Fetch Document & Media's metadata from a Web Content Template

dl_metadata_fetch_in_wcm_template.ftl

<#assign
  languageId = languageUtil.getLanguageId(locale)
  journalArticleLocalService = serviceLocator.findService("com.liferay.journal.service.JournalArticleLocalService")
  layoutLocalService = serviceLocator.findService("com.liferay.portal.kernel.service.LayoutLocalService")
  article = journalArticleLocalService.getArticle( groupId, .vars["reserved-article-id"].data )
  resourceprimKey = article.getResourcePrimKey()
  assetEntryLocalService = serviceLocator.findService("com.liferay.asset.kernel.service.AssetEntryLocalService")
  assetEntry = assetEntryLocalService.getEntry("com.liferay.journal.model.JournalArticle", resourceprimKey)
  dLFileEntryLocalService = serviceLocator.findService("com.liferay.document.library.kernel.service.DLFileEntryLocalService")
	dLFileEntryTypeLocalService = serviceLocator.findService("com.liferay.document.library.kernel.service.DLFileEntryTypeLocalService")
  dLFileEntryMetadataLocalService = serviceLocator.findService("com.liferay.document.library.kernel.service.DLFileEntryMetadataLocalService")
  storageEngine = serviceLocator.findService("com.liferay.dynamic.data.mapping.storage.StorageEngine")
  serviceContext = staticUtil["com.liferay.portal.kernel.service.ServiceContextThreadLocal"].getServiceContext()
  httpServletRequest = serviceContext.getRequest()
>

<#function value_of docXml field language_id>
    <#local default_language_id = docXml.valueOf("/root/@default-locale") />
    <#local value = docXml.valueOf("//dynamic-element[@name='" + field + "']/dynamic-content[@language-id='"+ language_id + "']/text()") />
    <#if !value?has_content>
        <#local value = docXml.valueOf("//dynamic-element[@name='" + field + "']/dynamic-content[@language-id='"+ default_language_id + "']/text()") />
    </#if>
    <#return value />
</#function>

<#assign
  docXml = saxReaderUtil.read(article.getContent())
  dmXmlfield = value_of(docXml, "dmfield", languageId)
  evalDmField = dmXmlfield?eval
  uuid = evalDmField.uuid
  groupId = evalDmField.groupId 
  dlFileEntry = dLFileEntryLocalService.fetchDLFileEntryByUuidAndGroupId(uuid,groupId?number)
  dlFileEntryType = dLFileEntryTypeLocalService.getFileEntryType(dlFileEntry.getFileEntryTypeId())
  ddmStructures = dlFileEntryType.getDDMStructures()
  ddmStructure = ddmStructures?first
  dlFileEntryMetadata = dLFileEntryMetadataLocalService.getFileEntryMetadata(ddmStructure.getStructureId(), dlFileEntry.getFileVersion().getFileVersionId())
  ddmFormValues = storageEngine.getDDMFormValues(dlFileEntryMetadata.getDDMStorageId())
  ddmFormFieldValuesMap = ddmFormValues.getDDMFormFieldValuesMap()
/>

<#assign 
  asset_type = ddmFormFieldValuesMap['asset_type'][0].getValue().getString(locale) 
  recent_asset_primary_buyer_stage = ddmFormFieldValuesMap['recent_asset_primary_buyer_stage'][0].getValue().getString(locale) 
  recent_conversion_type = ddmFormFieldValuesMap['recent_conversion_type'][0].getValue().getString(locale) 
/>

<#assign 
  recent_conversion_medium = paramUtil.getString(httpServletRequest, "recent_conversion_medium")
  recent_conversion_source = paramUtil.getString(httpServletRequest, "recent_conversion_source")
  recent_conversion_source_content = paramUtil.getString(httpServletRequest, "recent_conversion_source_content")
  recent_conversion_source_term = paramUtil.getString(httpServletRequest, "recent_conversion_source_term")
  recent_conversion_previous_page_seen = paramUtil.getString(httpServletRequest, "recent_conversion_previous_page_seen")      
/>

<h2>Asset Name</h2>
<p>${dlFileEntry.getTitle()}</p>

<h2>Asset UUID</h2>
<p>Uuid ${uuid}</p>

<h2>Asset Type </h2>
<p>${asset_type}</p>

<h2>Recent Asset Primary Buyer Stage </h2>
<p>${recent_asset_primary_buyer_stage}</p>

<h2>Recent Conversion Type </h2>
<p>${recent_conversion_type}</p>

<hr />

<h1>Parameter values</h1>

<h3>recent_conversion_medium</h3>
<#if recent_conversion_medium?has_content>
  <p>${recent_conversion_medium}</p>
<#else>
  <p>No value in the parameter</p>
</#if>

<h3>recent_conversion_source</h3>
<#if recent_conversion_source?has_content>
  <p>${recent_conversion_source}</p>
<#else>
  <p>No value in the parameter</p>
</#if>

<h3>recent_conversion_source_content</h3>
<#if recent_conversion_source_content?has_content>
  <p>${recent_conversion_source_content}</p>
<#else>
  <p>No value in the parameter</p>
</#if>

<h3>recent_conversion_source_term</h3>
<#if recent_conversion_source_term?has_content>
  <p>${recent_conversion_source_term}</p>
<#else>
  <p>No value in the parameter</p>
</#if>

<h3>recent_conversion_previous_page_seen</h3>
<#if recent_conversion_previous_page_seen?has_content>
  <p>${recent_conversion_previous_page_seen}</p>
<#else>
  <p>No value in the parameter</p>
</#if>

<a href="${dmfield.getData()}"> ${languageUtil.format(locale, "download-x", "Documents and Media", false)} </a>