Test

Signed-off-by: Nils Burghardt <nilzbu@gmail.com>

.gitea/workflows/buildAndDeply.yaml

@@ -2,37 +2,60 @@ name: Build-und-Deploy
 
 on:
   push:
-    branches:
+    branches: [ master ]
-      - master
 
 jobs:
   build:
     runs-on: ubuntu-latest
+    container:
+      image: ci-java21-node20:latest
 
     steps:
-      - name: 📥 Repository auschecken
+      - name: Map gitea into /etc/hosts (ohne ip)
-        uses: actions/checkout@v3
+        shell: bash
-
-      - name: 🧼 IP-Adresse von Gitea zu /etc/hosts hinzufügen
-        run: echo "172.26.0.2 gitea" >> /etc/hosts
-
-      - name: 🛠 Baue das Projekt (ohne Tests)
-        run: ./gradlew clean build -x test
-
-      - name: 📦 JAR ins Shared Volume kopieren und archivieren
         run: |
+          set -euo pipefail
+          gw_hex="$(awk '$2=="00000000" {print $3; exit}' /proc/net/route || true)"
+          if [ -n "${gw_hex:-}" ]; then
+            gw="$(printf "%d.%d.%d.%d" 0x${gw_hex:6:2} 0x${gw_hex:4:2} 0x${gw_hex:2:2} 0x${gw_hex:0:2})"
+          else
+            gw="172.17.0.1"
+          fi
+          echo "$gw gitea" >> /etc/hosts
+          getent hosts gitea || true
+
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: 🧰 Gradle vorbereiten & Version
+        shell: bash
+        run: |
+          set -euxo pipefail
+          test -f ./gradlew || { echo "gradlew fehlt – bitte lokal 'gradle wrapper' ausführen und committen."; exit 1; }
+          chmod +x ./gradlew
+          ./gradlew --version
+
+      - name: 🏗️ Build Backend + Vaadin (Production)
+        shell: bash
+        run: |
+          set -euxo pipefail
+          # Vaadin im Production-Mode bündeln
+          ./gradlew clean build -x test --no-daemon -Pvaadin.productionMode
+          ls -al build/libs
+          JAR="$(ls -1 build/libs/*.jar | head -n1)"
+          echo "Gebautes JAR: $JAR"
+          # kurze Sichtprüfung, dass Frontend drin ist
+          jar tf "$JAR" | grep -E 'VAADIN|static/|index\.html' | head || true
+
+      - name: 📦 Nach /shared_jar_data deployen (fester Name + Archiv)
+        shell: bash
+        run: |
+          set -euxo pipefail
+          ts="$(date +'%Y%m%d-%H%M%S')"
           mkdir -p /shared_jar_data /shared_jar_data/archive
-          
+          SRC="$(ls -1 build/libs/*.jar | head -n1)"
-          # Zeitstempel im Format YYYYMMDD-HHMMSS
+          # WICHTIG: Fester Name, den docker-compose startet
-          timestamp=$(date +"%Y%m%d-%H%M%S")
+          cp -f "$SRC" "/shared_jar_data/MyTimeTracker-0.0.1-SNAPSHOT.jar"
-          
+          # Zusätzlich archivieren
-          # JAR-Datei kopieren (aktuelle Version)
+          cp -f "$SRC" "/shared_jar_data/archive/MyTimeTracker-${ts}.jar"
-          cp build/libs/MyTimeTracker-0.0.1-SNAPSHOT.jar /shared_jar_data/MyTimeTracker-0.0.1-SNAPSHOT.jar
+          ls -al /shared_jar_data | tail -n +1
-          
-          # JAR-Datei archivieren
-          cp build/libs/MyTimeTracker-0.0.1-SNAPSHOT.jar /shared_jar_data/archive/MyTimeTracker-$timestamp.jar
-
-      - name: 🚦 Neustart der Anwendung triggern
-        run: |
-          mkdir -p /shared_trigger_dir
-          touch /shared_trigger_dir/restart-requested

.gitea/workflows/restart.yaml

@@ -9,6 +9,6 @@ jobs:
     steps:
       - name: Docker Compose Restart
         run: |
-          cd /pfad/zum/docker-verzeichnis
+          cd /home/docker/apps/mytimetracker
           docker compose down
           docker compose up -d

build.gradle

@@ -10,7 +10,7 @@ version = '0.0.1-SNAPSHOT'
 
 java {
     toolchain {
-        languageVersion = JavaLanguageVersion.of(17)
+        languageVersion = JavaLanguageVersion.of(21)
     }
 }
 
@@ -22,6 +22,7 @@ configurations {
 
 repositories {
     mavenCentral()
+    maven { url 'https://maven.vaadin.com/vaadin-addons' }
 }
 
 ext {
@@ -32,6 +33,7 @@ dependencies {
     implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
     implementation 'org.springframework.boot:spring-boot-starter-security'
     implementation 'com.vaadin:vaadin-spring-boot-starter'
+    implementation("org.vaadin.crudui:crudui:7.2.0")
 
     runtimeOnly 'com.mysql:mysql-connector-j:8.3.0'
 

