Add update route for posts

src/main/java/org/codiki/posts/PostController.java

@@ -1,5 +1,6 @@
 package org.codiki.posts;
 
+import java.io.IOException;
 import java.util.List;
 import java.util.Optional;
 import java.util.stream.Collectors;
@@ -17,6 +18,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.PutMapping;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
@@ -113,4 +115,10 @@ public class PostController {
 		
 		return result;
 	}
+	
+	@PutMapping("/")
+	public void update(@RequestBody final PostDTO pPost, final HttpServletRequest pRequest,
+			final HttpServletResponse pResponse) throws IOException {
+		postService.update(pPost, pRequest, pResponse);
+	}
 }

src/main/java/org/codiki/posts/PostService.java

@@ -1,12 +1,17 @@
 package org.codiki.posts;
 
+import java.io.IOException;
+import java.util.Date;
 import java.util.Optional;
 
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 
 import org.codiki.core.entities.dto.PostDTO;
+import org.codiki.core.entities.persistence.Category;
 import org.codiki.core.entities.persistence.Post;
+import org.codiki.core.entities.persistence.User;
+import org.codiki.core.repositories.CategoryRepository;
 import org.codiki.core.repositories.PostRepository;
 import org.codiki.core.security.TokenService;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -18,6 +23,9 @@ public class PostService {
 	@Autowired
 	private PostRepository postRepository;
 	
+	@Autowired
+	private CategoryRepository categoryRepository;
+	
 	@Autowired
 	private TokenService tokenService;
 	
@@ -38,4 +46,35 @@ public class PostService {
 		
 		return result;
 	}
+	
+	public void update(final PostDTO pPost, final HttpServletRequest pRequest,
+			final HttpServletResponse pResponse) throws IOException {
+		final User connectedUser = tokenService.getAuthenticatedUserByToken(pRequest);
+		
+		if(connectedUser != null && connectedUser.getKey().equals(pPost.getAuthor().getKey())) {
+			final Optional<Post> postOpt = postRepository.getByKey(pPost.getKey());
+			
+			if(postOpt.isPresent()) {
+				final Optional<Category> category = categoryRepository.findById(pPost.getCategory().getId());
+				if(category.isPresent()) {
+					final Post post = postOpt.get();
+					
+					post.setTitle(pPost.getTitle());
+					post.setImage(pPost.getImage());
+					post.setDescription(pPost.getDescription());
+					post.setCreationDate(new Date());
+					post.setText(pPost.getText());
+					post.setCategory(category.get());
+					
+					postRepository.save(post);
+				} else {
+					pResponse.sendError(HttpServletResponse.SC_BAD_REQUEST);
+				}
+			} else {
+				pResponse.sendError(HttpServletResponse.SC_NOT_FOUND);
+			}
+		} else {
+			pResponse.sendError(HttpServletResponse.SC_FORBIDDEN);
+		}
+	}
 }