added announcement for hard workout

rowers/tasks.py

@@ -139,6 +139,40 @@ def handle_sendemail_breakthrough(workoutid,useremail,
     # remove tcx file
     return 1
 
+# send email when a breakthrough workout is uploaded
+@app.task
+def handle_sendemail_hard(workoutid,useremail,
+                                  userfirstname,userlastname,
+                                  btvalues = pd.DataFrame().to_json()):
+
+    # send email with attachment
+    subject = "That was a pretty hard workout on rowsandall.com"
+    message = "Dear "+userfirstname+",\n"
+    message += "Congratulations! Your recent workout has been analyzed"
+    message += " by Rowsandall.com and it appears that it was pretty hard work."
+    message += " You were working pretty close to your Critical Power\n\n"
+    message += " Critical Power (CP) is the power that you can "
+    message += "sustain for a given duration. For more, see this "
+    message += " article in the analytics blog:\n\n"
+    message += " http://analytics.rowsandall.com/2017/06/17/how-do-we-calculate-critical-power/ \n\n"
+    message += "Link to the workout http://rowsandall.com/rowers/workout/"
+    message += str(workoutid)
+    message +="/edit\n\n"
+
+    message += "To opt out of these email notifications, deselect the checkbox on your Profile page under Account Information.\n\n"
+
+    message += "Best Regards, the Rowsandall Team"
+
+    email = EmailMessage(subject, message,
+			 'Rowsandall <info@rowsandall.com>',
+			 [useremail])
+			 
+
+    res = email.send()
+
+    # remove tcx file
+    return 1
+
 
 # send email to me when an unrecognized file is uploaded
 @app.task