data/zeiterfassungdb.trace.db

@@ -78,7 +78,7 @@ insert into time_entries (comment,date,end_time,pause_minutes,start_time,status,
 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
 	at jdk.proxy4/jdk.proxy4.$Proxy164.save(Unknown Source)
 	at de.nilzbu.mytimetracker.service.TimeEntryService.save(TimeEntryService.java:31)
-	at de.nilzbu.mytimetracker.ui.view.TimeEntryView.lambda$configureButtons$9b1b5227$1(TimeEntryView.java:141)
+	at de.nilzbu.mytimetracker.ui.view.timeentry.TimeEntryView.lambda$configureButtons$9b1b5227$1(TimeEntryView.java:141)
 	at com.vaadin.flow.component.ComponentEventBus.fireEventForListener(ComponentEventBus.java:244)
 	at com.vaadin.flow.component.ComponentEventBus.handleDomEvent(ComponentEventBus.java:501)
 	at com.vaadin.flow.component.ComponentEventBus.lambda$addDomTrigger$dd1b7957$1(ComponentEventBus.java:303)
@@ -280,7 +280,7 @@ insert into time_entries (comment,date,end_time,pause_minutes,start_time,status,
 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
 	at jdk.proxy4/jdk.proxy4.$Proxy164.save(Unknown Source)
 	at de.nilzbu.mytimetracker.service.TimeEntryService.save(TimeEntryService.java:31)
-	at de.nilzbu.mytimetracker.ui.view.TimeEntryView.lambda$configureButtons$9b1b5227$1(TimeEntryView.java:141)
+	at de.nilzbu.mytimetracker.ui.view.timeentry.TimeEntryView.lambda$configureButtons$9b1b5227$1(TimeEntryView.java:141)
 	at com.vaadin.flow.component.ComponentEventBus.fireEventForListener(ComponentEventBus.java:244)
 	at com.vaadin.flow.component.ComponentEventBus.handleDomEvent(ComponentEventBus.java:501)
 	at com.vaadin.flow.component.ComponentEventBus.lambda$addDomTrigger$dd1b7957$1(ComponentEventBus.java:303)
@@ -482,7 +482,7 @@ insert into time_entries (comment,date,end_time,pause_minutes,start_time,status,
 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
 	at jdk.proxy4/jdk.proxy4.$Proxy164.save(Unknown Source)
 	at de.nilzbu.mytimetracker.service.TimeEntryService.save(TimeEntryService.java:31)
-	at de.nilzbu.mytimetracker.ui.view.TimeEntryView.lambda$configureButtons$9b1b5227$1(TimeEntryView.java:141)
+	at de.nilzbu.mytimetracker.ui.view.timeentry.TimeEntryView.lambda$configureButtons$9b1b5227$1(TimeEntryView.java:141)
 	at com.vaadin.flow.component.ComponentEventBus.fireEventForListener(ComponentEventBus.java:244)
 	at com.vaadin.flow.component.ComponentEventBus.handleDomEvent(ComponentEventBus.java:501)
 	at com.vaadin.flow.component.ComponentEventBus.lambda$addDomTrigger$dd1b7957$1(ComponentEventBus.java:303)
@@ -684,7 +684,7 @@ insert into time_entries (comment,date,end_time,pause_minutes,start_time,status,
 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
 	at jdk.proxy4/jdk.proxy4.$Proxy164.save(Unknown Source)
 	at de.nilzbu.mytimetracker.service.TimeEntryService.save(TimeEntryService.java:31)
-	at de.nilzbu.mytimetracker.ui.view.TimeEntryView.lambda$configureButtons$9b1b5227$1(TimeEntryView.java:141)
+	at de.nilzbu.mytimetracker.ui.view.timeentry.TimeEntryView.lambda$configureButtons$9b1b5227$1(TimeEntryView.java:141)
 	at com.vaadin.flow.component.ComponentEventBus.fireEventForListener(ComponentEventBus.java:244)
 	at com.vaadin.flow.component.ComponentEventBus.handleDomEvent(ComponentEventBus.java:501)
 	at com.vaadin.flow.component.ComponentEventBus.lambda$addDomTrigger$dd1b7957$1(ComponentEventBus.java:303)
@@ -886,7 +886,7 @@ insert into time_entries (comment,date,end_time,pause_minutes,start_time,status,
 	at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:223)
 	at jdk.proxy4/jdk.proxy4.$Proxy164.save(Unknown Source)
 	at de.nilzbu.mytimetracker.service.TimeEntryService.save(TimeEntryService.java:31)
-	at de.nilzbu.mytimetracker.ui.view.TimeEntryView.lambda$configureButtons$9b1b5227$1(TimeEntryView.java:141)
+	at de.nilzbu.mytimetracker.ui.view.timeentry.TimeEntryView.lambda$configureButtons$9b1b5227$1(TimeEntryView.java:141)
 	at com.vaadin.flow.component.ComponentEventBus.fireEventForListener(ComponentEventBus.java:244)
 	at com.vaadin.flow.component.ComponentEventBus.handleDomEvent(ComponentEventBus.java:501)
 	at com.vaadin.flow.component.ComponentEventBus.lambda$addDomTrigger$dd1b7957$1(ComponentEventBus.java:303)

settings.gradle

@@ -1 +1,5 @@
+plugins {
+    id 'org.gradle.toolchains.foojay-resolver-convention' version '0.9.0'
+}
+
 rootProject.name = 'MyTimeTracker'

