Updates to backup infrastructure

app/sql.js

@@ -19,6 +19,7 @@ module.exports = {
   createOrUpdateGroup,
   getGroupById,
   getAllGroupIds,
+  getAllGroups,
   bulkAddGroups,
   removeGroupById,
   removeAllGroups,
@@ -567,6 +568,10 @@ async function getAllGroupIds() {
   const rows = await db.all('SELECT id FROM groups ORDER BY id ASC;');
   return map(rows, row => row.id);
 }
+async function getAllGroups() {
+  const rows = await db.all('SELECT id FROM groups ORDER BY id ASC;');
+  return map(rows, row => jsonToObject(row.json));
+}
 async function bulkAddGroups(array) {
   return bulkAdd(GROUPS_TABLE, array);
 }