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244 lines
10 KiB
Python
244 lines
10 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 gettext_lazy as _
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from django.utils.translation import gettext
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from .mailutils import send, get_content, NOT_SENT, SENT, PARTLY_SENT,\
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addr_with_name
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from utils import RestrictedFileField
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from jdav_web.celery import app
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from django.core.validators import RegexValidator
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from django.conf import settings
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from contrib.models import CommonModel
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from .rules import is_creator
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import os
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alphanumeric = RegexValidator(r'^[0-9a-zA-Z._-]*$',
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_('Only alphanumeric characters, ., - and _ are allowed'))
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class EmailAddress(models.Model):
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"""Represents an email address, that is forwarded to specific members"""
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name = models.CharField(_('name'), max_length=50, validators=[alphanumeric])
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to_members = models.ManyToManyField('members.Member',
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verbose_name=_('Forward to participants'),
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blank=True)
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to_groups = models.ManyToManyField('members.Group',
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verbose_name=_('Forward to group'),
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blank=True)
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internal_only = models.BooleanField(verbose_name=_('Restrict to internal email addresses'),
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help_text=_('Only allow forwarding to this e-mail address from the internal domain.'),
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default=False)
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allowed_senders = models.ManyToManyField('members.Group',
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verbose_name=_('Allowed sender'),
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help_text=_('Only forward e-mails of members of selected groups. Leave empty to allow all senders.'),
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blank=True,
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related_name='allowed_sender_on_emailaddresses')
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@property
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def email(self):
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return "{0}@{1}".format(self.name, settings.DOMAIN)
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@property
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def forwards(self):
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mails = set(member.email for member in self.to_members.all())
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mails.update([member.email for group in self.to_groups.all() for member in group.member_set.all()])
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return mails
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def __str__(self):
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return self.email
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class Meta:
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verbose_name = _('email address')
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verbose_name_plural = _('email addresses')
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class EmailAddressForm(forms.ModelForm):
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class Meta:
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model = EmailAddress
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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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members = self.cleaned_data.get('to_members')
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if not group and not members:
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raise ValidationError(_('Either a group or at least'
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' one member is required as forward recipient.'))
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# Create your models here.
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class Message(CommonModel):
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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_freizeit = models.ForeignKey('members.Freizeit',
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verbose_name=_('to freizeit'),
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on_delete=models.CASCADE,
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blank=True,
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null=True)
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to_notelist = models.ForeignKey('members.MemberNoteList',
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verbose_name=_('to notes list'),
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on_delete=models.CASCADE,
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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 participant'),
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blank=True,
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related_name='reply_to')
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reply_to_email_address = models.ManyToManyField('mailer.EmailAddress',
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verbose_name=_('reply to custom email address'),
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blank=True,
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related_name='reply_to_email_addr')
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sent = models.BooleanField(_('sent'), default=False)
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created_by = models.ForeignKey('members.Member', verbose_name=_('Created by'),
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blank=True,
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null=True,
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on_delete=models.SET_NULL,
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related_name='created_messages')
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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_freizeit is not None:
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recipients.append(self.to_freizeit.name)
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if self.to_notelist is not None:
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recipients.append(self.to_notelist.title)
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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(gettext('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, sender=None):
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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 freizeit
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if self.to_freizeit is not None:
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members.update([mol.member for mol in
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self.to_freizeit.membersonlist.all()])
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members.update(self.to_freizeit.jugendleiter.all())
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# get all the members of the selected notes list
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if self.to_notelist is not None:
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members.update([mol.member for mol in
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self.to_notelist.membersonlist.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.alternative_email for member in filtered if member.alternative_email])
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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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# generate message id
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message_id = "<{pk}@{domain}>".format(pk=self.pk, domain=settings.DOMAIN)
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# reply to addresses
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reply_to = [jl.association_email for jl in self.reply_to.all()]
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reply_to.extend([ml.email for ml in self.reply_to_email_address.all()])
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# set correct from address
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# if the sender is none or if sending from association emails has been
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# disabled, use the default sending mail
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if sender is None:
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from_addr = addr_with_name(settings.DEFAULT_SENDING_MAIL, settings.DEFAULT_SENDING_NAME)
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elif sender and settings.SEND_FROM_ASSOCIATION_EMAIL:
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from_addr = addr_with_name(sender.association_email, sender.name)
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else:
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from_addr = addr_with_name(settings.DEFAULT_SENDING_MAIL, sender.name)
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# if sending from the association email has been disabled,
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# a sender was supplied and the reply to is empty, add the sender's
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# DAV360 email as reply to
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if sender and not settings.SEND_FROM_ASSOCIATION_EMAIL and sender.has_internal_email() and reply_to == []:
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reply_to.append(addr_with_name(sender.email, sender.name))
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try:
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success = send(self.subject, get_content(self.content, registration_complete=True),
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from_addr,
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emails,
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message_id=message_id,
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attachments=attach,
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reply_to=reply_to)
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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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success = SENT
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except Exception as e:
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print("Exception caught", 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(CommonModel.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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rules_permissions = {
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"view_obj": is_creator,
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"change_obj": is_creator,
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"delete_obj": is_creator,
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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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freizeit = self.cleaned_data.get('to_freizeit')
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notelist = self.cleaned_data.get('to_notelist')
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members = self.cleaned_data.get('to_members')
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if not group and freizeit is None and not members and notelist is None:
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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(CommonModel):
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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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max_upload_size=10)
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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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rules_permissions = {
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"add_obj": is_creator,
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"view_obj": is_creator,
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"change_obj": is_creator,
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"delete_obj": is_creator,
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}
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