Cooking app

In this exercise applicant should implement a new feature into an existing sample app.

Sample application

A simple application with three screens.

• Recipes screen - a screen that loads and displays a list of cooking recipes. Cooking recipes have three difficulties easy, normal and hard.
• Recipe screen - a screen that displays recipe, photo and allows user to mark this recipe as prepared. When user marks recipe as prepared, he specifies if he was successful or not.
• Attempted recipes screen - a screen that shows recipes that the user has already tried to prepare.

A link to the sample application https://gitlab.ito.lt/jobs/ios-exercise.

Requirements

1. Fix a crash in attempted recipes screen. 1 point
2. Implement table view sections for recipes based on their difficulty. 3 points
3. Implement cooking recommendations feature into the application. 5 points

Cooking recommendations feature

• There should be a button in the application that shows a recommended recipe to the user when clicked;
• Application should select a recommended recipe based on these criteria:
  • If use has never tried any recipe before, app should recommend one of the low difficulty recipes;
  • If user has prepared any recipes before, app should determine his skill level based on the last several tries and recommend a recipe that matches user's skill level.

Some recommendations for the exercise

• Do it as a task in a real project;
• Use design patterns if you think you need to;
• Unit test if you think you need to;
• Write comments if you think you need to;