communications app

accounts/migrations/0001_initial.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Generated by Django 1.9.7 on 2016-06-12 15:10
+# Generated by Django 1.9.7 on 2016-06-12 21:41
 from __future__ import unicode_literals
 
 from django.conf import settings
@@ -14,8 +14,8 @@ class Migration(migrations.Migration):
     initial = True
 
     dependencies = [
-        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
         ('sites', '0002_alter_domain_unique'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
     ]
 
     operations = [
@@ -35,7 +35,7 @@ class Migration(migrations.Migration):
                 ('departure', models.DateTimeField(blank=True, null=True)),
                 ('transport', models.IntegerField(blank=True, choices=[(1, 'train'), (2, 'plane')], null=True)),
                 ('connector', models.IntegerField(blank=True, choices=[(1, 'VGA'), (2, 'HDMI'), (3, 'miniDP')], null=True)),
-                ('constraints', models.TextField()),
+                ('constraints', models.TextField(blank=True)),
                 ('site', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='sites.Site')),
                 ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
             ],

accounts/models.py

@@ -37,7 +37,7 @@ class Speaker(models.Model):
     departure = models.DateTimeField(blank=True, null=True)
     transport = models.IntegerField(choices=enum_to_choices(TRANSPORTS), blank=True, null=True)
     connector = models.IntegerField(choices=enum_to_choices(CONNECTORS), blank=True, null=True)
-    constraints = models.TextField()
+    constraints = models.TextField(blank=True)
 
     objects = models.Manager()
     on_site = CurrentSiteManager()

accounts/templates/registration/login.html

@@ -28,7 +28,7 @@
 
 <div class="row">
   <div class="col-md-offset-4 col-md-4">
-    You do not have an account? Please <a href="{% url 'registration_register' %}">register</a>.
+    You do not have an account yet? Please <a href="{% url 'registration_register' %}">register</a>.
   </div>
 </div>
 

conversations/__init__.py

@@ -0,0 +1 @@
+default_app_config = 'conversations.apps.ConversationsConfig'

conversations/admin.py

@@ -0,0 +1,7 @@
+from django.contrib import admin
+
+from .models import Conversation, Message
+
+
+admin.site.register(Conversation)
+admin.site.register(Message)

conversations/apps.py

@@ -0,0 +1,8 @@
+from django.apps import AppConfig
+
+
+class ConversationsConfig(AppConfig):
+    name = 'conversations'
+
+    def ready(self):
+        import conversations.signals

conversations/migrations/0001_initial.py

@@ -0,0 +1,42 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.9.7 on 2016-06-12 21:41
+from __future__ import unicode_literals
+
+from django.conf import settings
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+        ('accounts', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Conversation',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('speaker', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='conversation', to='accounts.Speaker')),
+                ('subscribers', models.ManyToManyField(related_name='_conversation_subscribers_+', to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Message',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('token', models.CharField(max_length=64)),
+                ('date', models.DateTimeField(auto_now_add=True)),
+                ('content', models.TextField()),
+                ('author', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
+                ('conversation', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='messages', to='conversations.Conversation')),
+            ],
+            options={
+                'ordering': ['date'],
+            },
+        ),
+    ]

conversations/models.py

@@ -0,0 +1,29 @@
+from django.db import models
+from django.contrib.auth.models import User
+
+from accounts.models import Speaker
+
+
+class Conversation(models.Model):
+
+    speaker = models.ForeignKey(Speaker, related_name='conversation')
+    subscribers = models.ManyToManyField(User, related_name='+')
+
+    def __str__(self):
+        return "Conversation with %s" % self.speaker
+
+
+class Message(models.Model):
+
+    token = models.CharField(max_length=64)
+    conversation = models.ForeignKey(Conversation, related_name='messages')
+
+    author = models.ForeignKey(User)
+    date = models.DateTimeField(auto_now_add=True)
+    content = models.TextField()
+
+    class Meta:
+        ordering = ['date']
+
+    def __str__(self):
+        return "Message from %s" % self.author

