sync fixes etc., push/pull sync is now working in basic form

app.js

@@ -48,7 +48,7 @@ app.use((req, res, next) => {
     next();
 });
 
-app.use(bodyParser.json());
+app.use(bodyParser.json({limit: '50mb'}));
 app.use(bodyParser.urlencoded({extended: false}));
 app.use(cookieParser());
 app.use(express.static(path.join(__dirname, 'public')));

routes/api/audit.js

@@ -10,11 +10,14 @@ router.get('/:full_load_time', auth.checkApiAuth, async (req, res, next) => {
 
     const browserId = req.get('x-browser-id');
 
-    const count = await sql.getSingleResult("SELECT COUNT(*) AS 'count' FROM audit_log WHERE browser_id != ? " +
+    const row = await sql.getSingleResult("SELECT COUNT(*) AS 'count' FROM audit_log WHERE (browser_id IS NULL OR browser_id != ?) " +
-        "AND date_modified >= ?", [browserId, fullLoadTime])['count'];
+        "AND date_modified >= ?", [browserId, fullLoadTime]);
+
+    console.log("SELECT COUNT(*) AS 'count' FROM audit_log WHERE (browser_id IS NULL OR browser_id != ?) " +
+        "AND date_modified >= ?");
 
     res.send({
-        'changed': count > 0
+        'changed': row.count > 0
     });
 });
 

services/audit_category.js

@@ -9,5 +9,6 @@ module.exports = {
     CHANGE_PARENT: 'PARENT',
     ENCRYPTION: 'ENCRYPTION',
     CHANGE_PASSWORD: 'PASSWORD',
-    SETTINGS: 'SETTINGS'
+    SETTINGS: 'SETTINGS',
+    SYNC: 'SYNC'
 };

services/backup.js

@@ -6,6 +6,10 @@ const fs = require('fs-extra');
 const dataDir = require('./data_dir');
 const log = require('./log');
 
+if (!fs.existsSync(dataDir.BACKUP_DIR)) {
+    fs.mkdirSync(dataDir.BACKUP_DIR, 0o700);
+}
+
 async function regularBackup() {
     const now = utils.nowTimestamp();
     const last_backup_date = parseInt(await sql.getOption('last_backup_date'));
@@ -22,10 +26,6 @@ async function backupNow() {
 
     const date_str = new Date().toISOString().substr(0, 19);
 
-    if (!fs.existsSync(dataDir.BACKUP_DIR)) {
-        fs.mkdirSync(dataDir.BACKUP_DIR, 0o700);
-    }
-
     const backupFile = dataDir.BACKUP_DIR + "/" + "backup-" + date_str + ".db";
 
     fs.copySync(dataDir.DOCUMENT_PATH, backupFile);

services/sql.js

@@ -82,8 +82,10 @@ async function addAudit(category, req=null, noteId=null, changeFrom=null, change
     log.info("audit: " + category + ", browserId=" + browserId + ", noteId=" + noteId + ", from=" + changeFrom
         + ", to=" + changeTo + ", comment=" + comment);
 
-    await execute("INSERT INTO audit_log (date_modified, category, browser_id, note_id, change_from, change_to, comment)"
+    const id = utils.randomToken(14);
-           + " VALUES (?, ?, ?, ?, ?, ?, ?)", [now, category, browserId, noteId, changeFrom, changeTo, comment]);
+
+    await execute("INSERT INTO audit_log (id, date_modified, category, browser_id, note_id, change_from, change_to, comment)"
+           + " VALUES (?, ?, ?, ?, ?, ?, ?, ?)", [id, now, category, browserId, noteId, changeFrom, changeTo, comment]);
 }
 
 async function deleteRecentAudits(category, req, noteId) {

services/sync.js

@@ -5,8 +5,10 @@ const rp = require('request-promise');
 const sql = require('./sql');
 const migration = require('./migration');
 const utils = require('./utils');
+const config = require('./config');
+const audit_category = require('./audit_category');
 
-const SYNC_SERVER = 'http://localhost:3000';
+const SYNC_SERVER = config['Sync']['syncServerHost'];
 
 
 let syncInProgress = false;
@@ -81,7 +83,7 @@ async function pushSync() {
         });
     }
 
-    await sql.setOption('last_synced_pull', syncStarted);
+    await sql.setOption('last_synced_push', syncStarted);
 }
 
 async function sync() {
@@ -139,12 +141,16 @@ async function putChanged(changed) {
 
         log.info("Update/sync audit_log for noteId=" + audit.note_id);
     }
+
+    if (changed.tree.length > 0 || changed.audit_log.length > 0) {
+        await sql.addAudit(audit_category.SYNC);
+    }
 }
 
 async function putNote(note) {
     await sql.insert("notes", note.detail, true);
 
-    await sql.remove("images", node.detail.note_id);
+    await sql.remove("images", note.detail.note_id);
 
     for (const image of note.images) {
         await sql.insert("images", image);
@@ -156,13 +162,22 @@ async function putNote(note) {
         await sql.insert("notes_history", history);
     }
 
+    await sql.addAudit(audit_category.SYNC);
+
     log.info("Update/sync note " + note.detail.note_id);
 }
 
-setInterval(sync, 60000);
+if (SYNC_SERVER) {
+    log.info("Setting up sync");
 
-// kickoff initial sync immediately
+    setInterval(sync, 60000);
-setTimeout(sync, 1000);
+
+    // kickoff initial sync immediately
+    setTimeout(sync, 1000);
+}
+else {
+    log.info("Sync server not configured, sync timer not running.")
+}
 
 module.exports = {
     getChangedSince,