Add user validation

src/forms.rs

@@ -0,0 +1,11 @@
+#[derive(FromForm)]
+pub struct UserSignUp {
+    pub username: String,
+    pub password: String,
+}
+
+impl UserSignUp {
+    pub fn is_valid(&self) -> bool {
+        true
+    }
+}

src/main.rs

@@ -5,6 +5,7 @@ mod database;
 mod routes;
 mod schema;
 mod models;
+mod forms;
 
 #[macro_use] extern crate diesel;
 #[macro_use] extern crate rocket;

src/routes.rs

@@ -1,9 +1,11 @@
 use crate::database;
 use crate::schema;
 use crate::models;
+use crate::forms;
 
 use diesel::prelude::*;
 use rocket::response::Redirect;
+use rocket::request::Form;
 use rocket_contrib::templates::Template;
 
 #[derive(Serialize)]
@@ -30,14 +32,25 @@ fn index(db_conn: database::DbConn) -> Template {
     Template::render("index", &template_context)
 }
 
-#[post("/users/<username>/<password>")]
-fn sign_up(db_conn: database::DbConn, username: String, password: String) -> Redirect {
+#[post("/users", data = "<user_sign_up_form>")]
+fn sign_up(
+    db_conn: database::DbConn,
+    user_sign_up_form: Form<forms::UserSignUp>,
+) -> Redirect
+{
     use schema::users;
 
-    let encrypted_password = bcrypt::hash(password, bcrypt::DEFAULT_COST).unwrap();
+    if !user_sign_up_form.is_valid() {
+        return Redirect::to(uri!(index));
+    }
+
+    let encrypted_password = bcrypt::hash(
+        user_sign_up_form.password.to_string(),
+        bcrypt::DEFAULT_COST,
+    ).unwrap();
 
     let new_user = models::NewUser {
-        username: username.as_str(),
+        username: user_sign_up_form.username.as_str(),
         encrypted_password: encrypted_password.as_str(),
     };