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137 lines
5.4 KiB
Python
137 lines
5.4 KiB
Python
from django.db import models
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from django.core.exceptions import ValidationError
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from django import forms
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from django.utils.translation import ugettext_lazy as _
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from django.utils.translation import ugettext
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from .mailutils import send, get_content, NOT_SENT, SENT, PARTLY_SENT, mail_root
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from utils import RestrictedFileField
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from jdav_web.celery import app
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import os
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# this is the mail address that is used to send mails
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SENDING_ADDRESS = mail_root
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# Create your models here.
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class Message(models.Model):
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"""Represents a message that can be sent to some members"""
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subject = models.CharField(_('subject'), max_length=50)
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content = models.TextField(_('content'))
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to_groups = models.ManyToManyField('members.Group',
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verbose_name=_('to group'),
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blank=True)
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to_memberlist = models.ForeignKey('members.MemberList',
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verbose_name=_('to member list'),
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blank=True,
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null=True)
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to_members = models.ManyToManyField('members.Member',
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verbose_name=_('to member'),
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blank=True)
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reply_to = models.ManyToManyField('members.Member',
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verbose_name=_('reply to'),
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blank=True,
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related_name='reply_to')
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sent = models.BooleanField(_('sent'), default=False)
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def __str__(self):
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return self.subject
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def get_recipients(self):
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recipients = [g.name for g in self.to_groups.all()]
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if self.to_memberlist is not None:
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recipients.append(self.to_memberlist.name)
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if 3 > self.to_members.count() > 0:
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recipients.extend([m.name for m in self.to_members.all()])
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elif self.to_members.count() > 2:
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recipients.append(ugettext('Some other members'))
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return ", ".join(recipients)
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get_recipients.short_description = _('recipients')
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def submit(self):
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"""Sends the mail to the specified group of members"""
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# recipients
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members = set()
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# get all the members of the selected groups
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groups = [gr.member_set.all() for gr in self.to_groups.all()]
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members.update([m for gr in groups for m in gr])
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# get all the individually picked members
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members.update(self.to_members.all())
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# get all the members of the selected member list
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if self.to_memberlist is not None:
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members.update([mol.member for mol in
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self.to_memberlist.memberonlist_set.all()])
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members.update(self.to_memberlist.jugendleiter.all())
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filtered = [m for m in members if m.gets_newsletter]
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print("sending mail to", filtered)
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attach = [a.f.path for a in Attachment.objects.filter(msg__id=self.pk)
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if a.f.name]
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emails = [member.email for member in filtered]
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emails.extend([member.email_parents for member in filtered
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if member.email_parents])
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# remove any underscores from subject to prevent Arne from using
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# terrible looking underscores in subjects
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self.subject = self.subject.replace('_', ' ')
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if len(self.reply_to.all()) > 0:
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temporary_reply_to = [r.email for r in self.reply_to.all()]
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else:
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temporary_reply_to = None
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try:
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success = send(self.subject, get_content(self.content),
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SENDING_ADDRESS,
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emails,
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reply_to=temporary_reply_to,
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message_id=self.pk,
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attachments=attach)
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if success == SENT or success == PARTLY_SENT:
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self.sent = True
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for a in Attachment.objects.filter(msg__id=self.pk):
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if a.f.name:
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os.remove(a.f.path)
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a.delete()
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except Exception as e:
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print("Exception catched", e)
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success = NOT_SENT
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finally:
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self.save()
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return success
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class Meta:
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verbose_name = _('message')
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verbose_name_plural = _('messages')
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permissions = (
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("submit_mails", _("Can submit mails")),
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)
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class MessageForm(forms.ModelForm):
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class Meta:
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model = Message
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exclude = []
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def clean(self):
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group = self.cleaned_data.get('to_groups')
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memberlist = self.cleaned_data.get('to_memberlist')
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members = self.cleaned_data.get('to_members')
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if not group and memberlist is None and not members:
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raise ValidationError(_('Either a group, a memberlist or at least'
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' one member is required as recipient'))
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class Attachment(models.Model):
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"""Represents an attachment to an email"""
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msg = models.ForeignKey(Message, on_delete=models.CASCADE)
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# file (not naming it file because of builtin)
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f = RestrictedFileField(_('file'),
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upload_to='attachments',
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blank=True,
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max_upload_size=10485760)
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def __str__(self):
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return os.path.basename(self.f.name) if self.f.name else _("Empty")
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class Meta:
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verbose_name = _('attachment')
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verbose_name_plural = _('attachments')
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