Added CRUD to Pet, Service, Supplier

- Made Pet, Service, supplier CRUD by calling the backend apiendpoints

app/src/main/java/com/example/petstoremobile/api/RetrofitClient.java

@@ -12,7 +12,8 @@ import retrofit2.converter.gson.GsonConverterFactory;
 
 public class RetrofitClient {
     //base URL
-    public static final String BASE_URL = "http://10.0.2.2:8080/api/"; //for emulator testing change to computer ip if using hardware to test
+//    public static final String BASE_URL = "http://10.0.2.2:8080/api/"; //for emulator testing change to computer ip if using hardware to test
+    public static final String BASE_URL = "http://10.0.0.200:8080/api/"; //for emulator testing change to computer ip if using hardware to test
 
     private static Retrofit retrofit = null;
 

app/src/main/java/com/example/petstoremobile/dtos/PetDTO.java

@@ -12,12 +12,29 @@ public class PetDTO {
     private String updatedAt;
 
     public Long getPetId() { return petId; }
+    public void setPetId(Long petId) { this.petId = petId; }
+
     public String getPetName() { return petName; }
+    public void setPetName(String petName) { this.petName = petName; }
+
     public String getPetSpecies() { return petSpecies; }
+    public void setPetSpecies(String petSpecies) { this.petSpecies = petSpecies; }
+
     public String getPetBreed() { return petBreed; }
+    public void setPetBreed(String petBreed) { this.petBreed = petBreed; }
+
     public Integer getPetAge() { return petAge; }
+    public void setPetAge(Integer petAge) { this.petAge = petAge; }
+
     public String getPetStatus() { return petStatus; }
+    public void setPetStatus(String petStatus) { this.petStatus = petStatus; }
+
     public String getPetPrice() { return petPrice; }
+    public void setPetPrice(String petPrice) { this.petPrice = petPrice; }
+
     public String getCreatedAt() { return createdAt; }
+    public void setCreatedAt(String createdAt) { this.createdAt = createdAt; }
+
     public String getUpdatedAt() { return updatedAt; }
+    public void setUpdatedAt(String updatedAt) { this.updatedAt = updatedAt; }
 }

app/src/main/java/com/example/petstoremobile/dtos/ServiceDTO.java

@@ -10,10 +10,23 @@ public class ServiceDTO {
     private String updatedAt;
 
     public Long getServiceId() { return serviceId; }
+    public void setServiceId(Long serviceId) { this.serviceId = serviceId; }
+
     public String getServiceName() { return serviceName; }
+    public void setServiceName(String serviceName) { this.serviceName = serviceName; }
+
     public String getServiceDesc() { return serviceDesc; }
+    public void setServiceDesc(String serviceDesc) { this.serviceDesc = serviceDesc; }
+
     public Integer getServiceDuration() { return serviceDuration; }
+    public void setServiceDuration(Integer serviceDuration) { this.serviceDuration = serviceDuration; }
+
     public Double getServicePrice() { return servicePrice; }
+    public void setServicePrice(Double servicePrice) { this.servicePrice = servicePrice; }
+
     public String getCreatedAt() { return createdAt; }
+    public void setCreatedAt(String createdAt) { this.createdAt = createdAt; }
+
     public String getUpdatedAt() { return updatedAt; }
+    public void setUpdatedAt(String updatedAt) { this.updatedAt = updatedAt; }
 }

app/src/main/java/com/example/petstoremobile/dtos/SupplierDTO.java

@@ -11,11 +11,26 @@ public class SupplierDTO {
     private String updatedAt;
 
     public Long getSupId() { return supId; }
+    public void setSupId(Long supId) { this.supId = supId; }
+
     public String getSupCompany() { return supCompany; }
+    public void setSupCompany(String supCompany) { this.supCompany = supCompany; }
+
     public String getSupContactFirstName() { return supContactFirstName; }
+    public void setSupContactFirstName(String supContactFirstName) { this.supContactFirstName = supContactFirstName; }
+
     public String getSupContactLastName() { return supContactLastName; }
+    public void setSupContactLastName(String supContactLastName) { this.supContactLastName = supContactLastName; }
+
     public String getSupEmail() { return supEmail; }
+    public void setSupEmail(String supEmail) { this.supEmail = supEmail; }
+
     public String getSupPhone() { return supPhone; }
+    public void setSupPhone(String supPhone) { this.supPhone = supPhone; }
+
     public String getCreatedAt() { return createdAt; }
+    public void setCreatedAt(String createdAt) { this.createdAt = createdAt; }
+
     public String getUpdatedAt() { return updatedAt; }
+    public void setUpdatedAt(String updatedAt) { this.updatedAt = updatedAt; }
 }

