Merge pull request #27 from RecentRunner/branch3

Branch3

src/main/java/org/example/petshopdesktop/DTOs/AppointmentDTO.java

@@ -0,0 +1,59 @@
+package org.example.petshopdesktop.DTOs;
+
+import javafx.beans.property.SimpleIntegerProperty;
+import javafx.beans.property.SimpleStringProperty;
+
+public class AppointmentDTO {
+
+    private SimpleIntegerProperty appointmentId;
+
+    private SimpleIntegerProperty customerId;
+    private SimpleStringProperty customerName;
+
+    private SimpleIntegerProperty petId;
+    private SimpleStringProperty petName;
+
+    private SimpleIntegerProperty serviceId;
+    private SimpleStringProperty serviceName;
+
+    private SimpleStringProperty appointmentDate;
+    private SimpleStringProperty appointmentTime;
+    private SimpleStringProperty appointmentStatus;
+
+    // Constructor
+    public AppointmentDTO(int appointmentId,
+                          int customerId, String customerName,
+                          int petId, String petName,
+                          int serviceId, String serviceName,
+                          String appointmentDate,
+                          String appointmentTime,
+                          String appointmentStatus) {
+
+        this.appointmentId = new SimpleIntegerProperty(appointmentId);
+        this.customerId = new SimpleIntegerProperty(customerId);
+        this.customerName = new SimpleStringProperty(customerName);
+        this.petId = new SimpleIntegerProperty(petId);
+        this.petName = new SimpleStringProperty(petName);
+        this.serviceId = new SimpleIntegerProperty(serviceId);
+        this.serviceName = new SimpleStringProperty(serviceName);
+        this.appointmentDate = new SimpleStringProperty(appointmentDate);
+        this.appointmentTime = new SimpleStringProperty(appointmentTime);
+        this.appointmentStatus = new SimpleStringProperty(appointmentStatus);
+    }
+
+    // Getters
+    public int getAppointmentId() { return appointmentId.get(); }
+
+    public int getCustomerId() { return customerId.get(); }
+    public String getCustomerName() { return customerName.get(); }
+
+    public int getPetId() { return petId.get(); }
+    public String getPetName() { return petName.get(); }
+
+    public int getServiceId() { return serviceId.get(); }
+    public String getServiceName() { return serviceName.get(); }
+
+    public String getAppointmentDate() { return appointmentDate.get(); }
+    public String getAppointmentTime() { return appointmentTime.get(); }
+    public String getAppointmentStatus() { return appointmentStatus.get(); }
+}

src/main/java/org/example/petshopdesktop/DTOs/PurchaseOrderDTO.java

@@ -0,0 +1,25 @@
+package org.example.petshopdesktop.DTOs;
+
+import javafx.beans.property.*;
+
+public class PurchaseOrderDTO {
+
+    private IntegerProperty purchaseOrderId;
+    private StringProperty supplierName;
+    private StringProperty orderDate;
+    private StringProperty status;
+
+    public PurchaseOrderDTO(int id, String supplierName,
+                            String orderDate, String status) {
+
+        this.purchaseOrderId = new SimpleIntegerProperty(id);
+        this.supplierName = new SimpleStringProperty(supplierName);
+        this.orderDate = new SimpleStringProperty(orderDate);
+        this.status = new SimpleStringProperty(status);
+    }
+
+    public int getPurchaseOrderId() { return purchaseOrderId.get(); }
+    public String getSupplierName() { return supplierName.get(); }
+    public String getOrderDate() { return orderDate.get(); }
+    public String getStatus() { return status.get(); }
+}

src/main/java/org/example/petshopdesktop/DTOs/ServiceDTO.java

@@ -0,0 +1,110 @@
+package org.example.petshopdesktop.DTOs;
+
+import javafx.beans.property.SimpleDoubleProperty;
+import javafx.beans.property.SimpleIntegerProperty;
+import javafx.beans.property.SimpleStringProperty;
+import org.example.petshopdesktop.models.Service;
+
+/**
+ * The class for ServiceDTO, all service data stored here
+ */
+public class ServiceDTO {
+
+    private SimpleIntegerProperty serviceId;
+    private SimpleStringProperty serviceName;
+    private SimpleStringProperty serviceDesc;
+    private SimpleIntegerProperty serviceDuration;
+    private SimpleDoubleProperty servicePrice;
+
+    // constructor
+    public ServiceDTO(int serviceId,
+                      String serviceName,
+                      String serviceDesc,
+                      int serviceDuration,
+                      double servicePrice) {
+
+        this.serviceId = new SimpleIntegerProperty(serviceId);
+        this.serviceName = new SimpleStringProperty(serviceName);
+        this.serviceDesc = new SimpleStringProperty(serviceDesc);
+        this.serviceDuration = new SimpleIntegerProperty(serviceDuration);
+        this.servicePrice = new SimpleDoubleProperty(servicePrice);
+    }
+
+    // getters & setters
+
+    public int getServiceId() {
+        return serviceId.get();
+    }
+
+    public SimpleIntegerProperty serviceIdProperty() {
+        return serviceId;
+    }
+
+    public void setServiceId(int serviceId) {
+        this.serviceId.set(serviceId);
+    }
+
+    public String getServiceName() {
+        return serviceName.get();
+    }
+
+    public SimpleStringProperty serviceNameProperty() {
+        return serviceName;
+    }
+
+    public void setServiceName(String serviceName) {
+        this.serviceName.set(serviceName);
+    }
+
+    public String getServiceDesc() {
+        return serviceDesc.get();
+    }
+
+    public SimpleStringProperty serviceDescProperty() {
+        return serviceDesc;
+    }
+
+    public void setServiceDesc(String serviceDesc) {
+        this.serviceDesc.set(serviceDesc);
+    }
+
+    public int getServiceDuration() {
+        return serviceDuration.get();
+    }
+
+    public SimpleIntegerProperty serviceDurationProperty() {
+        return serviceDuration;
+    }
+
+    public void setServiceDuration(int serviceDuration) {
+        this.serviceDuration.set(serviceDuration);
+    }
+
+    public double getServicePrice() {
+        return servicePrice.get();
+    }
+
+    public SimpleDoubleProperty servicePriceProperty() {
+        return servicePrice;
+    }
+
+    public void setServicePrice(double servicePrice) {
+        this.servicePrice.set(servicePrice);
+    }
+
+    /**
+     * Converts DTO into Service model (for edit/delete)
+     */
+    public Service toService() {
+
+        Service service = new Service(
+                getServiceId(),
+                getServiceName(),
+                getServiceDesc(),
+                getServiceDuration(),
+                getServicePrice()
+        );
+
+        return service;
+    }
+}

src/main/java/org/example/petshopdesktop/controllers/AppointmentController.java

@@ -1,63 +1,135 @@
 package org.example.petshopdesktop.controllers;
 
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
-import javafx.scene.control.Button;
+import javafx.fxml.FXMLLoader;
-import javafx.scene.control.TableColumn;
+import javafx.scene.Scene;
-import javafx.scene.control.TableView;
+import javafx.scene.control.*;
-import javafx.scene.control.TextField;
+import javafx.scene.control.cell.PropertyValueFactory;
+import javafx.stage.Modality;
+import javafx.stage.Stage;
+
+import org.example.petshopdesktop.DTOs.AppointmentDTO;
+import org.example.petshopdesktop.controllers.dialogcontrollers.AppointmentDialogController;
+import org.example.petshopdesktop.database.AppointmentDB;
 
 public class AppointmentController {
 
-    @FXML
+    @FXML private TableView<AppointmentDTO> tvAppointments;
-    private Button btnAdd;
+
+    @FXML private TableColumn<AppointmentDTO,Integer> colAppointmentId;
+    @FXML private TableColumn<AppointmentDTO,String> colPetName;
+    @FXML private TableColumn<AppointmentDTO,String> colServiceName;
+    @FXML private TableColumn<AppointmentDTO,String> colAppointmentDate;
+    @FXML private TableColumn<AppointmentDTO,String> colAppointmentTime;
+    @FXML private TableColumn<AppointmentDTO,String> colCustomerName;
+    @FXML private TableColumn<AppointmentDTO,String> colAppointmentStatus;
+
+    @FXML private Button btnAdd;
+    @FXML private Button btnEdit;
+    @FXML private Button btnDelete;
+
+    @FXML private TextField txtSearch;
+
+    private ObservableList<AppointmentDTO> data = FXCollections.observableArrayList();
 
     @FXML
-    private Button btnDelete;
+    public void initialize(){
 
-    @FXML
+        colAppointmentId.setCellValueFactory(new PropertyValueFactory<>("appointmentId"));
-    private Button btnEdit;
+        colPetName.setCellValueFactory(new PropertyValueFactory<>("petName"));
+        colServiceName.setCellValueFactory(new PropertyValueFactory<>("serviceName"));
+        colAppointmentDate.setCellValueFactory(new PropertyValueFactory<>("appointmentDate"));
+        colAppointmentTime.setCellValueFactory(new PropertyValueFactory<>("appointmentTime"));
+        colCustomerName.setCellValueFactory(new PropertyValueFactory<>("customerName"));
+        colAppointmentStatus.setCellValueFactory(new PropertyValueFactory<>("appointmentStatus"));
 
