after sent email if recipient not in contacts then add contact with first_name and last_name

[sourav]

ok guys i have struggling a lot for this solution but no luck

i created a email app with user.auth, profile and message app which works fine.what i need is now i created another app which named as Contacts.
Now what is after sending a message if recipeint not in Contacts then add contacts page will appear with recipeint(email) and first_name and last_name.


i have user auth models with email and password,

any help??