Add new subscriber validations from form data

Cargo.toml

@@ -20,6 +20,9 @@ tracing-log = "0.2.0"
 secrecy = { version = "0.8", features = ["serde"] }
 tracing-actix-web = "0.7"
 serde-aux = "4"
+unicode-segmentation = "1.11.0"
+claims = "0.7"
+validator = "0.17.0"
 
 # Using table-like toml syntax to avoid a super-long line!
 [dependencies.sqlx]
@@ -35,6 +38,9 @@ features = [
 
 [dev-dependencies]
 once_cell = "1"
+fake = "~2.3"
+quickcheck = "0.9.2"
+quickcheck_macros = "0.9.1"
 
 [lib]
 path = "src/lib.rs"

src/domain/mod.rs

@@ -0,0 +1,8 @@
+mod new_subscriber;
+mod subscriber_name;
+mod subscriber_email;
+
+
+pub use subscriber_name::SubscriberName;
+pub use subscriber_email::SubscriberEmail;
+pub use new_subscriber::NewSubscriber;

src/domain/new_subscriber.rs

@@ -0,0 +1,6 @@
+use crate::domain::{SubscriberEmail, SubscriberName};
+
+pub struct NewSubscriber {
+    pub email: SubscriberEmail,
+    pub name: SubscriberName,
+}