-    @FXML
+        loadAppointments();
-    private TableColumn<?, ?> colAppointmentDate;
+    }
-
-    @FXML
-    private TableColumn<?, ?> colAppointmentId;
-
-    @FXML
-    private TableColumn<?, ?> colAppointmentStatus;
-
-    @FXML
-    private TableColumn<?, ?> colAppointmentTime;
-
-    @FXML
-    private TableColumn<?, ?> colCustomerName;
-
-    @FXML
-    private TableColumn<?, ?> colPetName;
-
-    @FXML
-    private TableColumn<?, ?> colServiceName;
-
-    @FXML
-    private TableView<?> tvAppointments;
-
-    @FXML
-    private TextField txtSearch;
-
-    @FXML
-    void btnAddClicked(ActionEvent event) {
 
+    private void loadAppointments(){
+        try{
+            data = AppointmentDB.getAppointmentDTOs();
+            tvAppointments.setItems(data);
+        }catch(Exception e){
+            e.printStackTrace();
+        }
     }
 
     @FXML
-    void btnDeleteClicked(ActionEvent event) {
+    void btnAddClicked(ActionEvent event){
-
+        openDialog(null, "Add");
     }
 
     @FXML
-    void btnEditClicked(ActionEvent event) {
+    void btnEditClicked(ActionEvent event){
 
+        AppointmentDTO selected =
+                tvAppointments.getSelectionModel().getSelectedItem();
+
+        if(selected == null){
+            showAlert("Select Appointment", "Please select appointment to edit.");
+            return;
+        }
+
+        openDialog(selected, "Edit");
     }
 
+    @FXML
+    void btnDeleteClicked(ActionEvent event){
+
+        AppointmentDTO selected =
+                tvAppointments.getSelectionModel().getSelectedItem();
+
+        if(selected == null) return;
+
+        try{
+            AppointmentDB.deleteAppointment(selected.getAppointmentId());
+            loadAppointments();
+        }catch(Exception e){
+            e.printStackTrace();
+        }
+    }
+
+    private void openDialog(AppointmentDTO appt, String mode){
+
+        try{
+            FXMLLoader loader = new FXMLLoader(
+                    getClass().getResource(
+                            "/org/example/petshopdesktop/dialogviews/appointment-dialog-view.fxml"
+                    )
+            );
+
+            Scene scene = new Scene(loader.load());
+
+            AppointmentDialogController controller =
+                    loader.getController();
+
+            controller.setMode(mode);
+
+            if(mode.equals("Edit")){
+                controller.displayAppointmentDetails(appt);
+            }
+
+            Stage stage = new Stage();
+            stage.initModality(Modality.APPLICATION_MODAL);
+            stage.setScene(scene);
+            stage.showAndWait();
+
+            loadAppointments();
+
+        }catch(Exception e){
+            e.printStackTrace();
+        }
+    }
+
+    private void showAlert(String title, String msg){
+        Alert alert = new Alert(Alert.AlertType.INFORMATION);
+        alert.setTitle(title);
+        alert.setHeaderText(null);
+        alert.setContentText(msg);
+        alert.showAndWait();
+    }
 }

src/main/java/org/example/petshopdesktop/controllers/MainLayoutController.java

@@ -41,6 +41,9 @@ public class MainLayoutController {
     @FXML
     private Button btnSalesHistory;
 
+    @FXML
+    private Button btnPurchaseOrders;
+
     @FXML
     private Button btnServices;
 
@@ -98,6 +101,12 @@ public class MainLayoutController {
         updateButtons(btnSalesHistory);
     }
 
+    @FXML
+    void btnPurchaseOrdersClicked() {
+        loadView("purchase-order-view.fxml");
+        updateButtons(btnPurchaseOrders);
+    }
+
     @FXML
     void btnServicesClicked(ActionEvent event) {
         loadView("service-view.fxml");
@@ -108,8 +117,11 @@ public class MainLayoutController {
     void btnSuppliersClicked(ActionEvent event) {
         loadView("supplier-view.fxml");
         updateButtons(btnSuppliers);
+
     }
 
+
+
     @FXML
     void btnLogoutClicked(ActionEvent event) {
         // Logout clears session state before returning to the login view.

src/main/java/org/example/petshopdesktop/controllers/PurchaseOrderController.java

@@ -0,0 +1,54 @@
+package org.example.petshopdesktop.controllers;
+
+import javafx.fxml.FXML;
+import javafx.scene.control.*;
+import javafx.scene.control.cell.PropertyValueFactory;
+import org.example.petshopdesktop.DTOs.PurchaseOrderDTO;
+import org.example.petshopdesktop.database.PurchaseOrderDB;
+
+public class PurchaseOrderController {
+
+    @FXML private Button btnRefresh;
+
+    @FXML private TableView<PurchaseOrderDTO> tvPurchaseOrders;
+
+    @FXML private TableColumn<PurchaseOrderDTO,Integer> colOrderId;
+    @FXML private TableColumn<PurchaseOrderDTO,String> colSupplier;
+    @FXML private TableColumn<PurchaseOrderDTO,String> colOrderDate;
+    @FXML private TableColumn<PurchaseOrderDTO,String> colStatus;
+
+    @FXML
+    public void initialize() {
+
+        colOrderId.setCellValueFactory(
+                new PropertyValueFactory<>("purchaseOrderId"));
+
+        colSupplier.setCellValueFactory(
+                new PropertyValueFactory<>("supplierName"));
+
+        colOrderDate.setCellValueFactory(
+                new PropertyValueFactory<>("orderDate"));
+
+        colStatus.setCellValueFactory(
+                new PropertyValueFactory<>("status"));
+
+        loadPurchaseOrders();
+    }
+
+    private void loadPurchaseOrders() {
+        try {
+            tvPurchaseOrders.setItems(
+                    PurchaseOrderDB.getPurchaseOrders()
+            );
+        } catch (Exception e) {
+            e.printStackTrace();
+            new Alert(Alert.AlertType.ERROR,
+                    "Unable to load purchase orders").showAndWait();
+        }
+    }
+
+    @FXML
+    void btnRefresh() {
+        loadPurchaseOrders();
+    }
+}

src/main/java/org/example/petshopdesktop/controllers/ServiceController.java

@@ -2,56 +2,123 @@ package org.example.petshopdesktop.controllers;
 
 import javafx.event.ActionEvent;
 import javafx.fxml.FXML;
-import javafx.scene.control.Button;
+import javafx.fxml.FXMLLoader;
-import javafx.scene.control.TableColumn;
+import javafx.scene.Parent;
-import javafx.scene.control.TableView;
+import javafx.scene.Node;
-import javafx.scene.control.TextField;
+import javafx.scene.Scene;
+import javafx.scene.control.*;
+import javafx.scene.input.MouseEvent;
+import javafx.scene.control.cell.PropertyValueFactory;
+import javafx.stage.Stage;
+import org.example.petshopdesktop.database.ServiceDB;
+import org.example.petshopdesktop.models.Service;
+import org.example.petshopdesktop.controllers.dialogcontrollers.ServiceDialogController;
+import javafx.stage.Modality;
+
 
 public class ServiceController {
 
-    @FXML
+    @FXML private Button btnAdd;
-    private Button btnAdd;
+    @FXML private Button btnDelete;
+    @FXML private Button btnEdit;
+
+    @FXML private TableColumn<Service, Integer> colServiceId;
+    @FXML private TableColumn<Service, String> colServiceName;
+    @FXML private TableColumn<Service, String> colServiceDesc;
+    @FXML private TableColumn<Service, Integer> colServiceDuration;
+    @FXML private TableColumn<Service, Double> colServicePrice;
+
+    @FXML private TableView<Service> tvServices;
+
+    @FXML private TextField txtSearch;
 
     @FXML
-    private Button btnDelete;
+    public void initialize() {
 
-    @FXML
+        colServiceId.setCellValueFactory(new PropertyValueFactory<>("serviceId"));
-    private Button btnEdit;
+        colServiceName.setCellValueFactory(new PropertyValueFactory<>("serviceName"));
+        colServiceDesc.setCellValueFactory(new PropertyValueFactory<>("serviceDesc"));
+        colServiceDuration.setCellValueFactory(new PropertyValueFactory<>("serviceDuration"));
+        colServicePrice.setCellValueFactory(new PropertyValueFactory<>("servicePrice"));
 
-    @FXML
+        loadServices();
-    private TableColumn<?, ?> colServiceDesc;
+    }
 
-    @FXML
+    private void loadServices() {
-    private TableColumn<?, ?> colServiceDuration;
+        try {
+            tvServices.setItems(ServiceDB.getServices());
+        } catch (Exception e) {
+            showAlert("Database Error", "Unable to load services.");
+            e.printStackTrace();
+        }
+    }
 
-    @FXML
-    private TableColumn<?, ?> colServiceId;
-
-    @FXML
-    private TableColumn<?, ?> colServiceName;
-
-    @FXML
-    private TableColumn<?, ?> colServicePrice;
-
-    @FXML
-    private TableView<?> tvServices;
-
-    @FXML
-    private TextField txtSearch;
 
     @FXML
     void btnAddClicked(ActionEvent event) {
-
+        openDialog(null, "Add");
-    }
+        loadServices();
-
-    @FXML
-    void btnDeleteClicked(ActionEvent event) {
-
     }
 
     @FXML
     void btnEditClicked(ActionEvent event) {
 
+        Service selected = tvServices.getSelectionModel().getSelectedItem();
+
+        if (selected == null) {
+            showAlert("Select Service", "Please select a service to edit.");
+            return;
+        }
+
+        openDialog(selected, "Edit");
+        loadServices();
     }
 
