src/main/java/com/primefactorsolutions/views/RequestEmployeeView.java

@@ -8,10 +8,8 @@ import com.vaadin.flow.component.combobox.ComboBox;
 import com.vaadin.flow.component.grid.Grid;
 import com.vaadin.flow.component.html.Div;
 import com.vaadin.flow.component.html.H3;
-import com.vaadin.flow.component.html.Span;
 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.router.BeforeEvent;
 import com.vaadin.flow.router.HasUrlParameter;
 import com.vaadin.flow.router.PageTitle;
@@ -21,7 +19,6 @@ import jakarta.annotation.security.PermitAll;
 import org.springframework.context.annotation.Scope;
 
 import java.time.LocalDate;
-import java.time.Year;
 import java.util.Collections;
 import java.util.List;
 import java.util.UUID;
@@ -37,6 +34,7 @@ public class RequestEmployeeView extends Div implements HasUrlParameter<String>
     private final TimeOffRequestService requestService;
     private final EmployeeService employeeService;
     private final Grid<TimeOffRequest> requestGrid = new Grid<>(TimeOffRequest.class);
+    private final Grid<Vacation> summaryGrid = new Grid<>();
     private List<TimeOffRequest> requests = Collections.emptyList();
     private ComboBox<TimeOffRequestType> categoryFilter;
     private ComboBox<TimeOffRequestStatus> stateFilter;
@@ -51,7 +49,8 @@ public class RequestEmployeeView extends Div implements HasUrlParameter<String>
     private void initializeView() {
         setupFilters();
         setupGrid();
-        add(requestGrid, createSummaryLayout(), createActionButtons());
+        setupSummaryGrid();
+        add(requestGrid, createActionButtons(), summaryGrid);
         refreshRequestGrid(null, null);
     }
 
@@ -81,12 +80,9 @@ public class RequestEmployeeView extends Div implements HasUrlParameter<String>
         requestGrid.setColumns(
                 "category",
                 "state",
-                "availableDays",
-                "expiration",
                 "startDate",
                 "endDate",
-                "daysToBeTake",
+                "daysToBeTake"
-                "daysBalance"
         );
         requestGrid.setAllRowsVisible(true);
         requestGrid.asSingleSelect().addValueChangeListener(event -> {
@@ -97,23 +93,29 @@ public class RequestEmployeeView extends Div implements HasUrlParameter<String>
         });
     }
 
-    private VerticalLayout createSummaryLayout() {
+    private void setupSummaryGrid() {
-        int currentYear = Year.now().getValue();
+        summaryGrid.addColumn(this::getCategory).setHeader("Category");
-        String yearCategory = "YEAR_" + currentYear;
+        summaryGrid.addColumn(this::getStatus).setHeader("Available");
-        double totalVacations = requests.stream()
+        summaryGrid.addColumn(this::getTotalRequests).setHeader("Expiration");
-                .filter(req -> req.getCategory().name().equals(yearCategory))
+        summaryGrid.addColumn(this::getTotalDays).setHeader("Taken");
-                .mapToDouble(TimeOffRequest::getAvailableDays)
+        summaryGrid.addColumn(this::getTotalDays).setHeader("Balance");
-                .sum();
+        summaryGrid.setAllRowsVisible(true);
-        double totalTimeOff = requests.stream()
+    }
-                .filter(req -> !req.getCategory().name().startsWith("YEAR"))
+
-                .mapToDouble(TimeOffRequest::getDaysBalance)
+    private Object getTotalDays(final Vacation vacation) {
-                .sum();
+        return null;
-        double totalAvailableDays = totalVacations + totalTimeOff;
+    }
-        return new VerticalLayout(
+
-                new Span("TOTAL HOLIDAYS: " + totalVacations),
+    private Object getTotalRequests(final Vacation vacation) {
-                new Span("TOTAL TIME OFF: " + totalTimeOff),
+        return null;
-                new Span("TOTAL AVAILABLE DAYS: " + totalAvailableDays)
+    }
-        );
+
+    private Object getStatus(final Vacation vacation) {
+        return null;
+    }
+
+    private Object getCategory(final Vacation vacation) {
+        return vacation.getCategory();
     }
 
     private HorizontalLayout createActionButtons() {

src/main/java/com/primefactorsolutions/views/RequestRegisterView.java

@@ -22,6 +22,7 @@ import java.time.LocalDate;
 import java.time.temporal.ChronoUnit;
 import java.util.Arrays;
 import java.util.List;
+import java.util.UUID;
 
