120 lines
2.7 KiB
Ruby
120 lines
2.7 KiB
Ruby
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# frozen_string_literal: true
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# Tuple of design and version
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# * has a composite ID, with lazy_find
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module DesignManagement
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class DesignAtVersion
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include ActiveModel::Validations
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include GlobalID::Identification
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include Gitlab::Utils::StrongMemoize
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attr_reader :version
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attr_reader :design
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validates :version, presence: true
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validates :design, presence: true
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validate :design_and_version_belong_to_the_same_issue
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validate :design_and_version_have_issue_id
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def initialize(design: nil, version: nil)
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@design, @version = design, version
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end
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def self.instantiate(attrs)
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new(attrs).tap { |obj| obj.validate! }
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end
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# The ID, needed by GraphQL types and as part of the Lazy-fetch
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# protocol, includes information about both the design and the version.
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#
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# The particular format is not interesting, and should be treated as opaque
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# by all callers.
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def id
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"#{design.id}.#{version.id}"
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end
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def ==(other)
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return false unless other && self.class == other.class
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other.id == id
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end
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alias_method :eql?, :==
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def self.lazy_find(id)
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BatchLoader.for(id).batch do |ids, callback|
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find(ids).each do |record|
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callback.call(record.id, record)
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end
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end
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end
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def self.find(ids)
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pairs = ids.map { |id| id.split('.').map(&:to_i) }
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design_ids = pairs.map(&:first).uniq
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version_ids = pairs.map(&:second).uniq
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designs = ::DesignManagement::Design
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.where(id: design_ids)
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.index_by(&:id)
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versions = ::DesignManagement::Version
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.where(id: version_ids)
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.index_by(&:id)
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pairs.map do |(design_id, version_id)|
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design = designs[design_id]
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version = versions[version_id]
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obj = new(design: design, version: version)
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obj if obj.valid?
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end.compact
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end
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def status
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if not_created_yet?
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:not_created_yet
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elsif deleted?
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:deleted
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else
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:current
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end
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end
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def deleted?
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action&.deletion?
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end
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def not_created_yet?
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action.nil?
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end
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private
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def action
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strong_memoize(:most_recent_action) do
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::DesignManagement::Action
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.most_recent.up_to_version(version)
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.find_by(design: design)
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end
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end
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def design_and_version_belong_to_the_same_issue
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id_a, id_b = [design, version].map { |obj| obj&.issue_id }
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return if id_a == id_b
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errors.add(:issue, 'must be the same on design and version')
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end
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def design_and_version_have_issue_id
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return if [design, version].all? { |obj| obj.try(:issue_id).present? }
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errors.add(:issue, 'must be present on both design and version')
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end
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end
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end
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