = Date.now() - saveStartTime;
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const totalDuration = Date.now() - startTime;
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const numProcessed = messagesRequiringSchemaUpgrade.length;
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const done = numProcessed < numMessagesPerBatch;
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return {
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done,
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numProcessed,
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fetchDuration,
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upgradeDuration,
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saveDuration,
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totalDuration,
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};
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};
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