office-alexander-logistics/office-alexander-logistics-app/src/main/java/com/alexanderlogistics/mahnlauf/ExcelExportController.java
2025-04-09 18:49:49 +02:00

344 lines
11 KiB
Java

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;
import java.time.YearMonth;
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;
import org.imixs.workflow.engine.DocumentService;
import org.imixs.workflow.exceptions.PluginException;
import org.imixs.workflow.exceptions.QueryException;
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;
import jakarta.faces.context.FacesContext;
import jakarta.inject.Inject;
import jakarta.inject.Named;
/**
* Der ExcelExportController exportiert rechnungen anhand von Filterangaben
* (excel_export_rechnungsausgang.xhmlt) nach Excel.
*
* Die Ausgabe ist auf maximal 3000 Zeilen eingeschränkt
*
* @author rsoika
*
*/
@Named
@ConversationScoped
public class ExcelExportController implements Serializable {
private static final long serialVersionUID = 1L;
private static Logger logger = Logger.getLogger(ExcelExportController.class.getName());
public static final String ERROR_CONFIG = "CONFIG_ERROR";
final String TYPE_TEXTBLOCK = "textblock";
public static final int MAX_ROWS = 3000;
@Inject
protected DocumentService documentService;
@Inject
WorkflowController workflowController;
@Inject
DocumentController documentController;
@Inject
SnapshotService snapshotService;
private ItemCollection filter;
private CustomFormItem dbtrItem;
public ExcelExportController() {
}
@PostConstruct
public void init() {
reset();
}
public ItemCollection getFilter() {
return filter;
}
public void setFilter(ItemCollection filter) {
this.filter = filter;
}
/**
* Fuert verschiedene Queries aus um eine Analyse der Sachprufung durchzuführen.
*
* @throws PluginException
*/
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?
String sDateFrom = "191401070000"; // because * did not work here
String sDateTo = "211401070000";
SimpleDateFormat dateformat = new SimpleDateFormat("yyyyMMddHHmm");
if (start != null) {
Calendar cal = Calendar.getInstance();
cal.setTime(start);
sDateFrom = dateformat.format(cal.getTime());
}
if (stop != null) {
Calendar cal = Calendar.getInstance();
cal.setTime(stop);
cal.add(Calendar.DATE, 1);
sDateTo = dateformat.format(cal.getTime());
}
// query zeit
String query = "(type:workitem OR type:workitemarchive) AND ($workflowgroup:Rechnungsausgang) ";
if (start != null && stop != null) {
query += "AND (invoice.date:[" + sDateFrom + " TO " + sDateTo + "]) ";
} else {
throw new PluginException("ERROR", "Bitte geben Sie einen Zeitraum an", null);
}
logger.info(query);
// query Sachprüfung
if (!filter.getItemValueString("space.ref").isEmpty()
&& !"-".equals(filter.getItemValueString("space.ref"))) {
query += " AND ($uniqueidref:" + filter.getItemValueString("space.ref") + ")";
}
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";
FileData fileData = loadTextBlockFileData("Excel-Export Template", template);
// do we found the document?
if (fileData == null) {
throw new PluginException(InkassoExportAdapter.class.getSimpleName(), ERROR_CONFIG,
"Missing Excel Export Template - template=" + template + " not found!");
}
String targetName = "ausgangsrechnungen-export_" + dateformat.format(new Date()) + ".xlsx";
try {
List<ItemCollection> invoices = documentService.find(query, MAX_ROWS, 0, "invoice.date", true);
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 | QueryException e) {
throw new PluginException(InkassoExportAdapter.class.getSimpleName(), ERROR_CONFIG,
"Failed to generate Excel Export: " + e.getMessage());
}
logger.info("Query=" + query);
return "/pages/admin/excel_export_rechnungsausgang.jsf?faces-redirect=true";
}
/**
* Helper method to initialize a download
*
* @throws IOException
*/
public void download(FileData fileData) throws IOException {
FacesContext facesContext = FacesContext.getCurrentInstance();
ExternalContext externalContext = facesContext.getExternalContext();
externalContext.responseReset();
externalContext.setResponseContentType("application/vnd.ms-excel");
externalContext.setResponseContentLength(fileData.getContent().length);
externalContext.setResponseHeader("Content-Disposition", "attachment; filename=\"" + fileData.getName() + "\"");
OutputStream output = externalContext.getResponseOutputStream();
// Now you can write the InputStream of the file to the above OutputStream the
// usual way.
output.write(fileData.getContent());
facesContext.responseComplete(); // Important! Otherwise Faces will attempt to render the response which
// obviously will fail since it's already written with a file and closed.
}
/**
* This method returns a text-block ItemCollection for a specified name.
*
* @param name in attribute txtname
*
*
*/
private FileData loadTextBlockFileData(String name, String fileName) {
ItemCollection textBlockItemCollection = null;
// load text-block by name....
String sQuery = "(type:\"" + TYPE_TEXTBLOCK + "\" AND txtname:\"" + name + "\")";
Collection<ItemCollection> col;
try {
// find the textblock...
col = documentService.find(sQuery, 1, 0);
if (col.size() > 0) {
textBlockItemCollection = col.iterator().next();
// fetch the fileData...
return snapshotService.getWorkItemFile(textBlockItemCollection.getUniqueID(), fileName);
} else {
logger.warning("Missing text-block : '" + name + "'");
}
} catch (QueryException e) {
logger.warning("getTextBlock - invalid query: " + e.getMessage());
}
return null;
}
/**
* This method reset the search and input state.
*/
public void reset() {
filter = new ItemCollection();
// compute start stop based on current month
YearMonth startYearMonth = YearMonth.now();
java.time.LocalDate startOfMonthDate = startYearMonth.atDay(1);
java.time.LocalDate endOfMonthDate = startYearMonth.atEndOfMonth();
filter.setItemValue("start",
java.util.Date.from(startOfMonthDate.atStartOfDay().atZone(ZoneId.systemDefault()).toInstant()));
filter.setItemValue("stop",
java.util.Date.from(endOfMonthDate.atStartOfDay().atZone(ZoneId.systemDefault()).toInstant()));
workflowController.setWorkitem(new ItemCollection());
// debtr item
dbtrItem = new CustomFormItem("dbtr.number", "text", "", false, false, false, "", null, false, 0);
}
public CustomFormItem getItem() {
// dbtrItem.setName("dbtr.number");
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("space.name"));
row.getCell(3).setCellValue(invoice.getItemValueString("invoice.text"));
row.getCell(4).setCellValue(invoice.getItemValueDate("invoice.date"));
row.getCell(5).setCellValue(invoice.getItemValueDate("invoice.duedate"));
row.getCell(6).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;
}
}