exclude option

api.js

@@ -59,8 +59,9 @@ app.use(function(req, res, next) {
 app.use(router);
 app.use(App.static('public'))
 app.use(function(req, res, next) {
-  req.end('Nope');
-})
+
+  res.end('Nope');
+});
 try{
   app.listen( APP_PORT );
 }catch(e){

src/api/generateRandom.js

@@ -55,7 +55,8 @@ module.exports = {
       seed: {required: false, description: 'initialize random state. Make response determined', type: String},
       photo: {required: false, description: 'question with photo', type: Boolean},
       type: {required: false, description: '1 - products, 2 - standards', type: Number},
-      nolog: {required: false, description: 'remove human readable log', type: Boolean}
+      nolog: {required: false, description: 'remove human readable log', type: Boolean},
+      exclude: {required: false, description: 'remove human readable log', type: Array}
     },
     fn: async function(args) {
       let seed = args.seed || Math.random().toString(36).substr(2);
@@ -63,7 +64,7 @@ module.exports = {
 
       let multiple = seeded() > 24 / ( 46 + 24 ),
           photo = seeded() > 0.7,
-          result;
+          result, attempts = 0;
 
       while(!result){
         if( ( args.type !== void 0 ? args.type === 2 : seeded() > 0.5 ) ){
@@ -71,6 +72,14 @@ module.exports = {
         }else{
           result = ctx.quizGenerator( multiple ? 'checkbox' : 'radio', args.photo !== void 0 ? args.photo : photo );
         }
+        if(result && args.exclude){
+          if(args.exclude.filter((a)=>a.categoryId === result.categoryId && a.productId === result.productId).length){
+            attempts++;
+            if(attempts < 20){
+              result = false;
+            }
+          }
+        }
       }
 
       console.log(`cat: ${result.categoryId}, prod: ${result.productId}, seed: ${seed}. ${result.question.substr(0,33)}`);

src/apiMappers.js

@@ -25,6 +25,17 @@ const mappers = {
       throw new Error( '`' + t + '` is not a number' )
     }
     return t;
+  },
+  Array: (t)=>{
+    try{
+      let res = JSON.parse(t);
+      if(!Array.isArray(res))
+        throw new Error('`'+t+'` is not an Array')
+      return res;
+    }catch( e ){
+      throw new Error( '`' + t + '` is not an Array' )
+
+    }
   }
 
 };
@@ -138,7 +149,11 @@ ${opt.required?'<span class="api-option-required">Required</span>': '<span class
         let timeout = setTimeout(()=>{
           res.status(408);
           res.end('{"error": true, "data": "Timeout"}');
-          res.connection.destroy();
+          try{
+            res.connection.destroy();
+          }catch(e){
+
+          }
         }, 10000);
         try{
           args = parseArgs( req, res, api.options );