src/main/frontend/themes/myTheme/styles.css

@@ -1,4 +1,3 @@
-
 :root {
     --lumo-font-size: 1rem;
     --lumo-font-size-xxxl: 3rem;
@@ -9,11 +8,14 @@
     --lumo-font-size-s: 1rem;
     --lumo-font-size-xs: 0.875rem;
     --lumo-font-size-xxs: 0.8125rem;
+
     --lumo-primary-text-color: rgb(9, 134, 24);
     --lumo-primary-color-50pct: rgba(9, 134, 24, 0.5);
     --lumo-primary-color-10pct: rgba(9, 134, 24, 0.1);
     --lumo-primary-color: hsl(127, 87%, 28%);
-     --lumo-base-color: #dadcc79e;
+
+    --lumo-base-color: #dadcc7;
+
     --lumo-tint-5pct: rgba(101, 105, 63, 0.05);
     --lumo-tint-10pct: rgba(101, 105, 63, 0.1);
     --lumo-tint-20pct: rgba(101, 105, 63, 0.2);
@@ -24,9 +26,44 @@
     --lumo-tint-70pct: rgba(101, 105, 63, 0.7);
     --lumo-tint-80pct: rgba(101, 105, 63, 0.8);
     --lumo-tint-90pct: rgba(101, 105, 63, 0.9);
-     --lumo-tint: #65693fed;
+    --lumo-tint: #65693f;
+
     --lumo-success-text-color: rgb(56, 204, 36);
     --lumo-success-color-50pct: rgba(56, 204, 36, 0.5);
     --lumo-success-color-10pct: rgba(56, 204, 36, 0.1);
     --lumo-success-color: hsl(113, 70%, 47%);
+
+    /* Lumo-Tokens, die IntelliJ anmeckert – mit sinnvollen Defaults */
+    --lumo-space-xs: 0.25rem;
+    --lumo-border-radius-s: 0.25rem;
+    --lumo-contrast-10pct: rgba(0, 0, 0, 0.06);
+    --lumo-size-s: 2rem;
+}
+
+/* Deckender Hintergrund + Rahmen für die Filter-Wrapper im Header */
+.filter-cell {
+    background: var(--lumo-base-color, #fff);
+    padding: var(--lumo-space-xs, 0.25rem);
+    border-radius: var(--lumo-border-radius-s, 0.25rem);
+    /* zarte Kontur; Fallback, falls IntelliJ die Var. nicht kennt */
+    box-shadow: inset 0 0 0 1px var(--lumo-contrast-10pct, rgba(0,0,0,0.06));
+    display: block;
+    background-clip: padding-box; /* verhindert „Ausbluten“ */
+}
+
+vaadin-grid::part(header-row),
+
+vaadin-grid::part(header-cell) {
+    background: var(--lumo-base-color, #fff);
+    box-shadow: 0 1px 0 0 var(--lumo-contrast-10pct, rgba(0,0,0,0.06));
+    min-height: var(--lumo-size-s, 2rem); /* gleichmäßige Höhe */
+}
+
+.filter-cell :is(vaadin-date-picker,
+                 vaadin-combo-box,
+                 vaadin-text-field,
+                 vaadin-checkbox,
+                 vaadin-button) {
+    margin: 0;
+    width: 100%;
 }

src/main/java/de/nilzbu/mytimetracker/model/TimeEntry.java

@@ -49,6 +49,7 @@ public class TimeEntry {
      */
     @Enumerated(EnumType.STRING)
     @Column(nullable = false)
+    @Builder.Default
     private DayStatus status = DayStatus.REMOTE;
 
     private String comment;

src/main/java/de/nilzbu/mytimetracker/model/User.java

@@ -34,9 +34,11 @@ public class User {
     private Set<String> roles; // z.B. ROLE_USER, ROLE_ADMIN
 
     @Column(nullable = false)
+    @Builder.Default
     private boolean enabled = true;
 
     @Column(nullable = false)
+    @Builder.Default
     private boolean locked = false;
 
     @OneToMany(mappedBy = "user", cascade = CascadeType.ALL, orphanRemoval = true)

src/main/java/de/nilzbu/mytimetracker/service/TimeEntryService.java

@@ -23,6 +23,10 @@ public class TimeEntryService {
         return repository.findAllByUserOrderByDateDesc(user);
     }
 
+    public int getNumberOfEntriesForUser(User user) {
+        return getEntriesForUser(user).size();
+    }
+
     public TimeEntry save(TimeEntry entry) {
         return repository.save(entry);
     }

src/main/java/de/nilzbu/mytimetracker/ui/layout/MainLayout.java

@@ -9,7 +9,7 @@ import com.vaadin.flow.router.RouterLink;
 import com.vaadin.flow.server.VaadinServletRequest;
 import com.vaadin.flow.server.VaadinServletResponse;
 import de.nilzbu.mytimetracker.ui.view.DashboardOverView;
-import de.nilzbu.mytimetracker.ui.view.TimeEntryView;
+import de.nilzbu.mytimetracker.ui.view.timeentry.TimeEntryView;
 import de.nilzbu.mytimetracker.ui.view.UserManagementView;
 import jakarta.annotation.security.PermitAll;
 import jakarta.servlet.http.HttpServletRequest;

src/main/java/de/nilzbu/mytimetracker/ui/view/DashboardOverView.java

@@ -19,6 +19,7 @@ import de.nilzbu.mytimetracker.ui.component.ChartJsComponent;
 import de.nilzbu.mytimetracker.ui.layout.MainLayout;
 import de.nilzbu.mytimetracker.ui.widget.KeyFigureWidget;
 import jakarta.annotation.security.PermitAll;
+import org.jetbrains.annotations.NotNull;
 import org.springframework.security.core.context.SecurityContextHolder;
 
 import java.time.LocalDate;
@@ -150,8 +151,14 @@ public class DashboardOverView extends VerticalLayout {
         chartLayout.setSpacing(true);
 
         Component categoryChart = createCategoryBarChart(scopedEntries);
-        Component overtimeChart = createOvertimeLineChart(allEntries, scopedEntries);
+        categoryChart.getStyle().setBackgroundColor("lightgray");
+        categoryChart.getStyle().setBorder("1px solid black" );
+        categoryChart.getStyle().setMargin("10px");
 
+        Component overtimeChart = createOvertimeLineChart(allEntries, scopedEntries);
+        overtimeChart.getStyle().setBackgroundColor("lightgray");
+        overtimeChart.getStyle().setBorder("1px solid black" );
+        overtimeChart.getStyle().setMargin("10px");
 
         chartLayout.add(categoryChart, overtimeChart);
         chartLayout.setFlexGrow(1, categoryChart);
@@ -184,18 +191,30 @@ public class DashboardOverView extends VerticalLayout {
                 calculateDaysWithDayStatus.apply(scopedEntries, DayStatus.SICK)
         );
 
