Migrate server to CAS only

sync-server/src/server/responses.rs

@@ -1,9 +1,7 @@
 use serde::{self, Serialize};
 use ts_rs::TS;
 
-use crate::app_state::database::models::{
-    DocumentVersion, DocumentVersionWithoutContent, VaultUpdateId,
-};
+use crate::app_state::database::models::{DocumentVersion, DocumentVersionWithoutContent};
 
 /// Response to a ping request.
 #[derive(TS, Debug, Clone, Serialize)]
@@ -25,28 +23,14 @@ pub struct PingResponse {
     pub supported_api_version: u32,
 }
 
-/// Response to a fetch latest documents request.
-#[derive(TS, Debug, Clone, Serialize)]
-#[serde(rename_all = "camelCase")]
-#[ts(export)]
-pub struct FetchLatestDocumentsResponse {
-    pub latest_documents: Vec<DocumentVersionWithoutContent>,
-
-    /// The update ID of the latest document in the response.
-    pub last_update_id: VaultUpdateId,
-}
-
 /// Response to an update document request.
 #[derive(TS, Debug, Clone, Serialize)]
 #[serde(tag = "type")]
 #[ts(export)]
 pub enum DocumentUpdateResponse {
-    /// Returned when the created/updated document's content is the same as was
-    /// sent in the create/update request and thus the response doesn't contain
-    /// the content because the client must already have it.
-    FastForwardUpdate(DocumentVersionWithoutContent),
+    /// The exact snapshot was committed, or this is its original acknowledgement.
+    Accepted(DocumentVersionWithoutContent),
 
-    /// Returned when the created/updated document's content is different from
-    /// what was sent in the create/update request.
-    MergingUpdate(DocumentVersion),
+    /// Nothing was written. The client must incorporate this version before retrying.
+    StaleBase(DocumentVersion),
 }