initial commit

src/errors.rs

@@ -0,0 +1,34 @@
+use axum::{
+    http::StatusCode,
+    response::{IntoResponse, Response},
+};
+use sqlx::Error as SqlxError;
+use thiserror::Error;
+
+#[derive(Error, Debug)]
+pub enum AppError {
+    #[error("Account not found: {0}")]
+    AccountNotFound(i64),
+    #[error("Account already exists")]
+    AccountAlreadyExists,
+    #[error("Insufficient funds")]
+    InsufficientFunds,
+    #[error("Database error: {0}")]
+    DatabaseError(#[from] SqlxError),
+    #[error("Invalid input: {0}")]
+    InvalidInput(String),
+}
+
+impl IntoResponse for AppError {
+    fn into_response(self) -> Response {
+        let status = match self {
+            AppError::AccountNotFound(_) => StatusCode::NOT_FOUND,
+            AppError::InsufficientFunds => StatusCode::BAD_REQUEST,
+            AppError::AccountAlreadyExists => StatusCode::BAD_REQUEST,
+            AppError::DatabaseError(_) => StatusCode::INTERNAL_SERVER_ERROR,
+            AppError::InvalidInput(_) => StatusCode::BAD_REQUEST,
+        };
+
+        (status, self.to_string()).into_response()
+    }
+}