 @SpringComponent
 @PermitAll
@@ -67,7 +68,10 @@ public class RequestRegisterView extends VerticalLayout {
     private void configureFormFields() {
         employeeComboBox.setItems(employeeService.findAllEmployees());
         employeeComboBox.setItemLabelGenerator(emp -> emp.getFirstName() + " " + emp.getLastName());
-        employeeComboBox.addValueChangeListener(event -> handleEmployeeSelection(employee = event.getValue()));
+        employeeComboBox.addValueChangeListener(event -> {
+            employee = event.getValue();
+            handleEmployeeSelection(employee);
+        });
         categoryComboBox.setEnabled(false);
         startDatePicker.setEnabled(false);
         endDatePicker.setEnabled(false);
@@ -123,8 +127,10 @@ public class RequestRegisterView extends VerticalLayout {
                 .map(TimeOffRequest::getCategory)
                 .toList();
         List<TimeOffRequestType> availableCategories = Arrays.stream(TimeOffRequestType.values())
-                .filter(category -> !requestedCategories.contains(category) ||
+                .filter(category -> !requestedCategories.contains(category)
-                        employeeRequests.stream().anyMatch(req -> req.getCategory() == category && req.getState() == TimeOffRequestStatus.EXPIRED))
+                        || employeeRequests.stream()
+                        .anyMatch(req -> req.getCategory() == category
+                                && req.getState() == TimeOffRequestStatus.EXPIRED))
                 .filter(category -> {
                     if (employee.getGender() == Employee.Gender.MALE) {
                         return category != TimeOffRequestType.MATERNITY
@@ -151,7 +157,8 @@ public class RequestRegisterView extends VerticalLayout {
 
     private void updateAvailableDays(final TimeOffRequestType selectedCategory) {
         vacation = vacationService.findVacationByCategory(selectedCategory);
-        List<TimeOffRequest> requests = requestService.findByEmployeeAndCategory(employeeComboBox.getValue().getId(), selectedCategory);
+        UUID employeeId = employeeComboBox.getValue().getId();
+        List<TimeOffRequest> requests = requestService.findByEmployeeAndCategory(employeeId, selectedCategory);
         if (vacation != null) {
             if (!requests.isEmpty() && requests.getFirst().getState() != TimeOffRequestStatus.EXPIRED) {
                 availableDaysField.setValue(requests.getFirst().getDaysBalance());
@@ -294,7 +301,7 @@ public class RequestRegisterView extends VerticalLayout {
         }
     }
 
-    private void updateBalanceForCategory(TimeOffRequest newRequest) {
+    private void updateBalanceForCategory(final TimeOffRequest newRequest) {
         List<TimeOffRequest> requests = requestService.findByEmployeeAndCategory(
                 newRequest.getEmployee().getId(), newRequest.getCategory());
 

src/main/java/com/primefactorsolutions/views/RequestsListView.java

@@ -29,7 +29,7 @@ public class RequestsListView extends Main {
     private final TimeOffRequestService requestService;
     private final EmployeeService employeeService;
     private final TeamService teamService;
-    private final PagingGrid<Employee> requestGrid = new PagingGrid<>();
+    private final PagingGrid<TimeOffRequest> requestGrid = new PagingGrid<>();
 