+    @FXML
+    void btnDeleteClicked(ActionEvent e) {
+
+        Service service = tvServices.getSelectionModel().getSelectedItem();
+        if (service == null) return;
+
+        try {
+            ServiceDB.deleteService(service.getServiceId());
+            loadServices();
+        } catch (Exception ex) {
+            ex.printStackTrace();
+        }
+    }
+
+    private void openDialog(Service service, String mode) {
+
+        try {
+            FXMLLoader loader = new FXMLLoader(
+                    getClass().getResource("/org/example/petshopdesktop/dialogviews/service-dialog-view.fxml")
+            );
+
+            Stage stage = new Stage();
+            stage.setScene(new Scene(loader.load()));
+
+            ServiceDialogController controller = loader.getController();
+            controller.setMode(mode);
+
+            if (mode.equals("Edit")) {
+                controller.setService(service);
+            }
+
+            stage.initModality(Modality.APPLICATION_MODAL);
+            stage.showAndWait();
+
+            loadServices();
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+    private void showAlert(String title, String msg) {
+        Alert alert = new Alert(Alert.AlertType.INFORMATION);
+        alert.setTitle(title);
+        alert.setHeaderText(null);
+        alert.setContentText(msg);
+        alert.showAndWait();
+    }
 }

src/main/java/org/example/petshopdesktop/controllers/dialogcontrollers/AppointmentDialogController.java

@@ -0,0 +1,209 @@
+package org.example.petshopdesktop.controllers.dialogcontrollers;
+
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.fxml.FXML;
+import javafx.scene.Node;
+import javafx.scene.control.*;
+import javafx.scene.input.MouseEvent;
+import javafx.stage.Stage;
+import javafx.scene.control.ListCell;
+
+import org.example.petshopdesktop.DTOs.AppointmentDTO;
+import org.example.petshopdesktop.database.*;
+import org.example.petshopdesktop.models.*;
+
+import java.sql.Time;
+
+public class AppointmentDialogController {
+
+    // ============================
+    // FXML
+    // ============================
+
+    @FXML private Button btnCancel;
+    @FXML private Button btnSave;
+
+    @FXML private ComboBox<Service> cbService;
+    @FXML private ComboBox<Customer> cbCustomer;
+    @FXML private ComboBox<Pet> cbPet;
+
+    @FXML private ComboBox<Integer> cbHour;
+    @FXML private ComboBox<Integer> cbMinute;
+
+    @FXML private ComboBox<String> cbAppointmentStatus;
+    @FXML private DatePicker dpAppointmentDate;
+
+    @FXML private Label lblAppointmentId;
+    @FXML private Label lblMode;
+
+    // ============================
+    // DATA
+    // ============================
+
+    private String mode = null;  // Add | Edit
+    private AppointmentDTO selectedAppointment = null;
+
+    private ObservableList<String> statusList =
+            FXCollections.observableArrayList(
+                    "Booked", "Completed", "Cancelled"
+            );
+
+    //
+    // MODE
+    //
+
+    public void setMode(String mode) {
+        this.mode = mode;
+        lblMode.setText(mode + " Appointment");
+        lblAppointmentId.setVisible(!mode.equals("Add"));
+    }
+
+    //
+    // INITIALIZE
+    //
+
+    @FXML
+    public void initialize() {
+
+        try {
+            cbService.setItems(ServiceDB.getServices());
+            cbCustomer.setItems(CustomerDB.getCustomers());
+            cbPet.setItems(PetDB.getPets());
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+
+        cbAppointmentStatus.setItems(statusList);
+
+        // Hours 9 AM - 5 PM
+        for (int i = 9; i <= 17; i++) {
+            cbHour.getItems().add(i);
+        }
+
+        cbMinute.getItems().addAll(0, 15, 30, 45);
+
+        // Show pet name
+        cbPet.setCellFactory(param -> new ListCell<>() {
+            @Override
+            protected void updateItem(Pet pet, boolean empty) {
+                super.updateItem(pet, empty);
+                setText(empty || pet == null ? null : pet.getPetName());
+            }
+        });
+
+        cbPet.setButtonCell(new ListCell<>() {
+            @Override
+            protected void updateItem(Pet pet, boolean empty) {
+                super.updateItem(pet, empty);
+                setText(empty || pet == null ? null : pet.getPetName());
+            }
+        });
+
+        btnSave.setOnMouseClicked(this::buttonSaveClicked);
+        btnCancel.setOnMouseClicked(this::closeStage);
+    }
+
+    //
+    // DISPLAY FOR EDIT
+    //
+
+    public void displayAppointmentDetails(AppointmentDTO appt) {
+
+        selectedAppointment = appt;
+        lblAppointmentId.setText("ID: " + appt.getAppointmentId());
+
+        dpAppointmentDate.setValue(
+                java.time.LocalDate.parse(appt.getAppointmentDate())
+        );
+
+        cbAppointmentStatus.setValue(appt.getAppointmentStatus());
+
+        Time time = Time.valueOf(appt.getAppointmentTime());
+        cbHour.setValue(time.toLocalTime().getHour());
+        cbMinute.setValue(time.toLocalTime().getMinute());
+
+        cbService.getItems().forEach(s -> {
+            if (s.getServiceId() == appt.getServiceId()) cbService.setValue(s);
+        });
+
+        cbCustomer.getItems().forEach(c -> {
+            if (c.getCustomerId() == appt.getCustomerId()) cbCustomer.setValue(c);
+        });
+
+        cbPet.getItems().forEach(p -> {
+            if (p.getPetId() == appt.getPetId()) cbPet.setValue(p);
+        });
+    }
+
+    //
+    // SAVE
+    //
+
+    private void buttonSaveClicked(MouseEvent e) {
+
+        if (cbService.getValue() == null ||
+                cbCustomer.getValue() == null ||
+                cbPet.getValue() == null ||
+                dpAppointmentDate.getValue() == null ||
+                cbHour.getValue() == null ||
+                cbMinute.getValue() == null ||
+                cbAppointmentStatus.getValue() == null) {
+
+            showError("All fields are required");
+            return;
+        }
+
+        Time appointmentTime =
+                Time.valueOf(String.format(
+                        "%02d:%02d:00",
+                        cbHour.getValue(),
+                        cbMinute.getValue()
+                ));
+
+        Appointment appt = new Appointment(
+                selectedAppointment == null ? 0 : selectedAppointment.getAppointmentId(),
+                cbService.getValue().getServiceId(),
+                cbCustomer.getValue().getCustomerId(),
+                dpAppointmentDate.getValue().toString(),
+                appointmentTime.toString(),
+                cbAppointmentStatus.getValue()
+        );
+
+        try {
+
+            if (mode.equals("Add")) {
+                int newId = AppointmentDB.insertAppointment(appt);
+                AppointmentDB.insertAppointmentPet(newId, cbPet.getValue().getPetId());
+            } else {
+                AppointmentDB.updateAppointment(
+                        selectedAppointment.getAppointmentId(),
+                        appt,
+                        cbPet.getValue().getPetId()
+                );
+            }
+
+            closeStage(e);
+
+        } catch (Exception ex) {
+            ex.printStackTrace();
+            showError("Error saving appointment");
+        }
+    }
+
+    //
+    // UTIL
+    //
+
+    private void closeStage(MouseEvent e) {
+        Stage stage = (Stage) ((Node) e.getSource()).getScene().getWindow();
+        stage.close();
+    }
+
+    private void showError(String msg) {
+        Alert alert = new Alert(Alert.AlertType.ERROR);
+        alert.setHeaderText("Input Error");
+        alert.setContentText(msg);
+        alert.showAndWait();
+    }
+}

src/main/java/org/example/petshopdesktop/controllers/dialogcontrollers/ServiceDialogController.java

