Excel Export Funktion

office-alexander-logistics-app/src/main/java/com/alexanderlogistics/mahnlauf/ExcelExportController.java

@@ -1,6 +1,9 @@
 package com.alexanderlogistics.mahnlauf;
 
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.OutputStream;
 import java.io.Serializable;
 import java.text.SimpleDateFormat;
@@ -9,8 +12,16 @@ import java.time.ZoneId;
 import java.util.Calendar;
 import java.util.Collection;
 import java.util.Date;
+import java.util.List;
 import java.util.logging.Logger;
 
+import org.apache.poi.ss.usermodel.CellCopyPolicy;
+import org.apache.poi.ss.usermodel.Name;
+import org.apache.poi.ss.util.CellReference;
+import org.apache.poi.xssf.usermodel.XSSFCell;
+import org.apache.poi.xssf.usermodel.XSSFRow;
+import org.apache.poi.xssf.usermodel.XSSFSheet;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 import org.imixs.archive.core.SnapshotService;
 import org.imixs.workflow.FileData;
 import org.imixs.workflow.ItemCollection;
@@ -21,6 +32,8 @@ import org.imixs.workflow.faces.data.DocumentController;
 import org.imixs.workflow.faces.data.WorkflowController;
 import org.imixs.workflow.office.forms.CustomFormItem;
 
+import com.alexanderlogistics.ZahlungsavisExportAdapter;
+
 import jakarta.annotation.PostConstruct;
 import jakarta.enterprise.context.ConversationScoped;
 import jakarta.faces.context.ExternalContext;
@@ -47,6 +60,7 @@ public class ExcelExportController implements Serializable {
 	public static final String ERROR_CONFIG = "CONFIG_ERROR";
 	final String TYPE_TEXTBLOCK = "textblock";
 
+	public static final int MAX_ROWS = 3000;
 	@Inject
 	protected DocumentService documentService;
 
@@ -86,10 +100,8 @@ public class ExcelExportController implements Serializable {
 	public String export() throws PluginException {
 
 		logger.info("start export....");
-
 		Date start = filter.getItemValueDate("start");
 		Date stop = filter.getItemValueDate("stop");
-
 		logger.info("...daterange=" + start + " - " + stop);
 
 		// serach date range?
@@ -123,11 +135,13 @@ public class ExcelExportController implements Serializable {
 		if (!filter.getItemValueString("space.name").isEmpty()) {
 			query += " AND (space.name:" + filter.getItemValueString("space.name") + ")";
 		}
-
 		if (workflowController.getWorkitem() != null
 				&& !workflowController.getWorkitem().getItemValueString("dbtr.number").isEmpty()) {
 			query += " AND (dbtr.number:" + workflowController.getWorkitem().getItemValueString("dbtr.number") + ")";
 		}
+		if (!filter.getItemValueString("invoice.text").isEmpty()) {
+			query += " AND (invoice.positions:" + filter.getItemValueString("invoice.text") + ")";
+		}
 
 		// load the text block
 		String template = "ausgangsrechnungen-export_template.xlsx";
@@ -139,13 +153,17 @@ public class ExcelExportController implements Serializable {
 					"Missing Excel Export Template - template=" + template + " not found!");
 		}
 		String targetName = "ausgangsrechnungen-export_" + dateformat.format(new Date()) + ".xlsx";
-		fileData.setName(targetName);
-
 		try {
+			List<ItemCollection> invoices = documentService.find(query, MAX_ROWS, 0);
+			if (invoices.size() > 0) {
+				insertInvoiceRows(invoices, fileData);
+			}
+			fileData.setName(targetName);
+
 			// See:
 			// https://stackoverflow.com/questions/9391838/how-to-provide-a-file-download-from-a-jsf-backing-bean
 			download(fileData);
-		} catch (IOException e) {
+		} catch (IOException | QueryException e) {
 			throw new PluginException(InkassoExportAdapter.class.getSimpleName(), ERROR_CONFIG,
 					"Failed to generate Excel Export: " + e.getMessage());
 		}
@@ -229,10 +247,6 @@ public class ExcelExportController implements Serializable {
 		// debtr item
 		dbtrItem = new CustomFormItem("dbtr.number", "text", "", false, false, false, "", null, false, 0);
 
