chg schema and scraping for lit doctypes #GFL-143

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

@@ -301,10 +301,17 @@ Refer to comments in the code to understand the used algorithm.
                         </xsl:otherwise>
                      </xsl:choose>
                   </xsl:for-each>
-                    <xsl:for-each select="biblScope">
-                  <field name="biblScope"> 
-                     <xsl:value-of select="./normalize-space()"/>
-                  </field>
+                   <xsl:for-each select="biblScope">
+                      <xsl:if test=".[@unit='volume']">
+                        <field name="biblScope_volume"> 
+                           <xsl:value-of select="./normalize-space()"/>
+                        </field>
+                      </xsl:if>
+                      <xsl:if test=".[@unit='pages']">
+                         <field name="biblScope_pages"> 
+                            <xsl:value-of select="./normalize-space()"/>
+                         </field>
+                      </xsl:if>  
                 </xsl:for-each>  
                <xsl:if test="edition!=''">
                   <field name="edition"> 

solr/gfl/conf/schema.xml

@@ -86,6 +86,8 @@
   <field name="ISBN" type="string" />
   <field name="extent" type="string" multiValued="true"/>
   <field name="biblScope" type="string" multiValued="true"/>
+  <field name="biblScope_volume" type="string" multiValued="true"/>
+  <field name="biblScope_pages" type="string" multiValued="true"/>
     
    <!-- for doctype 'page' -->
    <field name="article_id" type="string" />