150 lines
4.0 KiB
Ruby
150 lines
4.0 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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module Graphql
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class Deprecation
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REASON_RENAMED = :renamed
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REASON_ALPHA = :alpha
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REASONS = {
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REASON_RENAMED => 'This was renamed.',
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REASON_ALPHA => 'This feature is in Alpha. It can be changed or removed at any time.'
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}.freeze
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include ActiveModel::Validations
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validates :milestone, presence: true, format: { with: /\A\d+\.\d+\z/, message: 'must be milestone-ish' }
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validates :reason, presence: true
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validates :reason,
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format: { with: /.*[^.]\z/, message: 'must not end with a period' },
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if: :reason_is_string?
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validate :milestone_is_string
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validate :reason_known_or_string
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def self.parse(alpha: nil, deprecated: nil)
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options = alpha || deprecated
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return unless options
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if alpha
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raise ArgumentError, '`alpha` and `deprecated` arguments cannot be passed at the same time' \
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if deprecated
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options[:reason] = :alpha
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end
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new(**options)
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end
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def initialize(reason: nil, milestone: nil, replacement: nil)
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@reason = reason.presence
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@milestone = milestone.presence
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@replacement = replacement.presence
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end
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def ==(other)
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return false unless other.is_a?(self.class)
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[reason_text, milestone, replacement] == [:reason_text, :milestone, :replacement].map do |attr|
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other.send(attr) # rubocop: disable GitlabSecurity/PublicSend
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end
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end
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alias_method :eql, :==
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def markdown(context: :inline)
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parts = [
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"#{changed_in_milestone(format: :markdown)}.",
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reason_text,
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replacement_markdown.then { |r| "Use: #{r}." if r }
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].compact
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case context
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when :block
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['WARNING:', *parts].join("\n")
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when :inline
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parts.join(' ')
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end
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end
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def replacement_markdown
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return unless replacement.present?
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return "`#{replacement}`" unless replacement.include?('.') # only fully qualified references can be linked
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"[`#{replacement}`](##{replacement.downcase.tr('.', '')})"
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end
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def edit_description(original_description)
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@original_description = original_description
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return unless original_description
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original_description + description_suffix
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end
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def original_description
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return unless @original_description
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return @original_description if @original_description.ends_with?('.')
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"#{@original_description}."
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end
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def deprecation_reason
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[
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reason_text,
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replacement && "Please use `#{replacement}`.",
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"#{changed_in_milestone}."
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].compact.join(' ')
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end
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def alpha?
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reason == REASON_ALPHA
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end
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private
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attr_reader :reason, :milestone, :replacement
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def milestone_is_string
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return if milestone.is_a?(String)
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errors.add(:milestone, 'must be a string')
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end
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def reason_known_or_string
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return if REASONS.key?(reason)
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return if reason_is_string?
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errors.add(:reason, 'must be a known reason or a string')
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end
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def reason_is_string?
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reason.is_a?(String)
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end
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def reason_text
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@reason_text ||= REASONS[reason] || "#{reason.to_s.strip}."
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end
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def description_suffix
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" #{changed_in_milestone}: #{reason_text}"
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end
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# Returns 'Deprecated in <milestone>' for proper deprecations.
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# Retruns 'Introduced in <milestone>' for :alpha deprecations.
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# Formatted to markdown or plain format.
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def changed_in_milestone(format: :plain)
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verb = if alpha?
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'Introduced'
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else
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'Deprecated'
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end
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case format
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when :plain
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"#{verb} in #{milestone}"
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when :markdown
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"**#{verb}** in #{milestone}"
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end
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end
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end
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end
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end
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