Use Cases

Use Case	Register user account
Precondition	The user must not have an account.
Sequence	Step	Action
	1	The user accesses the register form using the register button.
	2	The user submits the form with the required information.
	3	The system validates the received data, it ensures that the email does not exits in the database.
	4	The system creates the user account.
Postconditions	The user account is now created and stored in the database. Also, the user is now logged in to the system and can now access gated actions, like writing a review or adding a new movie.

Use Case	Login user
Precondition	The user must have a valid account.
Sequence	Step	Action
	1	The user accesses the the login form using the login button
	2	The user inputs their account's credentials and submits the form.
	3	The system validates the received credentials.
	4	The system authenticates the user.
Postconditions	The user is now logged in to the system and can now access gated actions, like writing a review or adding a new movie.

Use Case	Browse movie catalogue
Precondition	Any user can perform this actions, no preconditions required.
Sequence	Step	Action
	1	The user enters the movie catalogue section of the website.
	2	The system returns the list of stored movies.
	3	The user’s web browser receives the data and displays the movies in a list.
Postconditions	The user is able to browse through the catalogue of movies and access each movie's respective reviews.

Use Case	Browse reviews from a movie
Precondition	Any user can perform this actions, no preconditions required.
Sequence	Step	Action
	1	The user selects a movie from the movie catalogue.
	2	The system returns the list of reviews from that movie.
	3	The user’s web browser receives the data and displays the reviews in a list.
Postconditions	The user can navigate through the reviews from that particular movie.

Use Case	Rate and review movie
Precondition	The user must be logged in.
Sequence	Step	Action
	1	The user selects a movie from the movie catalogue and clicks the review button.
	2	The user is presented with a form where they must rate the movie. If they want, they can write a review for it.
	3	The user submits the form.
	4	The system receives the data and add the rating and review to its respective databases.
Postconditions	The ratings and reviews are attributed to the user that created them. Also, they are publicly available on the movie's page.