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7 changed files with 374 additions and 9 deletions
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66
backend/src/main/java/com/petshop/backend/service/CustomerService.java
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@@ -4,23 +4,34 @@ import com.petshop.backend.dto.common.BulkDeleteRequest;
import com.petshop.backend.dto.customer.CustomerRequest;
import com.petshop.backend.dto.customer.CustomerResponse;
import com.petshop.backend.entity.Customer;
import com.petshop.backend.entity.User;
import com.petshop.backend.exception.ResourceNotFoundException;
import com.petshop.backend.repository.CustomerRepository;
import com.petshop.backend.repository.UserRepository;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.web.server.ResponseStatusException;
import static org.springframework.http.HttpStatus.CONFLICT;
@Service
public class CustomerService {
private static final String TEMP_PASSWORD = "TempPass123!";
private final CustomerRepository customerRepository;
private final UserRepository userRepository;
private final PasswordEncoder passwordEncoder;
private final UserBusinessLinkageService userBusinessLinkageService;
public CustomerService(CustomerRepository customerRepository, UserRepository userRepository) {
public CustomerService(CustomerRepository customerRepository, UserRepository userRepository, PasswordEncoder passwordEncoder, UserBusinessLinkageService userBusinessLinkageService) {
this.customerRepository = customerRepository;
this.userRepository = userRepository;
this.passwordEncoder = passwordEncoder;
this.userBusinessLinkageService = userBusinessLinkageService;
}
public Page<CustomerResponse> getAllCustomers(String query, Pageable pageable) {
@@ -41,14 +52,19 @@ public class CustomerService {
@Transactional
public CustomerResponse createCustomer(CustomerRequest request) {
ensureEmailAvailable(request.getEmail(), null);
Customer customer = new Customer();
customer.setFirstName(request.getFirstName());
customer.setLastName(request.getLastName());
customer.setEmail(request.getEmail());
customer = customerRepository.save(customer);
syncLinkedUser(customer);
return mapToResponse(customer);
User user = createLinkedUser(customer);
Customer linkedCustomer = userBusinessLinkageService.ensureLinkedCustomer(user);
syncLinkedUser(linkedCustomer);
return mapToResponse(linkedCustomer);
}
@Transactional
@@ -56,6 +72,8 @@ public class CustomerService {
Customer customer = customerRepository.findById(id)
.orElseThrow(() -> new ResourceNotFoundException("Customer not found with id: " + id));
ensureEmailAvailable(request.getEmail(), customer.getUserId());
customer.setFirstName(request.getFirstName());
customer.setLastName(request.getLastName());
customer.setEmail(request.getEmail());
@@ -67,9 +85,14 @@ public class CustomerService {
@Transactional
public void deleteCustomer(Long id) {
if (!customerRepository.existsById(id)) {
throw new ResourceNotFoundException("Customer not found with id: " + id);
Customer customer = customerRepository.findById(id)
.orElseThrow(() -> new ResourceNotFoundException("Customer not found with id: " + id));
if (customer.getUserId() != null && userRepository.existsById(customer.getUserId())) {
userRepository.deleteById(customer.getUserId());
return;
}
customerRepository.deleteById(id);
}
@@ -99,4 +122,37 @@ public class CustomerService {
userRepository.save(user);
});
}
private User createLinkedUser(Customer customer) {
User user = new User();
user.setUsername(generateUsername(customer));
user.setPassword(passwordEncoder.encode(TEMP_PASSWORD));
user.setEmail(customer.getEmail());
user.setFullName((customer.getFirstName() + " " + customer.getLastName()).trim());
user.setPhone(generatePhone(customer));
user.setRole(User.Role.CUSTOMER);
user.setActive(false);
user.setTokenVersion(0);
return userRepository.save(user);
}
private String generateUsername(Customer customer) {
return "customer_" + customer.getCustomerId();
}
private String generatePhone(Customer customer) {
return String.format("200-000-%04d", customer.getCustomerId());
}
private void ensureEmailAvailable(String email, Long currentUserId) {
if (email == null || email.isBlank()) {
return;
}
userRepository.findByEmail(email).ifPresent(existing -> {
if (currentUserId == null || !existing.getId().equals(currentUserId)) {
throw new ResponseStatusException(CONFLICT, "Email already exists");
}
});
}
}

