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# frozen_string_literal: true
module DesignManagement
class MoveDesignsService < DesignService
# @param user [User] The current user
# @param [Hash] params
# @option params [DesignManagement::Design] :current_design
# @option params [DesignManagement::Design] :previous_design (nil)
# @option params [DesignManagement::Design] :next_design (nil)
def initialize(user, params)
super(nil, user, params.merge(issue: nil))
end
def execute
return error(:no_focus) unless current_design.present?
return error(:cannot_move) unless current_user.can?(:move_design, current_design)
return error(:no_neighbors) unless neighbors.present?
return error(:not_distinct) unless all_distinct?
return error(:not_adjacent) if any_in_gap?
return error(:not_same_issue) unless all_same_issue?
move_nulls_to_end
current_design.move_between(previous_design, next_design)
current_design.save!
success
end
def error(message)
ServiceResponse.error(message: message)
end
def success
ServiceResponse.success
end
private
delegate :issue, :project, to: :current_design
def move_nulls_to_end
moved_records = current_design.class.move_nulls_to_end(issue.designs.in_creation_order)
return if moved_records == 0
current_design.reset
next_design&.reset
previous_design&.reset
end
def neighbors
[previous_design, next_design].compact
end
def all_distinct?
ids.uniq.size == ids.size
end
def any_in_gap?
return false unless previous_design&.relative_position && next_design&.relative_position
!previous_design.immediately_before?(next_design)
end
def all_same_issue?
issue.designs.id_in(ids).count == ids.size
end
def ids
@ids ||= [current_design, *neighbors].map(&:id)
end
def current_design
params[:current_design]
end
def previous_design
params[:previous_design]
end
def next_design
params[:next_design]
end
end
end
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