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module Boards
module Lists
class CreateService < Boards::BaseService
def execute(board)
List.transaction do
label = available_labels_for(board).find(params[:label_id])
position = next_position(board)
create_list(board, label, position)
end
end
private
def available_labels_for(board)
if board.group_board?
parent.labels
else
LabelsFinder.new(current_user, project_id: parent.id).execute
end
end
def next_position(board)
max_position = board.lists.movable.maximum(:position)
max_position.nil? ? 0 : max_position.succ
end
def create_list(board, label, position)
board.lists.create(label: label, list_type: :label, position: position)
end
end
end
end
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