app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/PetDetailFragment.java

@@ -4,9 +4,11 @@ import android.os.Bundle;
 
 import androidx.annotation.NonNull;
 import androidx.annotation.Nullable;
+import androidx.appcompat.app.AlertDialog;
 import androidx.core.content.ContextCompat;
 import androidx.fragment.app.Fragment;
 
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -18,9 +20,16 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import com.example.petstoremobile.R;
+import com.example.petstoremobile.api.PetApi;
+import com.example.petstoremobile.api.RetrofitClient;
+import com.example.petstoremobile.dtos.PetDTO;
 import com.example.petstoremobile.fragments.ListFragment;
 import com.example.petstoremobile.fragments.listfragments.PetFragment;
 
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
 public class PetDetailFragment extends Fragment {
 
     private TextView tvMode, tvPetId;
@@ -47,34 +56,124 @@ public class PetDetailFragment extends Fragment {
         handleArguments();
 
         //set button click listeners
-        btnBack.setOnClickListener(v -> {
+        btnBack.setOnClickListener(v -> navigateBack());
-            //get the list fragment and pop the back stack to return to the previous view (PetFragment)
-            ListFragment listFragment = (ListFragment) getParentFragment();
-            if (listFragment != null) {
-                listFragment.getChildFragmentManager().popBackStack();
-            }
-        });
-        //set save and delete button to run the appropriate method
         btnSavePet.setOnClickListener(v -> savePet());
         btnDeletePet.setOnClickListener(v -> deletePet());
 
         return view;
     }
 
-    //TODO: Method to Update or Add a pet
+    //Method to Update or Add a pet
     private void savePet() {
+        //get all the values from the fields
+        String name = etPetName.getText().toString().trim();
+        String species = etPetSpecies.getText().toString().trim();
+        String breed = etPetBreed.getText().toString().trim();
+        String ageStr = etPetAge.getText().toString().trim();
+        String priceStr = etPetPrice.getText().toString().trim();
+        String status = spinnerPetStatus.getSelectedItem().toString();
+
+        //check if all the fields are filled
+        if (name.isEmpty() || species.isEmpty() || breed.isEmpty() || ageStr.isEmpty() || priceStr.isEmpty()) {
+            Toast.makeText(getContext(), "Please fill in all fields", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        //create a pet object to send to the API
+        PetDTO petDTO = new PetDTO();
+        petDTO.setPetName(name);
+        petDTO.setPetSpecies(species);
+        petDTO.setPetBreed(breed);
+        petDTO.setPetAge(Integer.parseInt(ageStr));
+        petDTO.setPetPrice(priceStr);
+        petDTO.setPetStatus(status);
+
+        PetApi petApi = RetrofitClient.getPetApi(requireContext());
+
+        //check if the pet is being edited or added
         if (isEditing) {
-            // TODO: Update pet
+            // Update existing pet
-            Toast.makeText(getContext(), "Save functionality not yet implemented with DB", Toast.LENGTH_SHORT).show();
+            petDTO.setPetId((long) petId);
+            petApi.updatePet((long) petId, petDTO).enqueue(new Callback<PetDTO>() {
+                @Override
+                public void onResponse(Call<PetDTO> call, Response<PetDTO> response) {
+                    if (response.isSuccessful()) {
+                        Toast.makeText(getContext(), "Pet updated successfully!", Toast.LENGTH_SHORT).show();
+                        navigateBack();
+                    } else {
+                        Toast.makeText(getContext(), "Failed to update pet: " + response.code(), Toast.LENGTH_SHORT).show();
+                    }
+                }
+
+                @Override
+                public void onFailure(Call<PetDTO> call, Throwable t) {
+                    Log.e("PetDetailFragment", "Error updating pet", t);
+                    Toast.makeText(getContext(), "Error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                }
+            });
         } else {
-            // TODO: Add new pet
+            // Add new pet
-            Toast.makeText(getContext(), "Save functionality not yet implemented with DB", Toast.LENGTH_SHORT).show();
+            petApi.createPet(petDTO).enqueue(new Callback<PetDTO>() {
+                @Override
+                public void onResponse(Call<PetDTO> call, Response<PetDTO> response) {
+                    if (response.isSuccessful()) {
+                        Toast.makeText(getContext(), "Pet added successfully!", Toast.LENGTH_SHORT).show();
+                        navigateBack();
+                    } else {
+                        Toast.makeText(getContext(), "Failed to add pet: " + response.code(), Toast.LENGTH_SHORT).show();
+                    }
+                }
+
+                @Override
+                public void onFailure(Call<PetDTO> call, Throwable t) {
+                    Log.e("PetDetailFragment", "Error adding pet", t);
+                    Toast.makeText(getContext(), "Error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                }
+            });
         }
     }
 
