Add related name to objective groups

client/src/components/modules/Module.vue

@@ -10,7 +10,7 @@
     </div>
 
     <h3 id="objectives">Lernziele</h3>
-    <objective-group v-for="group in module.objectivegroupSet" :key="group.id" :group="group"></objective-group>
+    <objective-group v-for="group in module.objectiveGroups" :key="group.id" :group="group"></objective-group>
 
     <chapter :chapter="chapter" v-for="chapter in module.chapters" :key="chapter.id"></chapter>
   </div>

client/src/graphql/gql/moduleDetailsQuery.gql

@@ -8,7 +8,7 @@ query ModulesQuery($slug: String!) {
         metaTitle
         teaser
         intro
-        objectivegroupSet {
+        objectiveGroups {
           edges {
             node {
               id

client/src/pages/module.vue

@@ -38,7 +38,7 @@
     data() {
       return {
         module: {
-          objectivegroupSet: {
+          objectiveGroups: {
             edges: {}
           },
           chapters: {

server/book/schema.py

@@ -43,7 +43,7 @@ class ModuleType(DjangoObjectType):
     class Meta:
         model = Module
         only_fields = [
-            'slug', 'title', 'meta_title', 'teaser', 'intro', 'objectivegroup_set'
+            'slug', 'title', 'meta_title', 'teaser', 'intro', 'objective_groups'
         ]
         filter_fields = {
             'slug': ['exact', 'icontains', 'in'],

server/objectives/migrations/0003_auto_20180827_1617.py

@@ -0,0 +1,19 @@
+# Generated by Django 2.0.6 on 2018-08-27 16:17
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('objectives', '0002_auto_20180823_1148'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='objectivegroup',
+            name='module',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='objective_groups', to='book.Module'),
+        ),
+    ]

server/objectives/models.py

@@ -11,7 +11,7 @@ class ObjectiveGroup(models.Model):
         verbose_name_plural = 'Lernziel Gruppen'
 
     title = models.CharField('title', blank=True, null=False, max_length=255)
-    module = models.ForeignKey(Module, blank=False, null=False, on_delete=models.CASCADE)
+    module = models.ForeignKey(Module, blank=False, null=False, on_delete=models.CASCADE, related_name='objective_groups')
     # a user can define her own objectives, hence this optional param
     user = models.ForeignKey(get_user_model(), blank=True, null=True, on_delete=models.CASCADE)