March 7 - Build a Progress Tracking Class in Ruby
This guide walks through how to implement a progress tracking class in Ruby that can update a user's progress and dynamically update the overall percent completed.
Guide Tasks
- Read Tutorial
- Watch Guide Video
- Complete the Exercise
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Summary
Implement a class that tracks a user's completion percentage and dynamically allows a user to update it.
Exercise Description
Build a class that tracks the completed percentage of a course for a student, and when the student marks a task complete, the class should update the percent complete to reflect the updated value.
Example Workflow
c = Completion.new(number_of_guides: 100, total_completed: 55) c.completed_percentage # => 0.55 c.mark_complete c.completed_percentage # => 0.56
Real World Usage
Tracking progress and dynamically updating values is a common process in Ruby development. This exercise will test your ability to build a class, work with data in the class, and generate different outcomes based on method calls.