@@ -0,0 +1,153 @@
+package org.example.petshopdesktop.controllers.dialogcontrollers;
+
+
+import javafx.fxml.FXML;
+import javafx.scene.Node;
+import javafx.scene.control.Button;
+import javafx.scene.control.Label;
+import javafx.scene.control.TextField;
+import javafx.scene.input.MouseEvent;
+import javafx.stage.Stage;
+import org.example.petshopdesktop.database.ServiceDB;
+import org.example.petshopdesktop.models.Service;
+import javafx.scene.control.Alert;
+import javafx.scene.control.ComboBox;
+
+
+public class ServiceDialogController {
+
+    @FXML
+    private Button btnCancel;
+
+    @FXML
+    private Button btnSave;
+
+    @FXML
+    private Label lblMode;
+
+    @FXML
+    private Label lblServiceId;
+
+    @FXML
+    private TextField txtServiceDesc;
+
+    @FXML
+    private TextField txtServiceName;
+
+    @FXML
+    private TextField txtServicePrice;
+
+    @FXML
+    private ComboBox<Integer> cbHours;
+
+    @FXML
+    private ComboBox<Integer> cbMinutes;
+
+    private String mode;
+    private Service selectedService;
+
+
+
+    @FXML
+    public void initialize() {
+        cbHours.getItems().addAll(0, 1, 2, 3, 4);
+        cbMinutes.getItems().addAll(0, 15, 30, 45);
+        btnSave.setOnAction(e -> saveService());
+        btnCancel.setOnAction(e -> close());
+    }
+
+    public void setMode(String mode) {
+        this.mode = mode;
+        lblMode.setText(mode + " Service");
+
+        if (mode.equals("Add")) {
+            lblServiceId.setVisible(false);
+        } else {
+            lblServiceId.setVisible(true);
+        }
+    }
+
+    public void setService(Service service) {
+        this.selectedService = service;
+
+        lblServiceId.setText("ID: " + service.getServiceId());
+        txtServiceName.setText(service.getServiceName());
+        txtServiceDesc.setText(service.getServiceDesc());
+        int totalMinutes = service.getServiceDuration();
+        cbHours.setValue(totalMinutes / 60);
+        cbMinutes.setValue(totalMinutes % 60);
+        txtServicePrice.setText(String.valueOf(service.getServicePrice()));
+    }
+
+    private void saveService() {
+
+        String name = txtServiceName.getText();
+        String desc = txtServiceDesc.getText();
+        String priceText = txtServicePrice.getText();
+
+        Integer hours = cbHours.getValue();
+        Integer minutes = cbMinutes.getValue();
+
+        // -------- VALIDATION --------
+        if (name == null || name.isBlank()) {
+            showError("Service name is required.");
+            return;
+        }
+
+        if (priceText == null || priceText.isBlank()) {
+            showError("Price is required.");
+            return;
+        }
+
+        if (hours == null || minutes == null) {
+            showError("Please select duration.");
+            return;
+        }
+
+        double price;
+
+        try {
+            price = Double.parseDouble(priceText);
+        } catch (NumberFormatException e) {
+            showError("Price must be numeric.");
+            return;
+        }
+
+        int duration = (hours * 60) + minutes;
+
+        Service service = new Service(
+                selectedService == null ? 0 : selectedService.getServiceId(),
+                name,
+                desc,
+                duration,
+                price
+        );
+
+        try {
+
+            if (mode.equals("Add")) {
+                ServiceDB.insertService(service);
+            } else {
+                ServiceDB.updateService(selectedService.getServiceId(), service);
+            }
+
+            close();
+
+        } catch (Exception e) {
+            e.printStackTrace();
+            showError("Database error while saving service.");
+        }
+    }
+
+    private void showError(String msg) {
+        Alert alert = new Alert(Alert.AlertType.ERROR);
+        alert.setHeaderText("Invalid Input");
+        alert.setContentText(msg);
+        alert.showAndWait();
+    }
+
+    private void close() {
+        Stage stage = (Stage) btnSave.getScene().getWindow();
+        stage.close();
+    }
+}

src/main/java/org/example/petshopdesktop/database/AppointmentDB.java

@@ -0,0 +1,193 @@
+package org.example.petshopdesktop.database;
+
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+
+import org.example.petshopdesktop.DTOs.AppointmentDTO;
+import org.example.petshopdesktop.models.Appointment;
+
+import java.sql.*;
+
+public class AppointmentDB {
+
+    // ============================
+    // GET ALL APPOINTMENTS
+    // ============================
+    public static ObservableList<AppointmentDTO> getAppointmentDTOs()
+            throws SQLException {
+
+        ObservableList<AppointmentDTO> list =
+                FXCollections.observableArrayList();
+
+        Connection conn = ConnectionDB.getConnection();
+
+        String sql = """
+            SELECT a.appointmentId,
+                   c.customerId,
+                   CONCAT(c.firstName,' ',c.lastName) AS customerName,
+                   p.petId,
+                   p.petName,
+                   s.serviceId,
+                   s.serviceName,
+                   a.appointmentDate,
+                   a.appointmentTime,
+                   a.appointmentStatus
+            FROM appointment a
+            JOIN customer c ON a.customerId = c.customerId
+            JOIN appointmentPet ap ON a.appointmentId = ap.appointmentId
+            JOIN pet p ON ap.petId = p.petId
+            JOIN service s ON a.serviceId = s.serviceId
+        """;
+
+        Statement stmt = conn.createStatement();
+        ResultSet rs = stmt.executeQuery(sql);
+
+        while (rs.next()) {
+
+            AppointmentDTO dto = new AppointmentDTO(
+                    rs.getInt("appointmentId"),
+
+                    rs.getInt("customerId"),
+                    rs.getString("customerName"),
+
+                    rs.getInt("petId"),
+                    rs.getString("petName"),
+
+                    rs.getInt("serviceId"),
+                    rs.getString("serviceName"),
+
+                    rs.getString("appointmentDate"),
+                    rs.getString("appointmentTime"),
+                    rs.getString("appointmentStatus")
+            );
+
+            list.add(dto);
+        }
+
+        conn.close();
+        return list;
+    }
+
+    // ============================
+    // INSERT APPOINTMENT
+    // ============================
+    public static int insertAppointment(Appointment appt)
+            throws SQLException {
+
+        Connection conn = ConnectionDB.getConnection();
+
+        String sql = """
+            INSERT INTO appointment
+            (serviceId, customerId, appointmentDate,
+             appointmentTime, appointmentStatus)
+            VALUES (?,?,?,?,?)
+        """;
+
+        PreparedStatement ps =
+                conn.prepareStatement(sql,
+                        Statement.RETURN_GENERATED_KEYS);
+
+        ps.setInt(1, appt.getServiceId());
+        ps.setInt(2, appt.getCustomerId());
+        ps.setString(3, appt.getAppointmentDate());
+        ps.setString(4, appt.getAppointmentTime());
+        ps.setString(5, appt.getAppointmentStatus());
+
+        ps.executeUpdate();
+
+        ResultSet keys = ps.getGeneratedKeys();
+        int newId = 0;
+
+        if (keys.next()) {
+            newId = keys.getInt(1);
+        }
+
+        conn.close();
+        return newId;
+    }
+
+    //
+    // LINK PET TO APPOINTMENT
+    //
+    public static void insertAppointmentPet(int appointmentId,
+                                            int petId)
+            throws SQLException {
+
+        Connection conn = ConnectionDB.getConnection();
+
+        String sql =
+                "INSERT INTO appointmentPet (appointmentId, petId) VALUES (?,?)";
+
+        PreparedStatement ps = conn.prepareStatement(sql);
+        ps.setInt(1, appointmentId);
+        ps.setInt(2, petId);
+        ps.executeUpdate();
+
+        conn.close();
+    }
+
+    //
+    // UPDATE APPOINTMENT
+    //
+    public static int updateAppointment(int id,
+                                        Appointment appt,
+                                        int petId)
+            throws SQLException {
+
+        Connection conn = ConnectionDB.getConnection();
+
+        String sql =
+                "UPDATE appointment SET serviceId=?, customerId=?, " +
+                        "appointmentDate=?, appointmentTime=?, appointmentStatus=? " +
+                        "WHERE appointmentId=?";
+
+        PreparedStatement ps = conn.prepareStatement(sql);
+
+        ps.setInt(1, appt.getServiceId());
+        ps.setInt(2, appt.getCustomerId());
+        ps.setString(3, appt.getAppointmentDate());
+        ps.setString(4, appt.getAppointmentTime());
+        ps.setString(5, appt.getAppointmentStatus());
+        ps.setInt(6, id);
+
+        ps.executeUpdate();
+
+        String sql2 =
+                "UPDATE appointmentPet SET petId=? WHERE appointmentId=?";
+
+        PreparedStatement ps2 = conn.prepareStatement(sql2);
+        ps2.setInt(1, petId);
+        ps2.setInt(2, id);
+        ps2.executeUpdate();
+
+        conn.close();
+        return 1;
+    }
+
+    //
+    // DELETE APPOINTMENT
+    //
+    public static int deleteAppointment(int id)
+            throws SQLException {
+
+        Connection conn = ConnectionDB.getConnection();
+
+        PreparedStatement ps1 =
+                conn.prepareStatement(
+                        "DELETE FROM appointmentPet WHERE appointmentId=?"
+                );
+        ps1.setInt(1, id);
+        ps1.executeUpdate();
+
+        PreparedStatement ps2 =
+                conn.prepareStatement(
+                        "DELETE FROM appointment WHERE appointmentId=?"
+                );
+        ps2.setInt(1, id);
+
+        int rows = ps2.executeUpdate();
+
+        conn.close();
+        return rows;
+    }
+}

src/main/java/org/example/petshopdesktop/database/CustomerDB.java

@@ -0,0 +1,43 @@
+package org.example.petshopdesktop.database;
+
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import org.example.petshopdesktop.models.Customer;
+
+import java.sql.*;
+
+public class CustomerDB {
+
+    //
+    // GET ALL CUSTOMERS
+    //
+    public static ObservableList<Customer> getCustomers()
+            throws SQLException {
+
+        ObservableList<Customer> list =
+                FXCollections.observableArrayList();
+
+        Connection conn = ConnectionDB.getConnection();
+
+        String sql = "SELECT * FROM customer";
+
+        Statement stmt = conn.createStatement();
+        ResultSet rs = stmt.executeQuery(sql);
+
+        while(rs.next()) {
+
+            Customer c = new Customer(
+                    rs.getInt("customerId"),
+                    rs.getString("firstName"),
+                    rs.getString("lastName"),
+                    rs.getString("email"),
+                    rs.getString("phone")
+            );
+
+            list.add(c);
+        }
+
+        conn.close();
+        return list;
+    }
+}

