src/main/java/com/primefactorsolutions/service/EmployeeService.java

@@ -62,6 +62,7 @@ public class EmployeeService {
     public List<Employee> findEmployees(
             final int start, final int pageSize, final String sortProperty, final boolean asc) {
         List<Employee> employees = employeeRepository.findAll();
+        Collections.reverse(employees);
 
         int end = Math.min(start + pageSize, employees.size());
         employees.sort(new BeanComparator<>(sortProperty));
@@ -75,6 +76,7 @@ public class EmployeeService {
 
     public List<Employee> findEmployees(final int start, final int pageSize) {
         List<Employee> employees = employeeRepository.findAll();
+        Collections.reverse(employees);
 
         int end = Math.min(start + pageSize, employees.size());
         return employees.subList(start, end);
@@ -124,7 +126,9 @@ public class EmployeeService {
     }
 
     public List<Employee> findAllEmployees() {
-        return employeeRepository.findAll();
+        List<Employee> employees = employeeRepository.findAll();
+        Collections.reverse(employees);
+        return employees;
     }
 
     public List<Employee> findEmployeesByTeam(final String teamName) {

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

@@ -8,6 +8,7 @@ import com.primefactorsolutions.service.EmployeeService;
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.button.Button;
 import com.vaadin.flow.component.combobox.ComboBox;
+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.textfield.TextField;
@@ -42,6 +43,7 @@ public class DocumentView extends BeanValidationForm<Document> implements HasUrl
     private final TextField fileName = new TextField("Nombre del documento");
     private final ComboBox<DocumentType> documentType = new ComboBox<>("Tipo de documento");
     private final ComboBox<Employee> employeeComboBox = new ComboBox<>("Empleado");
+    private final Span pdfOnlyMessage = new Span("Únicamente se permite la carga de archivos en formato PDF.");
     private final MemoryBuffer buffer = new MemoryBuffer();
     private final Upload uploadButton = new Upload(buffer);
     private final DocumentService documentService;
@@ -51,7 +53,6 @@ public class DocumentView extends BeanValidationForm<Document> implements HasUrl
     private Button saveButton;
     private Button viewDocumentButton;
 
-
     public DocumentView(final DocumentService documentService,
                         final EmployeeService employeeService,
                         final AuthenticationContext authContext) {
@@ -268,6 +269,6 @@ public class DocumentView extends BeanValidationForm<Document> implements HasUrl
         HorizontalLayout buttonLayout = new HorizontalLayout();
         buttonLayout.add(uploadButton, createViewDocumentButton());
         buttonLayout.setSpacing(true);
-        return List.of(fileName, documentType, employeeComboBox, buttonLayout, createCloseButton());
+        return List.of(fileName, documentType, employeeComboBox, pdfOnlyMessage, buttonLayout, createCloseButton());
     }
 }

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

@@ -8,6 +8,8 @@ import com.primefactorsolutions.views.util.MenuBarUtils;
 import com.vaadin.flow.component.ClickEvent;
 import com.vaadin.flow.component.Component;
 import com.vaadin.flow.component.ComponentEventListener;
+import com.vaadin.flow.component.UI;
+import com.vaadin.flow.component.button.Button;
 import com.vaadin.flow.component.combobox.ComboBox;
 import com.vaadin.flow.component.contextmenu.MenuItem;
 import com.vaadin.flow.component.icon.VaadinIcon;
@@ -17,11 +19,23 @@ import com.vaadin.flow.component.orderedlayout.HorizontalLayout;
 import com.vaadin.flow.function.ValueProvider;
 import com.vaadin.flow.router.PageTitle;
 import com.vaadin.flow.router.Route;
+import com.vaadin.flow.server.StreamRegistration;
+import com.vaadin.flow.server.StreamResource;
 import com.vaadin.flow.spring.annotation.SpringComponent;
 import jakarta.annotation.security.PermitAll;
+import org.apache.poi.ss.usermodel.Cell;
+import org.apache.poi.ss.usermodel.Row;
+import org.apache.poi.ss.usermodel.Sheet;
+import org.apache.poi.ss.usermodel.Workbook;
+import org.apache.poi.xssf.usermodel.XSSFWorkbook;
 import org.springframework.context.annotation.Scope;
 import org.vaadin.firitin.components.grid.PagingGrid;
 
