From a1bba63fae68e7e6a680b14b674d9c47dfcf4862 Mon Sep 17 00:00:00 2001
From: Harald Eilertsen <haraldei@anduin.net>
Date: Tue, 31 Jul 2018 20:12:07 +0200
Subject: Implement deleting users.

---
 src/controllers/users_controller.rs | 16 +++++++++++++++-
 src/models/user.rs                  |  5 +++++
 templates/users.html                |  6 ++++++
 3 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/src/controllers/users_controller.rs b/src/controllers/users_controller.rs
index b2ba308..87a0b16 100644
--- a/src/controllers/users_controller.rs
+++ b/src/controllers/users_controller.rs
@@ -22,6 +22,20 @@ fn index(flash: Option<rocket::request::FlashMessage>, conn: utils::DbConn) -> u
     }
 }
 
+#[get("/<id>/delete")]
+fn delete(id: i32, route: &rocket::Route, conn: utils::DbConn) -> Flash<Redirect> {
+    match ::models::User::delete(id, conn) {
+        Ok(user) => Flash::success(
+            Redirect::to(route.base.path()),
+            format!("User {} was successfully deleted.", user.username)
+        ),
+        Err(msg) => Flash::error(
+            Redirect::to(route.base.path()),
+            format!("Error deleting user: {}", msg)
+        )
+    }
+}
+
 #[derive(BartDisplay)]
 #[template = "templates/new_user.html"]
 pub struct NewUserTemplate {
@@ -80,5 +94,5 @@ fn create(user: Form<RegisterUserForm>, route: &rocket::Route, conn: utils::DbCo
 }
 
 pub fn routes() -> Vec<rocket::Route> {
-    routes![index, new, create]
+    routes![index, new, create, delete]
 }
diff --git a/src/models/user.rs b/src/models/user.rs
index 0345e92..9587fd3 100644
--- a/src/models/user.rs
+++ b/src/models/user.rs
@@ -38,6 +38,11 @@ impl User {
             .get_result(&*conn)
     }
 
+    pub fn delete(user_id: i32, conn: utils::DbConn) -> QueryResult<User> {
+        use ::schema::users::dsl::*;
+        diesel::delete(users.filter(id.eq(user_id))).get_result::<User>(&*conn)
+    }
+
     pub fn realname(&self) -> String {
         self.realname.as_ref().unwrap_or(&String::new()).clone()
     }
diff --git a/templates/users.html b/templates/users.html
index 8490311..4656e88 100644
--- a/templates/users.html
+++ b/templates/users.html
@@ -4,6 +4,7 @@
     <th>username</th>
     <th>real name</th>
     <th>email</th>
+    <th>action</th>
   </tr>
   {{# users }}
     <tr>
@@ -11,6 +12,11 @@
       <td>{{ .username }}</td>
       <td>{{ .realname() }}</td>
       <td>{{ .email() }}</td>
+      <td><a href="/users/{{ .id }}/delete" id="delete_user">Delete</a></td>
     </tr>
   {{/ users }}
 </table>
+
+<div class="actions">
+  <a href="/users/new" id="new_user">Create new user</a>
+</div>
-- 
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