     private List<Employee> employees = Collections.emptyList();
     private ComboBox<Employee> employeeFilter;
@@ -67,18 +67,19 @@ public class RequestsListView extends Main {
     private void setupRequestGrid() {
         requestGrid.addColumn(this::getEmployeeFullName).setHeader("Employee");
         requestGrid.addColumn(this::getTeamName).setHeader("Team");
-        requestGrid.addColumn(this::getEmployeeStatus).setHeader("State");
+        requestGrid.addColumn(this::getEmployeeStatus).setHeader("Employee State");
         requestGrid.addColumn(this::getCategory).setHeader("Category");
+        requestGrid.addColumn(this::getState).setHeader("Request Status");
         requestGrid.addColumn(this::getStartDate).setHeader("Start Date");
         requestGrid.addColumn(this::getEndDate).setHeader("End Date");
-        requestGrid.addColumn(this::getDaysBalance).setHeader("Days Balance");
+        requestGrid.addColumn(this::getDaysBalance).setHeader("Balance");
 
         requestGrid.setPaginationBarMode(PagingGrid.PaginationBarMode.BOTTOM);
         requestGrid.setPageSize(5);
         requestGrid.asSingleSelect().addValueChangeListener(event -> {
-            Employee selectedRequest = event.getValue();
+            TimeOffRequest selectedRequest = event.getValue();
             if (selectedRequest != null) {
-                selectedEmployeeId = selectedRequest.getId();
+                selectedEmployeeId = selectedRequest.getEmployee().getId();
             }
         });
     }
@@ -106,56 +107,58 @@ public class RequestsListView extends Main {
         requestGrid.getDataProvider().refreshAll();
     }
 
-    private List<Employee> fetchFilteredEmployees(final int start,
+    private List<TimeOffRequest> fetchFilteredEmployees(final int start,
                                               final int pageSize,
                                               final Employee employee,
                                               final Team team,
                                               final TimeOffRequestType category,
-                                                  final Status state) {
+                                              final Status employeeState) {
-        List<Employee> filteredEmployees = employeeService.findAllEmployees();
+        List<TimeOffRequest> filteredRequests = requestService.findAllTimeOffRequests();
 
         if (employee != null && !"ALL".equals(employee.getFirstName())) {
-            filteredEmployees = filteredEmployees.stream()
+            filteredRequests = filteredRequests.stream()
-                    .filter(emp -> emp.getId().equals(employee.getId()))
+                    .filter(emp -> emp.getEmployee().getId().equals(employee.getId()))
                     .collect(Collectors.toList());
         }
 
         if (team != null && !"ALL".equals(team.getName())) {
-            filteredEmployees = filteredEmployees.stream()
+            filteredRequests = filteredRequests.stream()
-                    .filter(emp -> emp.getTeam() != null && emp.getTeam().getId().equals(team.getId()))
+                    .filter(emp -> {
+                        Team empTeam = emp.getEmployee().getTeam();
+                        return empTeam != null && empTeam.getId().equals(team.getId());
+                    })
                     .collect(Collectors.toList());
         }
 
         if (category != null && category != TimeOffRequestType.values()[0]) {
-            filteredEmployees = filteredEmployees.stream()
+            filteredRequests = filteredRequests.stream()
-                    .filter(emp -> {
+                    .filter(emp -> emp.getCategory().equals(category))
-                        Optional<TimeOffRequest> request = requestService
-                                .findByEmployeeAndState(emp.getId(), TimeOffRequestStatus.TAKEN);
-                        return request.isPresent() && request.get().getCategory() == category;
-                    })
                     .collect(Collectors.toList());
         }
 
-        if (state != null && state != Status.ALL) {
+        if (employeeState != null && employeeState != Status.ALL) {
-            filteredEmployees = filteredEmployees.stream()
+            filteredRequests = filteredRequests.stream()
-                    .filter(emp -> {
+                    .filter(emp -> employeeState == Status.IDLE
-                        Optional<TimeOffRequest> request = requestService
+                                ? emp.getState().equals(TimeOffRequestStatus.IN_USE)
-                                .findByEmployeeAndState(emp.getId(), TimeOffRequestStatus.TAKEN);
+                                : !emp.getState().equals(TimeOffRequestStatus.IN_USE))
-                        return state == Status.IDLE ? request.isPresent() : request.isEmpty();
-                    })
                     .collect(Collectors.toList());
         }
 
-        int end = Math.min(start + pageSize, filteredEmployees.size());
+        int end = Math.min(start + pageSize, filteredRequests.size());
-        return filteredEmployees.subList(start, end);
+        return filteredRequests.subList(start, end);
     }
 
