fixed creating adoption for the backend and implemented adoption to andriod for changes

android/app/src/main/java/com/example/petstoremobile/adapters/AdoptionAdapter.java

@@ -57,7 +57,7 @@ public class AdoptionAdapter extends RecyclerView.Adapter<AdoptionAdapter.Adopti
         holder.tvStatus.setText(status);
 
         switch (status) {
-            case "Approved":
+            case "Completed":
                 holder.tvStatus.setBackgroundColor(Color.parseColor("#4CAF50"));
                 break;
             case "Pending":

android/app/src/main/java/com/example/petstoremobile/dtos/AdoptionDTO.java

@@ -10,20 +10,27 @@ public class AdoptionDTO {
     private String customerName;
     private Long employeeId;
     private String employeeName;
+    private Long sourceStoreId;
+    private String sourceStoreName;
     private String adoptionDate;
     private String adoptionStatus;
     private BigDecimal adoptionFee;
     private String createdAt;
     private String updatedAt;
 
-    public AdoptionDTO(Long petId, Long customerId, String adoptionDate, String adoptionStatus) {
+    public AdoptionDTO(Long petId, Long customerId, Long sourceStoreId, String adoptionDate, String adoptionStatus) {
-        this(petId, customerId, null, adoptionDate, adoptionStatus);
+        this.petId = petId;
+        this.customerId = customerId;
+        this.sourceStoreId = sourceStoreId;
+        this.adoptionDate = adoptionDate;
+        this.adoptionStatus = adoptionStatus;
     }
 
-    public AdoptionDTO(Long petId, Long customerId, Long employeeId, String adoptionDate, String adoptionStatus) {
+    public AdoptionDTO(Long petId, Long customerId, Long employeeId, Long sourceStoreId, String adoptionDate, String adoptionStatus) {
         this.petId = petId;
         this.customerId = customerId;
         this.employeeId = employeeId;
+        this.sourceStoreId = sourceStoreId;
         this.adoptionDate = adoptionDate;
         this.adoptionStatus = adoptionStatus;
     }
@@ -56,6 +63,14 @@ public class AdoptionDTO {
         return employeeName;
     }
 
+    public Long getSourceStoreId() {
+        return sourceStoreId;
+    }
+
+    public String getSourceStoreName() {
+        return sourceStoreName;
+    }
+
     public String getAdoptionDate() {
         return adoptionDate;
     }

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

@@ -18,6 +18,7 @@ import com.example.petstoremobile.utils.SpinnerUtils;
 import com.example.petstoremobile.viewmodels.AdoptionViewModel;
 import com.example.petstoremobile.viewmodels.CustomerViewModel;
 import com.example.petstoremobile.viewmodels.PetViewModel;
+import com.example.petstoremobile.viewmodels.StoreViewModel;
 
 import java.util.*;
 
@@ -35,15 +36,18 @@ public class AdoptionDetailFragment extends Fragment {
     private boolean isEditing = false;
     private long preselectedPetId = -1;
     private long preselectedCustomerId = -1;
+    private long preselectedStoreId = -1;
 
     private List<PetDTO> petList = new ArrayList<>();
     private List<CustomerDTO> customerList = new ArrayList<>();
+    private List<StoreDTO> storeList = new ArrayList<>();
 
-    private final String[] STATUSES = {"Pending", "Approved", "Rejected"};
+    private final String[] STATUSES = {"Pending", "Completed", "Cancelled"};
 
     private AdoptionViewModel adoptionViewModel;
     private PetViewModel petViewModel;
     private CustomerViewModel customerViewModel;
+    private StoreViewModel storeViewModel;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -51,6 +55,7 @@ public class AdoptionDetailFragment extends Fragment {
         adoptionViewModel = new ViewModelProvider(this).get(AdoptionViewModel.class);
         petViewModel = new ViewModelProvider(this).get(PetViewModel.class);
         customerViewModel = new ViewModelProvider(this).get(CustomerViewModel.class);
+        storeViewModel = new ViewModelProvider(this).get(StoreViewModel.class);
     }
 
     @Override
@@ -107,6 +112,7 @@ public class AdoptionDetailFragment extends Fragment {
     private void loadSpinnersData() {
         loadPets();
         loadCustomers();
+        loadStores();
     }
 
     /**
@@ -152,6 +158,27 @@ public class AdoptionDetailFragment extends Fragment {
                 preselectedCustomerId, CustomerDTO::getCustomerId);
     }
 
