new ChronicleTextBuilder and custom Order Plugin

dynamixs-ai-app/src/main/java/ai/dynamixs/OrderPlugin.java

@@ -14,29 +14,37 @@
 
 package ai.dynamixs;
 
+import java.util.ArrayList;
 import java.util.List;
 import java.util.logging.Logger;
 
 import org.imixs.ai.rag.RAGService;
 import org.imixs.workflow.ItemCollection;
+import org.imixs.workflow.WorkflowKernel;
 import org.imixs.workflow.engine.WorkflowService;
 import org.imixs.workflow.exceptions.AdapterException;
 import org.imixs.workflow.exceptions.PluginException;
+import org.imixs.workflow.exceptions.QueryException;
 
 import jakarta.inject.Inject;
 
 /**
- * This RAGIndexPlugin extends the default imixs-ai RAGIndexPlugin.
+ * The OrderPlugin is a generic plugin for Order workflows.
+ * <p>
+ * The plugin collects a list of $uniqueids for the last 5 orders for the given
+ * customer.ref. The list is stored in the item `order.history.ref`
  *
- * In the mode INDEX this plugins generates a default prompt template if no
- * prompt definition was found. This is to simplify the models.
+ * <p>
+ * The plugin extends the default imixs-ai RAGIndexPlugin. In the mode INDEX
+ * this plugins generates a default prompt template.This is to simplify the
+ * models.
  * <p>
  * 
  * <pre>
   {@code
-   <imixs-ai name="INDEX">
+   <dynamixs-ai name="INDEX">
       <debug>false</debug>  
-   </imixs-ai>
+   </dynamixs-ai>
     }
  * </pre>
  * <p>
@@ -46,10 +54,11 @@ import jakarta.inject.Inject;
  * @author rsoika
  * 
  */
-public class RAGDefaultIndexPlugin extends org.imixs.ai.rag.RAGIndexPlugin {
-
-	private static final Logger logger = Logger.getLogger(RAGDefaultIndexPlugin.class.getName());
+public class OrderPlugin extends org.imixs.ai.rag.RAGIndexPlugin {
 
+	private static final Logger logger = Logger.getLogger(OrderPlugin.class.getName());
+	public static final String LINK_PROPERTY = "$workitemref";
+	public static final int MAX_HISTORY_RESULT = 5;
 	@Inject
 	private WorkflowService workflowService;
 
@@ -65,10 +74,13 @@ public class RAGDefaultIndexPlugin extends org.imixs.ai.rag.RAGIndexPlugin {
 			return workitem;
 		}
 
-		logger.info("├── running Dynamixs.AI RAGPlugin");
+		logger.info("├── running Dynamixs.AI Order Plugin");
+
+		// Update History....
+		updateOrderHistory(workitem);
 
 		// read optional configuration form the model or imixs.properties....
-		List<ItemCollection> ragIndexDefinitions = workflowService.evalWorkflowResultXML(event, "imixs-ai",
+		List<ItemCollection> ragIndexDefinitions = workflowService.evalWorkflowResultXML(event, "dynamixs-ai",
 				RAGService.RAG_INDEX, workitem, false);
 
 		try {
@@ -85,18 +97,54 @@ public class RAGDefaultIndexPlugin extends org.imixs.ai.rag.RAGIndexPlugin {
 					workitem.setItemValue("ai.chronicle.summary", promptTemplate);
 					indexDefinition.setItemValue("promptTemplate", embedTemplate(promptTemplate));
 					ragService.createIndex(ragIndexDefinitions, workitem, event);
-					return workitem;
 				}
-
 			}
-
-			// default behavior
-			return super.run(workitem, event);
-
 		} catch (AdapterException e) {
 			throw new PluginException(e);
 		}
 
+		return workitem;
+	}
+
+	/**
+	 * This method updates the item `order.history.ref` with the latest 5 orders for
+	 * the current customer
+	 * 
+	 * @param workitem
+	 */
+	private void updateOrderHistory(ItemCollection workitem) {
+
+		workitem.removeItem("order.history.ref");
+		String customerRef = workitem.getItemValueString("customer.ref");
+		if (!customerRef.isEmpty()) {
+			// append customer ref to $workitemref
+			workitem.appendItemValueUnique("$workitemref", customerRef);
+
+			// collect all history orders....
+
+			String sQuery = "(";
+			sQuery = " (type:\"workitem\" OR type:\"workitemarchive\") AND (" + LINK_PROPERTY + ":\"" + customerRef
+					+ "\") AND ($workflowgroup:\"" + workitem.getWorkflowGroup() + "\")";
+
+			List<ItemCollection> orderHistory = null;
+			try {
+				orderHistory = workflowService.getDocumentService().findStubs(sQuery, MAX_HISTORY_RESULT, 0,
+						WorkflowKernel.LASTEVENTDATE, true);
+			} catch (QueryException e) {
+				e.printStackTrace();
+			}
+			if (orderHistory != null) {
+				List<String> orderHistoryRefList = new ArrayList<>();
+				for (ItemCollection order : orderHistory) {
+					if (!workitem.getUniqueID().equals(order.getUniqueID())) { // skip current id!
+						orderHistoryRefList.add(order.getUniqueID());
+					}
+				}
+				workitem.setItemValue("order.history.ref", orderHistoryRefList);
+			}
+
+		}
+
 	}
 
 	/**