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import java.io.UncheckedIOException;
+import java.time.LocalDate;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -54,6 +68,8 @@ public class PendingRequestsListView extends BaseView {
     }
 
     private void initializeView() {
+        Button downloadButton = new Button("Descargar reporte de rechazos", event -> downloadReport());
+        getCurrentPageLayout().add(downloadButton);
         setupFilters();
         setupPendingRequestsGrid();
     }
@@ -221,4 +237,50 @@ public class PendingRequestsListView extends BaseView {
         allTeamsOption.setName("TODOS");
         return allTeamsOption;
     }
+
+    private void downloadReport() {
+        StreamResource resource = generateGeneralVacationReport();
+        getUI().ifPresent(ui -> openDocumentStream(resource, ui));
+    }
+
+    private StreamResource generateGeneralVacationReport() {
+        List<TimeOffRequest> requests = requestService.findAllTimeOffRequests().stream()
+                .filter(request -> request.getState() == TimeOffRequestStatus.RECHAZADO)
+                .collect(Collectors.toList());
+        ByteArrayInputStream excelStream = generateExcelReport(requests);
+        return new StreamResource("reporte_de_solicitudes_rechazadas_" + LocalDate.now() + ".xlsx",
+                () -> excelStream);
+    }
+
+    private void openDocumentStream(final StreamResource resource, final UI ui) {
+        StreamRegistration registration = ui.getSession().getResourceRegistry().registerResource(resource);
+        ui.getPage().open(registration.getResourceUri().toString());
+    }
+
+    private ByteArrayInputStream generateExcelReport(final List<TimeOffRequest> requests) {
+        try (Workbook workbook = new XSSFWorkbook()) {
+            Sheet sheet = workbook.createSheet("REPORTE_DE_SOLICITUDES_DE_VACACIONES_RECHAZADAS");
+            Row headerRow = sheet.createRow(0);
+
+            String[] headers = {"Empleado", "Categoria", "Observaciones"};
+            for (int i = 0; i < headers.length; i++) {
+                Cell cell = headerRow.createCell(i);
+                cell.setCellValue(headers[i]);
+            }
+
+            int rowIndex = 1;
+            for (TimeOffRequest request : requests) {
+                Row row = sheet.createRow(rowIndex++);
+                row.createCell(0).setCellValue(getEmployeeFullName(request));
+                row.createCell(1).setCellValue(getCategory(request));
+            }
+
+            try (ByteArrayOutputStream out = new ByteArrayOutputStream()) {
+                workbook.write(out);
+                return new ByteArrayInputStream(out.toByteArray());
+            }
+        } catch (IOException e) {
+            throw new UncheckedIOException("Error al generar el archivo Excel", e);
+        }
+    }
 }

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

@@ -40,6 +40,7 @@ import java.io.IOException;
 import java.io.UncheckedIOException;
 import java.time.LocalDate;
 import java.time.Period;
+import java.time.Year;
 import java.util.*;
 import java.util.stream.Collectors;
 
@@ -61,6 +62,10 @@ public class RequestEmployeeView extends BaseView implements HasUrlParameter<Str
     private ComboBox<TimeOffRequestType> categoryFilter;
     private ComboBox<TimeOffRequestStatus> stateFilter;
     private UUID employeeId;
+    private double remainingHolidayDays;
+    private double remainingPersonalDays;
+    private double remainingVacationDays;
+
 
     public RequestEmployeeView(final TimeOffRequestService requestService,
                                final EmployeeService employeeService,
@@ -177,20 +182,20 @@ public class RequestEmployeeView extends BaseView implements HasUrlParameter<Str
         double utilizedFixedAndMovableHolidays = calculateHolidayUtilizedDays(currentYear);
         double utilizedPersonalDays = calculatePersonalDaysUtilized(isMale, currentYear);
 
