markup: special email for no matched products

markup/email.py

@@ -31,6 +31,16 @@ Thanks,
 ProCatalog Markup Bot
 """
 
+body_no_matches = """Hi,
+
+I couldn't find any products marked in your pdf.  Make sure you're
+using a ProCatalog pdf and that you've circled or otherwise scribbled
+over some material images or SKUs before submitting.
+
+Thanks,
+ProCatalog Markup Bot
+"""
+
 
 def reply(frm, subj, xls_path, pdf_path):
     msg = EmailMessage()
@@ -57,6 +67,12 @@ def reply_missing(frm, subj):
     send(frm, subj, msg)
 
 
+def reply_no_matches(frm, subj):
+    msg = EmailMessage()
+    msg.set_content(body_no_matches)
+    send(frm, subj, msg)
+
+
 def send(frm, subj, msg):
     msg['From'] = 'Keen ProCatalog Markup Bot <support@procatalog.io>'
     msg['To'] = frm