Delete likes

src/routes/likes.rs

@@ -10,12 +10,19 @@ use models::users::User;
 #[get("/~/<blog>/<slug>/like")]
 fn create(blog: String, slug: String, user: User, conn: DbConn) -> Redirect {
     let post = Post::find_by_slug(&*conn, slug.clone()).unwrap();
-    likes::Like::insert(&*conn, likes::NewLike {
-        post_id: post.id,
-        user_id: user.id
-    });
-    let act = Like::new(&user, &post, &*conn);
-    broadcast(&*conn, &user, act, user.get_followers(&*conn));
 
+    if !user.has_liked(&*conn, &post) {
+        likes::Like::insert(&*conn, likes::NewLike {
+                post_id: post.id,
+                user_id: user.id
+        });
+        let act = Like::new(&user, &post, &*conn);
+        broadcast(&*conn, &user, act, user.get_followers(&*conn));
+    } else {
+        let like = likes::Like::for_user_on_post(&*conn, &user, &post).unwrap();
+        like.delete(&*conn);
+        // TODO: send Delete to AP
+    }
+    
     Redirect::to(format!("/~/{}/{}/", blog, slug).as_ref())
 }