20
backend/src/main/java/com/petshop/backend/service/SaleService.java
View File

@@ -78,7 +78,7 @@ public class SaleService {
sale.setSaleDate(LocalDateTime.now());
sale.setEmployee(employee);
sale.setStore(store);
sale.setPaymentMethod(request.getPaymentMethod());
sale.setPaymentMethod(normalizePaymentMethod(request.getPaymentMethod()));
sale.setIsRefund(request.getIsRefund() != null ? request.getIsRefund() : false);
if (request.getCustomerId() != null) {
@@ -215,4 +215,22 @@ public class SaleService {
return response;
}
String normalizePaymentMethod(String paymentMethod) {
if (paymentMethod == null) {
return null;
}
String normalized = paymentMethod.trim();
if (normalized.equalsIgnoreCase("Debit")) {
return "Card";
}
if (normalized.equalsIgnoreCase("Cash")) {
return "Cash";
}
if (normalized.equalsIgnoreCase("Card")) {
return "Card";
}
return normalized;
}
}

3
backend/src/main/resources/db/migration/V10__remove_debit_payment_method.sql Normal file
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@@ -0,0 +1,3 @@
UPDATE sale
SET paymentMethod = 'Card'
WHERE LOWER(paymentMethod) = 'debit';

6
backend/src/main/resources/db/migration/V2__seed_data.sql
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@@ -128,7 +128,7 @@ VALUES
('2026-01-05 09:15:00', 125.00, 'Card', 1, 1, 1),
('2026-01-08 11:30:00', 200.00, 'Card', 2, 1, 2),
('2026-01-12 14:20:00', 60.00, 'Cash', 3, 2, 3),
('2026-01-15 10:45:00', 150.00, 'Debit', 1, 1, 1),
('2026-01-15 10:45:00', 150.00, 'Card', 1, 1, 1),
('2026-01-18 16:30:00', 80.00, 'Card', 4, 3, 2),
('2026-01-22 13:15:00', 95.00, 'Cash', 2, 2, NULL),
('2026-01-25 15:40:00', 240.00, 'Card', 5, 4, 4),
@@ -136,12 +136,12 @@ VALUES
('2026-02-01 09:00:00', 175.00, 'Card', 3, 3, 1),
('2026-02-03 11:20:00', 120.00, 'Card', 2, 1, 3),
('2026-02-05 14:50:00', 45.00, 'Cash', 4, 2, NULL),
('2026-02-08 16:15:00', 160.00, 'Debit', 1, 1, 2),
('2026-02-08 16:15:00', 160.00, 'Card', 1, 1, 2),
('2026-02-10 10:25:00', 100.00, 'Card', 5, 4, NULL),
('2026-02-12 13:45:00', 50.00, 'Cash', 2, 2, 1),
('2026-02-15 15:30:00', 85.00, 'Card', 3, 3, NULL),
('2026-02-18 11:10:00', 200.00, 'Card', 1, 1, 4),
('2026-02-20 14:35:00', 155.00, 'Debit', 4, 3, NULL),
('2026-02-20 14:35:00', 155.00, 'Card', 4, 3, NULL),
('2026-02-22 16:50:00', 75.00, 'Cash', 2, 1, 2),
('2026-02-24 10:15:00', 140.00, 'Card', 5, 4, NULL),
(NOW(), 95.00, 'Card', 1, 1, 1);

