How to use Better PDF Exporter to export progress bars to PDF?

Set-up

• create a PDF template “epic-sum-up-tool.groovy”

  GROOVY

  import com.atlassian.jira.issue.Issue;
  import com.atlassian.jira.issue.fields.CustomField;
  import com.atlassian.jira.user.ApplicationUser;
  import com.atlassian.jira.component.ComponentAccessor
  import org.apache.commons.io.IOUtils
  import org.apache.log4j.Logger
   
   
  epicSumUp = new EpicSumUpTool()
   
  /**
   * Velocity tool to get and render Epic Sum Up progress.
   *
   * @see https://aptis.atlassian.net/wiki/spaces/ESUHC/pages/1379106862/Better+PDF+Export+Midori
   */
  class EpicSumUpTool {
      def log = Logger.getLogger(this.getClass())
   
      /**
       * Returns the Progress Object that can be used to output the text directly or render it as image
       */
     
      def getProgress(Issue issue, CustomField customField, ApplicationUser currentUser) {
          def progressProviderClass = ComponentAccessor.pluginAccessor.classLoader.loadClass("aptis.plugins.epicSumUp.api.ProgressProvider")
          def progressProvider = ComponentAccessor.getOSGiComponentInstanceOfType(progressProviderClass)
         
         
          return progressProvider.getGenericProgress(
              issue,
              customField,
              currentUser
          );
      } 
     
      /**
       * Render the given progress bar as image
       */
      def renderProgressBar(def progress) {
          if (!progress) {
              return null;
          }
          def progressBarRendererClass = ComponentAccessor.pluginAccessor.classLoader.loadClass("aptis.plugins.epicSumUp.api.ProgressBarRenderer")
          def progressBarRenderer = ComponentAccessor.getOSGiComponentInstanceOfType(progressBarRendererClass)
     
           
          def base64Image = progressBarRenderer.renderAsSvg(progress, 200, 12).bytes.encodeBase64().toString()
          return base64Image
           
      }
   
  }

• add the following code into your PDF template (issue-fo.vm)
  

  GROOVY

  ...
  ...
  ## renders custom field values
  #macro(cfValue $customField)
  	...
  	...
  	#if($customFieldValue != '') ## skips NULL, but not empty string or empty collection
  		...
  		...
  		#elseif($customFieldTypeKey == 'aptis.plugins.epicSumUp:epic-sum-up-custom-field-progress' ||
  			$customFieldTypeKey == 'aptis.plugins.epicSumUp:epic-sum-up-custom-field-time-progress' ||
  			$customFieldTypeKey == 'aptis.plugins.epicSumUp:epic-sum-up-custom-field-issue-count-progress' ||
  			$customFieldTypeKey == 'aptis.plugins.epicSumUp:epic-sum-up-custom-field-status-category-progress' ||
  			$customFieldTypeKey == 'aptis.plugins.epicSumUp:epic-sum-up-custom-field-story-points-progress')
  			$scripting.executeOnce('epic-sum-up-tool.groovy')
  			#set($progress = $epicSumUp.getProgress($issue, $customField, $user))
  			#set($progressImage = $epicSumUp.renderProgressBar($progress))
  			#if($progressImage)
  				<fo:block>
  					<fo:external-graphic content-height="0.3cm" src="data:image/svg+xml;base64,$progressImage" />
  					<fo:block>$xmlutils.escape($progress.getText())</fo:block>
  				</fo:block>
  			#end