OAI-PMH: add download link if downloading is permitted by author

thexerteproject · May 1, 2023 · f6b2611 · f6b2611
1 parent d211dda
commit f6b2611
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Showing 3 changed files with 37 additions and 2 deletions.
diff --git a/oai-pmh/oai.php b/oai-pmh/oai.php
@@ -317,7 +317,8 @@ function makeRecordFromTemplate($metadataPrefix,$template, $metadata){
                 ),
                 'keywords' => explode("\n", $metadata->keywords),
                 'relation' => array(
-                    'thumbnail' => $metadata->thumbnail
+                    'thumbnail' => $metadata->thumbnail,
+                    'download' => $metadata->download
                 ),
                 'lifecycle' => array(
                     'author' => $metadata->author,
@@ -337,6 +338,10 @@ function makeRecordFromTemplate($metadataPrefix,$template, $metadata){
                     'levelId' => $metadata->levelId,
                 ),
             ));
+        if ($record['metadata']['relation']['download'])
+        {
+            $record['metadata']['relation']['download_url'] = $metadata->downloadUrl;
+        }
     }
     else if($metadataPrefix == "oai_dc"){
         $record = array('identifier' => ($xerte_toolkits_site->site_url . $template['template_id']),

diff --git a/oai-pmh/oaiserver.php b/oai-pmh/oaiserver.php
@@ -528,6 +528,32 @@ private function add_metadata($metadataPrefix,$cur_record, $record)
             $langstring_node = $this->response->addChild($entry_node, 'langstring', $thumbnail_url);
             $langstring_node->setAttribute("xml:lang", "x-none");
 
+            //RELATION - download package - normal export
+            if (isset($record['metadata']['relation']['download_url']) && $record['metadata']['relation']['download_url'] != "") {
+
+                $relation_node = $this->response->addChild($schema_node, 'relation');
+                $kind_node = $this->response->addChild($relation_node, 'kind');
+                $source_node = $this->response->addChild($kind_node, 'source');
+                $langstring_node = $this->response->addChild($source_node, 'langstring', "http://purl.edustandaard.nl/relation_kind_nllom_20131211");
+                $langstring_node->setAttribute("xml:lang", "x-none");
+
+                $value_node = $this->response->addChild($kind_node, 'value');
+                $langstring_node = $this->response->addChild($value_node, 'langstring', "hasformat");
+                $langstring_node->setAttribute("xml:lang", "x-none");
+
+                $resource_node = $this->response->addChild($relation_node, 'resource');
+                $description_node = $this->response->addChild($resource_node, 'description');
+                $langstring_node = $this->response->addChild($description_node, 'langstring', "application/zip");
+                $langstring_node->setAttribute("xml:lang", "x-none");
+                $catalogentry_node = $this->response->addChild($resource_node, 'catalogentry');
+                $this->response->addChild($catalogentry_node, 'catalog', 'URI');
+                $entry_node = $this->response->addChild($catalogentry_node, 'entry');
+                // Bleeh eascpe & in url
+                $download_url = str_replace("&", "&amp;", $record['metadata']['relation']['download_url']);
+                $langstring_node = $this->response->addChild($entry_node, 'langstring', $download_url);
+                $langstring_node->setAttribute("xml:lang", "x-none");
+            }
+
             // CLASSIFICATION - domain
             $domain = $record['metadata']['classification']['domain'];
             $domain_id = $record['metadata']['classification']['domain_id'];

diff --git a/oai-pmh/xerteobjects.php b/oai-pmh/xerteobjects.php
@@ -20,7 +20,7 @@
  */
 
 require_once(dirname(__FILE__) . "/Html2Text.php");
-
+require_once(dirname(__FILE__) . "/../website_code/php/url_library.php");
 function get_meta_data($template_id, $creator_user_name="", $template_type_name="", $template_owner="")
 {
     global $config;
@@ -201,6 +201,10 @@ function get_meta_data($template_id, $creator_user_name="", $template_type_name=
     {
         $xerteMetaObj->rights = $syndication['license'];
         $xerteMetaObj->download = ($syndication['export'] == 'true' ? true : false);
+        if ($xerteMetaObj->download)
+        {
+            $xerteMetaObj->downloadUrl = $xerte_toolkits_site->site_url . url_return("export", $template_id);
+        }
         $q = "select * from {$xerte_toolkits_site->database_table_prefix}oai_rights where label=?";
         $params = array( $syndication['license']);
         $rights = db_query_one($q, $params);