Enable show for posts

lidimayra · lidimayra · commit 0aa88c3429b4 · 2025-01-10T22:07:55.000Z
diff --git a/myapp/src/main/java/com/example/myapp/BlogController.java b/myapp/src/main/java/com/example/myapp/BlogController.java
@@ -32,7 +32,12 @@ public String createPost(Post post) {
     }
 
     @GetMapping("/posts/{postId}")
-    public String showPost() {
+    public String showPost(@PathVariable("postId") long id, Model model) {
+        Post post = postRepository.findById(id)
+                .orElseThrow(() -> new IllegalArgumentException("Invalid Post Id:" + id));
+
+        model.addAttribute("post", post);
+
         return "blog/show";
     }
 
diff --git a/myapp/src/main/resources/templates/blog/index.html b/myapp/src/main/resources/templates/blog/index.html
@@ -9,7 +9,7 @@ <h1>Blog</h1>
     </dt>
 
     <dd>
-        <span th:text="${post.content}">Content</span>
+        <a th:href="@{/posts/{id}(id=${post.id})}">Show</a>
         <a th:href="@{/posts/{id}/edit(id=${post.id})}">Edit</a>
     </dd>
 </dl>
diff --git a/myapp/src/main/resources/templates/blog/show.html b/myapp/src/main/resources/templates/blog/show.html
@@ -1 +1,13 @@
-<p>Post title</p>
+<!DOCTYPE html SYSTEM "http://www.thymeleaf.org/dtd/xhtml1-strict-thymeleaf-4.dtd">
+<html xmlns="http://www.w3.org/1999/xhtml" xmlns:th="http://www.thymeleaf.org">
+
+    <body>
+        <h1 th:text="${post.title}"></h1>
+        <hr>
+        <p th:text="${post.content}"></p>
+
+        <p><a th:href="@{/posts/{id}/edit(id=${post.id})}">Edit</a></p>
+        <hr>
+        <a th:href="@{/posts}">Go back to posts</a>
+    </body>
+</html>

Original file line number	Diff line number	Diff line change
`@@ -32,7 +32,12 @@ public String createPost(Post post) {`
`32`	`32`	`}`
`33`	`33`
`34`	`34`	`@GetMapping("/posts/{postId}")`
`35`		`- public String showPost() {`
	`35`	`+ public String showPost(@PathVariable("postId") long id, Model model) {`
	`36`	`+ Post post = postRepository.findById(id)`
	`37`	`+ .orElseThrow(() -> new IllegalArgumentException("Invalid Post Id:" + id));`
	`38`	`+`
	`39`	`+ model.addAttribute("post", post);`
	`40`	`+`
`36`	`41`	`return "blog/show";`
`37`	`42`	`}`
`38`	`43`