Added handling on "No results" and not copy list images

background.js

@@ -13,8 +13,17 @@ chrome.declarativeContent.onPageChanged.removeRules(undefined, function() {
 });
 
 chrome.extension.onMessage.addListener(function(request,sender,sendResponse){
-  skus = request.idArray.split(',');
-  console.log(skus);
+  if(request.idArray) {
+    skus = request.idArray.split(',');
+    console.log(skus);
+  } else if(request.nothing == "true") {
+    console.log("Message : nothing ");
+    initial++;
+  } else if(request.noImage == "true") {
+    console.log("Message : noImages"); 
+    initial += 2;
+  }
+  console.log("Current index : ", initial);
 });
 
 chrome.downloads.onDeterminingFilename.addListener(function(item, suggest) {

contentScript.js

 var link = document.location.href;
 var logined = false;
+var a = [];
+var index = 0;
+var reducedLength;
 //If at login site, fill in login infos
 if (link.match(/login/g)){
     window.onload = function() {
@@ -16,29 +19,37 @@ if (link.match(/login/g)){
     });
 //If at asset page, automate scrollDown and fliter process
 } else if (link.match(/asset\?/g)) {
-    var index;
-    var a;
     //Get back the current sku's index from idArray
     chrome.storage.local.get('idArray', function (items) {
         a = items.idArray.split(',');
         var sku = document.location.href.match(/[0-9]{6}/g).toString();
         index = a.indexOf(sku);
+        reducedLength = a.length;
     });
+    console.log("Array : " ,a);
     window.onload = function() {
         var currentSku = document.location.href.match(/w=.*&/g);
         currentSku = currentSku.toString().replace(/(w=|&)/g,"");
         var el = document.querySelector(".jsx-334935779 .asset-list");
-        var count;
+        if(el.innerText.match("No Results")) {
+            console.log("Nothing to Download!! , index: " , index ," " , a);
+            window.open("https://digitallibrary-external.fastretailing.com/asset?t=datacategory%2Fasset&w="+ a[index+2] + "&r=north");
+            chrome.runtime.sendMessage({noImage : "true"});
+            return;
+        }
+        var count = 0;
         //Scroll down every 4 second, if 3 times no scroll change, download images
         var scroll = setInterval(function() {
             var currentScrollTop = el.scrollTop;
             el.scrollBy(0,5000);
             var scrolledTop = el.scrollTop;
+            console.log(scrolledTop - currentScrollTop);
             if(scrolledTop - currentScrollTop == 0) {
                 count +=1;
             } else {
                 count = 0;
             }
+            console.log("Count : " , count);
             if(count == 3)  {
                 clearInterval(scroll);    
                 var downloadlist = document.querySelectorAll(".panel-inner");
@@ -65,6 +76,12 @@ if (link.match(/login/g)){
                 }
                 });
                 downloadlist = document.querySelectorAll(".panel-inner .is-checked");
+                if(downloadlist.length == 0) {
+                    console.log("Nothing to Download!! , index: " , index ," " , a);
+                    window.open("https://digitallibrary-external.fastretailing.com/asset?t=datacategory%2Fasset&w="+ a[index+2] + "&r=north");
+                    chrome.runtime.sendMessage({noImage : "true"});
+                    return;
+                }
                 // To prevent file loss for duplicate images name in zip file, will download twice for one sku
                 // Duplicated files download at second file "sku(copy).zip"
                 var nameList = [];
@@ -84,12 +101,19 @@ if (link.match(/login/g)){
                 document.querySelector("#assets_btn_download_asset").click();
                 //After first list download, download second list 5s later
                 setTimeout(function(){
+                console.log("Second List : ", secondList);
+                if(secondList.length == 0) {
+                    console.log("Second List has nothing");
+                    chrome.runtime.sendMessage({nothing : "true"});
+                    reducedLength--;
+                    console.log("Reduced length : " , reducedLength);
+                }
                 secondList.forEach(function(a) {
                     a.click();
                     });
                     document.querySelector("#assets_btn_download_asset").click();
                     setTimeout(function(){
-                        if(index+2 != a.length)
+                        if(index+2 != reducedLength)
                         window.open("https://digitallibrary-external.fastretailing.com/asset?t=datacategory%2Fasset&w="+ a[index+2] + "&r=north");
                     },5000);
                 },5000);