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feat: add paginated notification API and frontend support

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This commit is contained in:
Tim
2025-08-19 17:07:27 +08:00
parent 35bcd2cdc2
commit df7ca77652
7 changed files with 256 additions and 185 deletions
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12
backend/src/main/java/com/openisle/controller/NotificationController.java
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@@ -23,9 +23,17 @@ public class NotificationController {
private final NotificationMapper notificationMapper;
@GetMapping
public List<NotificationDto> list(@RequestParam(value = "read", required = false) Boolean read,
public List<NotificationDto> list(@RequestParam(value = "page", defaultValue = "0") int page,
Authentication auth) {
return notificationService.listNotifications(auth.getName(), read).stream()
return notificationService.listNotifications(auth.getName(), null, page).stream()
.map(notificationMapper::toDto)
.collect(Collectors.toList());
}
@GetMapping("/unread")
public List<NotificationDto> listUnread(@RequestParam(value = "page", defaultValue = "0") int page,
Authentication auth) {
return notificationService.listNotifications(auth.getName(), false, page).stream()
.map(notificationMapper::toDto)
.collect(Collectors.toList());
}

5
backend/src/main/java/com/openisle/repository/NotificationRepository.java
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@@ -5,6 +5,8 @@ import com.openisle.model.User;
import com.openisle.model.Post;
import com.openisle.model.Comment;
import com.openisle.model.NotificationType;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;
import java.util.List;
@@ -13,6 +15,9 @@ import java.util.List;
public interface NotificationRepository extends JpaRepository<Notification, Long> {
List<Notification> findByUserOrderByCreatedAtDesc(User user);
List<Notification> findByUserAndReadOrderByCreatedAtDesc(User user, boolean read);
Page<Notification> findByUserOrderByCreatedAtDesc(User user, Pageable pageable);
Page<Notification> findByUserAndReadOrderByCreatedAtDesc(User user, boolean read, Pageable pageable);
long countByUserAndRead(User user, boolean read);
List<Notification> findByPost(Post post);
List<Notification> findByComment(Comment comment);

15
backend/src/main/java/com/openisle/service/NotificationService.java
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@@ -24,6 +24,8 @@ import java.util.List;
import java.util.ArrayList;
import java.util.concurrent.Executor;
import java.util.stream.Collectors;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
/** Service for creating and retrieving notifications. */
@Service
@@ -181,16 +183,21 @@ public class NotificationService {
}
public List<Notification> listNotifications(String username, Boolean read) {
return listNotifications(username, read, 0);
}
public List<Notification> listNotifications(String username, Boolean read, int page) {
User user = userRepository.findByUsername(username)
.orElseThrow(() -> new com.openisle.exception.NotFoundException("User not found"));
Set<NotificationType> disabled = user.getDisabledNotificationTypes();
List<Notification> list;
Page<Notification> p;
Pageable pageable = org.springframework.data.domain.PageRequest.of(page, 50);
if (read == null) {
list = notificationRepository.findByUserOrderByCreatedAtDesc(user);
p = notificationRepository.findByUserOrderByCreatedAtDesc(user, pageable);
} else {
list = notificationRepository.findByUserAndReadOrderByCreatedAtDesc(user, read);
p = notificationRepository.findByUserAndReadOrderByCreatedAtDesc(user, read, pageable);
}
return list.stream().filter(n -> !disabled.contains(n.getType())).collect(Collectors.toList());
return p.getContent().stream().filter(n -> !disabled.contains(n.getType())).collect(Collectors.toList());
}
public void markRead(String username, List<Long> ids) {

19
backend/src/test/java/com/openisle/controller/NotificationControllerTest.java
View File

@@ -45,7 +45,7 @@ class NotificationControllerTest {
p.setId(2L);
n.setPost(p);
n.setCreatedAt(LocalDateTime.now());
when(notificationService.listNotifications("alice", null))
when(notificationService.listNotifications("alice", null, 0))
.thenReturn(List.of(n));
NotificationDto dto = new NotificationDto();
@@ -62,6 +62,23 @@ class NotificationControllerTest {
.andExpect(jsonPath("$[0].post.id").value(2));
}
@Test
void listUnreadNotifications() throws Exception {
Notification n = new Notification();
n.setId(3L);
n.setType(NotificationType.POST_VIEWED);
when(notificationService.listNotifications("alice", false, 0)).thenReturn(List.of(n));
NotificationDto dto = new NotificationDto();
dto.setId(3L);
when(notificationMapper.toDto(n)).thenReturn(dto);
mockMvc.perform(get("/api/notifications/unread")
.principal(new UsernamePasswordAuthenticationToken("alice", "p")))
.andExpect(status().isOk())
.andExpect(jsonPath("$[0].id").value(3));
}
@Test
void markReadEndpoint() throws Exception {
mockMvc.perform(post("/api/notifications/read")

7
backend/src/test/java/com/openisle/service/NotificationServiceTest.java
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@@ -65,12 +65,15 @@ class NotificationServiceTest {
when(uRepo.findByUsername("bob")).thenReturn(Optional.of(user));
Notification n = new Notification();
when(nRepo.findByUserOrderByCreatedAtDesc(user)).thenReturn(List.of(n));
org.springframework.data.domain.Page<Notification> page =
new org.springframework.data.domain.PageImpl<>(List.of(n));
when(nRepo.findByUserOrderByCreatedAtDesc(eq(user), any(org.springframework.data.domain.Pageable.class)))
.thenReturn(page);
List<Notification> list = service.listNotifications("bob", null);
assertEquals(1, list.size());
verify(nRepo).findByUserOrderByCreatedAtDesc(user);
verify(nRepo).findByUserOrderByCreatedAtDesc(eq(user), any(org.springframework.data.domain.Pageable.class));
}
@Test