excel download option

build.gradle

@@ -24,7 +24,7 @@ repositories {
 }
 
 dependencies {
-	implementation 'de.jottyfan:timetrackjooq:20260114'
+	implementation 'de.jottyfan:timetrackjooq:20260119'
 
   implementation 'org.webjars:bootstrap:5.3.8'
   implementation 'org.webjars:font-awesome:7.1.0'
@@ -36,6 +36,8 @@ dependencies {
 
   implementation 'com.google.code.gson:gson';
   
+  implementation 'org.dhatim:fastexcel:0.19.1'
+  
   implementation 'org.springframework.boot:spring-boot-starter-jooq'
   implementation 'org.springframework.boot:spring-boot-starter-security'
   implementation "org.springframework.boot:spring-boot-starter-oauth2-client"

src/main/java/de/jottyfan/timetrack/Main.java

@@ -17,7 +17,7 @@ import org.springframework.transaction.annotation.EnableTransactionManagement;
 @EnableTransactionManagement
 public class Main extends SpringBootServletInitializer {
 
-  private static final Integer requiredDbVersion = 20260114;
+  private static final Integer requiredDbVersion = 20260119;
 
   public static final Logger LOGGER = LogManager.getLogger(Main.class);
 

src/main/java/de/jottyfan/timetrack/modules/projectmanagement/DownloadController.java

@@ -0,0 +1,38 @@
+package de.jottyfan.timetrack.modules.projectmanagement;
+
+import java.io.IOException;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.HttpHeaders;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import jakarta.annotation.security.RolesAllowed;
+import jakarta.servlet.http.HttpServletResponse;
+
+/**
+ * 
+ * @author jotty
+ * 
+ */
+@Controller
+public class DownloadController {
+  
+  @Autowired
+  private DownloadService service;
+
+  @Autowired
+  private HttpServletResponse response;
+
+  @RolesAllowed("timetrack_user")
+  @GetMapping("/projectmanagement/download")
+  public @ResponseBody void getDownloadExcel() throws IOException {
+    response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");
+    String contentDisposition = String.format("attachment; filename=\"projectmanagement_%s.xlsx\"", LocalDateTime.now().format(DateTimeFormatter.ISO_LOCAL_DATE_TIME));
+    response.setHeader(HttpHeaders.CONTENT_DISPOSITION, contentDisposition);
+    service.generateExcel(response.getOutputStream());
+  }
+}

src/main/java/de/jottyfan/timetrack/modules/projectmanagement/DownloadRepository.java

@@ -0,0 +1,39 @@
+package de.jottyfan.timetrack.modules.projectmanagement;
+
+import static de.jottyfan.timetrack.db.project.Tables.V_EXCEL_APP;
+import static de.jottyfan.timetrack.db.project.Tables.V_EXCEL_WORKPACKAGE;
+import static de.jottyfan.timetrack.db.project.Tables.V_EXCEL_WORKPACKAGE_APP;
+
+import java.util.List;
+
+import org.jooq.DSLContext;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Repository;
+
+import de.jottyfan.timetrack.db.project.tables.records.VExcelAppRecord;
+import de.jottyfan.timetrack.db.project.tables.records.VExcelWorkpackageAppRecord;
+import de.jottyfan.timetrack.db.project.tables.records.VExcelWorkpackageRecord;
+
+/**
+ * 
+ * @author jotty
+ * 
+ */
+@Repository
+public class DownloadRepository {
+
+  @Autowired
+  private DSLContext jooq;
+
+  public List<VExcelAppRecord> getAllApps() {
+    return jooq.selectFrom(V_EXCEL_APP).fetchInto(VExcelAppRecord.class);
+  }
+
+  public List<VExcelWorkpackageRecord> getAllWorkpackages() {
+    return jooq.selectFrom(V_EXCEL_WORKPACKAGE).fetchInto(VExcelWorkpackageRecord.class);
+  }
+
+  public List<VExcelWorkpackageAppRecord> getAllWorkpackageApps() {
+    return jooq.selectFrom(V_EXCEL_WORKPACKAGE_APP).fetchInto(VExcelWorkpackageAppRecord.class);
+  }
+}

src/main/java/de/jottyfan/timetrack/modules/projectmanagement/DownloadService.java