conversations/signals.py

@@ -0,0 +1,77 @@
+from django.db.models.signals import post_save
+from django.dispatch import receiver
+from django.conf import settings
+from django.core.urlresolvers import reverse
+from django.template.loader import render_to_string
+from django.core import mail
+from django.core.mail import EmailMultiAlternatives
+
+
+from .models import Message
+from .utils import get_reply_addr
+from proposals.models import Talk, Topic
+
+
+@receiver(post_save, sender=Message, dispatch_uid="Notify new message")
+def notify_new_message(sender, instance, created, **kwargs):
+    if not created:
+        # We could send a modification notification
+        return
+    message = instance
+    conversation = message.conversation
+    site = conversation.speaker.site
+    subject = site.name
+    sender = instance.author
+    dests = list(conversation.subscribers.all())
+    if conversation.speaker.user not in dests:
+        dests += [conversation.speaker.user]
+    data = {
+        'content': message.content,
+        'uri': site.domain + reverse('show-conversation', args=[conversation.id]),
+    }
+    message_id = message.token
+    ref = None
+    if conversation.messages.first().id != message.id:
+        ref = conversation.messages.first().token
+    notify_by_email(data, 'new_message', subject, sender, dests, message_id, ref)
+
+
+def notify_by_email(data, template, subject, sender, dests, message_id, ref=None):
+
+    if hasattr(settings, 'REPLY_EMAIL'):
+        data.update({'answering': True})
+
+    text_message = render_to_string('conversations/%s.txt' % template, data)
+    html_message = render_to_string('conversations/%s.html' % template, data)
+
+    from_email = '{name} <{email}>'.format(
+            name=sender.get_full_name() or sender.username,
+            email=settings.DEFAULT_FROM_EMAIL)
+
+    # Generating headers
+    headers = { 
+        'Message-ID': "<%s.%s>" % (message_id, settings.DEFAULT_FROM_EMAIL),
+    }   
+    if ref:
+        # This email reference a previous one
+        headers.update({
+            'References': '<%s.%s>' % (ref, settings.DEFAULT_FROM_EMAIL),
+        })
+
+    mails = []
+    for dest in dests:
+        if not dest.email:
+            continue
+
+        reply_to = get_reply_addr(message_id, dest)
+
+        mails += [(subject, (text_message, html_message), from_email, [dest.email], reply_to, headers)]
+
+    messages = []
+    for subject, message, from_email, dests, reply_to, headers in mails:
+        text_message, html_message = message
+        msg = EmailMultiAlternatives(subject, text_message, from_email, dests, reply_to=reply_to, headers=headers)
+        msg.attach_alternative(html_message, 'text/html')
+        messages += [msg]
+    with mail.get_connection() as connection:
+        connection.send_messages(messages)

conversations/templates/conversations/new_message.html

@@ -0,0 +1,8 @@
+{{ content|safe }}
+
+<hr>
+{% if answering %}
+Reply to this email directly or <a href="{{ uri }}">view it online</a>.
+{% else %}
+<a href="{{ uri }}">Reply online</a>.
+{% endif %}

conversations/templates/conversations/new_message.txt

@@ -0,0 +1,4 @@
+{{ content|safe }}
+
+--
+Reply {% if answering %}to this email directly or view it {% endif %}online: {{ uri }}

conversations/tests.py

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

conversations/urls.py

@@ -0,0 +1,8 @@
+from django.conf.urls import url
+
+from conversations import views
+
+
+urlpatterns = [
+    url(r'^(?P<conversation>[0-9]+)$', views.conversation_details, name='show-conversation'),
+]