+    /**
+     * Loads the list of stores from the API.
+     */
+    private void loadStores() {
+        storeViewModel.getAllStores(0, 200).observe(getViewLifecycleOwner(), resource -> {
+            if (resource.status == Resource.Status.SUCCESS && resource.data != null) {
+                storeList = resource.data.getContent();
+                refreshStoreSpinner();
+            }
+        });
+    }
+
+    /**
+     * Populates the store selection spinner with data.
+     */
+    private void refreshStoreSpinner() {
+        SpinnerUtils.populateSpinner(requireContext(), binding.spinnerAdoptionStore, storeList,
+                StoreDTO::getStoreName, "-- Select Store --",
+                preselectedStoreId, StoreDTO::getStoreId);
+    }
+
     /**
      * Handles arguments to determine if the fragment is in edit or add mode.
      */
@@ -182,11 +209,13 @@ public class AdoptionDetailFragment extends Fragment {
                 AdoptionDTO a = resource.data;
                 preselectedPetId = a.getPetId() != null ? a.getPetId() : -1;
                 preselectedCustomerId = a.getCustomerId() != null ? a.getCustomerId() : -1;
+                preselectedStoreId = a.getSourceStoreId() != null ? a.getSourceStoreId() : -1;
                 binding.etAdoptionDate.setText(a.getAdoptionDate());
                 SpinnerUtils.setSelectionByValue(binding.spinnerAdoptionStatus, a.getAdoptionStatus());
                 
                 refreshPetSpinner();
                 refreshCustomerSpinner();
+                refreshStoreSpinner();
             } else if (resource.status == Resource.Status.ERROR) {
                 Toast.makeText(getContext(), "Failed to load adoption: " + resource.message, Toast.LENGTH_SHORT).show();
             }
@@ -203,6 +232,9 @@ public class AdoptionDetailFragment extends Fragment {
         if (binding.spinnerAdoptionPet.getSelectedItemPosition() == 0) {
             Toast.makeText(getContext(), "Select a pet", Toast.LENGTH_SHORT).show(); return;
         }
+        if (binding.spinnerAdoptionStore.getSelectedItemPosition() == 0) {
+            Toast.makeText(getContext(), "Select a store", Toast.LENGTH_SHORT).show(); return;
+        }
         String date = binding.etAdoptionDate.getText().toString().trim();
         if (date.isEmpty()) {
             Toast.makeText(getContext(), "Select a date", Toast.LENGTH_SHORT).show(); return;
@@ -210,11 +242,13 @@ public class AdoptionDetailFragment extends Fragment {
 
         CustomerDTO customer = customerList.get(binding.spinnerAdoptionCustomer.getSelectedItemPosition() - 1);
         PetDTO pet           = petList.get(binding.spinnerAdoptionPet.getSelectedItemPosition() - 1);
+        StoreDTO store       = storeList.get(binding.spinnerAdoptionStore.getSelectedItemPosition() - 1);
         String status        = STATUSES[binding.spinnerAdoptionStatus.getSelectedItemPosition()];
 
         AdoptionDTO dto = new AdoptionDTO(
                 pet.getPetId(),
                 customer.getCustomerId(),
+                store.getStoreId(),
                 date,
                 status
         );

android/app/src/main/res/layout/fragment_adoption_detail.xml

@@ -95,6 +95,20 @@
                     android:layout_height="wrap_content"
                     android:layout_marginBottom="16dp"/>
 
+                <TextView
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="Source Store"
+                    android:textColor="@color/text_dark"
+                    android:textSize="12sp"
+                    android:layout_marginBottom="4dp"/>
+
+                <Spinner
+                    android:id="@+id/spinnerAdoptionStore"
+                    android:layout_width="match_parent"
+                    android:layout_height="wrap_content"
+                    android:layout_marginBottom="16dp"/>
+
                 <!-- Adoption Date -->
                 <TextView
                     android:layout_width="wrap_content"
@@ -165,4 +179,4 @@
 
     </LinearLayout>
 
-</LinearLayout>
+</LinearLayout>

backend/src/main/java/com/petshop/backend/controller/AdoptionController.java

@@ -33,6 +33,8 @@ public class AdoptionController {
     @PreAuthorize("hasAnyRole('CUSTOMER', 'STAFF', 'ADMIN')")
     public ResponseEntity<Page<AdoptionResponse>> getAllAdoptions(
             @RequestParam(required = false) String q,
+            @RequestParam(required = false) Long customerId,
+            @RequestParam(required = false) String status,
             Pageable pageable) {
         Authentication authentication = SecurityContextHolder.getContext().getAuthentication();
         String role = authentication.getAuthorities().stream()
@@ -40,13 +42,13 @@ public class AdoptionController {
                 .map(authority -> authority.getAuthority().replace("ROLE_", ""))
                 .orElse(null);
 
-        Long customerId = null;
+        Long effectiveCustomerId = customerId;
         if (role != null && role.equals("CUSTOMER")) {
             User user = AuthenticationHelper.getAuthenticatedUser(userRepository);
-            customerId = user.getId();
+            effectiveCustomerId = user.getId();
         }
 
-        return ResponseEntity.ok(adoptionService.getAllAdoptions(q, pageable, customerId));
+        return ResponseEntity.ok(adoptionService.getAllAdoptions(q, effectiveCustomerId, status, pageable));
     }
 
     @GetMapping("/{id}")

backend/src/main/java/com/petshop/backend/repository/AdoptionRepository.java

@@ -14,22 +14,24 @@ import java.util.Optional;
 public interface AdoptionRepository extends JpaRepository<Adoption, Long> {
 
