# -*- coding: utf-8 -*-
# Copyright © Cloud Linux GmbH & Cloud Linux Software, Inc 2010-2018 All Rights Reserved
#
# Licensed under CLOUD LINUX LICENSE AGREEMENT
# http://cloudlinux.com/docs/LICENSE.TXT
#
import os
import jinja2
# Subject line prefix in template file
SUBJECT_LINE_PREFIX = 'Subject:'
# TODO: looks like this class is used only in lve-stats
# and we should move it there
class ClEmail:
"""
class for generation email messages
"""
def __init__(self):
pass
@staticmethod
def generate_mail_jinja2(template_path, templ_data, subject=None):
"""
Generates email message using jinja2 template engine
:param template_path: path to jinja2 template
:param templ_data: Data to fill template using jinja2
:param subject: Email subject to use if it not found in template
:return: Cortege (email_subject, email_body)
"""
# load and render template
templ_loader = jinja2.FileSystemLoader(os.path.dirname(template_path))
templ_envir = jinja2.Environment(loader=templ_loader)
message_lines = templ_envir.get_template(
os.path.basename(template_path)
).render(
templ_data
).split('\n')
# Search subject string in template content
if len(message_lines) > 2 and message_lines[0].startswith(SUBJECT_LINE_PREFIX) and message_lines[1] == '':
subject = message_lines[0].replace(SUBJECT_LINE_PREFIX, '').strip()
# Remove Subject line and separator (empty line) from message body
message_lines.pop(1)
message_lines.pop(0)
return subject, '\n'.join(message_lines)
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