remove anyhow refs & implement missing errors

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

@@ -0,0 +1,64 @@
+use std::error::Error;
+
+use meilisearch_error::{Code, ErrorCode};
+
+use crate::index_controller::index_actor::error::IndexActorError;
+
+pub type Result<T> = std::result::Result<T, UpdateActorError>;
+
+#[derive(Debug, thiserror::Error)]
+pub enum UpdateActorError {
+    #[error("Update {0} doesn't exist.")]
+    UnexistingUpdate(u64),
+    #[error("Internal error processing update: {0}")]
+    Internal(Box<dyn Error + Send + Sync + 'static>),
+    #[error("error with index: {0}")]
+    IndexActor(#[from] IndexActorError),
+    #[error(
+        "Update store was shut down due to a fatal error, please check your logs for more info."
+    )]
+    FatalUpdateStoreError,
+}
+
+macro_rules! internal_error {
+    ($($other:path), *) => {
+        $(
+            impl From<$other> for UpdateActorError {
+                fn from(other: $other) -> Self {
+                    Self::Internal(Box::new(other))
+                }
+            }
+        )*
+    }
+}
+
+impl<T> From<tokio::sync::mpsc::error::SendError<T>> for UpdateActorError {
+    fn from(_: tokio::sync::mpsc::error::SendError<T>) -> Self {
+        Self::FatalUpdateStoreError
+    }
+}
+
+impl From<tokio::sync::oneshot::error::RecvError> for UpdateActorError {
+    fn from(_: tokio::sync::oneshot::error::RecvError) -> Self {
+        Self::FatalUpdateStoreError
+    }
+}
+
+internal_error!(
+    heed::Error,
+    std::io::Error,
+    serde_json::Error,
+    actix_http::error::PayloadError,
+    tokio::task::JoinError
+);
+
+impl ErrorCode for UpdateActorError {
+    fn error_code(&self) -> Code {
+        match self {
+            UpdateActorError::UnexistingUpdate(_) => Code::NotFound,
+            UpdateActorError::Internal(_) => Code::Internal,
+            UpdateActorError::IndexActor(e) => e.error_code(),
+            UpdateActorError::FatalUpdateStoreError => Code::Internal,
+        }
+    }
+}