Convert message schema migrator to TypeScript

js/modules/messages_data_migrator.js

@@ -1,88 +0,0 @@
-// Copyright 2018-2020 Signal Messenger, LLC
-// SPDX-License-Identifier: AGPL-3.0-only
-
-// Ensures that messages in database are at the right schema.
-
-/* global window */
-
-const { isFunction, isNumber } = require('lodash');
-
-const Message = require('./types/message');
-
-exports.processNext = async ({
-  BackboneMessageCollection,
-  numMessagesPerBatch,
-  upgradeMessageSchema,
-  getMessagesNeedingUpgrade,
-  saveMessage,
-  maxVersion = Message.CURRENT_SCHEMA_VERSION,
-} = {}) => {
-  if (!isFunction(BackboneMessageCollection)) {
-    throw new TypeError(
-      "'BackboneMessageCollection' (Whisper.MessageCollection)" +
-        ' constructor is required'
-    );
-  }
-
-  if (!isNumber(numMessagesPerBatch)) {
-    throw new TypeError("'numMessagesPerBatch' is required");
-  }
-
-  if (!isFunction(upgradeMessageSchema)) {
-    throw new TypeError("'upgradeMessageSchema' is required");
-  }
-
-  const startTime = Date.now();
-
-  const fetchStartTime = Date.now();
-  let messagesRequiringSchemaUpgrade;
-  try {
-    messagesRequiringSchemaUpgrade = await getMessagesNeedingUpgrade(
-      numMessagesPerBatch,
-      {
-        maxVersion,
-        MessageCollection: BackboneMessageCollection,
-      }
-    );
-  } catch (error) {
-    window.SignalContext.log.error(
-      'processNext error:',
-      error && error.stack ? error.stack : error
-    );
-    return {
-      done: true,
-      numProcessed: 0,
-    };
-  }
-  const fetchDuration = Date.now() - fetchStartTime;
-
-  const upgradeStartTime = Date.now();
-  const upgradedMessages = await Promise.all(
-    messagesRequiringSchemaUpgrade.map(message =>
-      upgradeMessageSchema(message, { maxVersion })
-    )
-  );
-  const upgradeDuration = Date.now() - upgradeStartTime;
-
-  const saveStartTime = Date.now();
-  await Promise.all(
-    upgradedMessages.map(message =>
-      saveMessage(message, {
-        ourUuid: window.textsecure.storage.user.getCheckedUuid().toString(),
-      })
-    )
-  );
-  const saveDuration = Date.now() - saveStartTime;
-
-  const totalDuration = Date.now() - startTime;
-  const numProcessed = messagesRequiringSchemaUpgrade.length;
-  const done = numProcessed < numMessagesPerBatch;
-  return {
-    done,
-    numProcessed,
-    fetchDuration,
-    upgradeDuration,
-    saveDuration,
-    totalDuration,
-  };
-};

js/modules/signal.js

@@ -129,9 +129,6 @@ const { QualifiedAddress } = require('../../ts/types/QualifiedAddress');
 // Views
 const Initialization = require('./views/initialization');
 
-// Workflow
-const MessageDataMigrator = require('./messages_data_migrator');
-
 // Processes / Services
 const {
   initializeGroupCredentialFetcher,
@@ -412,10 +409,6 @@ exports.setup = (options = {}) => {
     Initialization,
   };
 
-  const Workflow = {
-    MessageDataMigrator,
-  };
-
   return {
     Backbone,
     Components,
@@ -436,6 +429,5 @@ exports.setup = (options = {}) => {
     Types,
     Util,
     Views,
-    Workflow,
   };
 };