add fields for metadata and scrape them

gfl-plugin/src/main/resources/gfl-indexer.xslt

@@ -569,7 +569,36 @@ Refer to comments in the code to understand the used algorithm.
                   </xsl:for-each-group>
                </div>
                <xsl:text disable-output-escaping="yes">]]&gt;</xsl:text>
-            </field>           
+            </field>
+            <field name="institution">
+               <xsl:value-of select="//repository/normalize-space()"/><xsl:text>, </xsl:text>
+               <xsl:value-of select="//institution/normalize-space()"/><xsl:text>, </xsl:text>
+               <xsl:value-of select="//settlement/normalize-space()"/><xsl:text> </xsl:text>
+               <xsl:value-of select="//country/normalize-space()"/>
+            </field>
+            <field name="shelfmark">
+               <xsl:value-of select="//idno/normalize-space()"/>
+            </field>
+            <field name="script_source">
+               <xsl:value-of select="//supportDesc/extent/text()"/><xsl:text> </xsl:text>
+               <xsl:value-of select="//supportDesc/extent/dimensions/height/normalize-space()"/><xsl:text> x </xsl:text>
+               <xsl:value-of select="//supportDesc/extent/dimensions/width/normalize-space()"/><xsl:text> </xsl:text><xsl:value-of select="//supportDesc/extent/dimensions/@unit/normalize-space()"/><xsl:text>, </xsl:text>
+               <xsl:value-of select="//bindingDesc/normalize-space()"/>
+            </field>
+            <field name="writer">
+               <xsl:value-of select="//handNote/normalize-space()"/>
+            </field>
+            <field name="reference">
+               <xsl:value-of select="//relatedItem[@subtype = 'related']/normalize-space()"/>
+            </field>
+            <field name="response">
+               <xsl:value-of select="//relatedItem[@subtype = 'response']/normalize-space()"/>
+            </field>
+            <xsl:for-each select="//relatedItem">
+               <field name="related_items">
+                  <xsl:value-of select="./ref/normalize-space()"/>
+               </field>
+            </xsl:for-each>
          </xsl:otherwise>
        </xsl:choose>
 

solr/gfl/conf/schema.xml

@@ -124,6 +124,15 @@
   <field name="bibl_refs" type="string" multiValued="true"/>
   <field name="literature_refs" type="string" multiValued="true"/>
   <field name="entitys_in_documents" type="string" multiValued="true"/>
+  
+  <!-- Metadata fields -->
+  <field name="institution" type="string" multiValued="true"/>
+  <field name="shelfmark" type="string" multiValued="true"/>
+  <field name="script_source" type="string" multiValued="true"/>
+  <field name="writer" type="string" multiValued="true"/>
+  <field name="response" type="string" multiValued="true"/>
+  <field name="reference" type="string" multiValued="true"/>
+  <field name="related_items" type="string" multiValued="true"/>
 
   <field name="all_header_fields" type="text_de" multiValued="true" />
   <copyField source="id" dest="all_header_fields" />