-    private String getEmployeeFullName(final Employee employee) {
+    private String getEmployeeFullName(final TimeOffRequest request) {
+        Employee employee = request.getEmployee();
+        return getEmployeeFullNameLabel(employee);
+    }
+
+    private String getEmployeeFullNameLabel(final Employee employee) {
         return "ALL".equals(employee.getFirstName()) ? "ALL" : employee.getFirstName() + " " + employee.getLastName();
     }
 
-    private String getTeamName(final Employee employee) {
+    private String getTeamName(final TimeOffRequest request) {
-        Team team = employee.getTeam();
+        Team team = request.getEmployee().getTeam();
         return team != null ? team.getName() : "Unassigned";
     }
 
@@ -164,34 +167,28 @@ public class RequestsListView extends Main {
     }
 
 
-    private String getEmployeeStatus(final Employee employee) {
+    private String getEmployeeStatus(final TimeOffRequest request) {
-        Optional<TimeOffRequest> activeRequest = requestService
+        return request.getState() == TimeOffRequestStatus.IN_USE ? "IDLE" : "ACTIVE";
-                .findByEmployeeAndState(employee.getId(), TimeOffRequestStatus.TAKEN);
-        return activeRequest.isPresent() ? "IDLE" : "ACTIVE";
     }
 
-    private String getCategory(final Employee employee) {
+    private String getCategory(final TimeOffRequest request) {
-        Optional<TimeOffRequest> activeRequest = requestService
+        return request.getCategory().toString();
-                .findByEmployeeAndState(employee.getId(), TimeOffRequestStatus.TAKEN);
-        return activeRequest.map(request -> request.getCategory().toString()).orElse("");
     }
 
-    private String getStartDate(final Employee employee) {
+    private String getState(final TimeOffRequest request) {
-        Optional<TimeOffRequest> activeRequest = requestService
+        return request.getState().toString();
-                .findByEmployeeAndState(employee.getId(), TimeOffRequestStatus.TAKEN);
-        return activeRequest.map(request -> request.getStartDate().toString()).orElse("");
     }
 
-    private String getEndDate(final Employee employee) {
+    private String getStartDate(final TimeOffRequest request) {
-        Optional<TimeOffRequest> activeRequest = requestService
+        return request.getStartDate().toString();
-                .findByEmployeeAndState(employee.getId(), TimeOffRequestStatus.TAKEN);
-        return activeRequest.map(request -> request.getEndDate().toString()).orElse("");
     }
 
-    private String getDaysBalance(final Employee employee) {
+    private String getEndDate(final TimeOffRequest request) {
-        Optional<TimeOffRequest> activeRequest = requestService
+        return request.getEndDate().toString();
-                .findByEmployeeAndState(employee.getId(), TimeOffRequestStatus.TAKEN);
+    }
-        return activeRequest.map(request -> request.getDaysBalance().toString()).orElse("");
+
+    private String getDaysBalance(final TimeOffRequest request) {
+        return request.getDaysBalance().toString();
     }
 
     private ComboBox<Employee> createEmployeeFilter() {
@@ -199,7 +196,7 @@ public class RequestsListView extends Main {
         List<Employee> employees = new ArrayList<>(employeeService.findAllEmployees());
         employees.addFirst(createAllEmployeesOption());
         employeeFilter.setItems(employees);
-        employeeFilter.setItemLabelGenerator(this::getEmployeeFullName);
+        employeeFilter.setItemLabelGenerator(this::getEmployeeFullNameLabel);
         employeeFilter.setValue(employees.getFirst());
         employeeFilter.addValueChangeListener(event ->
                 refreshGeneralRequestGrid(
@@ -246,7 +243,7 @@ public class RequestsListView extends Main {
     }
 
     private ComboBox<Status> createStateFilter() {
-        stateFilter = new ComboBox<>("State");
+        stateFilter = new ComboBox<>("Employee State");
         stateFilter.setItems(Status.values());
         stateFilter.setValue(Status.values()[0]);
         stateFilter.addValueChangeListener(event ->