Differentiate between document sort error and search sort error

crates/meilisearch-types/src/error.rs

@@ -483,7 +483,8 @@ impl ErrorCode for milli::Error {
                     UserError::InvalidVectorsMapType { .. }
                     | UserError::InvalidVectorsEmbedderConf { .. } => Code::InvalidVectorsType,
                     UserError::TooManyVectors(_, _) => Code::TooManyVectors,
-                    UserError::SortError(_) => Code::InvalidSearchSort,
+                    UserError::SortError { search: true, .. } => Code::InvalidSearchSort,
+                    UserError::SortError { search: false, .. } => Code::InvalidDocumentSort,
                     UserError::InvalidMinTypoWordLenSetting(_, _) => {
                         Code::InvalidSettingsTypoTolerance
                     }

crates/meilisearch/src/routes/indexes/documents.rs

@@ -663,7 +663,7 @@ fn documents_by_query(
         let sorts: Vec<_> = match sort.iter().map(|s| milli::AscDesc::from_str(s)).collect() {
             Ok(sorts) => sorts,
             Err(asc_desc_error) => {
-                return Err(milli::Error::from(milli::SortError::from(asc_desc_error)).into())
+                return Err(milli::SortError::from(asc_desc_error).into_documents_error().into())
             }
         };
         Some(sorts)

crates/meilisearch/src/search/federated/perform.rs

@@ -745,10 +745,9 @@ impl SearchByIndex {
                         match sort.iter().map(|s| milli::AscDesc::from_str(s)).collect() {
                             Ok(sorts) => sorts,
                             Err(asc_desc_error) => {
-                                return Err(milli::Error::from(milli::SortError::from(
-                                    asc_desc_error,
-                                ))
-                                .into())
+                                return Err(milli::SortError::from(asc_desc_error)
+                                    .into_search_error()
+                                    .into())
                             }
                         };
                     Some(sorts)

crates/meilisearch/src/search/mod.rs

@@ -1060,7 +1060,7 @@ pub fn prepare_search<'t>(
         let sort = match sort.iter().map(|s| AscDesc::from_str(s)).collect() {
             Ok(sorts) => sorts,
             Err(asc_desc_error) => {
-                return Err(milli::Error::from(SortError::from(asc_desc_error)).into())
+                return Err(SortError::from(asc_desc_error).into_search_error().into())
             }
         };
 

crates/milli/src/asc_desc.rs

@@ -168,6 +168,16 @@ pub enum SortError {
     ReservedNameForFilter { name: String },
 }
 
+impl SortError {
+    pub fn into_search_error(self) -> Error {
+        Error::UserError(UserError::SortError { error: self, search: true })
+    }
+
+    pub fn into_documents_error(self) -> Error {
+        Error::UserError(UserError::SortError { error: self, search: false })
+    }
+}
+
 impl From<AscDescError> for SortError {
     fn from(error: AscDescError) -> Self {
         match error {
@@ -190,12 +200,6 @@ impl From<AscDescError> for SortError {
     }
 }
 
-impl From<SortError> for Error {
-    fn from(error: SortError) -> Self {
-        Self::UserError(UserError::SortError(error))
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use big_s::S;

crates/milli/src/error.rs

@@ -272,8 +272,8 @@ and can not be more than 511 bytes.", .document_id.to_string()
     PrimaryKeyCannotBeChanged(String),
     #[error(transparent)]
     SerdeJson(serde_json::Error),
-    #[error(transparent)]
-    SortError(#[from] SortError),
+    #[error("{error}")]
+    SortError { error: SortError, search: bool },
     #[error("An unknown internal document id have been used: `{document_id}`.")]
     UnknownInternalDocumentId { document_id: DocumentId },
     #[error("`minWordSizeForTypos` setting is invalid. `oneTypo` and `twoTypos` fields should be between `0` and `255`, and `twoTypos` should be greater or equals to `oneTypo` but found `oneTypo: {0}` and twoTypos: {1}`.")]

crates/milli/src/facet/facet_sort_recursive.rs

@@ -411,7 +411,7 @@ pub fn recursive_facet_sort<'ctx>(
         // FIXME: Should this return an error if the field is not found?
     }
 
-    let geo_candidates = if need_geo_candidates {        
+    let geo_candidates = if need_geo_candidates {
         index.geo_faceted_documents_ids(rtxn)?
     } else {
         RoaringBitmap::new()