Eos/eosweb/core/emails.py

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2018-01-07 23:21:37 +11:00
# Eos - Verifiable elections
# Copyright © 2017-18 RunasSudo (Yingtong Li)
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import logging
import premailer
import sass
import flask
import flask_mail
from eos.base.election import *
def send_email(title, html_text, body_text, recipients):
# Prepare email
css = sass.compile(string=flask.render_template('email/base.scss'))
html = flask.render_template(
'email/base.html',
title=title,
css=css,
text=html_text
)
html = premailer.Premailer(html, strip_important=False).transform()
body = flask.render_template(
'email/base.txt',
title=title,
text=body_text
)
# Send email
mail = flask_mail.Mail(flask.current_app)
msg = flask_mail.Message(
title,
recipients=recipients,
body=body,
html=html
)
mail.send(msg)
def voter_email_password(election, voter):
send_email(
'Registered to vote: {}'.format(election.name),
'<p>Dear {},</p><p>You are registered to vote in <i>{}</i>.</p><p>Your login details are as follows:</p><p>Email: <code>{}</code></p><p>Password: <code>{}</code></p>'.format(voter.name, election.name, voter.user.email, voter.user.password),
'Dear {},\n\nYou are registered to vote in "{}".\n\nYour login details are as follows:\n\nEmail: {}\nPassword: {}'.format(voter.name, election.name, voter.user.email, voter.user.password),
[voter.user.email]
)
def task_email_failure(task):
send_email(
'Task failed: {}'.format(task.label),
'<p>The task <i>{}</i> failed execution. The output was:</p><pre>{}</pre>'.format(task.label, '\n'.join(task.messages)),
'The task "{}" failed execution. The output was:\n\n{}'.format(task.label, '\n'.join(task.messages)),
[admin.email for admin in flask.current_app.config['ADMINS'] if isinstance(admin, EmailUser)]
)