added mail subscriber function, confirm missing

frontend.py

@@ -96,6 +96,8 @@ def display_mail_page(city, user):
 @post('/city/mail/submit/<city>')
 def subscribe_mail(user, city):
     email = request.forms['mailaddress']
+    # add confirmation mail workflow
+    user.add_subscriber(email)
     redirect('/city/' + city)
 
 

user.py

@@ -156,6 +156,9 @@ schlitz
                    (self.uid,))
         return db.cur.fetchone()[0]
 
+    def add_subscriber(self, email):
+        db.execute("INSERT INTO mailinglist(user_id, email, active VALUES(?, ?, ?);", (self.uid, email, 1))
+
     def set_badwords(self, words):
         db.execute("UPDATE badwords SET words = ? WHERE user_id = ?;",
                    (words, self.uid))