server-ts: Port backup service

src/app.js

@@ -46,7 +46,7 @@ require('./routes/error_handlers.js').register(app);
 require('./services/sync.js');
 
 // triggers backup timer
-require('./services/backup.js');
+require('./services/backup');
 
 // trigger consistency checks timer
 require('./services/consistency_checks.js');

src/etapi/backup.js

@@ -1,5 +1,5 @@
 const eu = require('./etapi_utils');
-const backupService = require('../services/backup.js');
+const backupService = require('../services/backup');
 
 function register(router) {
     eu.route(router, 'put', '/etapi/backup/:backupName', async (req, res, next) => {

src/routes/api/database.js

@@ -2,7 +2,7 @@
 
 const sql = require('../../services/sql');
 const log = require('../../services/log');
-const backupService = require('../../services/backup.js');
+const backupService = require('../../services/backup');
 const anonymizationService = require('../../services/anonymization');
 const consistencyChecksService = require('../../services/consistency_checks.js');
 

src/routes/routes.js

@@ -69,7 +69,7 @@ const etapiBranchRoutes = require('../etapi/branches.js');
 const etapiNoteRoutes = require('../etapi/notes.js');
 const etapiSpecialNoteRoutes = require('../etapi/special_notes.js');
 const etapiSpecRoute = require('../etapi/spec.js');
-const etapiBackupRoute = require('../etapi/backup.js');
+const etapiBackupRoute = require('../etapi/backup');
 
 const csrfMiddleware = csurf({
     cookie: true,

src/services/backend_script_api.js

@@ -20,7 +20,7 @@ const specialNotesService = require('./special_notes.js');
 const branchService = require('./branches.js');
 const exportService = require('./export/zip.js');
 const syncMutex = require('./sync_mutex');
-const backupService = require('./backup.js');
+const backupService = require('./backup');
 const optionsService = require('./options');
 
 

src/services/backup.ts

@@ -1,14 +1,16 @@
 "use strict";
 
-const dateUtils = require('./date_utils');
+import dateUtils = require('./date_utils');
-const optionService = require('./options');
+import optionService = require('./options');
-const fs = require('fs-extra');
+import fs = require('fs-extra');
-const dataDir = require('./data_dir');
+import dataDir = require('./data_dir');
-const log = require('./log');
+import log = require('./log');
-const syncMutexService = require('./sync_mutex');
+import syncMutexService = require('./sync_mutex');
-const cls = require('./cls');
+import cls = require('./cls');
-const sql = require('./sql');
+import sql = require('./sql');
-const path = require('path');
+import path = require('path');
+
+type BackupType = ("daily" | "weekly" | "monthly");
 
 function getExistingBackups() {
     if (!fs.existsSync(dataDir.BACKUP_DIR)) {
@@ -35,13 +37,13 @@ function regularBackup() {
     });
 }
 
-function isBackupEnabled(backupType) {
+function isBackupEnabled(backupType: BackupType) {
     const optionName = `${backupType}BackupEnabled`;
 
     return optionService.getOptionBool(optionName);
 }
 
-function periodBackup(optionName, backupType, periodInSeconds) {
+function periodBackup(optionName: string, backupType: BackupType, periodInSeconds: number) {
     if (!isBackupEnabled(backupType)) {
         return;
     }
@@ -56,7 +58,7 @@ function periodBackup(optionName, backupType, periodInSeconds) {
     }
 }
 
-async function backupNow(name) {
+async function backupNow(name: string) {
     // we don't want to back up DB in the middle of sync with potentially inconsistent DB state
     return await syncMutexService.doExclusively(async () => {
         const backupFile = `${dataDir.BACKUP_DIR}/backup-${name}.db`;
@@ -73,7 +75,7 @@ if (!fs.existsSync(dataDir.BACKUP_DIR)) {
     fs.mkdirSync(dataDir.BACKUP_DIR, 0o700);
 }
 
-module.exports = {
+export = {
     getExistingBackups,
     backupNow,
     regularBackup

src/services/migration.js

@@ -1,4 +1,4 @@
-const backupService = require('./backup.js');
+const backupService = require('./backup');
 const sql = require('./sql');
 const fs = require('fs-extra');
 const log = require('./log');

src/services/sql_init.js

@@ -166,10 +166,10 @@ dbReady.then(() => {
         return;
     }
 
-    setInterval(() => require('./backup.js').regularBackup(), 4 * 60 * 60 * 1000);
+    setInterval(() => require('./backup').regularBackup(), 4 * 60 * 60 * 1000);
 
     // kickoff first backup soon after start up
-    setTimeout(() => require('./backup.js').regularBackup(), 5 * 60 * 1000);
+    setTimeout(() => require('./backup').regularBackup(), 5 * 60 * 1000);
 
     // optimize is usually inexpensive no-op, so running it semi-frequently is not a big deal
     setTimeout(() => optimize(), 60 * 60 * 1000);