Quick vote file structure refactor

src/modules/api/api.js

@@ -195,7 +195,7 @@ function GetApp() {
 
     let voteData = {
       votes: {},
-      users: [],
+      sum: {},
     }
 
     if (utils.FileExists(voteFile)) {
@@ -204,32 +204,26 @@ function GetApp() {
       utils.CreatePath(quickVoteResultsDir)
     }
 
-    if (!voteData.users.includes(user.id)) {
-      if (voteData.votes[val]) {
-        voteData.votes[val]++
-      } else {
-        voteData.votes[val] = 1
-      }
-      voteData.users.push(user.id)
+    const prevVote = voteData.votes[user.id]
 
-      logger.Log(
-        `Vote from #${user.id}: ${key}: ${val}`,
-        logger.GetColor('blue')
-      )
-      res.render('votethank', {
-        result: 'success',
-        msg: 'vote added',
-      })
+    voteData.votes[user.id] = val
+    if (voteData.sum[val]) {
+      voteData.sum[val]++
     } else {
-      logger.Log(
-        `#${user.id} already voted for: ${key}: ${val}`,
-        logger.GetColor('blue')
-      )
-      res.render('votethank', {
-        result: 'already voted',
-        msg: 'already voted',
-      })
+      voteData.sum[val] = 1
     }
+    if (prevVote) {
+      if (voteData.sum[prevVote]) {
+        voteData.sum[prevVote] -= 1
+      }
+    }
+
+    logger.Log(`Vote from #${user.id}: ${key}: ${val}`, logger.GetColor('blue'))
+    res.render('votethank', {
+      result: prevVote ? 'already voted' : 'success',
+      prevVote: prevVote,
+      msg: 'vote added',
+    })
 
     utils.WriteFile(JSON.stringify(voteData), voteFile)
   })