버그 수정

분류작업이 temp.json파일생성보다 먼저 시행되도록 수정

@@ -39,7 +39,7 @@ app.get(['/food', '/food/:id'], function(req, res) {
 //사용자가 호출한 search page
 app.post('/food/search', function(req, res) {
   var title = req.body.title;
-  res.render('map.ejs',{
+  res.render('map.ejs', {
     title: 'Search',
     searching: title
   });
@@ -60,42 +60,48 @@ app.post('/food/recommendation', function(req, res) {
       var list = {
         food: []
       };
-      for (var foods in users) {
-        if ((!price || users[foods]['price'] == price) && (!shape || users[foods]['shape'] == shape) && (!kinds || users[foods]['kinds'] == kinds)) {
-          list.food.push(foods);
+
+      function add(users, price, shape, kinds, list, callback) {
+        for (var foods in users) {
+          if ((!price || users[foods]['price'] == price) && (!shape || users[foods]['shape'] == shape) && (!kinds || users[foods]['kinds'] == kinds)) {
+            list.food.push(foods);
+          }
+          // $('<li>').text(foods).appendTo('#users');
         }
-        // $('<li>').text(foods).appendTo('#users');
+        callback(list);
       }
 
-      fs.writeFile('data/temp.json', JSON.stringify(list), "utf8", function(err) {
-        if (err) {
-          console.log(err);
-          res.status(500).send('Internal Server Error');
-        } else {
+      add(users, price, shape, kinds, list, function(list) {
+        fs.writeFile('data/temp.json', JSON.stringify(list), "utf8", function(err) {
+          if (err) {
+            console.log(err);
+            res.status(500).send('Internal Server Error');
+          } else {
 
-          fs.readFile('data/temp.json', 'utf8', function(err, data) {
-            if (err) {
-              console.log((err));
-              res.status(500).send('Internal Server Error');
-            } else {
-              var food = JSON.parse(data)['food'];
-              var length = food.length;
-              var rand = Math.floor(Math.random() * length); //(Math.random() * (max - min)) + min
-              var food_value = food[rand];
-              console.log(rand);
-              res.render('print.ejs', {
-                title: 'Recommendation',
-                description: 'We recommend this...',
-                randvalue: food_value
-              });//rander closed
-            }
-          });//readFile closed
-        }
-      });//writeFile closed
+            fs.readFile('data/temp.json', 'utf8', function(err, data) {
+              if (err) {
+                console.log((err));
+                res.status(500).send('Internal Server Error');
+              } else {
+                var food = JSON.parse(data)['food'];
+                var length = food.length;
+                var rand = Math.floor(Math.random() * length); //(Math.random() * (max - min)) + min
+                var food_value = food[rand];
+                console.log(rand);
+                res.render('print.ejs', {
+                  title: 'Recommendation',
+                  description: 'We recommend this...',
+                  randvalue: food_value
+                }); //rander closed
+              }
+            }); //readFile closed
+          }
+        }); //writeFile closed
+      });//add closed
 
     }
-  });//readFile closed
-});//post closed
+  }); //readFile closed
+}); //post closed