@@ -0,0 +1,28 @@
+package de.jottyfan.timetrack.modules.projectmanagement;
+
+import java.io.IOException;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import jakarta.servlet.ServletOutputStream;
+
+/**
+ * 
+ * @author jotty
+ * 
+ */
+@Service
+public class DownloadService {
+
+  @Autowired
+  private DownloadRepository repository;
+
+  public void generateExcel(ServletOutputStream outputStream) throws IOException {
+    ExcelWriter writer = new ExcelWriter();
+    writer.addSheet("workpackages", repository.getAllWorkpackages());
+    writer.addSheet("workpackage apps", repository.getAllWorkpackageApps());
+    writer.addSheet("apps", repository.getAllApps());
+    writer.bundle(outputStream);
+  }
+}

src/main/java/de/jottyfan/timetrack/modules/projectmanagement/ExcelWriter.java

@@ -0,0 +1,131 @@
+package de.jottyfan.timetrack.modules.projectmanagement;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.dhatim.fastexcel.Workbook;
+import org.dhatim.fastexcel.Worksheet;
+import org.jooq.impl.TableRecordImpl;
+
+import de.jottyfan.timetrack.db.project.tables.records.VExcelAppRecord;
+import de.jottyfan.timetrack.db.project.tables.records.VExcelWorkpackageAppRecord;
+import de.jottyfan.timetrack.db.project.tables.records.VExcelWorkpackageRecord;
+
+/**
+ * 
+ * @author jotty
+ * 
+ */
+public class ExcelWriter {
+  private final Map<String, List<? extends TableRecordImpl<?>>> sheetMap;
+
+  public ExcelWriter() {
+    this.sheetMap = new HashMap<>();
+  }
+
+  public void addSheet(String name, List<? extends TableRecordImpl<?>> data) {
+    sheetMap.put(name, data);
+  }
+
+  public void bundle(OutputStream stream) throws IOException {
+    try (Workbook workbook = new Workbook(stream, "timetrack", "1.0")) {
+      
+      sheetMap.forEach((key, sheetObjects) -> {
+        Worksheet worksheet = workbook.newWorksheet(key);
+        sheetObjects.forEach(so -> {
+          handleHeadLines(worksheet, so);
+        });
+        if (sheetObjects.size() > 0) {
+          Integer lineCounter = 1;
+          for (TableRecordImpl<?> sheetObject : sheetObjects) {
+            if (sheetObject instanceof VExcelWorkpackageRecord rec) {
+              lineCounter = fillFields(worksheet, rec, lineCounter);
+            } else if (sheetObject instanceof VExcelWorkpackageAppRecord rec) {
+              lineCounter = fillFields(worksheet, rec, lineCounter);
+            } else if (sheetObject instanceof VExcelAppRecord rec) {
+              lineCounter = fillFields(worksheet, rec, lineCounter);
+            } else {
+              throw new RuntimeException("unsupported TabelRecordImpl " + sheetObject.getClass().getSimpleName());
+            }
+          }
+        }
+      });
+      workbook.close();
+    }
+    stream.flush();
+  }
+
+  private void handleHeadLines(Worksheet worksheet, TableRecordImpl<?> tri) {
+    if (tri instanceof VExcelWorkpackageRecord) {
+      worksheet.value(0, 0, "project_id");
+      worksheet.value(0, 1, "project_name");
+      worksheet.value(0, 2, "project_description");
+      worksheet.value(0, 3, "funder_name");
+      worksheet.value(0, 4, "funder_description");
+      worksheet.value(0, 5, "workpackage_id");
+      worksheet.value(0, 6, "workpackage_name");
+      worksheet.value(0, 7, "workpackage_description");
+      worksheet.value(0, 8, "contract_url");
+      worksheet.value(0, 9, "milestone_url");
+      worksheet.value(0, 10, "planned_duedate");
+    } else if (tri instanceof VExcelWorkpackageAppRecord) {
