From ea49a64261fd60d4d4fb3d96be688bd4824f9088 Mon Sep 17 00:00:00 2001
From: snwolak <snwolak@outlook.com>
Date: Fri, 8 Feb 2019 18:35:21 +0100
Subject: [PATCH] add following function

---
 functions/follow.js | 50 +++++++++++++++++++++++++++++++++++++++++++++
 functions/index.js  |  6 +++++-
 2 files changed, 55 insertions(+), 1 deletion(-)
 create mode 100644 functions/follow.js

diff --git a/functions/follow.js b/functions/follow.js
new file mode 100644
index 0000000..e1fb1b8
--- /dev/null
+++ b/functions/follow.js
@@ -0,0 +1,50 @@
+const defaultApp = require('./defaultApp')
+const db = defaultApp.app.firestore();
+const app = (data, context) => {
+  //Adding or removing follow
+  console.log(data)
+  const docRef = db.collection('users').doc(data.username)
+  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.action === "unfollow") {
+      //removing follow
+      return docRef.get().then(res => res.data()).then(res => {
+        const filtered = res.following.filter(obj => {
+          return obj.username !== data.usernameToFollow
+        })
+        const following = res.following !== undefined ? filtered : []
+        return docRef.update({following: following})
+      }).catch(err => console.log(err))
+    } else if(data.action === "follow") {
+      //adding a follow
+      const user = [
+        { 
+          timestamp: Date.now(),
+          id: data.id,
+          username: data.usernameToFollow,
+          platform: data.platform,
+        }
+      ]
+      return docRef.get().then(res => res.data()).then(res => {
+        const find = res.following.find(obj => obj.username === data.usernameToFollow)
+        if(find) {
+          return void 0
+        }
+        const following = res.following !== undefined ? user.concat(res.following) : vote
+        return docRef.update({following: following})
+      }).catch(err => console.log(err))
+    }  
+  }
+  
+};
+module.exports = {
+  app
+}
diff --git a/functions/index.js b/functions/index.js
index ee17707..0e040d7 100644
--- a/functions/index.js
+++ b/functions/index.js
@@ -8,6 +8,8 @@ const createProfileSteem = require('./createProfileSteem')
 const saveComment = require('./saveComment')
 const editTheme = require('./editTheme')
 const upvotePost = require('./upvotePost')
+const follow = require('./follow')
+const upvoteSteemPost = require('./upvoteSteemPost')
 
 exports.reciveToken = functions.https.onRequest(reciveToken.app);
 exports.deletePost = functions.https.onRequest(deletePost.app);
@@ -15,4 +17,6 @@ exports.createProfile = functions.https.onCall(createProfile.app);
 exports.createProfileSteem = functions.https.onCall(createProfileSteem.app);
 exports.saveComment = functions.https.onCall(saveComment.app)
 exports.editTheme = functions.https.onCall(editTheme.app)
-exports.upvotePost = functions.https.onCall(upvotePost.app)
\ No newline at end of file
+exports.upvotePost = functions.https.onCall(upvotePost.app)
+exports.follow = functions.https.onCall(follow.app)
+exports.upvoteSteemPost = functions.https.onCall(upvoteSteemPost.app)
\ No newline at end of file