Add role to user query

client/src/components/FilterBar.vue

@@ -1,7 +1,6 @@
 <template>
-  <div class="filter-bar">
-
-    <radiobutton v-if="showEverythingRadioButton" label="Alles" :checked="!currentFilter" v-on:input="updateFilter(false)"></radiobutton>
+  <div class="filter-bar" v-if="isTeacher">
+    <radiobutton label="Alles" :checked="!currentFilter" v-on:input="updateFilter(false)"></radiobutton>
     <radiobutton
       v-for="schoolClass in schoolClasses"
       :key="schoolClass.id"
@@ -23,12 +22,6 @@
       Radiobutton
     },
 
-    beforeUpdate() {
-      if (!this.showEverythingRadioButton && !this.currentFilter) {
-        this.updateFilter(this.schoolClasses && this.schoolClasses.length > 0 ? this.schoolClasses[0].id : null);
-      }
-    },
-
     apollo: {
       me: {
         query: ME_QUERY
@@ -50,9 +43,9 @@
       schoolClasses() {
         return this.$getRidOfEdges(this.me.schoolClasses);
       },
-      showEverythingRadioButton() {
-        return this.me.permissions.includes('user.can_edit_modules');
-      },
+      isTeacher() {
+        return this.me.role === 'teacher';
+      }
     },
 
     methods: {

client/src/graphql/gql/fragments/userParts.gql

@@ -7,6 +7,7 @@ fragment UserParts on UserNode {
   firstName
   lastName
   avatar
+  role
   schoolClasses {
     edges {
       node {