fix price search, when max value is empty

@@ -143,10 +143,18 @@ const helpers = {
 
             if (!matchPrice && q.price) {
                 let prices = q.price.split(',');
+                let priceTxt = `¥${prices[0]}－¥${prices[1]}`;
 
-                filters.push(this.newFilter('price', q.price, `¥${prices[0]}－¥${prices[1]}`));
                 customPriceLow = prices[0];
                 customPriceHigh = prices[1];
+
+                if (prices[1] === Number.MAX_SAFE_INTEGER.toString()) {
+                    priceTxt = `大于¥${prices[0]}`;
+                    customPriceHigh = '';
+                }
+
+                filters.push(this.newFilter('price', q.price, priceTxt));
+
             }
         }
 

@@ -3,12 +3,22 @@
 const api = global.yoho.API;
 const _ = require('lodash');
 
-function clearEmptyVal(obj) {
+function _paramHanlde(obj) {
     _.keys(obj).forEach(k => {
         if (obj[k] === null || obj[k] === '') {
             _.unset(obj, k);
         }
     });
+
+    if (obj.price) {
+        let prices = obj.price.split(',');
+        
+        if (!prices[1]) {
+            prices[1] = Number.MAX_SAFE_INTEGER;
+            obj.price = prices.join(',');
+        }
+    }
+
     return obj;
 }
 
@@ -20,7 +30,7 @@ const Search = {
             limit: 45
         };
 
-        Object.assign(finalParams, clearEmptyVal(params));
+        Object.assign(finalParams, _paramHanlde(params));
 
         return api.get('', finalParams);
     },
@@ -30,7 +40,7 @@ const Search = {
             limit: 45
         };
 
-        Object.assign(finalParams, clearEmptyVal(params));
+        Object.assign(finalParams, _paramHanlde(params));
 
         return api.get('', finalParams);
     },
@@ -40,7 +50,7 @@ const Search = {
             limit: 45
         };
 
-        Object.assign(finalParams, clearEmptyVal(params));
+        Object.assign(finalParams, _paramHanlde(params));
 
         return api.get('', finalParams);
     },

@@ -117,7 +117,7 @@ var YohoListPage = {
         });
 
         $('.price-btns .confirm', this.rootDoc).click(function() {
-            var priceLow = $('.price-low', $(this).parent()).val() || '';
+            var priceLow = $('.price-low', $(this).parent()).val() || 0;
             var priceHigh = $('.price-high', $(this).parent()).val() || '';
 
             if (priceLow > 0 || priceHigh > 0) {