grokify / versionone-sdk-ruby

require 'nokogiri'

require 'versionone_sdk/asset'

module VersiononeSdk

  class ParserXmlAssets

    def initialize(dOptions={})

      @sUrl = dOptions.key?(:url) ? dOptions[:url] : ''

    end

      oXml = Nokogiri::XML::Document.parse(xAssets)

      oBlock = oXml.xpath("//Assets/Asset")

      aDocs = []

      oBlock.map do |oNodeAsset|

        oAsset = self.getJsondocForXmlAssetNode( oNodeAsset )

        unless oAsset.nil?

          aDocs.push(oAsset)

        end

      end

      return aDocs

    def getDocForAssetXml(xAsset=nil)

      oXml = Nokogiri::XML::Document.parse(xAsset)

      oAsset = self.getJsondocForXmlAssetNode( oXml.root )

      return oAsset

    end

    def getJsondocForXmlAssetNode(oNodeAsset=nil)

      if oNodeAsset.nil?

        raise RuntimeError, 'E_NIL_NODE'

      end

      oAsset = VersiononeSdk::Asset.new

      oAsset.bIsStrict = false

      sOidtokSrc       = nil

      sObjectType      = nil

      iObjectId        = nil

      if oNodeAsset.attribute('id')

        sOidtokSrc     =  oNodeAsset.attribute('id').value

        if sOidtokSrc  =~ /^(.+):([0-9]+)$/

          sObjectType  =  $1

          iObjectId    =  $2.to_i

          oAsset.setProp(:_sObjectDomain__id,'Versionone')

          oAsset.setProp(:_sObjectType__id,sObjectType)

          oAsset.setProp(:_iObjectId__id,  iObjectId)

        end

      end

      if oNodeAsset.attribute('href').value

        sUrl = @sUrl \

          ? @sUrl + oNodeAsset.attribute('href').value

          : oNodeAsset.attribute('href').value

        oAsset.setProp(:_sObjectUrl__id,sUrl)

      end

      oNodeAsset.children.each do |oNodeChild|

        if oNodeChild.name == 'Attribute' || oNodeChild.name == 'Relation'

          if oNodeChild.attribute('name')

            yPropKey = oNodeChild.attribute('name').to_s.to_sym

            xxPropVal = getAssetNodeChildPropVal( oNodeChild )

            oAsset.setProp(yPropKey,xxPropVal)

          end

        elsif oNodeChild.name == 'Message' && oNodeChild.text == 'Not Found'

          raise RuntimeError, "E_ASSET_NOT_FOUND #{oNodeAsset.attribute('href').value}"

        else

          raise RuntimeError, "E_UNKNOWN_ASSET_NODE_NAME #{oNodeChild.name}"

        end

      end

      oAsset.inflate

      return oAsset

    end

    def getAssetNodeChildPropVal(oNodeChild=nil)

      xxPropVal = nil

      aPropVals = []

      if oNodeChild.children.length > 0

        oNodeChild.children.each do |oNodeChildGrand|

          dAttributes = oNodeChildGrand.attributes

          xxPropVal   = dAttributes.key?('idref')    \

            ? oNodeChildGrand.attribute('idref').value \

            : oNodeChildGrand.text

          xxPropVal = nil if xxPropVal == ''

          aPropVals.push(xxPropVal)

        end

        if aPropVals.length > 1

          xxPropVal = aPropVals

        elsif aPropVals.length == 1

          xxPropVal == aPropVals[0]

        else

          xxPropVal = nil

        end

      else

        xxPropVal = oNodeChild.text

      end

      xxPropVal = nil if xxPropVal == ''

      return xxPropVal

    end

  end

end