91
backend/src/main/resources/db/migration/V9__backfill_user_accounts.sql Normal file
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@@ -0,0 +1,91 @@
INSERT INTO users (username, password, email, fullName, phone, role, active, tokenVersion)
SELECT
CONCAT('customer_', c.customerId) AS username,
'$2a$10$mE0D/HrnCuqFeEqMy0NJwuy2jkoRYjQ7GrKcc/7QQ0r2AqnZTvyGq' AS password,
CASE
WHEN c.email IS NOT NULL
AND c.email <> ''
AND (SELECT COUNT(*) FROM customer c2 WHERE c2.email = c.email) = 1
AND NOT EXISTS (SELECT 1 FROM employee e2 WHERE e2.email = c.email)
AND NOT EXISTS (SELECT 1 FROM users u WHERE u.email = c.email)
THEN c.email
ELSE CONCAT('customer_', c.customerId, '@petshop.local')
END AS email,
CONCAT(c.firstName, ' ', c.lastName) AS fullName,
CONCAT('200-000-', LPAD(c.customerId, 4, '0')) AS phone,
'CUSTOMER' AS role,
FALSE AS active,
0 AS tokenVersion
FROM customer c
WHERE c.user_id IS NULL
AND NOT EXISTS (
SELECT 1
FROM users u
WHERE u.username = CONCAT('customer_', c.customerId)
);
INSERT INTO users (username, password, email, fullName, phone, role, active, tokenVersion)
SELECT
CONCAT('employee_', e.employeeId) AS username,
'$2a$10$mE0D/HrnCuqFeEqMy0NJwuy2jkoRYjQ7GrKcc/7QQ0r2AqnZTvyGq' AS password,
CASE
WHEN e.email IS NOT NULL
AND e.email <> ''
AND (SELECT COUNT(*) FROM employee e2 WHERE e2.email = e.email) = 1
AND NOT EXISTS (SELECT 1 FROM customer c2 WHERE c2.email = e.email)
AND NOT EXISTS (SELECT 1 FROM users u WHERE u.email = e.email)
THEN e.email
ELSE CONCAT('employee_', e.employeeId, '@petshop.local')
END AS email,
CONCAT(e.firstName, ' ', e.lastName) AS fullName,
CONCAT('300-000-', LPAD(e.employeeId, 4, '0')) AS phone,
CASE
WHEN UPPER(e.role) = 'MANAGER' THEN 'ADMIN'
ELSE 'STAFF'
END AS role,
FALSE AS active,
0 AS tokenVersion
FROM employee e
WHERE e.user_id IS NULL
AND NOT EXISTS (
SELECT 1
FROM users u
WHERE u.username = CONCAT('employee_', e.employeeId)
);
UPDATE customer c
JOIN users u ON u.username = CONCAT('customer_', c.customerId)
AND u.role = 'CUSTOMER'
SET c.user_id = u.id
WHERE c.user_id IS NULL;
UPDATE employee e
JOIN users u ON u.username = CONCAT('employee_', e.employeeId)
AND u.role IN ('STAFF', 'ADMIN')
SET e.user_id = u.id
WHERE e.user_id IS NULL;
UPDATE users
SET
fullName = CASE
WHEN fullName IS NULL OR fullName = '' THEN username
ELSE fullName
END,
email = CASE
WHEN email IS NULL OR email = '' THEN CONCAT(username, '@petshop.local')
ELSE email
END,
phone = CASE
WHEN phone IS NULL OR phone = '' THEN CONCAT('000-000-', LPAD(id, 4, '0'))
ELSE phone
END,
active = COALESCE(active, TRUE),
tokenVersion = COALESCE(tokenVersion, 0)
WHERE fullName IS NULL
OR fullName = ''
OR email IS NULL
OR email = ''
OR phone IS NULL
OR phone = ''
OR active IS NULL
OR tokenVersion IS NULL;

