from __future__ import annotations from datetime import datetime import html import logging import smtplib from email.mime.multipart import MIMEMultipart from email.mime.text import MIMEText from email.utils import formatdate, make_msgid def send_alert_email(env: dict[str, str], logger: logging.Logger, state_changes: list[dict]) -> None: smtp_host = env.get("SMTP_HOST", "") if not smtp_host: logger.warning("SMTP_HOST non configuré, alerte email ignorée.") return alert_to_raw = env.get("ALERT_TO", "") if not alert_to_raw: logger.warning("ALERT_TO non configuré, alerte email ignorée.") return smtp_port = int(env.get("SMTP_PORT", "587")) smtp_user = env.get("SMTP_USER", "") smtp_password = env.get("SMTP_PASSWORD", "") alert_from = env.get("ALERT_FROM", smtp_user) recipients = [recipient.strip() for recipient in alert_to_raw.split(",") if recipient.strip()] now_str = datetime.now().strftime("%d/%m/%Y %H:%M") count = len(state_changes) subject = f"[Analyses] Changement d'etat : {count} site(s) - {now_str}" platform_url = "http://analyses.tarbouriech.tech" lines = [ "Bonjour,", "", f"Des changements de statut ont ete detectes sur {count} site(s) le {now_str}.", "", "Consultez le detail et l'etat actualise des sites :", platform_url, "", ] change_cards: list[str] = [] for change in state_changes: etat_avant = "FERME" if change["etat_avant"] == 1 else "OUVERT" etat_apres = "FERME" if change["etat_apres"] == 1 else "OUVERT" date_changement = change["date_changement"] or "-" lines += [ "--------------------------------------------------", f"Site : {change['nom_site']}", f"Changement : {etat_avant} -> {etat_apres}", f"Date chgt : {date_changement}", "", ] is_closed = change["etat_apres"] == 1 card_bg = "#fef2f2" if is_closed else "#ecfdf5" card_border = "#fecaca" if is_closed else "#a7f3d0" accent = "#991b1b" if is_closed else "#166534" badge_bg = "#fee2e2" if is_closed else "#d1fae5" status_label = "Ferme" if is_closed else "Ouvert" change_cards.append( f"""
 
{status_label}
Site : {html.escape(str(change['nom_site']))}
Changement : {etat_avant} -> {etat_apres}
Date du changement : {html.escape(str(date_changement))}
""".strip() ) lines += [ "--------------------------------------------------", "", "Cordialement,", "Plateforme Analyses Medithau", "", "Message automatique, merci de ne pas repondre a cet e-mail.", ] html_body = f"""
Alerte analyses biotoxines
Changement de statut detecte sur un ou plusieurs sites

Bonjour,

Des changements de statut ont ete detectes sur un ou plusieurs sites de suivi des analyses biotoxines.

Vous pouvez consulter le detail et l'etat actualise des sites a l'adresse suivante :

Voir la plateforme des analyses
Changements detectes
{''.join(change_cards)}

Cordialement,

Plateforme Analyses Medithau
Message automatique, merci de ne pas repondre a cet e-mail.
""".strip() message = MIMEMultipart("alternative") message["Subject"] = subject message["From"] = alert_from message["To"] = ", ".join(recipients) message["Date"] = formatdate(localtime=True) message["Message-ID"] = make_msgid(domain=alert_from.split("@")[-1] if "@" in alert_from else "localhost") message.attach(MIMEText("\n".join(lines), "plain", "utf-8")) message.attach(MIMEText(html_body, "html", "utf-8")) try: if smtp_port == 465: with smtplib.SMTP_SSL(smtp_host, smtp_port) as smtp: if smtp_user: smtp.login(smtp_user, smtp_password) smtp.sendmail(alert_from, recipients, message.as_string()) else: with smtplib.SMTP(smtp_host, smtp_port) as smtp: smtp.ehlo() smtp.starttls() smtp.ehlo() if smtp_user: smtp.login(smtp_user, smtp_password) smtp.sendmail(alert_from, recipients, message.as_string()) logger.info( "Alerte email envoyee a %s (%d changement(s))", ", ".join(recipients), count, ) except Exception as exc: logger.error("Erreur lors de l'envoi de l'alerte email : %s", exc)