/q json response, searching with "" subj if there is no result

modules/qmining/qmining.js

@@ -248,32 +248,46 @@ app.route('/badtestsender').post(function (req, res, next) {
 
 app.post('/isAdding', function (req, res) {
   logger.LogReq(req)
+  // automatically saves to dataFile every n write
   let result = actions.ProcessIncomingRequest(req.body.datatoadd, data)
   res.json({
     success: result !== -1,
     newQuestions: result
   })
-  utils.WriteBackup() // TODO: write every n times / after n minutes
 })
 
 app.get('/q', function (req, res) {
   logger.LogReq(req)
   if (Object.keys(req.query).length === 0) {
-    res.send('ask something!')
+    res.json({
+      message: `ask something! ?q=[question]&subj=[subject]&data=[question data]. 'subj' is optimal for faster result`,
+      result: [],
+      recievedData: JSON.stringify(req.query),
+      success: false
+    })
   } else {
-    if (req.query.q) {
+    if (req.query.q && req.query.data) {
       let subj = req.query.subj || ''
+      let question = decodeURIComponent(req.query.q)
       let recData = {}
       try {
         recData = JSON.parse(req.query.data)
       } catch (e) {
-        console.log(e) // TODO: normal error logging
+        logger.Log(`Unable to parse recieved question data! '${req.query.data}'`, logger.GetColor('redbg'))
       }
-      let r = data.Search(decodeURIComponent(req.query.q), subj, recData)
+      let r = data.Search(question, subj, recData)
 
-      res.json(r)
+      res.json({
+        result: r,
+        success: true
+      })
     } else {
-      res.send('no key "q" in query' + JSON.stringify(req.query))
+      res.json({
+        message: `Invalid question :(`,
+        result: [],
+        recievedData: JSON.stringify(req.query),
+        success: false
+      })
     }
   }
 })