Add time period as date range.

build.gradle

@@ -35,7 +35,7 @@ dependencies {
     // https://mvnrepository.com/artifact/org.elasticsearch.client/elasticsearch-rest-high-level-client
     //compile group: 'org.elasticsearch.client', name: 'elasticsearch-rest-high-level-client', version: '7.1.0'
 
-    implementation 'org.memobase:memobase-service-utilities:2.0.2'
+    implementation 'org.memobase:memobase-service-utilities:2.0.5'
 
     // Logging Framework
     implementation "org.apache.logging.log4j:log4j-api:${log4jV}"

src/main/kotlin/RdfTransformer.kt

@@ -29,6 +29,8 @@ import java.util.Properties
 import org.apache.jena.rdf.model.Literal
 import org.apache.jena.rdf.model.Model
 import org.apache.jena.rdf.model.ModelFactory
+import org.apache.jena.rdf.model.Property
+import org.apache.jena.rdf.model.RDFNode
 import org.apache.jena.rdf.model.Resource
 import org.apache.jena.rdf.model.ResourceFactory
 import org.apache.logging.log4j.LogManager
@@ -130,6 +132,15 @@ class RdfTransformer(properties: Properties) {
         if (input.computed_teaser_image_url != null)
             resource.addProperty(WD.image, literal(input.computed_teaser_image_url))
 
+        input.field_time_period.let {
+            if (it != null) {
+                val date = model.createResource()
+                date.addProperty(RDF.type, RICO.DateRange)
+                date.addProperty(RICO.normalizedDateValue, it)
+                resource.addProperty(RICO.isAssociatedWithDate, date)
+            }
+        }
+
         // rico:scopeAndContent -> Inhalt
         // rico:history -> Kontext
         // rico:integrity -> Auswahl / Vollständigkeit
@@ -271,4 +282,11 @@ class RdfTransformer(properties: Properties) {
                 resource.addProperty(RICO.descriptiveNote, langLiteral(it.value, language))
         }
     }
+
+    private fun addIfNotNull(resource: Resource, field: String?, property: Property, node: RDFNode) {
+        field.let {
+            if (it != null)
+                resource.addProperty(property, node)
+        }
+    }
 }
\ No newline at end of file

src/main/kotlin/model/RecordSet.kt

@@ -35,5 +35,7 @@ data class RecordSet(
     val field_metadata_language_codes: List<String>,
 
     val field_institution: List<String>,
-    val computed_teaser_image_url: String? = null
+    val computed_teaser_image_url: String? = null,
+    val field_time_period: String?
+
 ) : Input("RecordSet")
\ No newline at end of file