Files
mayan-edms/mayan/apps/mailer/models.py
2017-07-21 00:25:18 -04:00

129 lines
3.8 KiB
Python

from __future__ import unicode_literals
import json
import logging
from django.core import mail
from django.db import models
from django.utils.module_loading import import_string
from django.utils.translation import ugettext_lazy as _
from .utils import split_recipient_list
logger = logging.getLogger(__name__)
class LogEntry(models.Model):
datetime = models.DateTimeField(
auto_now_add=True, editable=False, verbose_name=_('Date time')
)
message = models.TextField(
blank=True, editable=False, verbose_name=_('Message')
)
class Meta:
get_latest_by = 'datetime'
ordering = ('-datetime',)
verbose_name = _('Log entry')
verbose_name_plural = _('Log entries')
class UserMailer(models.Model):
label = models.CharField(
max_length=128, unique=True, verbose_name=_('Label')
)
default = models.BooleanField(
default=True, help_text=_(
'If default, this mailing profile will be pre-selected on the '
'document mailing form.'
), verbose_name=_('Default')
)
enabled = models.BooleanField(default=True, verbose_name=_('Enabled'))
backend_path = models.CharField(
max_length=128,
help_text=_('The dotted Python path to the backend class.'),
verbose_name=_('Backend path')
)
backend_data = models.TextField(
blank=True, verbose_name=_('Backend data')
)
class Meta:
ordering = ('label',)
verbose_name = _('User mailer')
verbose_name_plural = _('User mailers')
def __str__(self):
return self.label
def save(self, *args, **kwargs):
if self.default:
UserMailer.objects.select_for_update().exclude(pk=self.pk).update(
default=False
)
return super(UserMailer, self).save(*args, **kwargs)
def backend_label(self):
return self.get_backend().label
def get_backend(self):
return import_string(self.backend_path)
def get_connection(self):
return mail.get_connection(
backend=self.get_backend().class_path, **self.loads()
)
def loads(self):
return json.loads(self.backend_data)
def dumps(self, data):
self.backend_data = json.dumps(data)
self.save()
def send(self, subject='', body='', to=None, document=None, as_attachment=False):
recipient_list = split_recipient_list(recipients=[to])
with self.get_connection() as connection:
email_message = mail.EmailMultiAlternatives(
subject=subject, body=body, to=recipient_list,
connection=connection
)
if as_attachment:
with document.open() as descriptor:
email_message.attach(
filename=document.label, content=descriptor.read(),
mimetype=document.file_mimetype
)
try:
email_message.send()
except Exception as exception:
self.error_log.create(message=exception)
else:
self.error_log.all().delete()
def test(self, to):
self.send(to=to, subject=_('Test email from Mayan EDMS'))
class UserMailerLogEntry(models.Model):
user_mailer = models.ForeignKey(
UserMailer, on_delete=models.CASCADE, related_name='error_log',
verbose_name=_('User mailer')
)
datetime = models.DateTimeField(
auto_now_add=True, editable=False, verbose_name=_('Date time')
)
message = models.TextField(
blank=True, editable=False, verbose_name=_('Message')
)
class Meta:
get_latest_by = 'datetime'
ordering = ('-datetime',)
verbose_name = _('User mailer log entry')
verbose_name_plural = _('User mailer log entries')