create chat app, add chat and message models with migration

config/settings.py

@@ -72,6 +72,7 @@
 
 LOCAL_APPS = (
     'django_aiohttp_websockets.users',
+    'django_aiohttp_websockets.chat',
 )
 
 INSTALLED_APPS = DJANGO_APPS + THIRD_PARTY_APPS + LOCAL_APPS

django_aiohttp_websockets/chat/admin.py

@@ -0,0 +1,13 @@
+from django.contrib import admin
+
+from django_aiohttp_websockets.chat.models import ChatMessage, ChatRoom
+
+
+@admin.register(ChatRoom)
+class ChatRoomAdmin(admin.ModelAdmin):
+    pass
+
+
+@admin.register(ChatMessage)
+class ChatMessageAdmin(admin.ModelAdmin):
+    pass

django_aiohttp_websockets/chat/apps.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class ChatConfig(AppConfig):
+    name = 'django_aiohttp_websockets.chat'

django_aiohttp_websockets/chat/migrations/0001_initial.py

@@ -0,0 +1,46 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.10.1 on 2016-12-17 17:32
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+import uuid
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ChatMessage',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('date_created', models.DateTimeField(auto_now_add=True, verbose_name='Created')),
+                ('text', models.TextField(verbose_name='Message')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='ChatRoom',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False, verbose_name='Room ID')),
+                ('date_created', models.DateTimeField(auto_now_add=True, verbose_name='Created')),
+                ('users', models.ManyToManyField(to=settings.AUTH_USER_MODEL, verbose_name='User')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='chatmessage',
+            name='room',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='messages', to='chat.ChatRoom', verbose_name='Chat room ID'),
+        ),
+        migrations.AddField(
+            model_name='chatmessage',
+            name='user',
+            field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL, verbose_name='User'),
+        ),
+    ]

django_aiohttp_websockets/chat/models.py

@@ -0,0 +1,24 @@
+import uuid
+
+from django.db import models
+from django.conf import settings
+from django.utils.translation import ugettext_lazy as _
+
+
+class ChatRoom(models.Model):
+    id = models.UUIDField(verbose_name=_('Room ID'), primary_key=True, default=uuid.uuid4, editable=False)
+    date_created = models.DateTimeField(verbose_name=_('Created'), auto_now_add=True)
+    users = models.ManyToManyField(settings.AUTH_USER_MODEL, verbose_name=_('User'))
+
+    def __str__(self):
+        return 'Room {}'.format(self.id)
+
+
+class ChatMessage(models.Model):
+    user = models.ForeignKey(settings.AUTH_USER_MODEL, verbose_name=_('User'))
+    room = models.ForeignKey('chat.ChatRoom', verbose_name=_('Chat room ID'), related_name='messages')
+    date_created = models.DateTimeField(verbose_name=_('Created'), auto_now_add=True)
+    text = models.TextField(verbose_name=_('Message'))
+
+    def __str__(self):
+        return 'Message from {}'.format(self.user)

django_aiohttp_websockets/chat/tests.py

@@ -0,0 +1,3 @@
+from django.test import TestCase
+
+# Create your tests here.

django_aiohttp_websockets/chat/views.py

@@ -0,0 +1,3 @@
+from django.shortcuts import render
+
+# Create your views here.