we now remember past source ids so app restart won't change anything in sync operation

services/sync_table.js

@@ -0,0 +1,45 @@
+const sql = require('./sql');
+const source_id = require('./source_id');
+const utils = require('./utils');
+
+async function addNoteSync(noteId, sourceId) {
+    await addEntitySync("notes", noteId, sourceId)
+}
+
+async function addNoteTreeSync(noteId, sourceId) {
+    await addEntitySync("notes_tree", noteId, sourceId)
+}
+
+async function addNoteReorderingSync(noteId, sourceId) {
+    await addEntitySync("notes_reordering", noteId, sourceId)
+}
+
+async function addNoteHistorySync(noteHistoryId, sourceId) {
+    await addEntitySync("notes_history", noteHistoryId, sourceId);
+}
+
+async function addOptionsSync(optName, sourceId) {
+    await addEntitySync("options", optName, sourceId);
+}
+
+async function addRecentNoteSync(noteId, sourceId) {
+    await addEntitySync("recent_notes", noteId, sourceId);
+}
+
+async function addEntitySync(entityName, entityId, sourceId) {
+    await sql.replace("sync", {
+        entity_name: entityName,
+        entity_id: entityId,
+        sync_date: utils.nowTimestamp(),
+        source_id: sourceId || source_id.currentSourceId
+    });
+}
+
+module.exports = {
+    addNoteSync,
+    addNoteTreeSync,
+    addNoteReorderingSync,
+    addNoteHistorySync,
+    addOptionsSync,
+    addRecentNoteSync
+};