src/main/java/org/example/petshopdesktop/database/PurchaseOrderDB.java

@@ -0,0 +1,45 @@
+package org.example.petshopdesktop.database;
+
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import org.example.petshopdesktop.DTOs.PurchaseOrderDTO;
+
+import java.sql.*;
+
+public class PurchaseOrderDB {
+
+    public static ObservableList<PurchaseOrderDTO> getPurchaseOrders()
+            throws SQLException {
+
+        ObservableList<PurchaseOrderDTO> list =
+                FXCollections.observableArrayList();
+
+        Connection conn = ConnectionDB.getConnection();
+
+        String sql = """
+            SELECT po.purchaseOrderId,
+                   s.supCompany,
+                   po.orderDate,
+                   po.status
+            FROM purchaseOrder po
+            JOIN supplier s ON po.supId = s.supId
+            ORDER BY po.purchaseOrderId
+        """;
+
+        Statement stmt = conn.createStatement();
+        ResultSet rs = stmt.executeQuery(sql);
+
+        while (rs.next()) {
+
+            list.add(new PurchaseOrderDTO(
+                    rs.getInt("purchaseOrderId"),
+                    rs.getString("supCompany"),
+                    rs.getString("orderDate"),
+                    rs.getString("status")
+            ));
+        }
+
+        conn.close();
+        return list;
+    }
+}

src/main/java/org/example/petshopdesktop/database/ServiceDB.java

@@ -0,0 +1,107 @@
+package org.example.petshopdesktop.database;
+
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import org.example.petshopdesktop.models.Service;
+
+import java.sql.*;
+
+public class ServiceDB {
+
+    //
+    // GET ALL SERVICES
+    //
+    public static ObservableList<Service> getServices() throws SQLException {
+
+        ObservableList<Service> list = FXCollections.observableArrayList();
+        Connection conn = ConnectionDB.getConnection();
+
+        String sql = "SELECT * FROM service";
+        Statement stmt = conn.createStatement();
+        ResultSet rs = stmt.executeQuery(sql);
+
+        while (rs.next()) {
+
+            Service service = new Service(
+                    rs.getInt("serviceId"),
+                    rs.getString("serviceName"),
+                    rs.getString("serviceDesc"),
+                    rs.getInt("serviceDuration"),
+                    rs.getDouble("servicePrice")
+            );
+
+            list.add(service);
+        }
+
+        conn.close();
+        return list;
+    }
+
+    //
+    // INSERT SERVICE
+    //
+    public static int insertService(Service service) throws SQLException {
+
+        Connection conn = ConnectionDB.getConnection();
+
+        String sql =
+                "INSERT INTO service (serviceName, serviceDesc, serviceDuration, servicePrice) " +
+                        "VALUES (?, ?, ?, ?)";
+
+        PreparedStatement stmt = conn.prepareStatement(sql);
+
+        stmt.setString(1, service.getServiceName());
+        stmt.setString(2, service.getServiceDesc());
+        stmt.setInt(3, service.getServiceDuration());
+        stmt.setDouble(4, service.getServicePrice());
+
+        int rows = stmt.executeUpdate();
+        conn.close();
+
+        return rows;
+    }
+
+    //
+    // UPDATE SERVICE
+    //
+    public static int updateService(int id, Service service) throws SQLException {
+
+        Connection conn = ConnectionDB.getConnection();
+
+        String sql =
+                "UPDATE service SET " +
+                        "serviceName=?, serviceDesc=?, serviceDuration=?, servicePrice=? " +
+                        "WHERE serviceId=?";
+
+        PreparedStatement stmt = conn.prepareStatement(sql);
+
+        stmt.setString(1, service.getServiceName());
+        stmt.setString(2, service.getServiceDesc());
+        stmt.setInt(3, service.getServiceDuration());
+        stmt.setDouble(4, service.getServicePrice());
+        stmt.setInt(5, id);
+
+        int rows = stmt.executeUpdate();
+        conn.close();
+
+        return rows;
+    }
+
+    //
+    // DELETE SERVICE
+    //
+    public static int deleteService(int id) throws SQLException {
+
+        Connection conn = ConnectionDB.getConnection();
+
+        String sql = "DELETE FROM service WHERE serviceId=?";
+
+        PreparedStatement stmt = conn.prepareStatement(sql);
+        stmt.setInt(1, id);
+
+        int rows = stmt.executeUpdate();
+        conn.close();
+
+        return rows;
+    }
+}

src/main/java/org/example/petshopdesktop/models/Appointment.java

@@ -0,0 +1,46 @@
+package org.example.petshopdesktop.models;
+
+import javafx.beans.property.SimpleIntegerProperty;
+import javafx.beans.property.SimpleStringProperty;
+
+public class Appointment {
+
+    private SimpleIntegerProperty appointmentId;
+    private SimpleIntegerProperty serviceId;
+    private SimpleIntegerProperty customerId;
+    private SimpleStringProperty appointmentDate;
+    private SimpleStringProperty appointmentTime;
+    private SimpleStringProperty appointmentStatus;
+
+    // Constructor
+    public Appointment(int appointmentId,
+                       int serviceId,
+                       int customerId,
+                       String appointmentDate,
+                       String appointmentTime,
+                       String appointmentStatus) {
+
+        this.appointmentId = new SimpleIntegerProperty(appointmentId);
+        this.serviceId = new SimpleIntegerProperty(serviceId);
+        this.customerId = new SimpleIntegerProperty(customerId);
+        this.appointmentDate = new SimpleStringProperty(appointmentDate);
+        this.appointmentTime = new SimpleStringProperty(appointmentTime);
+        this.appointmentStatus = new SimpleStringProperty(appointmentStatus);
+    }
+
+    // Getters
+    public int getAppointmentId() { return appointmentId.get(); }
+    public int getServiceId() { return serviceId.get(); }
+    public int getCustomerId() { return customerId.get(); }
+    public String getAppointmentDate() { return appointmentDate.get(); }
+    public String getAppointmentTime() { return appointmentTime.get(); }
+    public String getAppointmentStatus() { return appointmentStatus.get(); }
+
+    // Properties
+    public SimpleIntegerProperty appointmentIdProperty() { return appointmentId; }
+    public SimpleIntegerProperty serviceIdProperty() { return serviceId; }
+    public SimpleIntegerProperty customerIdProperty() { return customerId; }
+    public SimpleStringProperty appointmentDateProperty() { return appointmentDate; }
+    public SimpleStringProperty appointmentTimeProperty() { return appointmentTime; }
+    public SimpleStringProperty appointmentStatusProperty() { return appointmentStatus; }
+}

src/main/java/org/example/petshopdesktop/models/Customer.java

@@ -0,0 +1,75 @@
+package org.example.petshopdesktop.models;
+
+import javafx.beans.property.SimpleIntegerProperty;
+import javafx.beans.property.SimpleStringProperty;
+
+public class Customer {
+
+    private SimpleIntegerProperty customerId;
+    private SimpleStringProperty firstName;
+    private SimpleStringProperty lastName;
+    private SimpleStringProperty email;
+    private SimpleStringProperty phone;
+
+    // Constructor
+    public Customer(int customerId,
+                    String firstName,
+                    String lastName,
+                    String email,
+                    String phone) {
+
+        this.customerId = new SimpleIntegerProperty(customerId);
+        this.firstName = new SimpleStringProperty(firstName);
+        this.lastName = new SimpleStringProperty(lastName);
+        this.email = new SimpleStringProperty(email);
+        this.phone = new SimpleStringProperty(phone);
+    }
+
+    // Getters
+    public int getCustomerId() {
+        return customerId.get();
+    }
+
+    public String getFirstName() {
+        return firstName.get();
+    }
+
+    public String getLastName() {
+        return lastName.get();
+    }
+
+    public String getEmail() {
+        return email.get();
+    }
+
+    public String getPhone() {
+        return phone.get();
+    }
+
+    // Properties (optional but useful later)
+    public SimpleIntegerProperty customerIdProperty() {
+        return customerId;
+    }
+
+    public SimpleStringProperty firstNameProperty() {
+        return firstName;
+    }
+
+    public SimpleStringProperty lastNameProperty() {
+        return lastName;
+    }
+
+    public SimpleStringProperty emailProperty() {
+        return email;
+    }
+
+    public SimpleStringProperty phoneProperty() {
+        return phone;
+    }
+
+    // This controls how customer appears in ComboBox
+    @Override
+    public String toString() {
+        return getFirstName() + " " + getLastName();
+    }
+}

src/main/java/org/example/petshopdesktop/models/PurchaseOrder.java

@@ -0,0 +1,35 @@
+package org.example.petshopdesktop.models;
+
+public class PurchaseOrder {
+
+    private int purchaseOrderId;
+    private int supId;
+    private String orderDate;
+    private String status;
+
+    public PurchaseOrder(int purchaseOrderId,
+                         int supId,
+                         String orderDate,
+                         String status) {
+        this.purchaseOrderId = purchaseOrderId;
+        this.supId = supId;
+        this.orderDate = orderDate;
+        this.status = status;
+    }
+
+    public int getPurchaseOrderId() {
+        return purchaseOrderId;
+    }
+
+    public int getSupId() {
+        return supId;
+    }
+
+    public String getOrderDate() {
+        return orderDate;
+    }
+
+    public String getStatus() {
+        return status;
+    }
+}