-        double remainingHolidayDays = calculateRemainingHolidayDays(
+        remainingHolidayDays = calculateRemainingHolidayDays(
                 totalFixedAndMovableHolidays,
                 utilizedFixedAndMovableHolidays,
                 employee.getDateOfExit(),
                 currentDate
         );
-        double remainingPersonalDays = calculateRemainingPersonalDays(
+        remainingPersonalDays = calculateRemainingPersonalDays(
                 totalPersonalDays,
                 utilizedPersonalDays,
                 healthLicence,
                 employee.getDateOfExit(),
                 currentDate
         );
-        double remainingVacationDays = calculateRemainingVacationDays(
+        remainingVacationDays = calculateRemainingVacationDays(
                 totalVacationCurrentDays,
                 totalVacationPreviousDays,
                 employee.getDateOfExit(),
@@ -468,7 +473,14 @@ public class RequestEmployeeView extends BaseView implements HasUrlParameter<Str
         try (PDDocument document = new PDDocument(); ByteArrayOutputStream out = new ByteArrayOutputStream()) {
             PDPage page = new PDPage();
             document.addPage(page);
+
             Employee employee = employeeService.getEmployee(employeeId);
+            List<TimeOffRequest> filteredRequests = requests.stream()
+                    .filter(request ->
+                            (request.getStartDate() == null || Year.from(request.getStartDate()).equals(Year.now())) ||
+                                    request.getCategory() == TimeOffRequestType.VACACION_GESTION_ACTUAL ||
+                                    request.getCategory() == TimeOffRequestType.VACACION_GESTION_ANTERIOR)
+                    .toList();
 
             PDPageContentStream contentStream = null;
             try {
@@ -513,7 +525,7 @@ public class RequestEmployeeView extends BaseView implements HasUrlParameter<Str
 
                 contentStream.setFont(PDType1Font.TIMES_ROMAN, 10);
                 float currentY = tableTopY - cellHeight;
-                for (TimeOffRequest request : requests) {
+                for (TimeOffRequest request : filteredRequests) {
                     String startDate = getDateString(request.getStartDate());
                     String endDate = getDateString(request.getEndDate());
 
@@ -545,6 +557,30 @@ public class RequestEmployeeView extends BaseView implements HasUrlParameter<Str
                         currentY = 750;
                     }
                 }
+
+                currentY -= 30;
+
+                if (currentY < 80) {
+                    contentStream.close();
+                    page = new PDPage();
+                    document.addPage(page);
+                    contentStream = new PDPageContentStream(document, page);
+                    currentY = 750;
+                }
+
+                contentStream.setFont(PDType1Font.TIMES_ROMAN, 14);
+                contentStream.beginText();
+                contentStream.newLineAtOffset(50, currentY - 20);
+                contentStream.showText("Total feriados fijos y movibles: " + remainingHolidayDays);
+                contentStream.newLineAtOffset(0, -20);
+                contentStream.showText("Total días libres personales: " + remainingPersonalDays);
+                contentStream.newLineAtOffset(0, -20);
+                contentStream.showText("Total vacaciones pendientes de uso: " + remainingVacationDays);
+                contentStream.newLineAtOffset(0, -20);
+                contentStream.showText("TOTAL GENERAL DE DÍAS DISPONIBLES: " +
+                        (remainingHolidayDays + remainingPersonalDays + remainingVacationDays));
+                contentStream.endText();
+
             } finally {
                 if (contentStream != null) {
                     contentStream.close();
@@ -617,7 +653,7 @@ public class RequestEmployeeView extends BaseView implements HasUrlParameter<Str
         addComponentAsFirst(new H3("Nombre del empleado: " + employeeName));
         addComponentAtIndex(1, new H3("Equipo: " + employeeTeam));
         if (dateOfExit != null) {
-            addComponentAtIndex(2, new H3("Descontado a cero en fecha " + dateOfExit + " por pago de finiquito."));
+            addComponentAtIndex(2, new H3("Descontado a cero en fecha " + dateOfExit + " por pago de finiquito incluidas duodecima."));
         }
     }
 }

