implemented creating new stock items

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

core/src/main/java/de/srsoftware/umbrella/core/model/DbLocation.java

@@ -90,6 +90,7 @@ public class DbLocation extends Location {
 	@Override
 	public Map<String, Object> toMap() {
 		var map = super.toMap();
+		if (description == null) description = "";
 		map.put(OWNER,owner.toMap());
 		map.put(NAME,name);
 		map.put(DESCRIPTION,Map.of(SOURCE,description,RENDERED,markdown(description)));

core/src/main/java/de/srsoftware/umbrella/core/model/Item.java

@@ -18,7 +18,7 @@ public class Item implements Mappable {
 	private Collection<Property> properties;
 	private Set<String> dirtyFields = new HashSet<>();
 
-	private Item(long id, Owner owner, long ownerNumber, Location location, String code, String name) {
+	public Item(long id, Owner owner, long ownerNumber, Location location, String code, String name) {
 		this.id = id;
 		this.owner = owner;
 		this.ownerNumber = ownerNumber;
@@ -45,6 +45,11 @@ public class Item implements Mappable {
 		return id;
 	}
 
+	public Item id(long newVal) {
+		id = newVal;
+		return this;
+	}
+
 	public Location location(){
 		return location;
 	}
@@ -73,6 +78,10 @@ public class Item implements Mappable {
 		return owner;
 	}
 
+	public long ownerNumber(){
+		return ownerNumber;
+	}
+
 	public Item patch(JSONObject json) {
 		for (var field : json.keySet()){
 			var known = true;
@@ -103,6 +112,7 @@ public class Item implements Mappable {
 		map.put(LOCATION,location.toMap());
 		map.put(CODE,code);
 		map.put(NAME,name);
+		map.put(OWNER_NUMBER,ownerNumber);
 		if (properties != null) map.put(PROPERTIES,properties.stream().map(Property::toMap).toList());
 		return map;
 	}