What is the name of this comedy romance movie?

In the movie there is a guy who works at a video rental store.  There is a regular female  customer that he likes who always buys x-rated movies.

She usually rushes in and gets the videos and rushes back out.  He tries to make conversation with her but she is not very friendly.

He finds out where she lives and goes to her apartment,where you have to punch in a code to get in.  He manages to get into the building and find her apartment but she doesn't want him to come in.  He hangs outside her door and eventually she lets him come in and stay as long as no sex is involved.

He tries to get her interested in having a sexual relationship but this makes her upset.

At the end of the movie it's revealed that her father sexually abused her as a child and he got her the apartment and car and gave her money to bribe her.  She stands up to her father and realizes that she wants to be with the guy from the video store.