-        KeyFigureWidget deviation = new KeyFigureWidget(
+        KeyFigureWidget timeBalance = new KeyFigureWidget(
-                "Deviation",
+                "Time Balance",
-                "" + scopedEntries.stream()
+                getTimeBalance(scopedEntries)
-                        .map(entry -> timeEntryService.calculateNetWorkMinutes(entry) - entry.getTargetMinutes())
-                        .reduce(0, Integer::sum)
         );
 
-        keyFigureLayout.add(deviation, workingDays, remoteDays, officeDays, vacationDays, sickDays);
+        keyFigureLayout.getStyle().setBackgroundColor("lightgray");
+        keyFigureLayout.getStyle().setBorder("1px solid black" );
+        keyFigureLayout.getStyle().setMargin("10px");
+
+        keyFigureLayout.add(timeBalance, workingDays, remoteDays, officeDays, vacationDays, sickDays);
 
         contentContainer.add(keyFigureLayout);
     }
 
+    @NotNull
+    private String getTimeBalance(List<TimeEntry> scopedEntries) {
+        Integer minutes = scopedEntries.stream()
+                .map(entry -> timeEntryService.calculateNetWorkMinutes(entry) - entry.getTargetMinutes())
+                .reduce(0, Integer::sum);
+
+        double hours = minutes / 60.0;
+        return "%.2f h".formatted(hours);
+    }
+
     private Component createCategoryBarChart(List<TimeEntry> entries) {
         Map<String, Long> statusCount = entries.stream()
                 .collect(Collectors.groupingBy(e -> e.getStatus().name(), Collectors.counting()));

