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| == About Expertiza ==
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| Expertiza is a Ruby on Rails based Open Source project. It is a collaboration tool which lets users with different roles (student, instructor, teaching assistant) to collaborate on a course in an institution. A collaboration could be for an assignment where students teams up for an assignment and instructors grades them on the basis of their submission. Students could review other's works and give feedbacks as well.
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| '''Github link'''
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| https://github.com/expertiza/expertiza
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| '''Wiki link'''
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| http://wiki.expertiza.ncsu.edu/index.php/Expertiza_documentation
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| == Problem Statement ==
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| '''Background'''
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| response.rb is the default class to interact with the responses table, which stores all answers of each questionnaire.
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| '''What’s wrong with it?'''
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| response.rb is a fairly complex file. It contains a lot of methods that are long and hard to understand. These methods need to be broken down into simpler and more specific methods that are easier to read/understand. Also, the few instances of code duplication that exist should be removed.
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| '''Problems'''
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| ''Problem 1:Refactor display_as_html method''
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| Write failing tests first
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| Split into several simpler methods and assign reasonable names
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| Extract duplicated code into separate methods
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| ''Problem 2:Refactor self.get_volume_of_review_comments method''
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| Write failing tests first
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| Convert duplicated code into loop
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| ''Problem 3:Rename method and change all other places it is used''
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| Write failing tests first
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| get_total_score → total_score
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| get_average_score → average_score
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| get_maximum_score → maximum_score
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| ''Problem 4:Use sort_by(&:seq) instead of sort { |a, b| a.seq <=> b.seq }''
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| Write failing tests first
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| ''Problem 5:Use find_by instead of where.first''
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| Write failing tests first
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| ''Problem 6:Complete the pending tests in grades_controller_spec.rb, and write integration tests for newly-created methods. Refactor corresponding methods, and only then finish pending tests.''
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| '''Issue links (external)'''
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| https://github.com/expertiza/expertiza/issues/720
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| https://github.com/expertiza/expertiza/issues/732
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