From 9506e84f1617d8d054449d326fabf6c3bf2433bb Mon Sep 17 00:00:00 2001
From: Manuel Thalmann <m@nuth.ch>
Date: Sat, 12 Apr 2025 10:12:38 +0200
Subject: [PATCH] Add a method for approving blog posts
---
blog/src/lib.rs | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)
diff --git a/blog/src/lib.rs b/blog/src/lib.rs
index 0a3a4b3..9997513 100644
--- a/blog/src/lib.rs
+++ b/blog/src/lib.rs
@@ -24,10 +24,17 @@ impl Post {
self.state = Some(s.request_review())
}
}
+
+ pub fn approve(&mut self) {
+ if let Some(s) = self.state.take() {
+ self.state = Some(s.approve())
+ }
+ }
}
trait State {
fn request_review(self: Box<Self>) -> Box<dyn State>;
+ fn approve(self: Box<Self>) -> Box<dyn State>;
}
struct Draft {}
@@ -36,6 +43,10 @@ impl State for Draft {
fn request_review(self: Box<Self>) -> Box<dyn State> {
Box::new(PendingReview {})
}
+
+ fn approve(self: Box<Self>) -> Box<dyn State> {
+ self
+ }
}
struct PendingReview {}
@@ -44,4 +55,20 @@ impl State for PendingReview {
fn request_review(self: Box<Self>) -> Box<dyn State> {
self
}
+
+ fn approve(self: Box<Self>) -> Box<dyn State> {
+ Box::new(Published {})
+ }
+}
+
+struct Published {}
+
+impl State for Published {
+ fn request_review(self: Box<Self>) -> Box<dyn State> {
+ self
+ }
+
+ fn approve(self: Box<Self>) -> Box<dyn State> {
+ self
+ }
}