src/main/java/de/nilzbu/mytimetracker/ui/view/TimeEntryView.java

@@ -1,239 +0,0 @@
-package de.nilzbu.mytimetracker.ui.view;
-
-import com.vaadin.flow.component.button.Button;
-import com.vaadin.flow.component.combobox.ComboBox;
-import com.vaadin.flow.component.datepicker.DatePicker;
-import com.vaadin.flow.component.grid.Grid;
-import com.vaadin.flow.component.notification.Notification;
-import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
-import com.vaadin.flow.component.orderedlayout.VerticalLayout;
-import com.vaadin.flow.component.textfield.NumberField;
-import com.vaadin.flow.component.textfield.TextArea;
-import com.vaadin.flow.component.timepicker.TimePicker;
-import com.vaadin.flow.router.PageTitle;
-import com.vaadin.flow.router.Route;
-import de.nilzbu.mytimetracker.model.DayStatus;
-import de.nilzbu.mytimetracker.model.TimeEntry;
-import de.nilzbu.mytimetracker.model.User;
-import de.nilzbu.mytimetracker.repository.UserRepository;
-import de.nilzbu.mytimetracker.service.TimeEntryService;
-import de.nilzbu.mytimetracker.ui.layout.MainLayout;
-import jakarta.annotation.security.PermitAll;
-import org.springframework.security.core.context.SecurityContextHolder;
-
-import java.time.LocalDate;
-import java.util.List;
-
-@Route(value = "time-entry", layout = MainLayout.class)
-@PageTitle("Time Entry")
-@PermitAll
-public class TimeEntryView extends VerticalLayout {
-
-    private final TimeEntryService timeEntryService;
-    private final UserRepository userRepository;
-    private User currentUser;
-
-    private final DatePicker datePicker = new DatePicker("Date");
-    private final TimePicker startTimePicker = new TimePicker("Start Time");
-    private final TimePicker endTimePicker = new TimePicker("End Time");
-    private final NumberField breakField = new NumberField("Break (min)");
-    private final NumberField targetField = new NumberField("Target Time (min)");
-    private final TextArea commentArea = new TextArea("Comment");
-    private final ComboBox<DayStatus> statusCombo = new ComboBox<>("Status");
-
-    private final Button saveBtn = new Button("Save");
-    private final Button updateBtn = new Button("Update");
-    private final Button deleteBtn = new Button("Delete");
-
-    private final Grid<TimeEntry> entryGrid = new Grid<>(TimeEntry.class, false);
-    private TimeEntry selectedEntry = null;
-
-    private final DatePicker fromDate = new DatePicker("From");
-    private final DatePicker toDate = new DatePicker("To");
-    private final Button applyFilterBtn = new Button("Apply Filter");
-
-    public TimeEntryView(TimeEntryService timeEntryService, UserRepository userRepository) {
-        this.timeEntryService = timeEntryService;
-        this.userRepository = userRepository;
-
-        setSizeFull();
-
-        initializeUser();
-        configureFormFields();
-        configureButtons();
-        configureGrid();
-
-        datePicker.addValueChangeListener(e -> toggleSaveButton());
-
-        add(buildFormLayout(), buildButtonLayout(), buildDateRangeFilterLayout(), entryGrid);
-        refreshGrid();
-        toggleSaveButton();
-    }
-
-    private void initializeUser() {
-        String username = SecurityContextHolder.getContext().getAuthentication().getName();
-        this.currentUser = userRepository.findByUsername(username)
-                .orElseThrow(() -> new RuntimeException("User not found"));
-    }
-
-    private void configureFormFields() {
-        datePicker.setValue(LocalDate.now());
-        breakField.setValue(30.0);
-        targetField.setValue(480.0);
-        statusCombo.setItems(DayStatus.values());
-        statusCombo.setValue(DayStatus.REMOTE);
-    }
-
-    private HorizontalLayout buildFormLayout() {
-        return new HorizontalLayout(datePicker, startTimePicker, endTimePicker,
-                breakField, targetField, commentArea, statusCombo);
-    }
-
-    private HorizontalLayout buildButtonLayout() {
-        updateBtn.setEnabled(false);
-        deleteBtn.setEnabled(false);
-        return new HorizontalLayout(saveBtn, updateBtn, deleteBtn);
-    }
-
-    private HorizontalLayout buildDateRangeFilterLayout() {
-        applyFilterBtn.addClickListener(e -> refreshGrid());
-
-        HorizontalLayout filterLayout = new HorizontalLayout(fromDate, toDate, applyFilterBtn);
-        filterLayout.setAlignItems(Alignment.END);
-        return filterLayout;
-    }
-
-    private void configureButtons() {
-        saveBtn.addClickListener(e -> saveEntry());
-        updateBtn.addClickListener(e -> updateEntry());
-        deleteBtn.addClickListener(e -> deleteEntry());
-    }
-
-    private void saveEntry() {
-        if (!isDateAvailable(datePicker.getValue())) {
-            Notification.show("An entry already exists for this date.");
-            return;
-        }
-
-        TimeEntry entry = TimeEntry.builder()
-                .user(currentUser)
-                .date(datePicker.getValue())
-                .startTime(startTimePicker.getValue())
-                .endTime(endTimePicker.getValue())
-                .pauseMinutes(breakField.getValue().intValue())
-                .targetMinutes(targetField.getValue().intValue())
-                .status(statusCombo.getValue())
-                .comment(commentArea.getValue())
-                .build();
-
-        timeEntryService.save(entry);
-        clearForm();
-        refreshGrid();
-        Notification.show("Entry saved");
-    }
-
-    private void updateEntry() {
-        if (selectedEntry == null) return;
-
-        selectedEntry.setDate(datePicker.getValue());
-        selectedEntry.setStartTime(startTimePicker.getValue());
-        selectedEntry.setEndTime(endTimePicker.getValue());
-        selectedEntry.setPauseMinutes(breakField.getValue().intValue());
-        selectedEntry.setTargetMinutes(targetField.getValue().intValue());
-        selectedEntry.setStatus(statusCombo.getValue());
-        selectedEntry.setComment(commentArea.getValue());
-
-        timeEntryService.save(selectedEntry);
-        clearForm();
-        refreshGrid();
-        Notification.show("Entry updated");
-    }
-
-    private void deleteEntry() {
-        if (selectedEntry == null) return;
-
-        timeEntryService.delete(selectedEntry);
-        clearForm();
-        refreshGrid();
-        Notification.show("Entry deleted");
-    }
-
-    private void configureGrid() {
-        entryGrid.setSizeFull();
-
-        entryGrid.addColumn(TimeEntry::getDate).setHeader("Date").setSortable(true);
-        entryGrid.addColumn(TimeEntry::getStartTime).setHeader("Start").setSortable(true);
-        entryGrid.addColumn(TimeEntry::getEndTime).setHeader("End").setSortable(true);
-        entryGrid.addColumn(TimeEntry::getPauseMinutes).setHeader("Break (min)").setSortable(true);
-        entryGrid.addColumn(TimeEntry::getTargetMinutes).setHeader("Target (min)").setSortable(true);
-        entryGrid.addColumn(timeEntryService::calculateNetWorkMinutes).setHeader("Actual (min)").setSortable(true);
-        entryGrid.addColumn(TimeEntry::getStatus).setHeader("Status").setSortable(true);
-        entryGrid.addColumn(TimeEntry::getComment).setHeader("Comment").setSortable(true);
-        entryGrid.addColumn(timeEntryService::calculateDeviation).setHeader("Deviation (min)").setSortable(true);
-
-        entryGrid.getColumns().forEach(col -> col.setAutoWidth(true));
-
-        entryGrid.asSingleSelect().addValueChangeListener(event -> populateForm(event.getValue()));
-    }
-
-    private void refreshGrid() {
-        List<TimeEntry> entries = timeEntryService.getEntriesForUser(currentUser);
-
-        if (fromDate.getValue() != null) {
-            entries = entries.stream()
-                    .filter(entry -> !entry.getDate().isBefore(fromDate.getValue()))
-                    .toList();
-        }
-
-        if (toDate.getValue() != null) {
-            entries = entries.stream()
-                    .filter(entry -> !entry.getDate().isAfter(toDate.getValue()))
-                    .toList();
-        }
-
-        entryGrid.setItems(entries);
-    }
-
-    private void populateForm(TimeEntry entry) {
-        selectedEntry = entry;
-
-        if (entry != null) {
-            datePicker.setValue(entry.getDate());
-            startTimePicker.setValue(entry.getStartTime());
-            endTimePicker.setValue(entry.getEndTime());
-            breakField.setValue((double) entry.getPauseMinutes());
-            targetField.setValue((double) entry.getTargetMinutes());
-            statusCombo.setValue(entry.getStatus());
-            commentArea.setValue(entry.getComment() != null ? entry.getComment() : "");
-
-            updateBtn.setEnabled(true);
-            deleteBtn.setEnabled(true);
-            saveBtn.setEnabled(false);
-        } else {
-            clearForm();
-        }
-    }
-
-    private void clearForm() {
-        selectedEntry = null;
-        datePicker.setValue(LocalDate.now());
-        startTimePicker.clear();
-        endTimePicker.clear();
-        breakField.setValue(30.0);
-        targetField.setValue(480.0);
-        statusCombo.setValue(DayStatus.REMOTE);
-        commentArea.clear();
-        updateBtn.setEnabled(false);
-        deleteBtn.setEnabled(false);
-        toggleSaveButton();
-    }
-
-    private void toggleSaveButton() {
-        saveBtn.setEnabled(isDateAvailable(datePicker.getValue()));
-    }
-
-    private boolean isDateAvailable(LocalDate date) {
-        return timeEntryService.getEntriesForUser(currentUser).stream()
-                .noneMatch(entry -> entry.getDate().equals(date));
-    }
-}

src/main/java/de/nilzbu/mytimetracker/ui/view/timeentry/TimeEntryFormConfigurer.java

