markup: first email code

markup/email.py

@@ -0,0 +1,72 @@
+import sys
+import string
+import random
+import smtplib
+from pathlib import Path
+from mailbox import Maildir
+from email.message import EmailMessage
+
+import logging
+log = logging.getLogger(__name__)
+
+
+body_ok = """Hi,
+
+Attached is a spreadsheet with the articles you marked up in the
+catalog.
+
+Enjoy,
+ProCatalog Markup Bot
+"""
+
+body_missing = """Hi,
+
+I couldn't find a pdf attached to your message.  I can't do much
+without a marked up catalog pdf, so please include that when you try
+again.
+
+Thanks,
+ProCatalog Markup Bot
+"""
+
+
+def reply(frm, subj, xls_path):
+    msg = EmailMessage()
+    msg.set_content(body_ok)
+
+    with open(xls_path, 'rb') as fp:
+        msg.add_attachment(fp.read(),
+                           maintype='application',
+                           subtype='vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+                           filename=Path(xls_path).name)
+
+    send(frm, subj, msg)
+
+
+def reply_missing(frm, subj):
+    msg = EmailMessage()
+    msg.set_content(body_missing)
+    send(frm, subj, msg)
+
+
+def send(frm, subj, msg):
+    msg['From'] = 'Keen ProCatalog Markup Bot <support@procatalog.io>'
+    msg['To'] = frm
+    msg['Bcc'] = 'alx-markup@procatalog.io'
+    msg['Subject'] = f'Re: {subj}'
+    msg['Message-ID'] = msgid()
+
+    maildir = Maildir('/tmp/markup_submit_mail')
+    maildir.add(msg)
+
+    log.info(f'sending email to "{frm}": {subj}')
+
+    with smtplib.SMTP('mail.mk.int') as s:
+        s.starttls()
+        s.login('remotevm', '5gW311IOs')
+        s.send_message(msg)
+
+
+def msgid():
+    rand = ''.join(random.choices(string.ascii_uppercase + string.ascii_lowercase + string.digits, k=16))
+    return f'<{rand}@markup.procatalog.io>'