findAllById post service

Author: Javad Bagirov

src/main/java/org/blog/app/controller/PostController.java

@@ -19,6 +19,11 @@ public List<Post> all() {
         return postService.findAll();
     }
 
+    @GetMapping("/id")
+    public Post get(@RequestParam("id") Long id) {
+        return postService.findAllBy(id);
+    }
+
     @PostMapping()
     public Post save(@RequestBody Post post) {
         return postService.save(post);

src/main/java/org/blog/app/service/PostService.java

@@ -17,6 +17,10 @@ public List<Post> findAll(){
         return postRepository.findAll();
     }
 
+    public Post findAllBy(Long id) {
+        return postRepository.findById(id).orElse(null);
+    }
+
     public Post save(Post post) {
         return postRepository.save(post);
     }