Add new app for emails

While this is at the moment tied to the gym module, it is possible to use
this in the future e.g. in groups.

requirements.txt

@@ -7,7 +7,7 @@ django-browserid==1.0
 django-recaptcha
 reportlab
 django_mobile
-django-formtools
+django-formtools==1.0
 bleach
 python-mimeparse
 pillow

wger/email/__init__.py

@@ -0,0 +1,21 @@
+# -*- coding: utf-8 -*-
+
+# This file is part of wger Workout Manager.
+#
+# wger Workout Manager is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# wger Workout Manager is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with Workout Manager.  If not, see <http://www.gnu.org/licenses/>.
+
+from wger import get_version
+
+VERSION = get_version()
+default_app_config = 'wger.email.apps.Config'

wger/email/apps.py

@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+
+# This file is part of wger Workout Manager.
+#
+# wger Workout Manager is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# wger Workout Manager is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+
+from django.apps import AppConfig
+
+
+class Config(AppConfig):
+    name = 'wger.email'
+    verbose_name = "Email"
+
+    def ready(self):
+        pass

wger/email/forms.py

@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+
+# This file is part of wger Workout Manager.
+#
+# wger Workout Manager is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# wger Workout Manager is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+
+
+from django.utils.translation import (
+    pgettext,
+    ugettext_lazy as _
+)
+from django.forms import (
+    Form,
+    CharField,
+    Textarea
+)
+
+
+class EmailListForm(Form):
+    '''
+    Small form to send emails
+    '''
+
+    subject = CharField(label=pgettext('Subject', 'As in "email subject"'))
+    body = CharField(widget=Textarea, label=pgettext('Content', 'As in "content of an email"'))

wger/email/management/commands/send-mass-emails.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+
+# This file is part of wger Workout Manager.
+#
+# wger Workout Manager is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# wger Workout Manager is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+
+from django.core import mail
+from django.conf import settings
+
+from django.core.management.base import BaseCommand
+from wger.email.models import CronEntry
+
+
+class Command(BaseCommand):
+    '''
+    Sends the prepared mass emails
+    '''
+
+    def handle(self, *args, **options):
+        '''
+        Send some mails and remove them from the list
+        '''
+        if CronEntry.objects.count():
+            for email in CronEntry.objects.all()[:100]:
+                mail.send_mail(email.log.subject,
+                               email.log.body,
+                               settings.DEFAULT_FROM_EMAIL,
+                               [email.email],
+                               fail_silently=True)
+                email.delete()

wger/email/migrations/0001_initial.py

@@ -0,0 +1,39 @@
+# -*- coding: utf-8 -*-
+from __future__ import unicode_literals
+
+from django.db import models, migrations
+from django.conf import settings
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('gym', '0004_auto_20151003_2357'),
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='CronEntry',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('email', models.EmailField(max_length=254)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Log',
+            fields=[
+                ('id', models.AutoField(verbose_name='ID', serialize=False, auto_created=True, primary_key=True)),
+                ('date', models.DateField(auto_now=True)),
+                ('subject', models.CharField(max_length=100)),
+                ('body', models.TextField()),
+                ('gym', models.ForeignKey(editable=False, to='gym.Gym')),
+                ('user', models.ForeignKey(editable=False, to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.AddField(
+            model_name='cronentry',
+            name='log',
+            field=models.ForeignKey(editable=False, to='email.Log'),
+        ),
+    ]

wger/email/models.py

@@ -0,0 +1,84 @@
+# -*- coding: utf-8 -*-
+
+# This file is part of wger Workout Manager.
+#
+# wger Workout Manager is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# wger Workout Manager is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+
+from django.contrib.auth.models import User
+from django.db import models
+
+from wger.gym.models import Gym
+
+
+class Log(models.Model):
+    '''
+    A log of a sent email
+    '''
+
+    date = models.DateField(auto_now=True)
+    '''
+    Date when the log was created
+    '''
+
+    user = models.ForeignKey(User,
+                             editable=False)
+    '''
+    The user that created the email
+    '''
+
+    gym = models.ForeignKey(Gym,
+                            editable=False,
+                            related_name='email_log'
+                            )
+    '''
+    Gym this log belongs to
+    '''
+
+    subject = models.CharField(max_length=100)
+    '''
+    The email subject
+    '''
+
+    body = models.TextField()
+    '''
+    The email body
+    '''
+
+    def __unicode__(self):
+        '''
+        Return a more human-readable representation
+        '''
+        return self.subject
+
+
+class CronEntry(models.Model):
+    '''
+    Simple list of emails to be sent by a cron job
+    '''
+
+    log = models.ForeignKey(Log,
+                            editable=False)
+    '''
+    Foreign key to email log with subject and body
+    '''
+
+    email = models.EmailField()
+    '''
+    The email address
+    '''
+
+    def __unicode__(self):
+        '''
+        Return a more human-readable representation
+        '''
+        return self.email

wger/email/templates/email/form.html

@@ -0,0 +1,39 @@
+{% extends "base.html" %}
+{% load wger_extras %}
+{% load i18n %}
+
+{% block title %}
+    Emailverteiler -
+    {% if email_type == 'starter' %}
+        Starter
+    {% else %}
+        Studio
+    {% endif %}
+{% endblock %}
+
+{% block content %}
+<form action="{{ form_action }}"
+      method="post"
+      class="form-horizontal">
+    {% render_form_fields form "Vorschau erzeugen" %}
+</form>
+{% endblock %}
+
+{% block sidebar %}
+    <div class="well">
+        <h4>Benutzung</h4>
+        <ol>
+            <li>Geben Sie die nötigen Daten in das Formular ein.</li>
+            <li>Die Manager bekommen eine Vorschau-Email, zur Kontrolle.</li>
+            <li>
+                Sie können beliebig oft den Inhalt korrigieren und über die
+                Vorschau-Emails kontrollieren.
+            </li>
+            <li>
+                Wenn Sie mit dem Inhalt zufrieden sind, können Sie die Emails
+                freigeben, sie weden in den nächsten Studen automatisch
+                verschickt
+            </li>
+        </ol>
+    </div>
+{% endblock %}

wger/email/templates/email/overview.html

@@ -0,0 +1,29 @@
+{% extends "base.html" %}
+{% load wger_extras i18n %}
+
+{% block title %}{% Email %}{% endblock %}
+
+{% block content %}
+
+    <p>Bitte wählen Sie die Empfänger</p>
+
+    <h4>Log</h4>
+    <table class="table">
+        <tr>
+            <th>{% trans "Date" %}</th>
+            <th>Typ</th>
+            <th>Betreff</th>
+        </tr>
+        {% for email in email_list %}
+        <tr>
+            <td>{{ email.date }}</td>
+            <td>{{ email.get_type_display }}</td>
+            <td>{{ email.subject }}</td>
+        </tr>
+        {% endfor %}
+    </table>
+
+{% endblock %}
+
+{% block sidebar %}
+{% endblock %}