tasks.py

import os
import requests

import jinja2

from dotenv import load_dotenv


load_dotenv()

domain = os.getenv("MAILGUN_DOMAIN")
template_loader = jinja2.FileSystemLoader("templates")
template_env = jinja2.Environment(loader=template_loader)


def render_template(template_filename, **context):
    return template_env.get_template(template_filename).render(**context)

def send_simple_message(to, subject, body, html):
    return requests.post(
		f"https://api.mailgun.net/v3/{domain}/messages",
		auth=("api", os.getenv("MAILGUN_API_KEY")),
		data={
            "from": f"Erick Kiminza <mailgun@{domain}>",
			"to": [to],
			"subject": subject,
			"text": body,
            "html": html,
            },
        )

def send_user_registration_email(email, username):
    return send_simple_message(
        email,
        "Successfully signed up",
        f"Hi {username}! You have successfully signed up to the Know-US states REST API.",
        render_template("email/action.html", username=username)
    ),