@@ -0,0 +1,112 @@
+package de.nilzbu.mytimetracker.ui.view.timeentry;
+
+import com.vaadin.flow.component.combobox.ComboBox;
+import com.vaadin.flow.component.datepicker.DatePicker;
+import com.vaadin.flow.component.textfield.IntegerField;
+import com.vaadin.flow.component.textfield.TextArea;
+import com.vaadin.flow.component.timepicker.TimePicker;
+import com.vaadin.flow.function.SerializableSupplier;
+import de.nilzbu.mytimetracker.model.DayStatus;
+import de.nilzbu.mytimetracker.model.TimeEntry;
+import org.vaadin.crudui.crud.CrudOperation;
+import org.vaadin.crudui.crud.impl.GridCrud;
+import org.vaadin.crudui.form.CrudFormFactory;
+import org.vaadin.crudui.form.impl.form.factory.DefaultCrudFormFactory;
+
+import java.time.Duration;
+import java.time.LocalDate;
+import java.time.LocalTime;
+import java.util.Locale;
+
+final class TimeEntryFormConfigurer {
+
+    private TimeEntryFormConfigurer() {
+    }
+
+    static void configure(GridCrud<TimeEntry> crud, SerializableSupplier<TimeEntry> newInstanceSupplier) {
+        CrudFormFactory<TimeEntry> formFactory = new DefaultCrudFormFactory<>(TimeEntry.class);
+
+        formFactory.setVisibleProperties(
+                CrudOperation.ADD, "date", "startTime", "endTime", "pauseMinutes", "targetMinutes", "status", "comment"
+        );
+        formFactory.setVisibleProperties(
+                CrudOperation.UPDATE, "date", "startTime", "endTime", "pauseMinutes", "targetMinutes", "status", "comment"
+        );
+
+        // Date
+        formFactory.setFieldProvider("date", (TimeEntry bean) -> {
+            DatePicker dp = new DatePicker("Date");
+            dp.setRequiredIndicatorVisible(true);
+            if (bean == null || bean.getDate() == null) {
+                dp.setValue(LocalDate.now());
+            }
+            return dp;
+        });
+
+        // Start/End
+        formFactory.setFieldProvider("startTime", (TimeEntry bean) -> {
+            TimePicker tp = new TimePicker("Start");
+            tp.setRequiredIndicatorVisible(true);
+
+            tp.setLocale(Locale.of("de", "DE"));
+            tp.setMin(LocalTime.of(5, 0));
+            tp.setMax(LocalTime.of(23, 59));
+            tp.setStep(Duration.ofMinutes(15));
+            return tp;
+        });
+        formFactory.setFieldProvider("endTime", (TimeEntry bean) -> {
+            TimePicker tp = new TimePicker("End");
+            tp.setRequiredIndicatorVisible(true);
+            tp.setLocale(Locale.of("de", "DE"));
+            tp.setMin(LocalTime.of(5, 0));
+            tp.setMax(LocalTime.of(23, 59));
+            tp.setStep(Duration.ofMinutes(15));
+
+            return tp;
+        });
+
+        // Integers (no null-checks on primitives; defaults are provided by newInstanceSupplier)
+        formFactory.setFieldProvider("pauseMinutes", (TimeEntry bean) -> {
+            IntegerField f = new IntegerField("Break (min)");
+            f.setMin(0);
+            f.setStep(1); // allow any integer (e.g., 44)
+            f.setStepButtonsVisible(true);
+            f.setRequiredIndicatorVisible(true);
+            return f;
+        });
+
+        formFactory.setFieldProvider("targetMinutes", (TimeEntry bean) -> {
+            IntegerField f = new IntegerField("Target (min)");
+            f.setMin(0);
+            f.setStep(1);
+            f.setStepButtonsVisible(true);
+            f.setRequiredIndicatorVisible(true);
+            return f;
+        });
+
+        // Status
+        formFactory.setFieldProvider("status", (TimeEntry bean) -> {
+            ComboBox<DayStatus> cb = new ComboBox<>("Status");
+            cb.setItems(DayStatus.values());
+            cb.setItemLabelGenerator(Enum::name);
+            cb.setRequiredIndicatorVisible(true);
+            if (bean == null || bean.getStatus() == null) {
+                cb.setValue(DayStatus.REMOTE);
+            }
+            return cb;
+        });
+
+        // Comment
+        formFactory.setFieldProvider("comment", (TimeEntry bean) -> {
+            TextArea ta = new TextArea("Comment");
+            ta.setMaxLength(500);
+            ta.setWidthFull();
+            return ta;
+        });
+
+        formFactory.setNewInstanceSupplier(newInstanceSupplier);
+        formFactory.setUseBeanValidation(true);
+
+        crud.setCrudFormFactory(formFactory);
+    }
+}

src/main/java/de/nilzbu/mytimetracker/ui/view/timeentry/TimeEntryHeaderFilters.java

