From 91b3fb32d39edb6038e4f3f9ba822b1b6ba84091 Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Wed, 10 Jan 2018 22:54:07 +0100
Subject: Implement actually updating database.

---
 src/models/post.rs | 24 ++++++++++++++----------
 1 file changed, 14 insertions(+), 10 deletions(-)

diff --git a/src/models/post.rs b/src/models/post.rs
index f7c35ac..b8453ce 100644
--- a/src/models/post.rs
+++ b/src/models/post.rs
@@ -2,7 +2,7 @@ use ::schema::posts;
 use diesel::prelude::*;
 use diesel::{self, ExecuteDsl};
 
-#[derive(FromForm, Serialize, Queryable)]
+#[derive(AsChangeset, FromForm, Identifiable, Serialize, Queryable)]
 pub struct Post {
     pub id: i32,
     pub title: String,
@@ -27,12 +27,17 @@ impl Post {
             .expect("Error loading posts")
     }
 
-    pub fn get(post_id: i32, conn: ::DbConn) -> Post {
+    fn get_internal(post_id: i32, conn: &::DbConn) -> Post {
         use ::schema::posts::dsl::*;
-        posts.find(post_id).get_result(&*conn)
+        posts.find(post_id)
+            .get_result(&**conn)
             .expect(&format!("Unable to find post with id={}", post_id))
     }
 
+    pub fn get(post_id: i32, conn: ::DbConn) -> Post {
+        Post::get_internal(post_id, &conn)
+    }
+
     pub fn create(new_post: &NewPost, conn: ::DbConn) {
         diesel::insert(new_post)
             .into(posts::table)
@@ -40,12 +45,11 @@ impl Post {
             .expect("Error saving post.");
     }
 
-    pub fn update(_updated_post: &Post, _conn: ::DbConn) {
-        //use ::schema::posts::dsl::*;
-
-        //diesel::update(updated_post)
-        //    .into(posts)
-        //    .execute(&*conn)
-        //    .expect("Error saving post.");
+    pub fn update(updated_post: &Post, conn: ::DbConn) {
+        let p = Post::get_internal(updated_post.id, &conn);
+        diesel::update(&p)
+            .set(updated_post)
+            .execute(&*conn)
+            .expect("Error saving post.");
     }
 }
-- 
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