Manuel Bustillo
8c12884212
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39 lines
961 B
Ruby
39 lines
961 B
Ruby
# Copyright (C) 2024-2025 LibreWeddingPlanner contributors
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# frozen_string_literal: true
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module Tables
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class Swap
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private attr_reader :initial_solution
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def initialize(initial_solution)
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@initial_solution = initial_solution
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end
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def each
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@initial_solution.tables.combination(2) do |table_a, table_b|
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table_a.to_a.product(table_b.to_a).each do |(person_a, person_b)|
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original_discomfort_a = table_a.reset
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original_discomfort_b = table_b.reset
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table_a.delete(person_a)
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table_b.delete(person_b)
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table_a << person_b
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table_b << person_a
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yield(@initial_solution)
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ensure
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table_a.delete(person_b)
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table_b.delete(person_a)
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table_a << person_a
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table_b << person_b
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table_a.discomfort = original_discomfort_a
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table_b.discomfort = original_discomfort_b
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end
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end
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end
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end
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end
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