@@ -0,0 +1,152 @@
+package de.nilzbu.mytimetracker.ui.view.timeentry;
+
+import com.vaadin.flow.component.checkbox.Checkbox;
+import com.vaadin.flow.component.combobox.ComboBox;
+import com.vaadin.flow.component.datepicker.DatePicker;
+import com.vaadin.flow.component.grid.Grid;
+import com.vaadin.flow.component.grid.HeaderRow;
+import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
+import com.vaadin.flow.component.textfield.TextField;
+import de.nilzbu.mytimetracker.model.DayStatus;
+import de.nilzbu.mytimetracker.model.TimeEntry;
+import de.nilzbu.mytimetracker.service.TimeEntryService;
+
+import java.time.LocalDate;
+import java.util.List;
+
+final class TimeEntryHeaderFilters {
+
+    private final TimeEntryService service; // needed for deviation/actual calculations
+
+    TimeEntryHeaderFilters(TimeEntryService service) {
+        this.service = service;
+    }
+
+    // instance-held controls
+    private final DatePicker fromDate = new DatePicker("From");
+    private final DatePicker toDate = new DatePicker("To");
+    private final ComboBox<DayStatus> statusFilter = new ComboBox<>("Status");
+    private final TextField searchField = new TextField("Search");
+    private final Checkbox onlyWithDeviation = new Checkbox("≠ 0");
+
+    void configureGridAndFilters(Grid<TimeEntry> grid, Runnable onFilterChanged) {
+        grid.removeAllColumns();
+
+        var dateCol    = grid.addColumn(TimeEntry::getDate).setHeader("Date").setSortable(true).setAutoWidth(true);
+        grid.addColumn(TimeEntry::getStartTime).setHeader("Start").setSortable(true).setAutoWidth(true);
+        grid.addColumn(TimeEntry::getEndTime).setHeader("End").setSortable(true).setAutoWidth(true);
+        grid.addColumn(TimeEntry::getPauseMinutes).setHeader("Break (min)").setSortable(true).setAutoWidth(true);
+        grid.addColumn(TimeEntry::getTargetMinutes).setHeader("Target (min)").setSortable(true).setAutoWidth(true);
+        grid.addColumn(service::calculateNetWorkMinutes).setHeader("Actual (min)").setSortable(true).setAutoWidth(true);
+        var statusCol  = grid.addColumn(TimeEntry::getStatus).setHeader("Status").setSortable(true).setAutoWidth(true);
+        var commentCol = grid.addColumn(TimeEntry::getComment).setHeader("Comment").setSortable(true).setAutoWidth(true);
+        var devCol     = grid.addColumn(service::calculateDeviation).setHeader("Δ (min)").setSortable(true).setAutoWidth(true);
+
+        grid.setSelectionMode(Grid.SelectionMode.SINGLE);
+
+        HeaderRow filterRow = grid.appendHeaderRow();
+
+        // Date range (From/To)
+        initDatePicker(fromDate);
+        initDatePicker(toDate);
+        HorizontalLayout dateRange = new HorizontalLayout(fromDate, toDate);
+        dateRange.setSpacing(true);
+        dateRange.setPadding(false);
+        dateRange.setAlignItems(HorizontalLayout.Alignment.BASELINE);
+        dateRange.getStyle().set("gap", "0.25rem");
+        filterRow.getCell(dateCol).setComponent(wrap(dateRange));
+
+        // Status
+        statusFilter.setItems(DayStatus.values());
+        statusFilter.setItemLabelGenerator(Enum::name);
+        statusFilter.setPlaceholder("Any");
+        statusFilter.setClearButtonVisible(true);
+        themeSmall(statusFilter);
+        filterRow.getCell(statusCol).setComponent(wrap(statusFilter));
+
+        // Comment search
+        searchField.setPlaceholder("Search…");
+        searchField.setClearButtonVisible(true);
+        themeSmall(searchField);
+        filterRow.getCell(commentCol).setComponent(wrap(searchField));
+
+        // Deviation ≠ 0
+        themeSmall(onlyWithDeviation);
+        filterRow.getCell(devCol).setComponent(wrap(onlyWithDeviation));
+
+        // Auto-apply
+        fromDate.addValueChangeListener(e -> onFilterChanged.run());
+        toDate.addValueChangeListener(e -> onFilterChanged.run());
+        statusFilter.addValueChangeListener(e -> onFilterChanged.run());
+        searchField.addValueChangeListener(e -> onFilterChanged.run());
+        onlyWithDeviation.addValueChangeListener(e -> onFilterChanged.run());
+
+        // Optional widths (valid Column API)
+        dateCol.setFlexGrow(0).setWidth("240px");
+        statusCol.setFlexGrow(0).setWidth("160px");
+        commentCol.setAutoWidth(true);  // no setMinWidth in API
+        devCol.setFlexGrow(0).setWidth("120px");
+    }
+
+    List<TimeEntry> applyFilters(List<TimeEntry> source) {
+        LocalDate from = fromDate.getValue();
+        LocalDate to   = toDate.getValue();
+
+        boolean invalidRange = from != null && to != null && from.isAfter(to);
+        fromDate.setInvalid(invalidRange);
+        toDate.setInvalid(invalidRange);
+        fromDate.setErrorMessage(invalidRange ? "'From' must not be after 'To'" : null);
+        toDate.setErrorMessage(invalidRange ? "'To' must not be before 'From'" : null);
+        if (invalidRange) return List.of();
+
+        if (from != null) {
+            source = source.stream().filter(e -> !e.getDate().isBefore(from)).toList();
+        }
+        if (to != null) {
+            source = source.stream().filter(e -> !e.getDate().isAfter(to)).toList();
+        }
+
+        DayStatus s = statusFilter.getValue();
+        if (s != null) {
+            source = source.stream().filter(e -> e.getStatus() == s).toList();
+        }
+
+        if (Boolean.TRUE.equals(onlyWithDeviation.getValue())) {
+            source = source.stream()
+                    .filter(e -> service.calculateDeviation(e) != 0)
+                    .toList();
+        }
+
+        String q = searchField.getValue();
+        if (q != null && !q.isBlank()) {
+            String needle = q.trim().toLowerCase();
+            source = source.stream().filter(e ->
+                    (e.getComment() != null && e.getComment().toLowerCase().contains(needle))
+                            || (e.getStatus() != null && e.getStatus().name().toLowerCase().contains(needle))
+            ).toList();
+        }
+
+        return source;
+    }
+
+    /* ---- helpers ---- */
+
+    private static void initDatePicker(DatePicker dp) {
+        dp.setClearButtonVisible(true);
+        dp.setPlaceholder(dp.getLabel());
+        themeSmall(dp);
+    }
+
+    private static <T extends com.vaadin.flow.component.Component> T themeSmall(T c) {
+        c.getElement().getThemeList().add("small");
+        return c;
+    }
+
+    private static Div wrap(com.vaadin.flow.component.Component c) {
+        Div w = new Div(c);
+        w.addClassName("filter-cell");
+        w.getStyle().set("width", "100%");
+        return w;
+    }
+}

