- fix: issue where login failed to return the user if their role was null

- add: register route for api-service
- update: spawn a thread for the rest api in the api service

database-service/src/users.rs

@@ -3,6 +3,7 @@ use crate::redis_cache::{RedisCache, Cache}; // Import RedisCache and Cache Trai
 use serde::{Serialize, Deserialize};
 use std::sync::Arc;
 use tokio::sync::Mutex;
+use tracing::{debug};
 
 #[derive(Debug, FromRow, Serialize, Deserialize)]
 pub struct User {
@@ -10,7 +11,7 @@ pub struct User {
     pub username: String,
     pub email: String,
     pub hashed_password: String,
-    pub roles: Vec<String>,
+    pub roles: Option<Vec<String>>,
     pub created_at: chrono::NaiveDateTime,
     pub updated_at: chrono::NaiveDateTime,
 }
@@ -79,19 +80,21 @@ impl UserRepository {
         Ok(user)
     }
 
-    pub async fn create_user(&self, username: &str, email: &str, hashed_password: &str, roles: &[String]) -> Result<i32, sqlx::Error> {
-        let row = sqlx::query(
-            "INSERT INTO users (username, email, hashed_password, roles, created_at, updated_at) \
-             VALUES ($1, $2, $3, $4, NOW(), NOW()) RETURNING id",
+    pub async fn create_user(&self, username: &str, email: &str, hashed_password: &str) -> Result<i32, sqlx::Error> {
+        let result = sqlx::query!(
+            r#"
+            INSERT INTO users (username, email, hashed_password)
+            VALUES ($1, $2, $3)
+            RETURNING id
+            "#,
+            username,
+            email,
+            hashed_password
         )
-            .bind(username)
-            .bind(email)
-            .bind(hashed_password)
-            .bind(roles)
             .fetch_one(&self.pool)
             .await?;
 
-        Ok(row.get("id"))
+        Ok(result.id)
     }
 
     pub async fn update_user_email(&self, user_id: i32, new_email: &str) -> Result<(), sqlx::Error> {