     @Query("SELECT a FROM Adoption a WHERE " +
+           "(:q IS NULL OR (" +
            "LOWER(a.customer.firstName) LIKE LOWER(CONCAT('%', :q, '%')) OR " +
            "LOWER(a.customer.lastName) LIKE LOWER(CONCAT('%', :q, '%')) OR " +
-           "LOWER(a.pet.petName) LIKE LOWER(CONCAT('%', :q, '%'))")
+           "LOWER(a.pet.petName) LIKE LOWER(CONCAT('%', :q, '%'))" +
-    Page<Adoption> searchAdoptions(@Param("q") String query, Pageable pageable);
+           ")) AND " +
-
+           "(:customerId IS NULL OR a.customer.id = :customerId) AND " +
-    Page<Adoption> findByCustomerId(Long customerId, Pageable pageable);
+           "(:status IS NULL OR LOWER(a.adoptionStatus) = LOWER(:status))")
-
+    Page<Adoption> searchAdoptions(
-    @Query("SELECT a FROM Adoption a WHERE a.customer.id = :customerId AND (" +
+            @Param("q") String query,
-           "LOWER(a.customer.firstName) LIKE LOWER(CONCAT('%', :q, '%')) OR " +
+            @Param("customerId") Long customerId,
-           "LOWER(a.customer.lastName) LIKE LOWER(CONCAT('%', :q, '%')) OR " +
+            @Param("status") String status,
-           "LOWER(a.pet.petName) LIKE LOWER(CONCAT('%', :q, '%')))")
+            Pageable pageable);
-    Page<Adoption> searchAdoptionsByCustomer(@Param("customerId") Long customerId, @Param("q") String query, Pageable pageable);
 
     Optional<Adoption> findFirstByPet_IdAndAdoptionStatusOrderByAdoptionDateDesc(Long petId, String adoptionStatus);
 
-    boolean existsByPetPetIdAndAdoptionStatusIgnoreCaseAndAdoptionIdNot(Long petId, String adoptionStatus, Long adoptionId);
+    @Query("SELECT CASE WHEN COUNT(a) > 0 THEN true ELSE false END FROM Adoption a WHERE a.pet.id = :petId AND LOWER(a.adoptionStatus) = LOWER(:adoptionStatus) AND a.adoptionId <> :adoptionId")
+    boolean existsByPetPetIdAndAdoptionStatusIgnoreCaseAndAdoptionIdNot(@Param("petId") Long petId, @Param("adoptionStatus") String adoptionStatus, @Param("adoptionId") Long adoptionId);
 
-    boolean existsByPetPetIdAndAdoptionStatusIgnoreCase(Long petId, String adoptionStatus);
+    @Query("SELECT CASE WHEN COUNT(a) > 0 THEN true ELSE false END FROM Adoption a WHERE a.pet.id = :petId AND LOWER(a.adoptionStatus) = LOWER(:adoptionStatus)")
+    boolean existsByPetPetIdAndAdoptionStatusIgnoreCase(@Param("petId") Long petId, @Param("adoptionStatus") String adoptionStatus);
 }

backend/src/main/java/com/petshop/backend/service/AdoptionService.java

@@ -38,22 +38,16 @@ public class AdoptionService {
         this.storeRepository = storeRepository;
     }
 
-    public Page<AdoptionResponse> getAllAdoptions(String query, Pageable pageable, Long customerId) {
+    public Page<AdoptionResponse> getAllAdoptions(String query, Long customerId, String status, Pageable pageable) {
-        Page<Adoption> adoptions;
+        String normalizedQuery = normalizeFilter(query);
+        String normalizedStatus = normalizeFilter(status);
 
-        if (customerId != null) {
+        Page<Adoption> adoptions = adoptionRepository.searchAdoptions(
-            if (query != null && !query.trim().isEmpty()) {
+                normalizedQuery,
-                adoptions = adoptionRepository.searchAdoptionsByCustomer(customerId, query, pageable);
+                customerId,
-            } else {
+                normalizedStatus,
-                adoptions = adoptionRepository.findByCustomerId(customerId, pageable);
+                pageable
-            }
+        );
-        } else {
-            if (query != null && !query.trim().isEmpty()) {
-                adoptions = adoptionRepository.searchAdoptions(query, pageable);
-            } else {
-                adoptions = adoptionRepository.findAll(pageable);
-            }
-        }
 
         return adoptions.map(this::mapToResponse);
     }
@@ -140,6 +134,14 @@ public class AdoptionService {
         adoptionRepository.deleteAllById(request.getIds());
     }
 
+    private String normalizeFilter(String value) {
+        if (value == null) {
+            return null;
+        }
+        String trimmed = value.trim();
+        return trimmed.isEmpty() ? null : trimmed;
+    }
+
     private AdoptionResponse mapToResponse(Adoption adoption) {
         StoreLocation sourceStore = adoption.getSourceStore();
         return new AdoptionResponse(