-		// public CustomFormItem(String name, String type, String label, boolean
-		// required, boolean readonly, boolean disabled,
-		// String options,
-		// String path, boolean hide, int span) {
 	}
 
 	public CustomFormItem getItem() {
@@ -240,4 +254,91 @@ public class ExcelExportController implements Serializable {
 		return dbtrItem;
 	}
 
+	/**
+	 * This helper method inserts a row for each invoice
+	 * 
+	 * @throws PluginException
+	 */
+	private void insertInvoiceRows(List<ItemCollection> invoices, FileData fileData) throws PluginException {
+		// load XSSFWorkbook
+		try (InputStream imputStream = new ByteArrayInputStream(fileData.getContent())) {
+			XSSFWorkbook doc = new XSSFWorkbook(imputStream);
+			// NOTE: we only take the first sheet !
+			XSSFSheet sheet = doc.getSheetAt(0);
+
+			XSSFCell standCell = getCellByRef(doc, sheet, "F6");
+			standCell.setCellValue(new Date());
+
+			CellReference cr = new CellReference("A11");
+			XSSFRow referenceRow = sheet.getRow(cr.getRow());
+			int referenceRowPos = referenceRow.getRowNum() + 1;
+			int rowPos = referenceRowPos;
+			// int lastRow = sheet.getLastRowNum();
+			int lastRow = 999;
+			logger.finest("Last rownum=" + lastRow);
+			sheet.shiftRows(rowPos, lastRow, invoices.size(), true, true);
+
+			for (ItemCollection invoice : invoices) {
+				logger.finest("......copy row...");
+
+				// now create a new line..
+				XSSFRow row = sheet.createRow(rowPos);
+				row.copyRowFrom(referenceRow, new CellCopyPolicy());
+				// insert values
+				row.getCell(0).setCellValue(invoice.getItemValueString("invoice.number"));
+				row.getCell(1).setCellValue(invoice.getItemValueString("dbtr.number"));
+				row.getCell(2).setCellValue(invoice.getItemValueString("invoice.text"));
+
+				row.getCell(3).setCellValue(invoice.getItemValueDate("invoice.date"));
+				row.getCell(4).setCellValue(invoice.getItemValueDate("invoice.duedate"));
+
+				row.getCell(5).setCellValue(invoice.getItemValueDouble("invoice.total"));
+
+				rowPos++;
+			}
+			// delete reference row
+			sheet.shiftRows(referenceRowPos, lastRow + invoices.size(), -1, true, true);
+
+			ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+			// write back the file
+			doc.write(byteArrayOutputStream);
+			doc.close();
+			byte[] newContent = byteArrayOutputStream.toByteArray();
+			fileData.setContent(newContent);
+
+		} catch (IOException e) {
+			throw new PluginException(ZahlungsavisExportAdapter.class.getSimpleName(), ERROR_CONFIG,
+					"failed to update excel export: " + e.getMessage());
+		}
+	}
+
+	/**
+	 * Returns a Cell by name or an optional absolute cell postion
+	 * <p>
+	 * Examples for refs are 'A1', 'AB3', 'MyCell' where 'MyCell' is a named cell.
+	 * <p>
+	 * 
+	 */
+	public static XSSFCell getCellByRef(XSSFWorkbook doc, XSSFSheet sheet, String cellReference) {
+		XSSFCell cell = null;
+
+		// first we test if the cellName is a named cell
+		Name aNamedCell = doc.getName(cellReference);
+		if (aNamedCell != null) {
+			// yes its a named cell so we need to get the referrer Formula
+			logger.finest("...resolving named cell = " + aNamedCell.getNameName());
+			cellReference = aNamedCell.getRefersToFormula();
+			// now we can find the cell by its ref
+		}
+
+		CellReference cr = new CellReference(cellReference);
+		XSSFRow row = sheet.getRow(cr.getRow());
+		if (row == null) {
+			logger.severe("Unable to resolve cell ref '" + cellReference + "'!");
+			return null;
+		}
+		cell = row.getCell(cr.getCol());
+		return cell;
+	}
+
 }

