From 788e40c84e278c6c6f4e2a9b53f3820d78c35b00 Mon Sep 17 00:00:00 2001
From: Daniel Lugo <danlugo92@gmail.com>
Date: Wed, 19 Feb 2020 00:15:57 -0400
Subject: [PATCH 1/2] move vars

---
 services/gunDB/Mediator/index.js | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/services/gunDB/Mediator/index.js b/services/gunDB/Mediator/index.js
index e25240c8..4f04a03e 100644
--- a/services/gunDB/Mediator/index.js
+++ b/services/gunDB/Mediator/index.js
@@ -296,6 +296,14 @@ const throwOnInvalidToken = async token => {
   }
 }
 
+const getGun = () => {
+  return gun
+}
+
+const getUser = () => {
+  return user
+}
+
 class Mediator {
   /**
    * @param {Readonly<SimpleSocket>} socket
@@ -1136,14 +1144,6 @@ const createMediator = socket => {
   return new Mediator(socket)
 }
 
-const getGun = () => {
-  return gun
-}
-
-const getUser = () => {
-  return user
-}
-
 module.exports = {
   authenticate,
   logoff,

From 1d9215c7f6db2a93e071aed10ad4f5a4e72306b0 Mon Sep 17 00:00:00 2001
From: Daniel Lugo <danlugo92@gmail.com>
Date: Wed, 19 Feb 2020 00:21:36 -0400
Subject: [PATCH 2/2] set last seen action

---
 services/gunDB/Mediator/index.js | 28 ++++++++++++++++++++++++++++
 utils/encryptionStore.js         |  7 ++++++-
 2 files changed, 34 insertions(+), 1 deletion(-)

diff --git a/services/gunDB/Mediator/index.js b/services/gunDB/Mediator/index.js
index 4f04a03e..561889ff 100644
--- a/services/gunDB/Mediator/index.js
+++ b/services/gunDB/Mediator/index.js
@@ -344,6 +344,34 @@ class Mediator {
     this.socket.on(Event.ON_SEED_BACKUP, this.onSeedBackup)
 
     this.socket.on(IS_GUN_AUTH, this.isGunAuth)
+
+    this.socket.on('SET_LAST_SEEN_APP', async body => {
+      try {
+        await throwOnInvalidToken(body.token)
+        await new Promise((res, rej) => {
+          getUser()
+            .get('lastSeenApp')
+            .put(Date.now(), ack => {
+              if (ack.err) {
+                rej(new Error(ack.err))
+              } else {
+                res()
+              }
+            })
+        })
+        this.socket.emit('SET_LAST_SEEN_APP', {
+          ok: true,
+          msg: null,
+          origBody: body
+        })
+      } catch (e) {
+        this.socket.emit('SET_LAST_SEEN_APP', {
+          ok: false,
+          msg: e.message,
+          origBody: body
+        })
+      }
+    })
   }
 
   /** @param {SimpleSocket} socket */
diff --git a/utils/encryptionStore.js b/utils/encryptionStore.js
index d00e93de..411508f8 100644
--- a/utils/encryptionStore.js
+++ b/utils/encryptionStore.js
@@ -6,7 +6,12 @@ const { Buffer } = require('buffer')
 const APIKeyPair = new Map()
 const authorizedDevices = new Map()
 
-const nonEncryptedEvents = ['ping', 'disconnect', 'IS_GUN_AUTH']
+const nonEncryptedEvents = [
+  'ping',
+  'disconnect',
+  'IS_GUN_AUTH',
+  'SET_LAST_SEEN_APP'
+]
 
 const Encryption = {
   isNonEncrypted: event => nonEncryptedEvents.includes(event),