-    //TODO: Method to Delete a pet
+    //Method to Delete a pet
     private void deletePet() {
-        Toast.makeText(getContext(), "Delete functionality not yet implemented with DB", Toast.LENGTH_SHORT).show();
+        //Alert the user to confirm the delete
+        new AlertDialog.Builder(requireContext())
+                .setTitle("Delete Pet")
+                .setMessage("Are you sure you want to delete " + etPetName.getText().toString() + "?")
+                .setPositiveButton("Delete", (dialog, which) -> {
+                    PetApi petApi = RetrofitClient.getPetApi(requireContext());
+                    //if they say yes then delete the pet
+                    petApi.deletePet((long) petId).enqueue(new Callback<Void>() {
+                        @Override
+                        public void onResponse(Call<Void> call, Response<Void> response) {
+                            if (response.isSuccessful()) {
+                                Toast.makeText(getContext(), "Pet deleted successfully!", Toast.LENGTH_SHORT).show();
+                                navigateBack();
+                            } else {
+                                Toast.makeText(getContext(), "Failed to delete pet: " + response.code(), Toast.LENGTH_SHORT).show();
+                            }
+                        }
+
+                        @Override
+                        public void onFailure(Call<Void> call, Throwable t) {
+                            Log.e("PetDetailFragment", "Error deleting pet", t);
+                            Toast.makeText(getContext(), "Error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                        }
+                    });
+                })
+                .setNegativeButton("Cancel", null)
+                .show();
+    }
+
+    //Helper method to navigate back to the list
+    private void navigateBack() {
+        ListFragment listFragment = (ListFragment) getParentFragment();
+        if (listFragment != null) {
+            // If editing pop back twice to get back to PetDetail Fragment instead of PetProfileFragment
+            if (isEditing) {
+                listFragment.getChildFragmentManager().popBackStack();
+            }
+            listFragment.getChildFragmentManager().popBackStack();
+        }
     }
 
     //helper function to check if pet is being edited or added and show the view accordingly

app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/ServiceDetailFragment.java

@@ -2,8 +2,10 @@ package com.example.petstoremobile.fragments.listfragments.detailfragments;
 
 import android.os.Bundle;
 
+import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -13,9 +15,16 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import com.example.petstoremobile.R;
+import com.example.petstoremobile.api.RetrofitClient;
+import com.example.petstoremobile.api.ServiceApi;
+import com.example.petstoremobile.dtos.ServiceDTO;
 import com.example.petstoremobile.fragments.ListFragment;
 import com.example.petstoremobile.fragments.listfragments.ServiceFragment;
 
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
 public class ServiceDetailFragment extends Fragment {
 
     private TextView tvMode, tvServiceId;
@@ -40,33 +49,115 @@ public class ServiceDetailFragment extends Fragment {
         handleArguments();
 
