udpate actor error improvements

meilisearch-http/src/index_controller/update_actor/mod.rs

@@ -5,6 +5,7 @@ mod update_store;
 
 use std::{collections::HashSet, path::PathBuf};
 
+use actix_http::error::PayloadError;
 use thiserror::Error;
 use tokio::sync::mpsc;
 use uuid::Uuid;
@@ -14,23 +15,44 @@ use crate::index_controller::{UpdateMeta, UpdateStatus};
 use actor::UpdateActor;
 use message::UpdateMsg;
 
-pub use update_store::{UpdateStore, UpdateStoreInfo};
 pub use handle_impl::UpdateActorHandleImpl;
+pub use update_store::{UpdateStore, UpdateStoreInfo};
 
 pub type Result<T> = std::result::Result<T, UpdateError>;
-type PayloadData<D> = std::result::Result<D, Box<dyn std::error::Error + Sync + Send + 'static>>;
+type PayloadData<D> = std::result::Result<D, PayloadError>;
 
 #[cfg(test)]
 use mockall::automock;
 
 #[derive(Debug, Error)]
 pub enum UpdateError {
-    #[error("error with update: {0}")]
-    Error(Box<dyn std::error::Error + Sync + Send + 'static>),
     #[error("Update {0} doesn't exist.")]
     UnexistingUpdate(u64),
+    #[error("Internal error processing update: {0}")]
+    Internal(String),
 }
 
+macro_rules! internal_error {
+    ($($other:path), *) => {
+        $(
+            impl From<$other> for UpdateError {
+                fn from(other: $other) -> Self {
+                    Self::Internal(other.to_string())
+                }
+            }
+        )*
+    }
+}
+
+internal_error!(
+    heed::Error,
+    std::io::Error,
+    serde_json::Error,
+    PayloadError,
+    tokio::task::JoinError,
+    anyhow::Error
+);
+
 #[async_trait::async_trait]
 #[cfg_attr(test, automock(type Data=Vec<u8>;))]
 pub trait UpdateActorHandle {