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An Object-Oriented Solution#5

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Commits on Oct 27, 2021

• Wrap item struct in a decorator to give us a place to hang behavior.

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• Extract decrement quality behavior to ItemDecorator.

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• Extract increment quality behavior to ItemDecorator.

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• Extract decrement sell-in behavior to ItemDecorator.

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• Extract behavior for zeroing out quality to ItemDecorator.

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Commits on Oct 28, 2021

• Moved quality guard clauses into ItemDecorator.

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• Restructure conditionals into flatter case statement.

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• Consolidate case statements to capture type differentiation.

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• Move conditional into ItemDecorator#update method.

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• Make internal methods for ItemDecorator private.

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• Isolate Aged Brie's update logic into subclass.

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• Isolate Backstage Pass' update logic into subclass.

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• Isolate Legendary item update logic into subclass and clean up normal item update logic.

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• Inlined guard clauses for Backstage Pass' update method.

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• Isolate factory behavior in ItemDecorator.decorate class method.

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• Introduce Conjured items into the Gilded Rose.

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• Fix issue with SimpleDelegator inclusion for Ruby 2.7+

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