add group administration

passbook/core/forms/groups.py

@@ -0,0 +1,30 @@
+"""passbook Core Group forms"""
+from django import forms
+
+from passbook.core.models import Group, User
+
+
+class GroupForm(forms.ModelForm):
+    """Group Form"""
+
+    members = forms.ModelMultipleChoiceField(User.objects.all(), required=False)
+
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        if self.instance.pk:
+            self.initial['members'] = self.instance.user_set.values_list('pk', flat=True)
+
+    def save(self, *args, **kwargs):
+        instance = super().save(*args, **kwargs)
+        if instance.pk:
+            instance.user_set.clear()
+            instance.user_set.add(*self.cleaned_data['users'])
+        return instance
+
+    class Meta:
+
+        model = Group
+        fields = ['name', 'parent', 'members', 'tags']
+        widgets = {
+            'name': forms.TextInput(),
+        }

passbook/core/migrations/0017_auto_20190308_1417.py

@@ -0,0 +1,25 @@
+# Generated by Django 2.1.7 on 2019-03-08 14:17
+
+import django.contrib.postgres.fields.hstore
+from django.contrib.postgres.operations import HStoreExtension
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('passbook_core', '0016_auto_20190227_1355'),
+    ]
+
+    operations = [
+        migrations.RemoveField(
+            model_name='group',
+            name='extra_data',
+        ),
+        HStoreExtension(),
+        migrations.AddField(
+            model_name='group',
+            name='tags',
+            field=django.contrib.postgres.fields.hstore.HStoreField(default=dict),
+        ),
+    ]

passbook/core/models.py

@@ -8,7 +8,7 @@ from typing import Tuple, Union
 from uuid import uuid4
 
 from django.contrib.auth.models import AbstractUser
-from django.contrib.postgres.fields import ArrayField
+from django.contrib.postgres.fields import ArrayField, HStoreField
 from django.db import models
 from django.urls import reverse_lazy
 from django.utils.timezone import now
@@ -31,7 +31,7 @@ class Group(UUIDModel):
     name = models.CharField(_('name'), max_length=80)
     parent = models.ForeignKey('Group', blank=True, null=True,
                                on_delete=models.SET_NULL, related_name='children')
-    extra_data = models.TextField(blank=True)
+    tags = HStoreField(default=dict)
 
     def __str__(self):
         return "Group %s" % self.name

passbook/core/settings.py

@@ -60,6 +60,7 @@ INSTALLED_APPS = [
     'django.contrib.sessions',
     'django.contrib.messages',
     'django.contrib.staticfiles',
+    'django.contrib.postgres',
     'rest_framework',
     'drf_yasg',
     'raven.contrib.django.raven_compat',