Made upvote system submit data to the server.

background.js

@@ -41,6 +41,8 @@ chrome.runtime.onMessage.addListener(function (request, sender, callback) {
 
     //this allows the callback to be called later
     return true;
+  } else if (request.message == "submitVote") {
+    submitVote(request.type, request.UUID)
   }
 });
 
@@ -79,6 +81,19 @@ function addSponsorTime(time) {
   });
 }
 
+function submitVote(type, UUID) {
+  let xmlhttp = new XMLHttpRequest();
+
+  getUserID(function(userID) {
+    //publish this vote
+    console.log(serverAddress + "/api/voteOnSponsorTime?UUID=" + UUID + "&userID=" + userID + "&type=" + type);
+    xmlhttp.open('GET', serverAddress + "/api/voteOnSponsorTime?UUID=" + UUID + "&userID=" + userID + "&type=" + type, true);
+
+    //submit this vote
+    xmlhttp.send();
+  })
+}
+
 function submitTimes(videoID) {
   //get the video times from storage
   let sponsorTimeKey = 'sponsorTimes' + videoID;
@@ -130,6 +145,7 @@ function videoIDChange(currentVideoID) {
 function getUserID(callback) {
   if (userID != null) {
     callback(userID);
+    return;
   }
 
   //if it is not cached yet, grab it from storage

content.js

@@ -264,10 +264,12 @@ function openSkipNotice(){
   let upvoteButton = document.createElement("img");
   upvoteButton.className = "sponsorSkipObject voteButton";
   upvoteButton.src = chrome.extension.getURL("icons/upvote.png");
+  upvoteButton.addEventListener("click", upvote);
 
   let downvoteButton = document.createElement("img");
   downvoteButton.className = "sponsorSkipObject voteButton";
   downvoteButton.src = chrome.extension.getURL("icons/downvote.png");
+  downvoteButton.addEventListener("click", downvote);
 
   //add thumbs up and down buttons to the container
   voteButtonsContainer.appendChild(upvoteButton);
@@ -311,6 +313,22 @@ function openSkipNotice(){
   referenceNode.prepend(noticeElement);
 }
 
+function upvote() {
+  vote(1);
+}
+
+function downvote() {
+  vote(0);
+}
+
+function vote(type) {
+  chrome.runtime.sendMessage({
+    message: "submitVote",
+    type: type,
+    UUID: lastSponsorTimeSkippedUUID
+  });
+}
+
 //Closes the notice that tells the user that a sponsor was just skipped
 function closeSkipNotice(){
   let notice = document.getElementById("sponsorSkipNotice");