116 lines
4.2 KiB
Python
116 lines
4.2 KiB
Python
import re
|
|
|
|
import markdown
|
|
from jinja2 import Template
|
|
|
|
from crc import app
|
|
from crc.api.common import ApiError
|
|
from crc.scripts.script import Script
|
|
from crc.services.ldap_service import LdapService
|
|
from crc.services.email_service import EmailService
|
|
|
|
from flask import render_template, request
|
|
|
|
|
|
class Email(Script):
|
|
"""This Script allows to be introduced as part of a workflow and called from there, specifying
|
|
recipients and content """
|
|
|
|
def get_description(self):
|
|
return """
|
|
Creates an email, using the provided arguments. The first argument is the subject of the email,
|
|
all subsequent arguments should be email addresses in quotes, or variables containing an email address or a list
|
|
of email addresses."
|
|
The "documentation" should contain markdown that will become the body of the email message.
|
|
Example:
|
|
email ("My Subject", "dhf8r@virginia.edu", pi.email)
|
|
"""
|
|
|
|
def do_task_validate_only(self, task, study_id, workflow_id, *args, **kwargs):
|
|
self.get_subject(args)
|
|
self.get_email_recipients(task, args)
|
|
self.get_content(task)
|
|
|
|
def do_task(self, task, study_id, workflow_id, *args, **kwargs):
|
|
|
|
if len(args) < 2:
|
|
raise ApiError(code="missing_argument",
|
|
message="Email script requires a subject and at least one email address as arguments")
|
|
subject = self.get_subject(args)
|
|
recipients = self.get_email_recipients(task, args)
|
|
|
|
if recipients:
|
|
content, content_html = self.get_content(task)
|
|
EmailService.add_email(
|
|
subject=subject,
|
|
sender=app.config['DEFAULT_SENDER'],
|
|
recipients=recipients,
|
|
content=content,
|
|
content_html=content_html,
|
|
study_id=study_id
|
|
)
|
|
|
|
def check_valid_email(self, email):
|
|
# regex from https://emailregex.com/
|
|
regex = r"(^[a-zA-Z0-9_.+-]+@[a-zA-Z0-9-]+\.[a-zA-Z0-9-.]+$)"
|
|
if (re.search(regex, email)):
|
|
return True
|
|
else:
|
|
return False
|
|
|
|
def get_email_recipients(self, task, args):
|
|
emails = []
|
|
|
|
if len(args) < 2:
|
|
raise ApiError(code="missing_argument",
|
|
message="Email script requires at least one email address as an argument. "
|
|
"Multiple email addresses are accepted.")
|
|
|
|
# Every argument following the subject should be an email, or a list of emails.
|
|
for arg in args[1:]:
|
|
if isinstance(arg, str):
|
|
emails_to_check = [arg]
|
|
elif isinstance(arg, list):
|
|
emails_to_check = arg
|
|
else:
|
|
raise ApiError(code="invalid_argument",
|
|
message=f"Email script requires a valid email address, but received '{arg}'")
|
|
|
|
for e in emails_to_check:
|
|
if self.check_valid_email(e):
|
|
emails.append(e)
|
|
else:
|
|
raise ApiError(code="invalid_argument",
|
|
message="The email address you provided could not be parsed. "
|
|
"The value you provided is '%s" % e)
|
|
|
|
return emails
|
|
|
|
@staticmethod
|
|
def get_subject(args):
|
|
# subject = ''
|
|
if len(args[0]) < 1:
|
|
raise ApiError(code="missing_argument",
|
|
message="No subject was provided for the email message.")
|
|
|
|
subject = args[0]
|
|
if not subject or not isinstance(subject, str):
|
|
raise ApiError(code="invalid_argument",
|
|
message="The subject you provided could not be parsed. "
|
|
"The value is \"%s\" " % subject)
|
|
|
|
return subject
|
|
|
|
def get_content(self, task):
|
|
content = task.task_spec.documentation
|
|
template = Template(content)
|
|
rendered = template.render(task.data)
|
|
rendered_markdown = markdown.markdown(rendered)
|
|
wrapped = self.get_cr_connect_wrapper(rendered_markdown)
|
|
|
|
return rendered, wrapped
|
|
|
|
@staticmethod
|
|
def get_cr_connect_wrapper(email_body):
|
|
return render_template('mail_content_template.html', email_body=email_body, base_url=request.base_url)
|