pulibrary / orangelight / 0e37073d-109c-440c-949f-49d2aa86311b

require 'faraday'

module Requests

  class ClancyItem

    attr_reader :clancy_conn, :api_key, :barcode, :errors

    def initialize(barcode: nil, connection: Faraday.new(url: Requests.config[:clancy_base]))

      @clancy_conn = connection

      @api_key = Requests.config[:clancy_api_key]

      @barcode = barcode

      @errors = []

    end

    def status

      @status ||= load_clancy_status

    end

    def not_at_clancy?

      return true unless status["success"]

      "Item not Found" == status["status"] || status["status"].include?("Deaccessioned")

    end

    def at_clancy?

      !not_at_clancy?

    end

    def available?

      return false unless status["success"]

      ["Item In at Rest"].include?(status["status"]) # assuming there may be more than one available statuses

    end

    def request?(hold_id:, patron:, location: 'MQ')

      response = request_item(hold_id:, patron:, location:)

      return false unless response["success"]

      request_response = response["results"].first

      if request_response["deny"] == "N"

        true

      else

        errors << request_response["istatus"]

        false

      end

    end

    private

      def load_clancy_status

        return empty_status if barcode.blank?

        response = get_clancy(url: "itemstatus/v1/#{barcode}")

        if response.success?

          JSON.parse(response.body)

        else

          errors << "Error connecting with Clancy: #{response.status}"

          empty_status

        end

      end

      def get_clancy(url:)

        clancy_conn.get do |req|

          req.url url

          req.headers['Content-Type'] = 'application/json'

          req.headers['Accept'] = 'application/json'

          req.headers['X-API-Key'] = api_key

        end

      end

      def post_clancy(url:, body:)

        clancy_conn.post do |req|

          req.url url

          req.headers['Content-Type'] = 'application/json'

          req.headers['Accept'] = 'application/json'

          req.headers['X-API-Key'] = api_key

          req.body = body

        end

      end

      def empty_status

        { "success" => false }

      end

      def request_item(location:, hold_id:, patron:, request_type: "PYR")

        body = { "requests": [{ "request_id": hold_id, "request_type": request_type, "barcode": barcode, "stop": location, "requestor": "#{patron.first_name} #{patron.last_name}", "patron_id": patron.university_id }] }

        response = post_clancy(url: "circrequests/v1", body: body.to_json)

        if response.success?

          JSON.parse(response.body)

        else

          errors << "Error connecting with Clancy: #{response.status}"

          empty_status

        end

      end

  end

end