Is their a course I should try to learn before this?

Answer 1

You're in the right place.
You could practice the examples, and you have a nice community for help.
Swift programming guide is awsome.
I am reading it jumping from chapter to chapter based on Sololearn spp structure.
Enjoy.

Answer 2

It could be nice for a total beginner, practising the contents in Xcode definately helps understanding

Answer 3

thanks Aoli and abdelkader