         //set button click listeners
-        btnBack.setOnClickListener(v -> {
+        btnBack.setOnClickListener(v -> navigateBack());
-            //get the list fragment and pop the back stack to return to the previous view (ServiceFragment)
-            ListFragment listFragment = (ListFragment) getParentFragment();
-            if (listFragment != null) {
-                listFragment.getChildFragmentManager().popBackStack();
-            }
-        });
         btnSaveService.setOnClickListener(v -> saveService());
         btnDeleteService.setOnClickListener(v -> deleteService());
 
         return view;
     }
 
-    //TODO: Method to Update or Add a service
+    //Method to Update or Add a service
     private void saveService() {
+        //get all the values from the fields
+        String name = etServiceName.getText().toString().trim();
+        String desc = etServiceDesc.getText().toString().trim();
+        String durationStr = etServiceDuration.getText().toString().trim();
+        String priceStr = etServicePrice.getText().toString().trim();
+
+        //check if all the fields are filled (desc is optional)
+        if (name.isEmpty() || durationStr.isEmpty() || priceStr.isEmpty()) {
+            Toast.makeText(getContext(), "Please fill in all fields", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        //create a service object to send to the API
+        ServiceDTO serviceDTO = new ServiceDTO();
+        serviceDTO.setServiceName(name);
+        serviceDTO.setServiceDesc(desc);
+        serviceDTO.setServiceDuration(Integer.parseInt(durationStr));
+        serviceDTO.setServicePrice(Double.parseDouble(priceStr));
+
+        ServiceApi serviceApi = RetrofitClient.getServiceApi(requireContext());
+
+        //check if the service is being edited or added
         if (isEditing) {
-            // TODO: Update service
+            // Update existing service
-            Toast.makeText(getContext(), "Save functionality not yet implemented with DB", Toast.LENGTH_SHORT).show();
+            serviceDTO.setServiceId((long) serviceId);
+            serviceApi.updateService((long) serviceId, serviceDTO).enqueue(new Callback<ServiceDTO>() {
+                @Override
+                public void onResponse(Call<ServiceDTO> call, Response<ServiceDTO> response) {
+                    if (response.isSuccessful()) {
+                        Toast.makeText(getContext(), "Service updated successfully!", Toast.LENGTH_SHORT).show();
+                        navigateBack();
+                    } else {
+                        Toast.makeText(getContext(), "Failed to update service: " + response.code(), Toast.LENGTH_SHORT).show();
+                    }
+                }
+
+                @Override
+                public void onFailure(Call<ServiceDTO> call, Throwable t) {
+                    Log.e("ServiceDetailFragment", "Error updating service", t);
+                    Toast.makeText(getContext(), "Error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                }
+            });
         } else {
-            // TODO: Add new service
+            // Add new service
-            Toast.makeText(getContext(), "Save functionality not yet implemented with DB", Toast.LENGTH_SHORT).show();
+            serviceApi.createService(serviceDTO).enqueue(new Callback<ServiceDTO>() {
+                @Override
+                public void onResponse(Call<ServiceDTO> call, Response<ServiceDTO> response) {
+                    if (response.isSuccessful()) {
+                        Toast.makeText(getContext(), "Service added successfully!", Toast.LENGTH_SHORT).show();
+                        navigateBack();
+                    } else {
+                        Toast.makeText(getContext(), "Failed to add service: " + response.code(), Toast.LENGTH_SHORT).show();
+                    }
+                }
+
+                @Override
+                public void onFailure(Call<ServiceDTO> call, Throwable t) {
+                    Log.e("ServiceDetailFragment", "Error adding service", t);
+                    Toast.makeText(getContext(), "Error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                }
+            });
         }
     }
 
