Add solution visibility check to survey

client/src/graphql/gql/surveyQuery.gql

@@ -3,6 +3,9 @@ query SurveyQuery($id: ID!) {
     id
     title
     data
+    module {
+      id
+    }
     answer {
       data
     }

client/src/pages/survey.vue

@@ -3,7 +3,7 @@
     <h1 class="survey-page__title">{{title}}</h1>
     <survey :survey='survey'></survey>
 
-    <solution :value="solution"></solution>
+    <solution :value="solution" v-if="module.solutionsEnabled"></solution>
     <div v-if="surveyComplete">
       <a class="button button--primary" @click="reopen">Übung bearbeiten</a>
     </div>
@@ -15,6 +15,7 @@
   import {css} from '@/survey.config'
 
   import SURVEY_QUERY from '@/graphql/gql/surveyQuery.gql';
+  import MODULE_QUERY from '@/graphql/gql/moduleByIdQuery.gql';
   import UPDATE_ANSWER from '@/graphql/gql/mutations/updateAnswer.gql';
   import Solution from '@/components/content-blocks/Solution';
 
@@ -33,7 +34,8 @@
     data() {
       return {
         survey: this.initSurvey(),
-        title: ''
+        title: '',
+        module: {}
       }
     },
 
@@ -134,6 +136,14 @@
 
             this.survey = this.initSurvey(json, answer);
             this.title = json.title;
+            const module = data.survey.module;
+
+            this.$apollo.addSmartQuery('module', {
+              query: MODULE_QUERY,
+              variables: {
+                id: module.id
+              }
+            });
           }
         },
       }

server/books/models/module.py

@@ -58,4 +58,3 @@ class Module(StrictHierarchyPage):
 
     def get_child_ids(self):
         return self.get_children().values_list('id', flat=True)
-

server/books/schema/queries.py

@@ -120,7 +120,8 @@ class ModuleNode(DjangoObjectType):
         return self.get_parent().specific
 
     def resolve_solutions_enabled(self, info, **kwargs):
-        return self.solutions_enabled_by.filter(pk=info.context.user.pk).exists()
+        teacher = info.context.user.get_teacher()
+        return self.solutions_enabled_by.filter(pk=teacher.pk).exists() if teacher is not None else False
 
 
 class TopicNode(DjangoObjectType):
@@ -187,7 +188,7 @@ class FilteredChapterNode(DjangoObjectType):
 class BookQuery(object):
     book = relay.Node.Field(BookNode)
     topic = graphene.Field(TopicNode, slug=graphene.String())
-    module = graphene.Field(ModuleNode, slug=graphene.String())
+    module = graphene.Field(ModuleNode, slug=graphene.String(), id=graphene.ID())
     chapter = relay.Node.Field(FilteredChapterNode)
     content_block = relay.Node.Field(ContentBlockNode)