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kompass/jdav_web/mailer/models.py

93 lines
3.1 KiB
Python

from django.db import models
from django.forms import forms
from django.utils.translation import ugettext_lazy as _
from .mailutils import send, get_content
import os
class RestrictedFileField(models.FileField):
def __init__(self, *args, **kwargs):
if "max_upload_size" in kwargs:
self.max_upload_size = kwargs.pop("max_upload_size")
super(RestrictedFileField, self).__init__(*args, **kwargs)
def clean(self, *args, **kwargs):
data = super(RestrictedFileField, self).clean(*args, **kwargs)
f = data.file
try:
if f._size > self.max_upload_size:
raise forms.ValidationError('Please keep filesize under {}. '
'Current filesize: '
'{}'.format(self.max_upload_size,
f._size))
except AttributeError as e:
print(e)
return data
# Create your models here.
class Message(models.Model):
"""Represents a message that can be sent to some members"""
from_addr = models.EmailField(_('from email'))
subject = models.CharField(_('subject'), max_length=50)
content = models.TextField(_('content'))
to_groups = models.ManyToManyField('members.Group',
verbose_name=_('to group'))
sent = models.BooleanField(_('sent'), default=False)
def __str__(self):
return self.subject
def get_groups(self):
return ", ".join([g.name for g in self.to_groups.all()])
get_groups.short_description = _('recipients')
def submit(self):
"""Sends the mail to the specified group of members"""
members = set()
for group in self.to_groups.all():
group_members = group.member_set.all()
for member in group_members:
if not member.gets_newsletter:
continue
members.add(member)
attach = [a.f.path for a in Attachment.objects.filter(msg__id=self.pk)
if a.f.name]
success = send(self.subject, get_content(self.content),
self.from_addr, [member.email for member in members],
attachments=attach)
if success:
self.sent = True
self.save()
return True
else:
return False
class Meta:
verbose_name = _('message')
verbose_name_plural = _('messages')
permissions = (
("submit_mails", _("Can submit mails")),
)
class Attachment(models.Model):
"""Represents an attachment to an email"""
msg = models.ForeignKey(Message, on_delete=models.CASCADE)
print("attachment class")
# file (not naming it file because of builtin)
f = RestrictedFileField(_('file'),
upload_to='attachments',
blank=True,
max_upload_size=10485760)
def __str__(self):
return os.path.basename(self.f.name) if self.f.name else _("Empty")
class Meta:
verbose_name = _('attachment')
verbose_name_plural = _('attachments')