-    //TODO: Method to Delete a service
+    //Method to Delete a service
     private void deleteService() {
-        Toast.makeText(getContext(), "Delete functionality not yet implemented with DB", Toast.LENGTH_SHORT).show();
+        //Alert the user to confirm the delete
+        new AlertDialog.Builder(requireContext())
+                .setTitle("Delete Service")
+                .setMessage("Are you sure you want to delete " + etServiceName.getText().toString() + "?")
+                .setPositiveButton("Delete", (dialog, which) -> {
+                    ServiceApi serviceApi = RetrofitClient.getServiceApi(requireContext());
+                    serviceApi.deleteService((long) serviceId).enqueue(new Callback<Void>() {
+                        @Override
+                        public void onResponse(Call<Void> call, Response<Void> response) {
+                            if (response.isSuccessful()) {
+                                Toast.makeText(getContext(), "Service deleted successfully!", Toast.LENGTH_SHORT).show();
+                                navigateBack();
+                            } else {
+                                Toast.makeText(getContext(), "Failed to delete service: " + response.code(), Toast.LENGTH_SHORT).show();
+                            }
+                        }
+
+                        @Override
+                        public void onFailure(Call<Void> call, Throwable t) {
+                            Log.e("ServiceDetailFragment", "Error deleting service", t);
+                            Toast.makeText(getContext(), "Error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                        }
+                    });
+                })
+                .setNegativeButton("Cancel", null)
+                .show();
+    }
+
+    //Helper method to navigate back to the list
+    private void navigateBack() {
+        ListFragment listFragment = (ListFragment) getParentFragment();
+        if (listFragment != null) {
+            listFragment.getChildFragmentManager().popBackStack();
+        }
     }
 
     //helper function to check if service is being edited or added and show the view accordingly
@@ -106,4 +197,4 @@ public class ServiceDetailFragment extends Fragment {
         btnDeleteService = view.findViewById(R.id.btnDeleteService);
         btnBack = view.findViewById(R.id.btnBack);
     }
-}
+}

app/src/main/java/com/example/petstoremobile/fragments/listfragments/detailfragments/SupplierDetailFragment.java

@@ -2,8 +2,10 @@ package com.example.petstoremobile.fragments.listfragments.detailfragments;
 
 import android.os.Bundle;
 
+import androidx.appcompat.app.AlertDialog;
 import androidx.fragment.app.Fragment;
 
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -13,9 +15,16 @@ import android.widget.TextView;
 import android.widget.Toast;
 
 import com.example.petstoremobile.R;
+import com.example.petstoremobile.api.RetrofitClient;
+import com.example.petstoremobile.api.SupplierApi;
+import com.example.petstoremobile.dtos.SupplierDTO;
 import com.example.petstoremobile.fragments.ListFragment;
 import com.example.petstoremobile.fragments.listfragments.SupplierFragment;
 
+import retrofit2.Call;
+import retrofit2.Callback;
+import retrofit2.Response;
+
 public class SupplierDetailFragment extends Fragment {
 
     private TextView tvMode, tvSupId;
@@ -40,33 +49,117 @@ public class SupplierDetailFragment extends Fragment {
         handleArguments();
 
         //set button click listeners
-        btnBack.setOnClickListener(v -> {
+        btnBack.setOnClickListener(v -> navigateBack());
-            //get the list fragment and pop the back stack to return to the previous view (SupplierFragment)
-            ListFragment listFragment = (ListFragment) getParentFragment();
-            if (listFragment != null) {
-                listFragment.getChildFragmentManager().popBackStack();
-            }
-        });
         btnSaveSupplier.setOnClickListener(v -> saveSupplier());
         btnDeleteSupplier.setOnClickListener(v -> deleteSupplier());
 
