Use Cases

USE CASE #1: Advanced Search

Description : This Use case describes how users/guests search meals.
Actors : Any user
Goal : To search meals with some filtering options.
Precondition : The user should be on advanced search page.

Steps :

• User/Guest will enter a text into keyword field,
• Guest will enter included and excluded ingredients,
• Guest will select from checkboxes if they have a diet,
• Registered users will change their default preferences about ingredients and diet,
• User/Guest will enter minimum and maximum values on calorie, protein, carbohydrate and fat amounts if they want,
• User/Guest will click on search button,
• The system will show meals that fit search options as results on top
• The system will show meals that are semantically related with results below results

Postcondition :

• If actor is a registered user, search options are saved to the user's history

USE CASE #2

LOGIN :

Description : This Use case describes how registered user get login into the system.
Actors : Any user
Goal : The registered user logs in to authenticate his or her role in the system.
Precondition : A user account has been created for the user before.

Postconditions :

• If email and password both entered correct, user will be logged in to the system, and can access his or her profile.
• If any of email or password doesn't match, user will be notified that entered email or password is wrong and system state us unchanged.