Added Post system. Notification system

src/main/java/site/easystartup/web/post/controller/PostController.java

@@ -0,0 +1,96 @@
+package site.easystartup.web.post.controller;
+
+import lombok.RequiredArgsConstructor;
+import org.modelmapper.ModelMapper;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.security.access.annotation.Secured;
+import org.springframework.util.ObjectUtils;
+import org.springframework.validation.BindingResult;
+import org.springframework.web.bind.annotation.*;
+import site.easystartup.web.domain.model.User;
+import site.easystartup.web.domain.response.MessageResponse;
+import site.easystartup.web.domain.validation.ResponseErrorValidation;
+import site.easystartup.web.exception.NoPermissionException;
+import site.easystartup.web.post.domain.model.Post;
+import site.easystartup.web.post.domain.request.PostRequest;
+import site.easystartup.web.post.dto.PostDto;
+import site.easystartup.web.post.service.PostService;
+import site.easystartup.web.project.domain.requst.ProjectRequest;
+import site.easystartup.web.service.UserService;
+
+import javax.validation.Valid;
+import java.security.Principal;
+import java.util.List;
+import java.util.stream.Collectors;
+
+@RestController
+@RequestMapping("/post")
+@RequiredArgsConstructor(onConstructor_ = @Autowired)
+public class PostController {
+    private final PostService postService;
+    private final UserService userService;
+    private final ModelMapper modelMapper;
+    private final ResponseErrorValidation responseErrorValidation;
+
+    @GetMapping("/")
+    public ResponseEntity<List<PostDto>> main(Principal principal) {
+        var posts = postService.getAllPostsByAuthor(principal.getName())
+                .stream().map(post -> modelMapper.map(post, PostDto.class)).toList();
+        return ResponseEntity.ok().body(posts);
+    }
+
+    @PostMapping("/new")
+    public ResponseEntity<Object> createPost(@Valid @RequestBody PostRequest postRequest, BindingResult bindingResult,
+                                             Principal principal) {
+        var errors = responseErrorValidation.mapValidationService(bindingResult);
+        if (!ObjectUtils.isEmpty(errors)) return errors;
+
+        Post post = postService.createPost(postRequest, principal);
+        return ResponseEntity.ok().body(modelMapper.map(post, PostRequest.class));
+    }
+
+    @GetMapping("/user/{username}")
+    public ResponseEntity<List<PostDto>> user(@PathVariable String username) {
+        var posts = postService.getAllPostsByAuthor(username)
+                .stream().map(post -> modelMapper.map(post, PostDto.class)).toList();
+        return ResponseEntity.ok().body(posts);
+    }
+
+    @GetMapping("/{post_id}/edit/")
+    public ResponseEntity<Object> edit(@Valid @RequestBody PostRequest postRequest, BindingResult bindingResult,
+                                             Principal principal, @PathVariable long post_id) {
+        var errors = responseErrorValidation.mapValidationService(bindingResult);
+        if (!ObjectUtils.isEmpty(errors)) return errors;
+
+        Post post = postService.edit(postRequest, post_id, principal);
+        return ResponseEntity.ok().body(modelMapper.map(post, PostRequest.class));
+    }
+
+    @DeleteMapping("/{post_id}/delete")
+    public void delete(@PathVariable long post_id,
+                       Principal principal) {
+        Post post = postService.getPostById(post_id);
+        if(!post.getSender().equals(principal.getName()) && !userService.getUserByPrincipal(principal).isAdmin())
+            throw new NoPermissionException(String.format("User %s cant delete post %s", principal.getName(), post_id));
+        else postService.delete(post);
+    }
+
+    @PutMapping("/{post_id}/like/")
+    public ResponseEntity<Object> like(Principal principal, @PathVariable long post_id) {
+        Post post = postService.getPostById(post_id);
+
+        Post edited = postService.addLike(post, principal);
+        return ResponseEntity.ok().body(modelMapper.map(edited, PostRequest.class));
+    }
+
+    @PutMapping("/{post_id}/dislike/")
+    public ResponseEntity<Object> dislike(Principal principal, @PathVariable long post_id) {
+        Post post = postService.getPostById(post_id);
+
+        Post edited = postService.disLike(post, principal);
+        return ResponseEntity.ok().body(modelMapper.map(edited, PostRequest.class));
+    }
+
+
+}