180
backend/src/test/java/com/petshop/backend/service/CustomerServiceTest.java Normal file
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@@ -0,0 +1,180 @@
package com.petshop.backend.service;
import com.petshop.backend.dto.customer.CustomerRequest;
import com.petshop.backend.entity.Customer;
import com.petshop.backend.entity.User;
import com.petshop.backend.repository.CustomerRepository;
import com.petshop.backend.repository.UserRepository;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.ArgumentCaptor;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;
import org.springframework.security.crypto.password.PasswordEncoder;
import org.springframework.web.server.ResponseStatusException;
import java.util.Optional;
import static org.junit.jupiter.api.Assertions.assertEquals;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.mockito.ArgumentMatchers.any;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
@ExtendWith(MockitoExtension.class)
class CustomerServiceTest {
@Mock
private CustomerRepository customerRepository;
@Mock
private UserRepository userRepository;
@Mock
private PasswordEncoder passwordEncoder;
@Mock
private UserBusinessLinkageService userBusinessLinkageService;
@InjectMocks
private CustomerService customerService;
@Test
void createCustomerCreatesLinkedUser() {
CustomerRequest request = new CustomerRequest();
request.setFirstName("Pat");
request.setLastName("Owner");
request.setEmail("pat@example.com");
Customer savedCustomer = new Customer();
savedCustomer.setCustomerId(7L);
savedCustomer.setFirstName("Pat");
savedCustomer.setLastName("Owner");
savedCustomer.setEmail("pat@example.com");
when(customerRepository.save(any(Customer.class))).thenReturn(savedCustomer);
when(userRepository.findByEmail("pat@example.com")).thenReturn(Optional.empty());
when(passwordEncoder.encode(any())).thenReturn("hashed-temp-password");
when(userRepository.save(any(User.class))).thenAnswer(invocation -> {
User user = invocation.getArgument(0);
user.setId(11L);
return user;
});
when(userBusinessLinkageService.ensureLinkedCustomer(any(User.class))).thenAnswer(invocation -> {
User user = invocation.getArgument(0);
savedCustomer.setUserId(user.getId());
return savedCustomer;
});
var response = customerService.createCustomer(request);
assertNotNull(response);
assertEquals("Pat", response.getFirstName());
assertEquals("Owner", response.getLastName());
assertEquals("pat@example.com", response.getEmail());
ArgumentCaptor<User> userCaptor = ArgumentCaptor.forClass(User.class);
verify(userRepository).save(userCaptor.capture());
User createdUser = userCaptor.getValue();
assertEquals("customer_7", createdUser.getUsername());
assertEquals("hashed-temp-password", createdUser.getPassword());
assertEquals("pat@example.com", createdUser.getEmail());
assertEquals("Pat Owner", createdUser.getFullName());
assertEquals("200-000-0007", createdUser.getPhone());
assertEquals(false, createdUser.getActive());
}
@Test
void createCustomerRejectsExistingNonCustomerEmail() {
CustomerRequest request = new CustomerRequest();
request.setFirstName("Pat");
request.setLastName("Owner");
request.setEmail("pat@example.com");
User existing = new User();
existing.setId(22L);
existing.setUsername("staff1");
existing.setEmail("pat@example.com");
existing.setRole(User.Role.STAFF);
when(userRepository.findByEmail("pat@example.com")).thenReturn(Optional.of(existing));
assertThrows(ResponseStatusException.class, () -> customerService.createCustomer(request));
}
@Test
void createCustomerRejectsExistingCustomerEmail() {
CustomerRequest request = new CustomerRequest();
request.setFirstName("Pat");
request.setLastName("Owner");
request.setEmail("pat@example.com");
User existing = new User();
existing.setId(22L);
existing.setUsername("customer1");
existing.setEmail("pat@example.com");
existing.setRole(User.Role.CUSTOMER);
when(userRepository.findByEmail("pat@example.com")).thenReturn(Optional.of(existing));
assertThrows(ResponseStatusException.class, () -> customerService.createCustomer(request));
}
@Test
void updateCustomerRejectsExistingEmailFromOtherUser() {
Customer customer = new Customer();
customer.setCustomerId(7L);
customer.setUserId(11L);
customer.setFirstName("Pat");
customer.setLastName("Owner");
customer.setEmail("old@example.com");
CustomerRequest request = new CustomerRequest();
request.setFirstName("Pat");
request.setLastName("Owner");
request.setEmail("pat@example.com");
User existing = new User();
existing.setId(22L);
existing.setUsername("customer2");
existing.setEmail("pat@example.com");
existing.setRole(User.Role.CUSTOMER);
when(customerRepository.findById(7L)).thenReturn(Optional.of(customer));
when(userRepository.findByEmail("pat@example.com")).thenReturn(Optional.of(existing));
assertThrows(ResponseStatusException.class, () -> customerService.updateCustomer(7L, request));
}
@Test
void deleteCustomerDeletesLinkedUser() {
Customer customer = new Customer();
customer.setCustomerId(7L);
customer.setUserId(11L);
when(customerRepository.findById(7L)).thenReturn(Optional.of(customer));
when(userRepository.existsById(11L)).thenReturn(true);
customerService.deleteCustomer(7L);
verify(userRepository).deleteById(11L);
verify(customerRepository, never()).deleteById(7L);
}
@Test
void deleteCustomerDeletesCustomerWhenNoLinkedUserExists() {
Customer customer = new Customer();
customer.setCustomerId(7L);
customer.setUserId(11L);
when(customerRepository.findById(7L)).thenReturn(Optional.of(customer));
when(userRepository.existsById(11L)).thenReturn(false);
customerService.deleteCustomer(7L);
verify(customerRepository).deleteById(7L);
}
}

17
backend/src/test/java/com/petshop/backend/service/SaleServiceTest.java Normal file
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@@ -0,0 +1,17 @@
package com.petshop.backend.service;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
class SaleServiceTest {
@Test
void normalizePaymentMethodMapsDebitToCard() {
SaleService saleService = new SaleService(null, null, null, null, null, null, null, null);
assertEquals("Card", saleService.normalizePaymentMethod("Debit"));
assertEquals("Card", saleService.normalizePaymentMethod("debit"));
assertEquals("Cash", saleService.normalizePaymentMethod("Cash"));
}
}