add upvoting functions

functions/upvotePost.js

@@ -16,13 +16,12 @@ const app = (data, context) => {
   if(checkToken) {
     if(data.weight === 0) {
       //weight 0 means user is unvoting the post
-      docRef.get().then(res => res.data()).then(res => {
+      return docRef.get().then(res => res.data()).then(res => {
         const filtered = res.upvotes.filter(vote => {
           return vote.voter !== data.voter
         })
         const upvotes = res.upvotes !== undefined ? filtered : []
-        const actions = res.actions !== undefined ? res.actions - 1 : 0
-        return docRef.update({upvotes: upvotes, actions: actions})
+        return docRef.update({upvotes: upvotes})
       }).catch(err => console.log(err))
     } else if(data.weight > 0) {
       //upvoting the post
@@ -36,10 +35,13 @@ const app = (data, context) => {
           weight: data.weight
         }
       ]
-      docRef.get().then(res => res.data()).then(res => {
+      return docRef.get().then(res => res.data()).then(res => {
+        const find = res.upvotes.find(obj => obj.uid === data.uid)
+        if(find) {
+          return void 0
+        }
         const upvotes = res.upvotes !== undefined ? vote.concat(res.upvotes) : vote
-        const actions = res.actions !== undefined ? res.actions + 1 : 1
-        return docRef.update({upvotes: upvotes, actions: actions})
+        return docRef.update({upvotes: upvotes})
       }).catch(err => console.log(err))
     }  
   }

functions/upvoteSteemPost.js

@@ -0,0 +1,51 @@
+const defaultApp = require('./defaultApp')
+const db = defaultApp.app.firestore();
+const app = (data, context) => {
+  //Adding an upvote to the post.upvotes
+  console.log(data)
+  const docRef = db.collection('posts').doc(data.permlink)
+  const checkToken = defaultApp.app.auth().verifyIdToken(data.token)
+  .then((decodedToken) => {
+    const uid = decodedToken.uid;
+    if(uid === data.uid) {
+      return true
+    } else {
+      return false;
+    }
+  }).catch(err => console.log(err))
+  if(checkToken) {
+    if(data.weight === 0) {
+      //weight 0 means user is unvoting the post
+      return docRef.get().then(res => res.data()).then(res => {
+        const filtered = res.active_votes.filter(vote => {
+          return vote.voter !== data.voter
+        })
+        const votes = res.active_votes !== undefined ? filtered : []
+        return docRef.update({active_votes: votes})
+      }).catch(err => console.log(err))
+    } else if(data.weight > 0) {
+      //upvoting the post
+      const vote = [
+        { 
+          timestamp: new Date(),
+          id: data.id,
+          voter: data.voter,
+          uid: data.uid,
+          weight: data.weight
+        }
+      ]
+      return docRef.get().then(res => res.data()).then(res => {
+        const find = res.active_votes.find(obj => obj.uid === data.uid)
+        if(find) {
+          return void 0
+        }
+        const votes = res.active_votes !== undefined ? vote.concat(res.active_votes) : vote
+        return docRef.update({active_votes: votes})
+      }).catch(err => console.log(err))
+    }  
+  }
+
+};
+module.exports = {
+  app
+}