src/main/java/de/nilzbu/mytimetracker/ui/view/timeentry/TimeEntryValidators.java

@@ -0,0 +1,34 @@
+package de.nilzbu.mytimetracker.ui.view.timeentry;
+
+import de.nilzbu.mytimetracker.model.TimeEntry;
+import de.nilzbu.mytimetracker.model.User;
+import de.nilzbu.mytimetracker.service.TimeEntryService;
+
+import java.time.LocalTime;
+
+final class TimeEntryValidators {
+
+    private TimeEntryValidators() {}
+
+    static void validate(TimeEntry entry, TimeEntryService service, User currentUser) {
+        requireEndAfterStart(entry);
+        requireUniqueDate(entry, service, currentUser);
+    }
+
+    private static void requireEndAfterStart(TimeEntry entry) {
+        LocalTime s = entry.getStartTime();
+        LocalTime e = entry.getEndTime();
+        if (s != null && e != null && e.isBefore(s)) {
+            throw new IllegalArgumentException("End time must not be before start time.");
+        }
+    }
+
+    private static void requireUniqueDate(TimeEntry candidate, TimeEntryService service, User currentUser) {
+        boolean existsSameDate = service.getEntriesForUser(currentUser).stream()
+                .filter(e -> e.getDate() != null && e.getDate().equals(candidate.getDate()))
+                .anyMatch(e -> candidate.getId() == null || !e.getId().equals(candidate.getId()));
+        if (existsSameDate) {
+            throw new IllegalArgumentException("An entry already exists for this date.");
+        }
+    }
+}

src/main/java/de/nilzbu/mytimetracker/ui/view/timeentry/TimeEntryView.java

@@ -0,0 +1,103 @@
+package de.nilzbu.mytimetracker.ui.view.timeentry;
+
+import com.vaadin.flow.component.html.H2;
+import com.vaadin.flow.component.orderedlayout.FlexComponent;
+import com.vaadin.flow.component.orderedlayout.VerticalLayout;
+import com.vaadin.flow.router.PageTitle;
+import com.vaadin.flow.router.Route;
+import de.nilzbu.mytimetracker.model.TimeEntry;
+import de.nilzbu.mytimetracker.model.User;
+import de.nilzbu.mytimetracker.repository.UserRepository;
+import de.nilzbu.mytimetracker.service.TimeEntryService;
+import de.nilzbu.mytimetracker.ui.layout.MainLayout;
+import jakarta.annotation.security.PermitAll;
+import org.springframework.security.core.context.SecurityContextHolder;
+import org.vaadin.crudui.crud.impl.GridCrud;
+import org.vaadin.crudui.layout.impl.VerticalCrudLayout;
+
+import java.time.LocalDate;
+
+@Route(value = "time-entry", layout = MainLayout.class)
+@PageTitle("Time Entries")
+@PermitAll
+public class TimeEntryView extends VerticalLayout {
+
+    private final TimeEntryService timeEntryService;
+    private final UserRepository userRepository;
+    private User currentUser;
+
+    private final GridCrud<TimeEntry> crud;
+
+    public TimeEntryView(TimeEntryService timeEntryService, UserRepository userRepository) {
+        this.timeEntryService = timeEntryService;
+        this.userRepository = userRepository;
+
+        setSizeFull();
+        setPadding(true);
+        setSpacing(true);
+
+        initCurrentUser();
+
+        this.crud = new GridCrud<>(TimeEntry.class, new VerticalCrudLayout());
+        crud.setSizeFull();
+
+        // Header filters need the service (for deviation/actual calculations)
+        TimeEntryHeaderFilters headerFilters = new TimeEntryHeaderFilters(timeEntryService);
+        headerFilters.configureGridAndFilters(crud.getGrid(), this::refresh);
+
+        TimeEntryFormConfigurer.configure(crud, this::defaultNewEntry);
+
+        configureOperations(headerFilters);
+
+        add(new H2("Time Entries"), crud);
+        setAlignItems(FlexComponent.Alignment.STRETCH);
+
+        refresh();
+    }
+
+    private void initCurrentUser() {
+        String username = SecurityContextHolder.getContext().getAuthentication().getName();
+        this.currentUser = userRepository.findByUsername(username)
+                .orElseThrow(() -> new IllegalStateException("User not found"));
+    }
+
+    private TimeEntry defaultNewEntry() {
+        TimeEntry t = new TimeEntry();
+        t.setUser(currentUser);
+        t.setDate(LocalDate.now());
+        // sensible defaults
+        t.setStatus(de.nilzbu.mytimetracker.model.DayStatus.REMOTE);
+        t.setPauseMinutes(30);
+        t.setTargetMinutes(480);
+        return t;
+    }
+
+    private void configureOperations(TimeEntryHeaderFilters headerFilters) {
+        // READ uses header filters
+        crud.setFindAllOperation(() ->
+                headerFilters.applyFilters(
+                        timeEntryService.getEntriesForUser(currentUser))
+        );
+
+        // CREATE
+        crud.setAddOperation(entry -> {
+            entry.setUser(currentUser);
+            TimeEntryValidators.validate(entry, timeEntryService, currentUser);
+            return timeEntryService.save(entry);
+        });
+
+        // UPDATE
+        crud.setUpdateOperation(entry -> {
+            entry.setUser(currentUser);
+            TimeEntryValidators.validate(entry, timeEntryService, currentUser);
+            return timeEntryService.save(entry);
+        });
+
+        // DELETE
+        crud.setDeleteOperation(timeEntryService::delete);
+    }
+
+    private void refresh() {
+        crud.refreshGrid();
+    }
+}