Add email validation

src/comment.rs

@@ -1,5 +1,6 @@
 use chrono::NaiveDateTime;
 use serde::{Deserialize, Serialize};
+use validator::Validate;
 
 // Master comment type that is stored in database
 pub struct Comment {
@@ -33,9 +34,10 @@ pub struct CommentSend {
 }
 
 // Comment type received containing new comment data
-#[derive(Deserialize)]
+#[derive(Deserialize, Validate)]
 pub struct CommentReceive {
     pub author: Option<String>,
+    #[validate(email)]
     pub email: Option<String>,
     pub text: String,
 }

src/main.rs

@@ -6,6 +6,7 @@ pub use database::Database;
 
 use actix_web::{get, post, web, App, HttpResponse, HttpServer, Responder};
 use std::sync::Mutex;
+use validator::Validate;
 
 struct AppState {
     db: Mutex<Database>,
@@ -32,6 +33,9 @@ async fn post_comment(data: web::Data<AppState>, bytes: web::Bytes) -> impl Resp
                 Ok(comment) => comment,
                 Err(_) => return HttpResponse::BadRequest(),
             };
+            if comment.validate().is_err() {
+                return HttpResponse::BadRequest();
+            }
             db.create_comment(&comment.to_master()).unwrap();
             HttpResponse::Ok()
         }