office-alexander-logistics-app/src/main/webapp/pages/admin/excel_export_rechnungsausgang.xhtml

@@ -7,40 +7,30 @@
 
 	<!-- Diese Form exportiert Ausgangsrechnungen nach Excel 
 	 -->
-
 	<ui:define name="scripts">
-	
-
 		<script type="text/javascript">
 			/*<![CDATA[*/
-
+				function handleSubmit(event) {
-			$(document).ready(function () {
+					// remove ajax kringel
-
+					setTimeout(function() {
-			});
+						document.body.classList.remove('loading');
-
+					}, 5000);
-
+				}
 			/*]]>*/
 		</script>
 	</ui:define>
 
 	<ui:define name="content">
 		<f:view>
-
+			<h:form id="import_form_id" onsubmit="handleSubmit(event)">
-			<h:form id="import_form_id">
 				<!-- ########## Error ########## -->
 				<ui:include src="/error_message.xhtml" />
-
 				<div class="imixs-form">
 					<div class="imixs-header">
 						<h1>Excle Export Ausgangsrechnungen</h1>
 					</div>
-
-
 					<h:panelGroup layout="block" styleClass="imixs-body" id="analyse_panel">
-
 						<div class="imixs-form-panel">
- 
-
 							<div class="ui-state-highlight ui-corner-all" style="margin-bottom: 10px; padding: .5em;">
 								<p>Der folgende Report exportiert <i>Ausgangsrechnungen</i>, in eine Excel Datei. Der Export ist auf maximal 3000 Einträge pro Tabelle beschränkt
 								</p>
@@ -56,12 +46,8 @@
 											<f:convertDateTime pattern="#{message.datePatternShort}"
 												timeZone="#{message.timeZone}" />
 										</h:inputText>
-
-
-
 									</dd>
 								</dl>
-
 								<dl>
 									<dt>
 										Bis:<span class="imixs-required">*</span>
@@ -74,9 +60,6 @@
 										</h:inputText>
 									</dd>
 								</dl>
-
-
-
 								<dl>
 									<dt>
 										Abteilung:
@@ -88,7 +71,6 @@
 										</h:inputText>
 									</dd>
 								</dl>
-
 								<dl>
 									<dt>
 										Debitor:
@@ -101,48 +83,27 @@
 									</dd>
 								</dl>
  
-
 								<dl>
 									<dt>
 										Positionsnummer:
 									</dt>
 									<dd>
 										<h:inputText 
-											value="#{excelExportController.filter.item['invoice.text']}">
+											value="#{excelExportController.filter.item['invoice.text']}">											
-											
 										</h:inputText>
 									</dd>
 								</dl>
-
-
 							</div>
 
-					x		<h:commandButton actionListener="#{excelExportController.export()}" immediate="true"
+							<h:commandButton actionListener="#{excelExportController.export()}" 
-								action="/pages/admin/excel_export_rechnungsausgang.jsf?faces-redirect=true"
 								 value="Excel Export starten">
-								
 							</h:commandButton>
 							<h:commandButton value="#{message.close}" action="notes" />
-
 						</div>
-
-
-
-
-
-
 					</h:panelGroup>
-
 				</div>
-
-
-
-
 				<div class="imixs-footer"></div>
 			</h:form>
 		</f:view>
 	</ui:define>
-
-
-
 </ui:composition>