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path: root/app/services/concerns/issues/resolve_discussions.rb
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module Issues
  module ResolveDiscussions
    attr_reader :merge_request_to_resolve_discussions_of_iid, :discussion_to_resolve_id

    def filter_resolve_discussion_params
      @merge_request_to_resolve_discussions_of_iid ||= params.delete(:merge_request_to_resolve_discussions_of)
      @discussion_to_resolve_id ||= params.delete(:discussion_to_resolve)
    end

    def merge_request_to_resolve_discussions_of
      return @merge_request_to_resolve_discussions_of if defined?(@merge_request_to_resolve_discussions_of)

      @merge_request_to_resolve_discussions_of = MergeRequestsFinder.new(current_user, project_id: project.id).
                                                     execute.
                                                     find_by(iid: merge_request_to_resolve_discussions_of_iid)
    end

    def discussions_to_resolve
      return [] unless merge_request_to_resolve_discussions_of

      @discussions_to_resolve ||=
        if discussion_to_resolve_id
          discussion_or_nil = merge_request_to_resolve_discussions_of
                                .find_diff_discussion(discussion_to_resolve_id)
          Array(discussion_or_nil)
        else
          merge_request_to_resolve_discussions_of
            .resolvable_discussions
        end
    end
  end
end