         return view;
     }
 
-    //TODO: Method to Update or Add a supplier
+    //Method to Update or Add a supplier
     private void saveSupplier() {
+        //get all the values from the fields
+        String company = etSupCompany.getText().toString().trim();
+        String firstName = etSupContactFirstName.getText().toString().trim();
+        String lastName = etSupContactLastName.getText().toString().trim();
+        String email = etSupEmail.getText().toString().trim();
+        String phone = etSupPhone.getText().toString().trim();
+
+        //check if all the fields are filled
+        if (company.isEmpty() || firstName.isEmpty() || lastName.isEmpty() || email.isEmpty() || phone.isEmpty()) {
+            Toast.makeText(getContext(), "Please fill in all fields", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        //create a supplier object to send to the API
+        SupplierDTO supplierDTO = new SupplierDTO();
+        supplierDTO.setSupCompany(company);
+        supplierDTO.setSupContactFirstName(firstName);
+        supplierDTO.setSupContactLastName(lastName);
+        supplierDTO.setSupEmail(email);
+        supplierDTO.setSupPhone(phone);
+
+        SupplierApi supplierApi = RetrofitClient.getSupplierApi(requireContext());
+
+        //check if the supplier is being edited or added
         if (isEditing) {
-            // TODO: Update supplier
+            // Update existing supplier
-            Toast.makeText(getContext(), "Save functionality not yet implemented with DB", Toast.LENGTH_SHORT).show();
+            supplierDTO.setSupId((long) supId);
+            supplierApi.updateSupplier((long) supId, supplierDTO).enqueue(new Callback<SupplierDTO>() {
+                @Override
+                public void onResponse(Call<SupplierDTO> call, Response<SupplierDTO> response) {
+                    if (response.isSuccessful()) {
+                        Toast.makeText(getContext(), "Supplier updated successfully!", Toast.LENGTH_SHORT).show();
+                        navigateBack();
+                    } else {
+                        Toast.makeText(getContext(), "Failed to update supplier: " + response.code(), Toast.LENGTH_SHORT).show();
+                    }
+                }
+
+                @Override
+                public void onFailure(Call<SupplierDTO> call, Throwable t) {
+                    Log.e("SupplierDetailFragment", "Error updating supplier", t);
+                    Toast.makeText(getContext(), "Error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                }
+            });
         } else {
-            // TODO: Add new supplier
+            // Add new supplier
-            Toast.makeText(getContext(), "Save functionality not yet implemented with DB", Toast.LENGTH_SHORT).show();
+            supplierApi.createSupplier(supplierDTO).enqueue(new Callback<SupplierDTO>() {
+                @Override
+                public void onResponse(Call<SupplierDTO> call, Response<SupplierDTO> response) {
+                    if (response.isSuccessful()) {
+                        Toast.makeText(getContext(), "Supplier added successfully!", Toast.LENGTH_SHORT).show();
+                        navigateBack();
+                    } else {
+                        Toast.makeText(getContext(), "Failed to add supplier: " + response.code(), Toast.LENGTH_SHORT).show();
+                    }
+                }
+
+                @Override
+                public void onFailure(Call<SupplierDTO> call, Throwable t) {
+                    Log.e("SupplierDetailFragment", "Error adding supplier", t);
+                    Toast.makeText(getContext(), "Error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                }
+            });
         }
     }
 
-    //TODO: Method to Delete a supplier
+    //Method to Delete a supplier
     private void deleteSupplier() {
-        Toast.makeText(getContext(), "Delete functionality not yet implemented with DB", Toast.LENGTH_SHORT).show();
+        //Alert the user to confirm the delete
+        new AlertDialog.Builder(requireContext())
+                .setTitle("Delete Supplier")
+                .setMessage("Are you sure you want to delete " + etSupCompany.getText().toString() + "?")
+                .setPositiveButton("Delete", (dialog, which) -> {
+                    SupplierApi supplierApi = RetrofitClient.getSupplierApi(requireContext());
+                    supplierApi.deleteSupplier((long) supId).enqueue(new Callback<Void>() {
+                        @Override
+                        public void onResponse(Call<Void> call, Response<Void> response) {
+                            if (response.isSuccessful()) {
+                                Toast.makeText(getContext(), "Supplier deleted successfully!", Toast.LENGTH_SHORT).show();
+                                navigateBack();
+                            } else {
+                                Toast.makeText(getContext(), "Failed to delete supplier: " + response.code(), Toast.LENGTH_SHORT).show();
+                            }
+                        }
+
+                        @Override
+                        public void onFailure(Call<Void> call, Throwable t) {
+                            Log.e("SupplierDetailFragment", "Error deleting supplier", t);
+                            Toast.makeText(getContext(), "Error: " + t.getMessage(), Toast.LENGTH_SHORT).show();
+                        }
+                    });
+                })
+                .setNegativeButton("Cancel", null)
+                .show();
+    }
+
+    //Helper method to navigate back to the list
+    private void navigateBack() {
+        ListFragment listFragment = (ListFragment) getParentFragment();
+        if (listFragment != null) {
+            listFragment.getChildFragmentManager().popBackStack();
+        }
     }
 
     //helper function to check if supplier is being edited or added and show the view accordingly
@@ -108,4 +201,4 @@ public class SupplierDetailFragment extends Fragment {
         btnDeleteSupplier = view.findViewById(R.id.btnDeleteSupplier);
         btnBack = view.findViewById(R.id.btnBack);
     }
-}
+}