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module Boards
module Lists
class DestroyService < BaseService
def execute(list)
return false unless list.destroyable?
@board = list.board
list.with_lock do
decrement_higher_lists(list)
remove_list(list)
end
end
private
attr_reader :board
def decrement_higher_lists(list)
board.lists.movable.where('position > ?', list.position)
.update_all('position = position - 1')
end
def remove_list(list)
list.destroy
end
end
end
end
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