remove anyhow refs & implement missing errors

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

@@ -0,0 +1,49 @@
+use meilisearch_error::{Code, ErrorCode};
+
+use crate::index::error::IndexError;
+
+pub type Result<T> = std::result::Result<T, IndexActorError>;
+
+#[derive(thiserror::Error, Debug)]
+pub enum IndexActorError {
+    #[error("index error: {0}")]
+    IndexError(#[from] IndexError),
+    #[error("index already exists")]
+    IndexAlreadyExists,
+    #[error("Index doesn't exists")]
+    UnexistingIndex,
+    #[error("Existing primary key")]
+    ExistingPrimaryKey,
+    #[error("Internal Index Error: {0}")]
+    Internal(Box<dyn std::error::Error + Send + Sync + 'static>),
+}
+
+macro_rules! internal_error {
+    ($($other:path), *) => {
+        $(
+            impl From<$other> for IndexActorError {
+                fn from(other: $other) -> Self {
+                    Self::Internal(Box::new(other))
+                }
+            }
+        )*
+    }
+}
+
+internal_error!(
+    heed::Error,
+    tokio::task::JoinError,
+    std::io::Error
+);
+
+impl ErrorCode for IndexActorError {
+    fn error_code(&self) -> Code {
+        match self {
+            IndexActorError::IndexError(e) => e.error_code(),
+            IndexActorError::IndexAlreadyExists => Code::IndexAlreadyExists,
+            IndexActorError::UnexistingIndex => Code::IndexNotFound,
+            IndexActorError::ExistingPrimaryKey => Code::PrimaryKeyAlreadyPresent,
+            IndexActorError::Internal(_) => Code::Internal,
+        }
+    }
+}