Access control

I’m new with WordPress, so my knowledge is small.

A friend of mine has a website for photostudio.
Now she wants to make pages with personal pages where they can login to. On this page they can see there own pictures and select the ones they want to order. To reach this page the users will receive a link, username and password. For this a databse needs to be made I guess.

The pages themselves I would like to generate automatically.

Does somebody has a tip how to make this working? Which plugins can be used?