bornhack-website/src/utils/email.py

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from django.core.mail import EmailMultiAlternatives
from django.core.validators import validate_email
from django.core.exceptions import ValidationError
from django.core.files.base import ContentFile
from django.conf import settings
from django.template.loader import render_to_string
from .models import OutgoingEmail
import logging
logger = logging.getLogger("bornhack.%s" % __name__)
def _send_email(
text_template,
subject,
to_recipients=[],
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cc_recipients=[],
bcc_recipients=[],
html_template='',
sender='BornHack <info@bornhack.dk>',
attachment=None,
attachment_filename=''
):
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if not isinstance(to_recipients, list):
to_recipients = [to_recipients]
try:
# put the basic email together
msg = EmailMultiAlternatives(
subject,
text_template,
sender,
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to_recipients,
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bcc_recipients + [settings.ARCHIVE_EMAIL] if bcc_recipients else [settings.ARCHIVE_EMAIL],
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cc_recipients
)
# is there a html version of this email?
if html_template:
msg.attach_alternative(
html_template,
'text/html'
)
# is there a pdf attachment to this mail?
if attachment:
msg.attach(attachment_filename, attachment, 'application/pdf')
except Exception as e:
logger.exception('exception while rendering email: {}'.format(e))
return False
# send the email
try:
msg.send(fail_silently=False)
except Exception as e:
logger.exception('exception while sending email: {}'.format(e))
return False
return True
def add_outgoing_email(
text_template,
formatdict,
subject,
to_recipients=[],
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cc_recipients=[],
bcc_recipients=[],
html_template='',
sender='BornHack <info@bornhack.dk>',
attachment=None,
attachment_filename=''
):
""" adds an email to the outgoing queue
recipients is a list of to recipients
"""
text_template = render_to_string(text_template, formatdict)
if html_template:
html_template = render_to_string(html_template, formatdict)
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if not isinstance(to_recipients, list):
to_recipients = [to_recipients]
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for recipient in to_recipients:
try:
validate_email(recipient)
except ValidationError:
return False
email = OutgoingEmail.objects.create(
text_template=text_template,
html_template=html_template,
subject=subject,
sender=sender,
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to_recipients=to_recipients,
cc_recipients=cc_recipients,
bcc_recipients=bcc_recipients
)
if attachment:
django_file = ContentFile(attachment)
django_file.name = attachment_filename
email.attachment.save(attachment_filename, django_file, save=True)
return True