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increment_version_service.rb « ml « services « app - gitlab.com/gitlab-org/gitlab-foss.git - Unnamed repository; edit this file 'description' to name the repository.
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# frozen_string_literal: true

module Ml
  INITIAL_VERSION = '1.0.0'
  ALLOWED_INCREMENT_TYPES = [:patch, :minor, :major].freeze

  class IncrementVersionService
    def initialize(version, increment_type = nil)
      @version = version
      @increment_type = increment_type || :major
      @parsed_version = Packages::SemVer.parse(@version.to_s)

      raise "Version must be in a valid SemVer format" unless @parsed_version || @version.nil?

      return if ALLOWED_INCREMENT_TYPES.include?(@increment_type)

      raise "Increment type must be one of :patch, :minor, or :major"
    end

    def execute
      return INITIAL_VERSION if @version.nil?

      case @increment_type
      when :patch
        @parsed_version.patch += 1
      when :minor
        @parsed_version.minor += 1
      when :major
        @parsed_version.major += 1
      end

      @parsed_version.to_s
    end
  end
end