92 lines
2.6 KiB
Ruby
92 lines
2.6 KiB
Ruby
# frozen_string_literal: true
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module Gitlab
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# Extract possible GFM references from an arbitrary String for further processing.
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class ReferenceExtractor < Banzai::ReferenceExtractor
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REFERABLES = %i(user issue label milestone mentioned_user mentioned_group mentioned_project
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merge_request snippet commit commit_range directly_addressed_user epic iteration vulnerability).freeze
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attr_accessor :project, :current_user, :author
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def initialize(project, current_user = nil)
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@project = project
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@current_user = current_user
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@references = {}
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super()
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end
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def analyze(text, context = {})
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super(text, context.merge(project: project))
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end
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def references(type, ids_only: false)
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refs = super(type, project, current_user, ids_only: ids_only)
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update_visible_nodes_set(refs[:nodes], refs[:visible_nodes])
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refs[:visible]
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end
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# this method is stateful, it tracks if all nodes from `references`
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# calls are visible or not
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def all_visible?
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not_visible_nodes.empty?
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end
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def reset_memoized_values
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@references = {}
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super()
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end
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REFERABLES.each do |type|
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define_method(type.to_s.pluralize) do
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@references[type] ||= references(type)
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end
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next unless %w(mentioned_user mentioned_group mentioned_project).include?(type.to_s)
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define_method("#{type}_ids") do
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@references[type] ||= references(type, ids_only: true)
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end
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end
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def issues
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if project&.external_references_supported?
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if project.issues_enabled?
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@references[:all_issues] ||= references(:external_issue) + references(:issue)
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else
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@references[:external_issue] ||= references(:external_issue) +
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references(:issue).select { |i| i.project_id != project.id }
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end
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else
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@references[:issue] ||= references(:issue)
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end
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end
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def all
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REFERABLES.each { |referable| send(referable.to_s.pluralize) } # rubocop:disable GitlabSecurity/PublicSend
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@references.values.flatten
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end
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def self.references_pattern
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return @pattern if @pattern
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patterns = REFERABLES.map do |type|
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Banzai::ReferenceParser[type].reference_type.to_s.classify.constantize.try(:reference_pattern)
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end.uniq
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@pattern = Regexp.union(patterns.compact)
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end
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private
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def update_visible_nodes_set(all, visible)
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not_visible_nodes.merge(all)
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not_visible_nodes.subtract(visible)
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end
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def not_visible_nodes
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@not_visible_nodes ||= Set.new
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end
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end
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end
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