Move crates under a sub folder to clean up the code

crates/meilisearch-auth/src/error.rs

@@ -0,0 +1,33 @@
+use std::error::Error;
+
+use meilisearch_types::error::{Code, ErrorCode};
+use meilisearch_types::internal_error;
+
+pub type Result<T> = std::result::Result<T, AuthControllerError>;
+
+#[derive(Debug, thiserror::Error)]
+pub enum AuthControllerError {
+    #[error("API key `{0}` not found.")]
+    ApiKeyNotFound(String),
+    #[error("`uid` field value `{0}` is already an existing API key.")]
+    ApiKeyAlreadyExists(String),
+    #[error("Internal error: {0}")]
+    Internal(Box<dyn Error + Send + Sync + 'static>),
+}
+
+internal_error!(
+    AuthControllerError: meilisearch_types::milli::heed::Error,
+    std::io::Error,
+    serde_json::Error,
+    std::str::Utf8Error
+);
+
+impl ErrorCode for AuthControllerError {
+    fn error_code(&self) -> Code {
+        match self {
+            Self::ApiKeyNotFound(_) => Code::ApiKeyNotFound,
+            Self::ApiKeyAlreadyExists(_) => Code::ApiKeyAlreadyExists,
+            Self::Internal(_) => Code::Internal,
+        }
+    }
+}