From 42413235bed80e9af6a9655dba504dbf2bdc572c Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Wed, 10 Jan 2018 21:09:10 +0100
Subject: Adding edit/update logic.

The model is not done yet, though. No net on the train.
---
 src/main.rs   |  2 +-
 src/models.rs | 13 ++++++++++---
 src/posts.rs  | 20 ++++++++++++++++++++
 3 files changed, 31 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/main.rs b/src/main.rs
index 40fa802..5084fbc 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -37,6 +37,6 @@ fn main() {
     rocket::ignite()
         .manage(rocket_blog::init_db_pool())
         .mount("/", routes![index, index_json])
-        .mount("/posts", routes![posts::new, posts::create, posts::show])
+        .mount("/posts", routes![posts::new, posts::create, posts::show, posts::edit, posts::update])
         .launch();
 }
diff --git a/src/models.rs b/src/models.rs
index 325ee44..33a5fe7 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -2,7 +2,7 @@ use super::schema::posts;
 use diesel::prelude::*;
 use diesel::{self, ExecuteDsl};
 
-#[derive(Serialize, Queryable)]
+#[derive(FromForm, Serialize, Queryable)]
 pub struct Post {
     pub id: i32,
     pub title: String,
@@ -34,11 +34,18 @@ impl Post {
     }
 
     pub fn create(new_post: &NewPost, conn: ::DbConn) {
-        use super::schema::posts;
-
         diesel::insert(new_post)
             .into(posts::table)
             .execute(&*conn)
             .expect("Error saving post.");
     }
+
+    pub fn update(_updated_post: &Post, _conn: ::DbConn) {
+        //use super::schema::posts::dsl::*;
+
+        //diesel::update(updated_post)
+        //    .into(posts)
+        //    .execute(&*conn)
+        //    .expect("Error saving post.");
+    }
 }
diff --git a/src/posts.rs b/src/posts.rs
index a5e2524..859cce5 100644
--- a/src/posts.rs
+++ b/src/posts.rs
@@ -34,3 +34,23 @@ fn show<'a>(id: i32, conn: ::rocket_blog::DbConn) -> ShowPostTemplate {
     let p = ::models::Post::get(id, conn);
     ShowPostTemplate { post: p }
 }
+
+#[derive(BartDisplay)]
+#[template = "templates/edit_post.html"]
+pub struct EditPostTemplate {
+    post: ::models::Post
+}
+
+implement_responder_for!(EditPostTemplate);
+
+#[get("/<id>/edit", format = "text/html")]
+fn edit(id: i32, conn: ::rocket_blog::DbConn) -> EditPostTemplate {
+    let p = ::models::Post::get(id, conn);
+    EditPostTemplate { post: p }
+}
+
+#[post("/update", data="<post>")]
+fn update(post: Form<::models::Post>, conn: ::rocket_blog::DbConn) -> Redirect {
+  ::models::Post::update(post.get(), conn);
+  Redirect::to("/")
+}
-- 
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