Add demo email sending script

Author: orenvr

src/emailservice/send_demo.py

@@ -0,0 +1,26 @@
+import os
+import sys
+import smtplib
+from mail_helpers import build_order_confirmation_email
+
+def main(argv=None):
+    argv = argv or sys.argv[1:]
+    if len(argv) < 3:
+        print("Usage: python -m emailservice.send_demo <name> <email> <order_id>")
+        sys.exit(2)
+
+    name, email, order_id = argv[0], argv[1], argv[2]
+    body = f"Hello {name},\n\nThis is a demo confirmation for order #{order_id}.\n- Hipster Shop\n"
+
+    msg = build_order_confirmation_email(name, email, order_id, body)
+
+    host = os.getenv("SMTP_HOST", "localhost")
+    port = int(os.getenv("SMTP_PORT", "1025"))
+
+    with smtplib.SMTP(host, port) as s:
+        s.send_message(msg)
+
+    print(f"Sent demo confirmation for order #{order_id} to {email}")
+
+if __name__ == "__main__":
+    main()