Initial commit: InviteMe event registration app

app/services/email_service.py

@@ -0,0 +1,60 @@
+import smtplib
+from email.mime.multipart import MIMEMultipart
+from email.mime.text import MIMEText
+from email.mime.image import MIMEImage
+from email.utils import formataddr
+from pathlib import Path
+from flask import current_app, render_template
+
+
+def send_invitation(guest, event_name="Корпоратив", additional_text=""):
+    """Отправляет приглашение гостю на email с QR-кодом во вложении."""
+    config = current_app.config
+
+    msg = MIMEMultipart("related")
+    msg["Subject"] = f"Приглашение на мероприятие: {event_name}"
+    msg["From"] = formataddr(("InviteMe", config.get("MAIL_DEFAULT_SENDER", config["MAIL_USERNAME"])))
+    msg["To"] = guest.email
+
+    # HTML-шаблон письма
+    html_body = render_template(
+        "email/invitation.html",
+        guest=guest,
+        event_name=event_name,
+        additional_text=additional_text,
+        qr_cid="qr_code_image",
+    )
+
+    msg.attach(MIMEText(html_body, "html", "utf-8"))
+
+    # Прикрепляем QR-код
+    qr_path = Path(config["QR_FOLDER"]) / guest.qr_filename
+    if qr_path.exists():
+        with open(qr_path, "rb") as img_file:
+            img = MIMEImage(img_file.read())
+            img.add_header("Content-ID", "<qr_code_image>")
+            img.add_header("Content-Disposition", "inline", filename=guest.qr_filename)
+            msg.attach(img)
+
+    # Отправка через SMTP
+    server = config["MAIL_SERVER"]
+    port = config["MAIL_PORT"]
+    username = config["MAIL_USERNAME"]
+    password = config["MAIL_PASSWORD"]
+    use_ssl = config.get("MAIL_USE_SSL", True)
+
+    if not username or not password:
+        raise ValueError("MAIL_USERNAME и MAIL_PASSWORD должны быть указаны в конфигурации")
+
+    if use_ssl:
+        with smtplib.SMTP_SSL(server, port) as smtp:
+            smtp.login(username, password)
+            smtp.send_message(msg)
+    else:
+        with smtplib.SMTP(server, port) as smtp:
+            smtp.starttls()
+            smtp.login(username, password)
+            smtp.send_message(msg)
+
+    guest.invitation_sent = True
+    return True