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Merge pull request #36 from nagisa77/codex/update-post-endpoint-for-theme-filtering-and-pagination

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Add post listing filters and pagination
This commit is contained in:
Tim
2025-07-01 16:03:20 +08:00
committed by GitHub
parent 58ace035fe d9e61ac756
commit 93c23dd9df
4 changed files with 39 additions and 4 deletions
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12
src/main/java/com/openisle/controller/PostController.java
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@@ -49,8 +49,16 @@ public class PostController {
}
@GetMapping
public List<PostDto> listPosts() {
return postService.listPosts().stream().map(this::toDto).collect(Collectors.toList());
public List<PostDto> listPosts(@RequestParam(value = "categoryId", required = false) Long categoryId,
@RequestParam(value = "categoryIds", required = false) List<Long> categoryIds,
@RequestParam(value = "page", required = false) Integer page,
@RequestParam(value = "pageSize", required = false) Integer pageSize) {
List<Long> ids = categoryIds;
if (categoryId != null) {
ids = java.util.List.of(categoryId);
}
return postService.listPostsByCategories(ids, page, pageSize)
.stream().map(this::toDto).collect(Collectors.toList());
}
private PostDto toDto(Post post) {

4
src/main/java/com/openisle/repository/PostRepository.java
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@@ -3,6 +3,7 @@ package com.openisle.repository;
import com.openisle.model.Post;
import com.openisle.model.PostStatus;
import com.openisle.model.User;
import com.openisle.model.Category;
import org.springframework.data.domain.Pageable;
import org.springframework.data.jpa.repository.JpaRepository;
@@ -10,5 +11,8 @@ import java.util.List;
public interface PostRepository extends JpaRepository<Post, Long> {
List<Post> findByStatus(PostStatus status);
List<Post> findByStatus(PostStatus status, Pageable pageable);
List<Post> findByAuthorAndStatusOrderByCreatedAtDesc(User author, PostStatus status, Pageable pageable);
List<Post> findByCategoryInAndStatus(List<Category> categories, PostStatus status);
List<Post> findByCategoryInAndStatus(List<Category> categories, PostStatus status, Pageable pageable);
}

24
src/main/java/com/openisle/service/PostService.java
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@@ -58,7 +58,29 @@ public class PostService {
}
public List<Post> listPosts() {
return postRepository.findByStatus(PostStatus.PUBLISHED);
return listPostsByCategories(null, null, null);
}
public List<Post> listPostsByCategories(java.util.List<Long> categoryIds,
Integer page,
Integer pageSize) {
Pageable pageable = null;
if (page != null && pageSize != null) {
pageable = PageRequest.of(page, pageSize);
}
if (categoryIds == null || categoryIds.isEmpty()) {
if (pageable != null) {
return postRepository.findByStatus(PostStatus.PUBLISHED, pageable);
}
return postRepository.findByStatus(PostStatus.PUBLISHED);
}
java.util.List<Category> categories = categoryRepository.findAllById(categoryIds);
if (pageable != null) {
return postRepository.findByCategoryInAndStatus(categories, PostStatus.PUBLISHED, pageable);
}
return postRepository.findByCategoryInAndStatus(categories, PostStatus.PUBLISHED);
}
public List<Post> getRecentPostsByUser(String username, int limit) {