tsk-61: Added code to check registration status

src/callers/register.rs

@@ -52,7 +52,20 @@ pub async fn register_user(
     axum::Extension(pool): axum::Extension<sqlx::PgPool>,
     Json(payload): Json<request::Request>,
 ) -> (StatusCode, Json<response::Response>) {
-    if is_registration_enabled() {
+    let registration_enabled = match is_registration_enabled().await {
+        Ok(value) => {
+            value
+        }
+        Err(err) => {
+            eprintln!("Error: {err:?}");
+            return (axum::http::StatusCode::INTERNAL_SERVER_ERROR, Json(response::Response{
+                message: String::from("Registration check failed"),
+                data: Vec::new()
+            }));
+        }
+    };
+
+    if registration_enabled {
         let mut user = icarus_models::user::User {
             username: payload.username.clone(),
             password: payload.password.clone(),
@@ -119,7 +132,22 @@ pub async fn register_user(
     } else {
         (axum::http::StatusCode::NOT_ACCEPTABLE, Json(response::Response{
             message: String::from("Registration is not enabled"),
-            data:: Vec::new()
+            data: Vec::new()
         }))
     }
 }
+
+/// Checks to see if registration is enabled
+async fn is_registration_enabled() -> Result<bool, std::io::Error> {
+    let key = String::from("ENABLE_REGISTRATION");
+    let var = icarus_envy::environment::get_env(&key).await;
+    let parsed_value = var.value.to_uppercase();
+
+    if parsed_value == "TRUE" {
+        Ok(true)
+    } else if parsed_value == "FALSE" {
+        Ok(false)
+    } else {
+        Err(std::io::Error::other("Could not determine value of ENABLE_REGISTRATION"))
+    }
+}