first implementation of /users/create

src/main.rs

@@ -2,6 +2,16 @@ use axum::{http::StatusCode, routing::get, routing::post, routing::put, Json, Ro
 
 use serde_json::{json, Value};
 
+use serde::Deserialize;
+
+use redis::Commands;
+
+#[derive(Deserialize)]
+pub struct CreateUser {
+    username: String,
+    password: String,
+}
+
 #[tokio::main]
 async fn main() {
     // build our application with a single route
@@ -24,7 +34,28 @@ async fn root() -> &'static str {
     "KOreader sync server"
 }
 
-async fn create_user() {}
+async fn create_user(Json(payload): Json<CreateUser>) -> (StatusCode, String) {
+    let client = redis::Client::open("redis://127.0.0.1/").unwrap();
+    let mut con = client.get_connection().unwrap();
+
+    let username = payload.username;
+    let password = payload.password;
+
+    let user_key = format!("user:{username}:key");
+
+    let does_exist: bool = con.exists(&user_key).unwrap();
+
+    if does_exist == false {
+        let _: () = con.set(&user_key, password).unwrap();
+    } else {
+        return (
+            StatusCode::PAYMENT_REQUIRED,
+            "Username is already registered.".to_owned(),
+        );
+    }
+
+    (StatusCode::CREATED, format!("username = {username}"))
+}
 
 async fn auth_user() {}
 
@@ -33,5 +64,5 @@ async fn update_progress() {}
 async fn get_progress() {}
 
 async fn healthcheck() -> (StatusCode, Json<Value>) {
-    (StatusCode::OK, Json(json!({ "state": "OK" })))
+    (StatusCode::OK, Json(json!({ "state" : "OK" })))
 }