Procurement Candidates generate Purchase Order

metasfresh/metasfresh#2379

src/main/java/de/metas/ui/web/procurement/process/PMM_Purchase_Candidate_CreatePurchaseOrder.java

@@ -0,0 +1,83 @@
+package de.metas.ui.web.procurement.process;
+
+import org.springframework.context.annotation.Profile;
+
+import de.metas.process.IProcessPrecondition;
+import de.metas.process.ProcessPreconditionsResolution;
+import de.metas.procurement.base.model.I_PMM_PurchaseCandidate;
+import de.metas.procurement.base.order.async.PMM_GenerateOrders;
+import de.metas.ui.web.WebRestApiApplication;
+import de.metas.ui.web.process.adprocess.ViewBasedProcessTemplate;
+import de.metas.ui.web.window.datatypes.DocumentIdsSelection;
+
+/*
+ * #%L
+ * de.metas.procurement.base
+ * %%
+ * Copyright (C) 2017 metas GmbH
+ * %%
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public
+ * License along with this program. If not, see
+ * <http://www.gnu.org/licenses/gpl-2.0.html>.
+ * #L%
+ */
+
+/**
+ * Mass enqueue {@link I_PMM_PurchaseCandidate} records to be processed and purchase orders to be generated.
+ * 
+ * @author metas-dev <dev@metasfresh.com>
+ *
+ */
+@Profile(WebRestApiApplication.PROFILE_Webui)
+public class PMM_Purchase_Candidate_CreatePurchaseOrder extends ViewBasedProcessTemplate implements IProcessPrecondition
+{
+	private int recordsEnqueued;
+
+	@Override
+	protected ProcessPreconditionsResolution checkPreconditionsApplicable()
+	{
+		final DocumentIdsSelection selectedRowIds = getSelectedDocumentIds();
+		if (selectedRowIds.isEmpty())
+		{
+			return ProcessPreconditionsResolution.rejectBecauseNoSelection();
+		}
+
+		return ProcessPreconditionsResolution.accept();
+	}
+
+	@Override
+	protected String doIt() throws Exception
+	{
+		recordsEnqueued = PMM_GenerateOrders.prepareEnqueuing()
+				.filter(getProcessInfo().getQueryFilter())
+				.enqueue();
+		return MSG_OK;
+	}
+
+	@Override
+	protected void postProcess(final boolean success)
+	{
+		if (!success)
+		{
+			return;
+		}
+
+		//
+		// Notify frontend that the view shall be refreshed because we changed some candidates
+		if (recordsEnqueued > 0)
+		{
+			invalidateView();
+		}
+	}
+
+}