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

@@ -55,6 +55,7 @@ public class RequestsListView extends BaseView {
 
     private ComboBox<Employee> employeeFilter;
     private ComboBox<Team> teamFilter;
+    private ComboBox<TimeOffRequestType> categoryFilter;
     private ComboBox<Status> stateFilter;
 
     public RequestsListView(final TimeOffRequestService requestService,
@@ -66,7 +67,7 @@ public class RequestsListView extends BaseView {
         this.teamService = teamService;
         this.vacationService = vacationService;
         initializeView();
-        refreshGeneralRequestGrid(null, null, null);
+        refreshGeneralRequestGrid(null, null, null, null);
     }
 
     private void initializeView() {
@@ -82,6 +83,7 @@ public class RequestsListView extends BaseView {
         final HorizontalLayout hl = new HorizontalLayout();
         hl.add(createEmployeeFilter());
         hl.add(createTeamFilter());
+        hl.add(createCategoryFilter());
         hl.add(createStateFilter());
         getCurrentPageLayout().add(hl);
     }
@@ -90,6 +92,7 @@ public class RequestsListView extends BaseView {
         requestGrid.addColumn(this::getEmployeeFullName).setHeader("Empleado");
         requestGrid.addColumn(this::getTeamName).setHeader("Equipo");
         requestGrid.addColumn(this::getEmployeeStatus).setHeader("Estado del empleado");
+        requestGrid.addColumn(this::getCategory).setHeader("Categoria");
         requestGrid.addColumn(this::getGeneralTotal).setHeader("Total general");
         requestGrid.addComponentColumn((ValueProvider<Employee, Component>) employee -> {
             final MenuBar menuBar = new MenuBar();
@@ -107,10 +110,11 @@ public class RequestsListView extends BaseView {
 
     private void refreshGeneralRequestGrid(final Employee employee,
                                            final Team team,
+                                           final TimeOffRequestType category,
                                            final Status state) {
         requestGrid.setPagingDataProvider((page, pageSize) -> {
             int start = (int) (page * requestGrid.getPageSize());
-            return fetchFilteredEmployees(start, pageSize, employee, team, state);
+            return fetchFilteredEmployees(start, pageSize, employee, team, category, state);
         });
         requestGrid.getDataProvider().refreshAll();
     }
@@ -119,6 +123,7 @@ public class RequestsListView extends BaseView {
                                                   final int pageSize,
                                                   final Employee employee,
                                                   final Team team,
+                                                  final TimeOffRequestType category,
                                                   final Status state) {
         List<Employee> filteredEmployees = employeeService.findAllEmployees();
 
@@ -134,6 +139,16 @@ public class RequestsListView extends BaseView {
                     .collect(Collectors.toList());
         }
 
+        if (category != null && category != TimeOffRequestType.values()[0]) {
+            filteredEmployees = filteredEmployees.stream()
+                    .filter(emp -> {
+                        Optional<TimeOffRequest> request = requestService
+                                .findByEmployeeAndState(emp.getId(), TimeOffRequestStatus.EN_USO);
+                        return request.isPresent() && request.get().getCategory() == category;
+                    })
+                    .collect(Collectors.toList());
+        }
+
         if (state != null && state != Status.TODOS) {
             filteredEmployees = filteredEmployees.stream()
                     .filter(emp -> {
@@ -168,6 +183,12 @@ public class RequestsListView extends BaseView {
         return activeRequest.isPresent() ? "EN_DESCANSO" : "EN_FUNCIONES";
     }
 
