create lists via admin

twitter/lists/admin.py

@@ -1,5 +1,52 @@
+from django import forms
 from django.contrib import admin
+from django.conf import settings
+from twitter.api import AppClient
 from twitter.lists.models import List
+from twitter.tokens.models import Token
+
+
+class ListForm(forms.ModelForm):
+    name = forms.CharField(required=False)
+    members = forms.CharField(required=False, widget=forms.Textarea)
+    mode = forms.ChoiceField(choices=(('public', 'public'), ('private', 'private')))
+
+    class Meta:
+        model = List
+
+    def save(self, **kwargs):
+        if self.members:
+            # create a new Twitter list
+            client = AppClient(
+                consumer_key=settings.CONSUMER_KEY,
+                consumer_secret=settings.CONSUMER_SECRET,
+            )
+            response = client.api.lists.create.post(
+                name=self.name,
+                mode=self.mode,
+            )
+            list_id = response.data['id']
+            while len(self.members) > 0:
+                members = self.members[:100]
+                del(self.members[:100])
+                response = client.api.lists.members.create_all.post(
+                    list_id=list_id,
+                    screen_name=members,
+                )
+        else:
+            # URL; fetch an existing Twitter list
+            owner_screen_name, slug = self.name.split('/')[-2:]
+            token = Token.objects.get_for_resource('/lists/show')
+            if token:
+                client = token.get_client()
+                response = client.api.lists.show(
+                    owner_screen_name=owner_screen_name,
+                    slug=slug,
+                )
+                List.objects.create(
+                    id=response.data['id'],
+                    data=response.data,
+                )
 
 
 @admin.register(List)

twitter/lists/migrations/0006_auto_20161017_0740.py

@@ -0,0 +1,20 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.2 on 2016-10-17 07:40
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('lists', '0005_auto_20161017_0618'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='list',
+            name='id',
+            field=models.BigIntegerField(primary_key=True, serialize=False),
+        ),
+    ]

twitter/lists/models.py

@@ -6,7 +6,7 @@
 
 
 class List(models.Model):
-    id = models.BigIntegerField(primary_key=True, blank=True)
+    id = models.BigIntegerField(primary_key=True)
     data = JSONField(blank=True, null=True)
     updated = models.DateTimeField(auto_now=True)