src/main/java/org/example/petshopdesktop/models/Service.java

@@ -0,0 +1,98 @@
+package org.example.petshopdesktop.models;
+
+import javafx.beans.property.SimpleDoubleProperty;
+import javafx.beans.property.SimpleIntegerProperty;
+import javafx.beans.property.SimpleStringProperty;
+
+/**
+ * The class for the entity of services (contains all data relating to services)
+ */
+public class Service {
+
+    private SimpleIntegerProperty serviceId;
+    private SimpleStringProperty serviceName;
+    private SimpleStringProperty serviceDesc;
+    private SimpleIntegerProperty serviceDuration;
+    private SimpleDoubleProperty servicePrice;
+
+    // constructor
+    public Service(int serviceId,
+                   String serviceName,
+                   String serviceDesc,
+                   int serviceDuration,
+                   double servicePrice) {
+
+        this.serviceId = new SimpleIntegerProperty(serviceId);
+        this.serviceName = new SimpleStringProperty(serviceName);
+        this.serviceDesc = new SimpleStringProperty(serviceDesc);
+        this.serviceDuration = new SimpleIntegerProperty(serviceDuration);
+        this.servicePrice = new SimpleDoubleProperty(servicePrice);
+    }
+
+    // getters & setters
+
+    public int getServiceId() {
+        return serviceId.get();
+    }
+
+    public SimpleIntegerProperty serviceIdProperty() {
+        return serviceId;
+    }
+
+    public void setServiceId(int serviceId) {
+        this.serviceId.set(serviceId);
+    }
+
+    public String getServiceName() {
+        return serviceName.get();
+    }
+
+    public SimpleStringProperty serviceNameProperty() {
+        return serviceName;
+    }
+
+    public void setServiceName(String serviceName) {
+        this.serviceName.set(serviceName);
+    }
+
+    public String getServiceDesc() {
+        return serviceDesc.get();
+    }
+
+    public SimpleStringProperty serviceDescProperty() {
+        return serviceDesc;
+    }
+
+    public void setServiceDesc(String serviceDesc) {
+        this.serviceDesc.set(serviceDesc);
+    }
+
+    public int getServiceDuration() {
+        return serviceDuration.get();
+    }
+
+    public SimpleIntegerProperty serviceDurationProperty() {
+        return serviceDuration;
+    }
+
+    public void setServiceDuration(int serviceDuration) {
+        this.serviceDuration.set(serviceDuration);
+    }
+
+    public double getServicePrice() {
+        return servicePrice.get();
+    }
+
+    public SimpleDoubleProperty servicePriceProperty() {
+        return servicePrice;
+    }
+
+    public void setServicePrice(double servicePrice) {
+        this.servicePrice.set(servicePrice);
+    }
+
+    @Override
+    public String toString() {
+        return getServiceName();
+    }
+}

src/main/resources/org/example/petshopdesktop/dialogviews/appointment-dialog-view.fxml

@@ -0,0 +1,221 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.ComboBox?>
+<?import javafx.scene.control.DatePicker?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.ColumnConstraints?>
+<?import javafx.scene.layout.GridPane?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.RowConstraints?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+<?import javafx.scene.control.ComboBox?>
+<?import javafx.scene.layout.HBox?>
+
+<VBox minHeight="-Infinity" minWidth="-Infinity" prefHeight="523.0" prefWidth="790.0"
+      spacing="20.0" style="-fx-font-size: 14px;"
+      xmlns="http://javafx.com/javafx/25" xmlns:fx="http://javafx.com/fxml/1"
+      fx:controller="org.example.petshopdesktop.controllers.dialogcontrollers.AppointmentDialogController">
+    <children>
+        <HBox alignment="CENTER_LEFT" prefHeight="79.0" prefWidth="727.0" spacing="20.0"
+              style="-fx-background-color: #2C3E50; -fx-background-radius: 14;">
+            <children>
+                <VBox alignment="CENTER_LEFT" prefHeight="93.0" prefWidth="299.0">
+                    <children>
+                        <Label fx:id="lblMode" prefHeight="42.0" prefWidth="275.0" text="Mode Appointment"
+                               textFill="WHITE">
+                            <font>
+                                <Font name="Comic Sans MS Bold" size="30.0" />
+                            </font>
+                        </Label>
+                        <Label fx:id="lblAppointmentId" text="ID: 1" textFill="#ffe66d">
+                            <font>
+                                <Font size="14.0" />
+                            </font>
+                            <VBox.margin>
+                                <Insets top="10.0" />
+                            </VBox.margin>
+                        </Label>
+                    </children>
+                    <padding>
+                        <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
+                    </padding>
+                    <HBox.margin>
+                        <Insets />
+                    </HBox.margin>
+                </VBox>
+                <Region prefHeight="93.0" prefWidth="151.0" HBox.hgrow="ALWAYS" />
+                <Button fx:id="btnCancel" layoutX="391.0" layoutY="38.0"
+                        mnemonicParsing="false" style="-fx-background-color: #E74c3c; -fx-cursor: hand; -fx-background-radius: 8;" text="Cancel" textFill="WHITE">
+                    <font>
+                        <Font name="System Bold" size="14.0" />
+                    </font>
+                    <padding>
+                        <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+                    </padding>
+                </Button>
+                <Button fx:id="btnSave" layoutX="520.0" layoutY="38.0" mnemonicParsing="false"
+                        style="-fx-background-color: #3fe06a; -fx-cursor: hand; -fx-background-radius: 8;" text="Save" textFill="WHITE">
+                    <font>
+                        <Font name="System Bold" size="14.0" />
+                    </font>
+                    <padding>
+                        <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+                    </padding>
+                </Button>
+            </children>
+            <padding>
+                <Insets left="15.0" right="15.0" />
+            </padding>
+        </HBox>
+        <VBox prefHeight="370.0" prefWidth="750.0"
+              style="-fx-background-color: white; -fx-background-radius: 14; -fx-border-width: 2; -fx-border-color: #5580b5; -fx-border-radius: 14;">
+            <children>
+                <GridPane hgap="25.0" VBox.vgrow="ALWAYS">
+                    <columnConstraints>
+                        <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
+                        <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
+                    </columnConstraints>
+                    <rowConstraints>
+                        <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
+                        <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
+                        <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
+                    </rowConstraints>
+                    <children>
+                        <VBox prefHeight="200.0" prefWidth="100.0" spacing="8.0">
+                            <children>
+                                <Label text="Service:" textFill="#2c3e50">
+                                    <font>
+                                        <Font name="System Bold" size="16.0" />
+                                    </font>
+                                </Label>
+                                <ComboBox fx:id="cbService" prefHeight="29.0" prefWidth="336.0" promptText="Select Service" style="-fx-border-color: #E8EBED; -fx-border-width: 2; -fx-border-radius: 10; -fx-background-radius: 10; -fx-background-color: white;">
+                                    <padding>
+                                        <Insets bottom="3.0" left="10.0" right="10.0" top="3.0" />
+                                    </padding>
+                                </ComboBox>
+                            </children>
+                        </VBox>
+                        <VBox prefHeight="200.0" prefWidth="100.0" spacing="8.0" GridPane.columnIndex="1">
+                            <children>
+                                <Label text="Customer:" textFill="#2c3e50">
+                                    <font>
+                                        <Font name="System Bold" size="16.0" />
+                                    </font>
+                                </Label>
+                                <ComboBox fx:id="cbCustomer" prefHeight="29.0" prefWidth="336.0" promptText="Select Customer" style="-fx-border-color: #E8EBED; -fx-border-width: 2; -fx-border-radius: 10; -fx-background-radius: 10; -fx-background-color: white;">
+                                    <padding>
+                                        <Insets bottom="3.0" left="10.0" right="10.0" top="3.0" />
+                                    </padding>
+                                </ComboBox>
+                            </children>
+                        </VBox>
+                        <VBox prefHeight="200.0" prefWidth="100.0" spacing="8.0" GridPane.rowIndex="1">
+                            <children>
+                                <Label text="Appointment Date:" textFill="#2c3e50">
+                                    <font>
+                                        <Font name="System Bold" size="16.0" />
+                                    </font>
+                                </Label>
+                                <DatePicker fx:id="dpAppointmentDate" prefHeight="29.0" prefWidth="336.0" style="-fx-border-color: #E8EBED; -fx-border-width: 2; -fx-border-radius: 10; -fx-background-radius: 10; -fx-background-color: white;">
+                                    <padding>
+                                        <Insets bottom="3.0" left="10.0" right="10.0" top="3.0" />
+                                    </padding>
+                                </DatePicker>
+                            </children>
+                        </VBox>
+                        <VBox prefHeight="200.0" prefWidth="100.0" spacing="8.0" GridPane.columnIndex="1" GridPane.rowIndex="2">
+                            <children>
+                                <Label text="Status:" textFill="#2c3e50">
+                                    <font>
+                                        <Font name="System Bold" size="16.0" />
+                                    </font>
+                                </Label>
+                                <ComboBox fx:id="cbAppointmentStatus" prefHeight="29.0" prefWidth="336.0" promptText="Select Status" style="-fx-border-color: #E8EBED; -fx-border-width: 2; -fx-border-radius: 10; -fx-background-radius: 10; -fx-background-color: white;">
+                                    <padding>
+                                        <Insets bottom="3.0" left="10.0" right="10.0" top="3.0" />
+                                    </padding>
+                                </ComboBox>
+                            </children>
+                        </VBox>
+                        <VBox prefHeight="200.0"
+                              prefWidth="100.0"
+                              spacing="8.0"
+                              GridPane.columnIndex="1"
+                              GridPane.rowIndex="1">
+
+                            <children>
+
+                                <Label text="Appointment Time:" textFill="#2c3e50">
+                                    <font>
+                                        <Font name="System Bold" size="16.0" />
+                                    </font>
+                                </Label>
+
+                                <HBox spacing="10">
+
+                                    <!-- Hour -->
+                                    <ComboBox fx:id="cbHour"
+                                              promptText="Hour"
+                                              prefWidth="160"
+                                              style="-fx-border-color: #E8EBED;
+                             -fx-border-width: 2;
+                             -fx-border-radius: 10;
+                             -fx-background-radius: 10;
+                             -fx-background-color: white;">
+                                        <padding>
+                                            <Insets bottom="3.0" left="10.0" right="10.0" top="3.0" />
+                                        </padding>
+                                    </ComboBox>
+
+                                    <!-- Minute -->
+                                    <ComboBox fx:id="cbMinute"
+                                              promptText="Minute"
+                                              prefWidth="160"
+                                              style="-fx-border-color: #E8EBED;
+                             -fx-border-width: 2;
+                             -fx-border-radius: 10;
+                             -fx-background-radius: 10;
+                             -fx-background-color: white;">
+                                        <padding>
+                                            <Insets bottom="3.0" left="10.0" right="10.0" top="3.0" />
+                                        </padding>
+                                    </ComboBox>
+
+                                </HBox>
+
+                            </children>
+
+                        </VBox>
+                        <VBox prefHeight="200.0" prefWidth="100.0" spacing="8.0" GridPane.rowIndex="2">
+                            <children>
+                                <Label text="Pet:" textFill="#2c3e50">
+                                    <font>
+                                        <Font name="System Bold" size="16.0" />
+                                    </font>
+                                </Label>
+                                <ComboBox fx:id="cbPet" prefHeight="29.0" prefWidth="336.0" promptText="Select Pet" style="-fx-border-color: #E8EBED; -fx-border-width: 2; -fx-border-radius: 10; -fx-background-radius: 10; -fx-background-color: white;">
+                                    <padding>
+                                        <Insets bottom="3.0" left="10.0" right="10.0" top="3.0" />
+                                    </padding>
+                                </ComboBox>
+                            </children>
+                        </VBox>
+                    </children>
+                    <VBox.margin>
+                        <Insets bottom="15.0" left="15.0" right="15.0" top="15.0" />
+                    </VBox.margin>
+                </GridPane>
+            </children>
+            <padding>
+                <Insets bottom="15.0" left="15.0" right="15.0" top="15.0" />
+            </padding>
+        </VBox>
+    </children>
+    <padding>
+        <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+    </padding>
+</VBox>

