factor out setLastSeenApp()

services/gunDB/Mediator/index.js

@@ -441,23 +441,7 @@ class Mediator {
 
     this.socket.on(IS_GUN_AUTH, this.isGunAuth)
 
-    this.socket.on(Action.SET_LAST_SEEN_APP, async body => {
+    this.socket.on(Action.SET_LAST_SEEN_APP, this.setLastSeenApp)
-      try {
-        await throwOnInvalidToken(body.token)
-        await API.Actions.setLastSeenApp()
-        this.socket.emit(Action.SET_LAST_SEEN_APP, {
-          ok: true,
-          msg: null,
-          origBody: body
-        })
-      } catch (e) {
-        this.socket.emit(Action.SET_LAST_SEEN_APP, {
-          ok: false,
-          msg: e.message,
-          origBody: body
-        })
-      }
-    })
   }
 
   /** @param {SimpleSocket} socket */
@@ -543,6 +527,25 @@ class Mediator {
     }
   }
 
+  /** @param {{ token: string }} body */
+  setLastSeenApp = async body => {
+    try {
+      await throwOnInvalidToken(body.token)
+      await API.Actions.setLastSeenApp()
+      this.socket.emit(Action.SET_LAST_SEEN_APP, {
+        ok: true,
+        msg: null,
+        origBody: body
+      })
+    } catch (e) {
+      this.socket.emit(Action.SET_LAST_SEEN_APP, {
+        ok: false,
+        msg: e.message,
+        origBody: body
+      })
+    }
+  }
+
   isGunAuth = () => {
     try {
       const isGunAuth = isAuthenticated()