+    private String getCategory(final Employee employee) {
+        Optional<TimeOffRequest> activeRequest = requestService
+                .findByEmployeeAndState(employee.getId(), TimeOffRequestStatus.EN_USO);
+        return activeRequest.map(request -> request.getCategory().toString()).orElse("");
+    }
+
     private String getGeneralTotal(final Employee employee) {
         List<TimeOffRequest> employeeRequests = requestService.findRequestsByEmployeeId(employee.getId());
         List<Vacation> vacations = vacationService.findVacations();
@@ -363,6 +384,7 @@ public class RequestsListView extends BaseView {
                 refreshGeneralRequestGrid(
                         event.getValue(),
                         teamFilter.getValue(),
+                        categoryFilter.getValue(),
                         stateFilter.getValue()
                 )
         );
@@ -380,12 +402,28 @@ public class RequestsListView extends BaseView {
                 refreshGeneralRequestGrid(
                         employeeFilter.getValue(),
                         event.getValue(),
+                        categoryFilter.getValue(),
                         stateFilter.getValue()
                 )
         );
         return teamFilter;
     }
 
+    private ComboBox<TimeOffRequestType> createCategoryFilter() {
+        categoryFilter = new ComboBox<>("Category");
+        categoryFilter.setItems(TimeOffRequestType.values());
+        categoryFilter.setValue(TimeOffRequestType.values()[0]);
+        categoryFilter.addValueChangeListener(event ->
+                refreshGeneralRequestGrid(
+                        employeeFilter.getValue(),
+                        teamFilter.getValue(),
+                        event.getValue(),
+                        stateFilter.getValue()
+                )
+        );
+        return categoryFilter;
+    }
+
     private ComboBox<Status> createStateFilter() {
         stateFilter = new ComboBox<>("Estado del empleado");
         stateFilter.setItems(Status.values());
@@ -394,6 +432,7 @@ public class RequestsListView extends BaseView {
                 refreshGeneralRequestGrid(
                         employeeFilter.getValue(),
                         teamFilter.getValue(),
+                        categoryFilter.getValue(),
                         event.getValue()
                 )
         );

src/main/resources/data.sql

@@ -78,7 +78,7 @@ values ('9c6f12ba-e333-4e7a-b8a6-caa0982bd8c3', 1, '5c6f11fe-c341-4be7-a9a6-bba0
 insert into time_off_request (id, version, employee_id, category, state, available_days, expiration, start_date, end_date, days_to_be_take, days_balance)
 values ('9d6f12ba-e444-4e7a-b8a6-caa0982bd8d4', 1, '5c6f11fe-c341-4be7-a9a6-bba0081ad7c6', 'VIERNES_SANTO', 'APROBADO', 1, '2024-03-29', '2024-03-29', '2024-03-29', 1, 0);
 insert into time_off_request (id, version, employee_id, category, state, available_days, expiration, start_date, end_date, days_to_be_take, days_balance)
-values ('9e6f12ba-e555-4e7a-b8a6-caa0982bd8e5', 1, '5c6f11fe-c341-4be7-a9a6-bba0081ad7c6', 'VACACION_GESTION_ANTERIOR', 'APROBADO', 20, '2024-11-01', '2022-11-01', '2022-11-30', 20, 0);
+values ('9e6f12ba-e555-4e7a-b8a6-caa0982bd8e5', 1, '5c6f11fe-c341-4be7-a9a6-bba0081ad7c6', 'VACACION_GESTION_ANTERIOR', 'APROBADO', 20, '2024-11-01', '2023-11-01', '2023-11-30', 20, 0);
 
 insert into time_off_request (id, version, employee_id, category, state, available_days, expiration, start_date, end_date, days_to_be_take, days_balance)
 values ('8c653f2a-f9a3-4d67-b3b6-12ad98fe0983', 1, 'f6ab3c6d-7078-45f6-9b22-4e37637bfec6', 'DIA_DEL_TRABAJADOR', 'APROBADO', 1, '2024-05-01', '2024-05-01', '2024-05-01', 1, 0);