src/main/resources/org/example/petshopdesktop/dialogviews/service-dialog-view.fxml

@@ -0,0 +1,181 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.ColumnConstraints?>
+<?import javafx.scene.layout.GridPane?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.RowConstraints?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+<?import javafx.scene.control.ComboBox?>
+
+<VBox minHeight="-Infinity" minWidth="-Infinity" prefHeight="523.0" prefWidth="790.0" spacing="20.0" style="-fx-font-size: 14px;" xmlns="http://javafx.com/javafx/25" xmlns:fx="http://javafx.com/fxml/1" fx:controller="org.example.petshopdesktop.controllers.dialogcontrollers.ServiceDialogController">
+    <children>
+        <HBox alignment="CENTER_LEFT" prefHeight="79.0" prefWidth="727.0" spacing="20.0" style="-fx-background-color: #2C3E50; -fx-background-radius: 14;">
+            <children>
+                <VBox alignment="CENTER_LEFT" prefHeight="79.0" prefWidth="246.0">
+                    <children>
+                        <Label fx:id="lblMode" prefHeight="54.0" prefWidth="246.0" text="Mode Service" textFill="WHITE">
+                            <font>
+                                <Font name="Comic Sans MS Bold" size="30.0" />
+                            </font>
+                        </Label>
+                        <Label fx:id="lblServiceId" text="ID: 1" textFill="#ffe66d">
+                            <font>
+                                <Font size="14.0" />
+                            </font>
+                            <VBox.margin>
+                                <Insets top="10.0" />
+                            </VBox.margin>
+                        </Label>
+                    </children>
+                    <padding>
+                        <Insets bottom="10.0" left="10.0" right="10.0" top="10.0" />
+                    </padding>
+                    <HBox.margin>
+                        <Insets />
+                    </HBox.margin>
+                </VBox>
+                <Region prefHeight="79.0" prefWidth="243.0" HBox.hgrow="ALWAYS" />
+                <Button fx:id="btnCancel" layoutX="391.0" layoutY="38.0" mnemonicParsing="false" style="-fx-background-color: #E74c3c; -fx-cursor: hand; -fx-background-radius: 8;" text="Cancel" textFill="WHITE">
+                    <font>
+                        <Font name="System Bold" size="14.0" />
+                    </font>
+                    <padding>
+                        <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+                    </padding>
+                </Button>
+                <Button fx:id="btnSave" layoutX="520.0" layoutY="38.0" mnemonicParsing="false" style="-fx-background-color: #3fe06a; -fx-cursor: hand; -fx-background-radius: 8;" text="Save" textFill="WHITE">
+                    <font>
+                        <Font name="System Bold" size="14.0" />
+                    </font>
+                    <padding>
+                        <Insets bottom="12.0" left="24.0" right="24.0" top="12.0" />
+                    </padding>
+                </Button>
+            </children>
+            <padding>
+                <Insets left="15.0" right="15.0" />
+            </padding>
+        </HBox>
+        <VBox prefHeight="370.0" prefWidth="750.0" style="-fx-background-color: white; -fx-background-radius: 14; -fx-border-width: 2; -fx-border-color: #5580b5; -fx-border-radius: 14;">
+            <children>
+                <GridPane hgap="25.0" VBox.vgrow="ALWAYS">
+                    <columnConstraints>
+                        <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
+                        <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
+                    </columnConstraints>
+                    <rowConstraints>
+                        <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
+                        <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
+                        <RowConstraints minHeight="10.0" prefHeight="30.0" vgrow="SOMETIMES" />
+                    </rowConstraints>
+                    <children>
+                        <VBox prefHeight="200.0" prefWidth="100.0" spacing="8.0">
+                            <children>
+                                <Label text="Service Name:" textFill="#2c3e50">
+                                    <font>
+                                        <Font name="System Bold" size="16.0" />
+                                    </font>
+                                </Label>
+                                <TextField fx:id="txtServiceName" style="-fx-border-color: #E8EBED; -fx-border-width: 2; -fx-border-radius: 10; -fx-background-radius: 10;">
+                                    <padding>
+                                        <Insets bottom="7.0" left="10.0" right="10.0" top="7.0" />
+                                    </padding>
+                                </TextField>
+                            </children>
+                        </VBox>
+                        <VBox prefHeight="200.0" prefWidth="100.0" spacing="8.0" GridPane.columnIndex="1">
+                            <children>
+                                <Label text="Description:" textFill="#2c3e50">
+                                    <font>
+                                        <Font name="System Bold" size="16.0" />
+                                    </font>
+                                </Label>
+                                <TextField fx:id="txtServiceDesc" style="-fx-border-color: #E8EBED; -fx-border-width: 2; -fx-border-radius: 10; -fx-background-radius: 10;">
+                                    <padding>
+                                        <Insets bottom="7.0" left="10.0" right="10.0" top="7.0" />
+                                    </padding>
+                                </TextField>
+                            </children>
+                        </VBox>
+                        <VBox prefHeight="200.0" prefWidth="100.0"
+                              spacing="8.0"
+                              GridPane.rowIndex="1">
+
+                            <children>
+
+                                <Label text="Duration:" textFill="#2c3e50">
+                                    <font>
+                                        <Font name="System Bold" size="16.0" />
+                                    </font>
+                                </Label>
+
+                                <HBox spacing="10">
+
+                                    <!-- Hours Combo -->
+                                    <ComboBox fx:id="cbHours"
+                                              promptText="Hours"
+                                              prefWidth="120"
+                                              style="-fx-border-color: #E8EBED;
+                             -fx-border-width: 2;
+                             -fx-border-radius: 10;
+                             -fx-background-radius: 10;
+                             -fx-background-color: white;">
+                                        <padding>
+                                            <Insets bottom="3.0" left="10.0" right="10.0" top="3.0" />
+                                        </padding>
+                                    </ComboBox>
+
+                                    <!-- Minutes Combo -->
+                                    <ComboBox fx:id="cbMinutes"
+                                              promptText="Minutes"
+                                              prefWidth="120"
+                                              style="-fx-border-color: #E8EBED;
+                             -fx-border-width: 2;
+                             -fx-border-radius: 10;
+                             -fx-background-radius: 10;
+                             -fx-background-color: white;">
+                                        <padding>
+                                            <Insets bottom="3.0" left="10.0" right="10.0" top="3.0" />
+                                        </padding>
+                                    </ComboBox>
+
+                                </HBox>
+
+                            </children>
+
+                        </VBox>
+                        <VBox prefHeight="200.0" prefWidth="100.0" spacing="8.0" GridPane.columnIndex="1" GridPane.rowIndex="1">
+                            <children>
+                                <Label text="Price:" textFill="#2c3e50">
+                                    <font>
+                                        <Font name="System Bold" size="16.0" />
+                                    </font>
+                                </Label>
+                                <TextField fx:id="txtServicePrice" style="-fx-border-color: #E8EBED; -fx-border-width: 2; -fx-border-radius: 10; -fx-background-radius: 10;">
+                                    <padding>
+                                        <Insets bottom="7.0" left="10.0" right="10.0" top="7.0" />
+                                    </padding>
+                                </TextField>
+                            </children>
+                        </VBox>
+                    </children>
+                    <VBox.margin>
+                        <Insets bottom="15.0" left="15.0" right="15.0" top="15.0" />
+                    </VBox.margin>
+                </GridPane>
+            </children>
+            <padding>
+                <Insets bottom="15.0" left="15.0" right="15.0" top="15.0" />
+            </padding>
+        </VBox>
+    </children>
+    <padding>
+        <Insets bottom="20.0" left="20.0" right="20.0" top="20.0" />
+    </padding>
+</VBox>

