Refactor last topic route

client/src/components/book-navigation/ContentNavigation.vue

@@ -90,20 +90,6 @@
       Logo
     },
 
-    computed: {
-      topicRoute() {
-        if (this.me.lastTopic && this.me.lastTopic.slug) {
-          return {
-            name: 'topic',
-            params: {
-              topicSlug: this.me.lastTopic.slug
-            }
-          }
-        }
-        return '/book/topic/berufliche-grundbildung'
-      }
-    },
-
     methods: {
       isActive(linkName) {
         return linkName === 'book' && this.$route.path.indexOf('module') > -1;

client/src/mixins/me.js

@@ -15,6 +15,20 @@ export default {
     }
   },
 
+   computed: {
+      topicRoute() {
+        if (this.me.lastTopic && this.me.lastTopic.slug) {
+          return {
+            name: 'topic',
+            params: {
+              topicSlug: this.me.lastTopic.slug
+            }
+          }
+        }
+        return '/book/topic/berufliche-grundbildung'
+      }
+    },
+
   apollo: {
     me: {
       query: ME_QUERY,