+      worksheet.value(0, 0, "workpackage_app_id");
+      worksheet.value(0, 1, "workpackage_name");
+      worksheet.value(0, 2, "app_name");
+      worksheet.value(0, 3, "workpackage_id");
+      worksheet.value(0, 4, "app_id");
+    } else if (tri instanceof VExcelAppRecord) {
+      worksheet.value(0, 0, "app_id");
+      worksheet.value(0, 1, "replaced_by_app_with_id");
+      worksheet.value(0, 2, "name");
+      worksheet.value(0, 3, "description");
+      worksheet.value(0, 4, "basic_functionality");
+      worksheet.value(0, 5, "bundle_name");
+      worksheet.value(0, 6, "bundle_description");
+      worksheet.value(0, 7, "repository_url");
+      worksheet.value(0, 8, "orphan");
+    } else {
+      throw new RuntimeException("unsupported TabelRecordImpl " + tri.getClass().getSimpleName());
+    }
+  }
+
+  private Integer fillFields(Worksheet worksheet, VExcelWorkpackageRecord record, Integer lineCounter) {
+    worksheet.value(lineCounter, 0, record.getProjectId());
+    worksheet.value(lineCounter, 1, record.getProjectName());
+    worksheet.value(lineCounter, 2, record.getProjectDescription());
+    worksheet.value(lineCounter, 3, record.getFunderName());
+    worksheet.value(lineCounter, 4, record.getFunderDescription());
+    worksheet.value(lineCounter, 5, record.getWorkpackageId());
+    worksheet.value(lineCounter, 6, record.getWorkpackageName());
+    worksheet.value(lineCounter, 7, record.getWorkpackageDescription());
+    worksheet.value(lineCounter, 8, record.getContractUrl());
+    worksheet.value(lineCounter, 9, record.getMilestoneUrl());
+    worksheet.value(lineCounter, 10, record.getPlannedDuedate());
+    return lineCounter + 1;
+  }
+
+  private Integer fillFields(Worksheet worksheet, VExcelWorkpackageAppRecord record, Integer lineCounter) {
+    worksheet.value(lineCounter, 0, record.getWorkpackageAppId());
+    worksheet.value(lineCounter, 1, record.getWorkpackageName());
+    worksheet.value(lineCounter, 2, record.getAppName());
+    worksheet.value(lineCounter, 3, record.getWorkpackageId());
+    worksheet.value(lineCounter, 4, record.getAppId());
+    return lineCounter + 1;
+  }
+
+  private Integer fillFields(Worksheet worksheet, VExcelAppRecord record, Integer lineCounter) {
+    worksheet.value(lineCounter, 0, record.getAppId());
+    worksheet.value(lineCounter, 1, record.getReplacedByAppWithId());
+    worksheet.value(lineCounter, 2, record.getName());
+    worksheet.value(lineCounter, 3, record.getDescription());
+    worksheet.value(lineCounter, 4, record.getBasicFunctionality());
+    worksheet.value(lineCounter, 5, record.getBundleName());
+    worksheet.value(lineCounter, 6, record.getBundleDescription());
+    worksheet.value(lineCounter, 7, record.getRepositoryUrl());
+    worksheet.value(lineCounter, 8, record.getOrphan());
+    return lineCounter + 1;
+  }
+}

src/main/resources/templates/projectmanagement/dashboard.html

@@ -7,7 +7,8 @@
 	<font layout:fragment="title">Projekte</font>
 	<ul layout:fragment="menu">
 		<li class="nav-item" sec:authorize="hasRole('timetrack_user')">
-			<a class="nav-link btn btn-success btn-white-text" th:href="@{/projectmanagement/project/add}">Neues Projekt anlegen</a>
+			<a class="btn btn-outline-success" th:href="@{/projectmanagement/project/add}">Neues Projekt anlegen</a>
+			<a class="btn btn-outline-secondary" th:href="@{/projectmanagement/download}">Export</a>
 		</li>
 	</ul>
 	<main layout:fragment="content">