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# frozen_string_literal: true
module Gitlab
module RelativePositioning
STEPS = 10
IDEAL_DISTANCE = 2**(STEPS - 1) + 1
MIN_POSITION = Gitlab::Database::MIN_INT_VALUE
START_POSITION = 0
MAX_POSITION = Gitlab::Database::MAX_INT_VALUE
MAX_GAP = IDEAL_DISTANCE * 2
MIN_GAP = 2
NoSpaceLeft = Class.new(StandardError)
InvalidPosition = Class.new(StandardError)
IllegalRange = Class.new(ArgumentError)
IssuePositioningDisabled = Class.new(StandardError)
def self.range(lhs, rhs)
if lhs && rhs
ClosedRange.new(lhs, rhs)
elsif lhs
StartingFrom.new(lhs)
elsif rhs
EndingAt.new(rhs)
else
raise IllegalRange, 'One of rhs or lhs must be provided' unless lhs && rhs
end
end
end
end
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