main.py

from dsc.cmdline import parse_cmdline
from dsc.issue import GithubIssue
from dsc.params import SendEmailParams
from dsc.invoice import InvoiceHTMLParser
from dsc.email import Email, EmailTemplate
import os
import sys

TEMPLATE_FOLDER = os.path.join(os.path.dirname(__file__), 'template')


def main():
    """Execute modules to send order update email to DSC users."""
    parser = InvoiceHTMLParser()
    args = parse_cmdline()
    issue = GithubIssue(
        token=args.token,
        repository=args.repository,
        organization=args.organization
    )
    parser.feed(issue.html(args.issueid))

    file = os.path.join(TEMPLATE_FOLDER, 'update_template.html')

    try:
        os.path.exists(file) is True
    except FileNotFoundError as fnf_error:
        print(fnf_error)
        sys.exit("Email update template was not found.")
    else:
        try:
            with open(file, 'r') as f:
                content = f.read()
        except RuntimeError as error:
            print(error)
            sys.exit("Could not read order update template file.")

    template = EmailTemplate(message=content)

    email = Email(endpoint=args.endpoint, api_key=args.apikey)
    email.send(SendEmailParams(
        sender=args.sender,
        to=parser.get_shipping_email(),
        subject=template.generate_subject(
            issue_id=parser.get_order_id(),
            label=args.label
        ),
        content=template.generate_content(
            user=parser.get_user_name(),
            label=args.label,
            issue_id=parser.get_order_id()
        )
    ))


if __name__ == "__main__":
    main()