add timezone setting

route/api/system.js

@@ -461,6 +461,27 @@ router
             return n();
         });
     })
+    .post('/settimezone', (req,res,n) => {
+        if(!tool.checkPermission(req)) return n('ERR9000');
+        let arr = req.body;
+        if(!arr.data) return n('ERR0000');
+        if(!arr.data.timezone) return n('ERR0058');
+
+        let cmd = `timedatectl set-timezone ${arr.data.timezone}`;
+        exec(cmd, (err, stdout, stderr) => {
+            if(err) return rt.err(res,err, n, 'ERR0059');
+            
+            let query = "update ??.?? set `value` = ? where `type` = ?";
+            let param = [config.db.db1, 'system', arr.data.timezone, 'timezone'];
+            res.db.query(query, param, (err, row) => {
+                if(err ) return rt.err(res, err, n, 'ERR8002');
+                res.api_res = {
+                    record: []
+                }
+                n();
+            })
+        })
+    })
     .all('*', rt.send);
 
 module.exports = router;