conversations/utils.py

@@ -0,0 +1,26 @@
+from django.conf import settings
+
+import hashlib
+
+
+def hexdigest_sha256(*args):
+
+    r = hashlib.sha256()
+    for arg in args:
+        r.update(str(arg).encode('utf-8'))
+
+    return r.hexdigest()
+
+
+def get_reply_addr(message_id, dest):
+
+    if not hasattr(settings, 'REPLY_EMAIL'):
+        return []
+
+    addr = settings.REPLY_EMAIL
+    pos = addr.find('@')
+    name = addr[:pos]
+    domain = addr[pos:]
+    key = hexdigest_sha256(settings.SECRET_KEY, message_id, dest.pk)
+
+    return ['%s+%10s%s%10s%s' % (name, dest.pk, message_id, key, domain)]

conversations/views.py

@@ -0,0 +1,13 @@
+from django.shortcuts import render
+from django.shortcuts import get_object_or_404, redirect, render
+from django.contrib.sites.shortcuts import get_current_site
+
+from .models import Message
+
+
+def conversation_details(request, conversation):
+    conversation = get_object_or_404(Conversation,
+            id=conversation, speaker__site=get_current_site(request))
+    return render(request, 'conversations/message.html', {
+            'messages': conversation.messages,
+    })

ponyconf/settings.py

@@ -31,8 +31,7 @@ ALLOWED_HOSTS = []
 # Application definition
 
 INSTALLED_APPS = [
-    'accounts',
-    'registration',
+    # build-in apps
     'django.contrib.admin',
     'django.contrib.auth',
     'django.contrib.contenttypes',
@@ -41,11 +40,16 @@ INSTALLED_APPS = [
     'django.contrib.staticfiles',
     'django.contrib.sites',
 
+    # external apps
     'djangobower',
     'bootstrap3',
+    'registration',
 
+    # our apps
+    'accounts',
     'ponyconf',
     'proposals',
+    'conversations',
 ]
 
 MIDDLEWARE_CLASSES = [

ponyconf/urls.py

@@ -21,4 +21,5 @@ urlpatterns = [
     url(r'^accounts/', include('accounts.urls')),
     url(r'^registration/', include('registration.backends.default.urls')),
     url(r'^', include('proposals.urls')),
+    url(r'^conversations/', include('conversations.urls')),
 ]

proposals/admin.py

@@ -1,7 +1,7 @@
 from django.contrib import admin
 
-from proposals.models import Speach, Talk, Topic
+from proposals.models import Speech, Talk, Topic
 
 admin.site.register(Topic)
 admin.site.register(Talk)
-admin.site.register(Speach)
+admin.site.register(Speech)

proposals/migrations/0001_initial.py

@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Generated by Django 1.9.7 on 2016-06-12 16:42
+# Generated by Django 1.9.7 on 2016-06-12 21:41
 from __future__ import unicode_literals
 
 import autoslug.fields
@@ -21,7 +21,7 @@ class Migration(migrations.Migration):
 
     operations = [
         migrations.CreateModel(
-            name='Speach',
+            name='Speech',
             fields=[
                 ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
                 ('order', models.IntegerField(choices=[(1, '1'), (2, '2'), (3, '3'), (4, '4'), (5, '5'), (6, '6'), (7, '7')], default=1)),
@@ -38,8 +38,9 @@ class Migration(migrations.Migration):
                 ('title', models.CharField(max_length=128, verbose_name='Title')),
                 ('slug', autoslug.fields.AutoSlugField(editable=False, populate_from='title', unique=True)),
                 ('description', models.TextField(blank=True, verbose_name='Description')),
+                ('event', models.IntegerField(choices=[(1, 'conference'), (2, 'workshop'), (3, 'stand'), (4, 'other')], default=1)),
                 ('site', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='sites.Site')),
-                ('speakers', models.ManyToManyField(through='proposals.Speach', to=settings.AUTH_USER_MODEL)),
+                ('speakers', models.ManyToManyField(through='proposals.Speech', to=settings.AUTH_USER_MODEL)),
             ],
             managers=[
                 ('objects', django.db.models.manager.Manager()),
@@ -60,12 +61,12 @@ class Migration(migrations.Migration):
             field=models.ManyToManyField(blank=True, to='proposals.Topic'),
         ),
         migrations.AddField(
-            model_name='speach',
+            model_name='speech',
             name='talk',
             field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='proposals.Talk'),
         ),
         migrations.AlterUniqueTogether(
-            name='speach',
+            name='speech',
             unique_together=set([('order', 'talk'), ('speaker', 'talk')]),
         ),
     ]

