dynamic_db (#17)

Reviewed-on: #17
Co-authored-by: phoenix <kundeng94@gmail.com>
Co-committed-by: phoenix <kundeng94@gmail.com>

src/repo/mod.rs

@@ -0,0 +1,20 @@
+pub mod user {
+    use crate::models;
+
+    pub async fn insert(
+        pool: &sqlx::PgPool,
+        user: &models::common::User,
+    ) -> Result<uuid::Uuid, sqlx::Error> {
+        let insert_sql = "INSERT INTO \"user\" (username, password) VALUES ($1, $2) RETURNING id";
+
+        match sqlx::query_scalar(insert_sql)
+            .bind(&user.username) // Bind the input message securely
+            .bind(&user.password)
+            .fetch_one(pool) // Execute and expect exactly ONE row with ONE column back
+            .await
+        {
+            Ok(o) => Ok(o),
+            Err(err) => Err(err), // _ => uuid::Uuid::nil(),
+        }
+    }
+}