116 lines
2.8 KiB
Ruby
116 lines
2.8 KiB
Ruby
# frozen_string_literal: true
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module ResolvableDiscussion
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extend ActiveSupport::Concern
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include ::Gitlab::Utils::StrongMemoize
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included do
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# A number of properties of this `Discussion`, like `first_note` and `resolvable?`, are memoized.
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# When this discussion is resolved or unresolved, the values of these properties potentially change.
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# To make sure all memoized values are reset when this happens, `update` resets all instance variables with names in
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# `memoized_variables`. If you add a memoized method in `ResolvableDiscussion` or any `Discussion` subclass,
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# please make sure the instance variable name is added to `memoized_values`, like below.
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cattr_accessor :memoized_values, instance_accessor: false do
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[]
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end
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memoized_values.push(
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:resolvable,
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:resolved,
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:first_note,
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:first_note_to_resolve,
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:last_resolved_note,
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:last_note
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)
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delegate :potentially_resolvable?,
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:noteable_id,
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:noteable_type,
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to: :first_note
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delegate :resolved_at,
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:resolved_by,
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:resolved_by_push?,
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to: :last_resolved_note,
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allow_nil: true
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end
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def resolvable?
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strong_memoize(:resolvable) do
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potentially_resolvable? && notes.any?(&:resolvable?)
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end
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end
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def resolved?
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strong_memoize(:resolved) do
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resolvable? && notes.none?(&:to_be_resolved?)
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end
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end
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def first_note
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strong_memoize(:first_note) do
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notes.first
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end
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end
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def first_note_to_resolve
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return unless resolvable?
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strong_memoize(:first_note_to_resolve) do
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notes.find(&:to_be_resolved?)
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end
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end
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def last_resolved_note
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return unless resolved?
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strong_memoize(:last_resolved_note) do
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resolved_notes.max_by(&:resolved_at)
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end
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end
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def resolved_notes
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notes.select(&:resolved?)
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end
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def to_be_resolved?
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resolvable? && !resolved?
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end
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def can_resolve?(current_user)
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return false unless current_user
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return false unless resolvable?
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current_user == self.noteable.try(:author) ||
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current_user.can?(:resolve_note, self.project)
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end
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def resolve!(current_user)
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return unless resolvable?
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update { |notes| notes.resolve!(current_user) }
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end
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def unresolve!
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return unless resolvable?
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update { |notes| notes.unresolve! }
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end
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private
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def update
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# Do not select `Note.resolvable`, so that system notes remain in the collection
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notes_relation = Note.where(id: notes.map(&:id))
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yield(notes_relation)
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# Set the notes array to the updated notes
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@notes = notes_relation.fresh.to_a # rubocop:disable Gitlab/ModuleWithInstanceVariables
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self.class.memoized_values.each do |name|
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clear_memoization(name)
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end
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end
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end
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