proposals/migrations/0002_talk_event.py

@@ -1,20 +0,0 @@
-# -*- coding: utf-8 -*-
-# Generated by Django 1.9.7 on 2016-06-12 20:26
-from __future__ import unicode_literals
-
-from django.db import migrations, models
-
-
-class Migration(migrations.Migration):
-
-    dependencies = [
-        ('proposals', '0001_initial'),
-    ]
-
-    operations = [
-        migrations.AddField(
-            model_name='talk',
-            name='event',
-            field=models.IntegerField(choices=[(1, 'conference'), (2, 'workshop'), (3, 'stand'), (4, 'other')], default=1),
-        ),
-    ]

proposals/models.py

@@ -10,7 +10,7 @@ from autoslug import AutoSlugField
 
 from accounts.models import enum_to_choices
 
-__all__ = ['Topic', 'Talk', 'Speach']
+__all__ = ['Topic', 'Talk', 'Speech']
 
 
 class Topic(models.Model):
@@ -31,7 +31,7 @@ class Talk(models.Model):
 
     site = models.ForeignKey(Site, on_delete=models.CASCADE)
 
-    speakers = models.ManyToManyField(User, through='Speach')
+    speakers = models.ManyToManyField(User, through='Speech')
     title = models.CharField(max_length=128, verbose_name='Title')
     slug = AutoSlugField(populate_from='title', unique=True)
     description = models.TextField(blank=True, verbose_name='Description')
@@ -48,7 +48,7 @@ class Talk(models.Model):
         return reverse('show-talk', kwargs={'slug': self.slug})
 
 
-class Speach(models.Model):
+class Speech(models.Model):
 
     SPEAKER_NO = tuple((i, str(i)) for i in range(1, 8))
 

proposals/tests.py

@@ -2,7 +2,7 @@ from django.contrib.auth.models import User
 from django.core.urlresolvers import reverse
 from django.test import TestCase
 
-from .models import Talk, Topic, Speach
+from .models import Talk, Topic, Speech
 
 
 class ProposalsTests(TestCase):
@@ -36,7 +36,7 @@ class ProposalsTests(TestCase):
         self.assertEqual(self.client.get(reverse('list-talks')).status_code, 200)
 
         # Models str & get_asbolute_url
-        for model in [Talk, Topic, Speach]:
+        for model in [Talk, Topic, Speech]:
             item = model.objects.first()
             self.assertEqual(self.client.get(item.get_absolute_url()).status_code, 200)
             self.assertTrue(str(item))

proposals/views.py

@@ -9,7 +9,7 @@ from django.views.generic import DetailView, ListView
 
 from accounts.models import Speaker
 from proposals.forms import TalkForm
-from proposals.models import Speach, Talk, Topic
+from proposals.models import Speech, Talk, Topic
 
 
 def home(request):
@@ -63,7 +63,7 @@ def talk_edit(request, talk=None):
             talk.save()
             form.save_m2m()
             Speaker.on_site.get_or_create(user=request.user, site=site)
-            Speach.objects.create(speaker=request.user, talk=talk)
+            Speech.objects.create(speaker=request.user, talk=talk)
             messages.success(request, 'Talk proposed successfully!')
         return redirect(talk.get_absolute_url())
     return render(request, 'proposals/talk_edit.html', {
@@ -80,7 +80,7 @@ class TopicList(LoginRequiredMixin, ListView):
 
 
 class SpeakerList(LoginRequiredMixin, ListView):
-    queryset = User.objects.filter(speach__talk=Talk.on_site.all())
+    queryset = User.objects.filter(speech__talk=Talk.on_site.all())
     template_name = 'proposals/speaker_list.html'