src/main/resources/org/example/petshopdesktop/main-layout-view.fxml

@@ -106,6 +106,21 @@
                   <Insets bottom="12.0" left="12.0" right="45.0" top="12.0" />
                </padding>
             </Button>
+
+            <Button fx:id="btnPurchaseOrders"
+                    mnemonicParsing="false"
+                    onAction="#btnPurchaseOrdersClicked"
+                    prefWidth="250.0"
+                    style="-fx-background-color: transparent; -fx-background-radius: 8; -fx-cursor: hand;"
+                    text="🧾 Purchase Orders"
+                    textFill="#cccccc">
+               <font>
+                  <Font name="Comic Sans MS Bold" size="14.0" />
+               </font>
+               <padding>
+                  <Insets bottom="12.0" left="12.0" right="40.0" top="12.0" />
+               </padding>
+            </Button>
             <Button fx:id="btnLogout" mnemonicParsing="false" onAction="#btnLogoutClicked" prefWidth="250.0" style="-fx-background-color: #34495E; -fx-background-radius: 8; -fx-cursor: hand;" text="🚪 Logout" textFill="#cccccc">
                <font>
                   <Font name="Comic Sans MS Bold" size="14.0" />

src/main/resources/org/example/petshopdesktop/modelviews/appointment-view.fxml

@@ -66,15 +66,15 @@
          </children>
       </HBox>
       <TableView fx:id="tvAppointments" prefHeight="362.0" prefWidth="752.0" style="-fx-background-color: white; -fx-background-radius: 12;" VBox.vgrow="ALWAYS">
-        <columns>
+         <columns>
-          <TableColumn fx:id="colAppointmentId" prefWidth="53.14288330078125" text="ID" />
+            <TableColumn fx:id="colAppointmentId" prefWidth="53.14288330078125" text="ID" />
-          <TableColumn fx:id="colPetName" prefWidth="108.00003051757812" text="Pet Name" />
+            <TableColumn fx:id="colPetName" prefWidth="108.00003051757812" text="Pet Name" />
             <TableColumn fx:id="colServiceName" prefWidth="132.0" text="Service" />
             <TableColumn fx:id="colAppointmentDate" prefWidth="101.14288330078125" text="Date" />
             <TableColumn fx:id="colAppointmentTime" prefWidth="89.7142333984375" text="Time" />
             <TableColumn fx:id="colCustomerName" prefWidth="168.57147216796875" text="Customer" />
             <TableColumn fx:id="colAppointmentStatus" prefWidth="98.28570556640625" text="Status" />
-        </columns>
+         </columns>
       </TableView>
    </children>
 </VBox>

src/main/resources/org/example/petshopdesktop/modelviews/purchase-order-view.fxml

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.*?>
+<?import javafx.scene.layout.*?>
+<?import javafx.scene.text.Font?>
+
+<VBox spacing="20.0"
+      style="-fx-font-size: 14px;"
+      xmlns="http://javafx.com/javafx/25"
+      xmlns:fx="http://javafx.com/fxml/1"
+      fx:controller="org.example.petshopdesktop.controllers.PurchaseOrderController">
+
+    <padding>
+        <Insets bottom="20" left="20" right="20" top="20"/>
+    </padding>
+
+    <!-- HEADER -->
+    <HBox spacing="20" alignment="CENTER_LEFT">
+        <Label text="Purchase Orders" textFill="#2c3e50">
+            <font>
+                <Font name="System Bold" size="30"/>
+            </font>
+        </Label>
+
+        <Label text="(View Only)" textFill="#7f8c8d">
+            <font>
+                <Font name="System Bold" size="16"/>
+            </font>
+            <padding>
+                <Insets top="10"/>
+            </padding>
+        </Label>
+
+        <Region HBox.hgrow="ALWAYS"/>
+
+        <Button fx:id="btnRefresh"
+                text="Refresh"
+                onAction="#btnRefresh"
+                style="-fx-background-color:#4ECDC4; -fx-background-radius:8;"
+                textFill="WHITE"/>
+    </HBox>
+
+    <!-- SEARCH -->
+    <HBox spacing="10"
+          style="-fx-background-color:white; -fx-background-radius:14; -fx-border-width:2; -fx-border-radius:14;">
+        <padding>
+            <Insets bottom="10" left="15" right="15" top="10"/>
+        </padding>
+
+        <TextField fx:id="txtSearch"
+                   promptText="Search Purchase Orders..."
+                   style="-fx-border-width:0; -fx-background-color:transparent;"
+                   HBox.hgrow="ALWAYS"/>
+    </HBox>
+
+    <!-- TABLE -->
+    <TableView fx:id="tvPurchaseOrders"
+               style="-fx-background-color:white; -fx-background-radius:12;"
+               VBox.vgrow="ALWAYS">
+
+        <columns>
+            <TableColumn fx:id="colOrderId" text="Order ID" prefWidth="80"/>
+            <TableColumn fx:id="colSupplier" text="Supplier" prefWidth="200"/>
+            <TableColumn fx:id="colOrderDate" text="Order Date" prefWidth="150"/>
+            <TableColumn fx:id="colStatus" text="Status" prefWidth="120"/>
+        </columns>
+
+    </TableView>
+
+</VBox>

src/main/resources/org/example/petshopdesktop/modelviews/purchaseorder-view.fxml

@@ -0,0 +1,82 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.control.TableColumn?>
+<?import javafx.scene.control.TableView?>
+<?import javafx.scene.control.TextField?>
+<?import javafx.scene.layout.HBox?>
+<?import javafx.scene.layout.Region?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+
+<VBox minHeight="-Infinity"
+      minWidth="-Infinity"
+      spacing="20"
+      style="-fx-font-size:14px;"
+      xmlns="http://javafx.com/javafx/25"
+      xmlns:fx="http://javafx.com/fxml/1"
+      fx:controller="org.example.petshopdesktop.controllers.PurchaseOrderdialogController">
+
+    <padding>
+        <Insets top="20" right="20" bottom="20" left="20"/>
+    </padding>
+
+    <!-- HEADER -->
+    <HBox alignment="CENTER_LEFT" spacing="20">
+
+        <Label text="Purchase Orders" textFill="#2c3e50">
+            <font>
+                <Font name="System Bold" size="30"/>
+            </font>
+        </Label>
+
+        <Region HBox.hgrow="ALWAYS"/>
+
+    </HBox>
+
+    <!-- SEARCH BAR -->
+    <HBox alignment="CENTER_LEFT"
+          spacing="10"
+          style="-fx-background-color:white; -fx-background-radius:14;">
+
+        <padding>
+            <Insets top="10" bottom="10" left="15" right="15"/>
+        </padding>
+
+        <TextField fx:id="txtSearch"
+                   promptText="Search Purchase Orders..."
+                   style="-fx-border-width:0; -fx-background-color:transparent;"
+                   HBox.hgrow="ALWAYS"/>
+
+    </HBox>
+
+    <!-- TABLE -->
+    <TableView fx:id="tvPurchaseOrders"
+               prefHeight="362"
+               style="-fx-background-color:white; -fx-background-radius:12;"
+               VBox.vgrow="ALWAYS">
+
+        <columns>
+
+            <TableColumn fx:id="colOrderId"
+                         text="Order ID"
+                         prefWidth="120"/>
+
+            <TableColumn fx:id="colSupplier"
+                         text="Supplier"
+                         prefWidth="250"/>
+
+            <TableColumn fx:id="colOrderDate"
+                         text="Order Date"
+                         prefWidth="200"/>
+
+            <TableColumn fx:id="colStatus"
+                         text="Status"
+                         prefWidth="180"/>
+
+        </columns>
+
+    </TableView>
+
+</VBox>

src/main/resources/org/example/petshopdesktop/modelviews/service-view.fxml

@@ -66,13 +66,13 @@
          </children>
       </HBox>
       <TableView fx:id="tvServices" prefHeight="362.0" prefWidth="752.0" style="-fx-background-color: white; -fx-background-radius: 12;" VBox.vgrow="ALWAYS">
-        <columns>
+         <columns>
-          <TableColumn fx:id="colServiceId" prefWidth="60.0" text="ID" />
+            <TableColumn fx:id="colServiceId" prefWidth="60.0" text="ID" />
-          <TableColumn fx:id="colServiceName" prefWidth="169.71432495117188" text="Name" />
+            <TableColumn fx:id="colServiceName" prefWidth="169.71432495117188" text="Name" />
             <TableColumn fx:id="colServiceDesc" prefWidth="206.85711669921875" text="Description" />
             <TableColumn fx:id="colServiceDuration" prefWidth="185.71429443359375" text="Duration (min)" />
             <TableColumn fx:id="colServicePrice" prefWidth="129.14288330078125" text="Price" />
-        </columns>
+         </columns>
       </TableView>
    </children>
 </VBox>