Add ping endpoint

backend/sync_server/src/database/models.rs

@@ -52,6 +52,12 @@ impl From<StoredDocumentVersion> for DocumentVersionWithoutContent {
     }
 }
 
+#[derive(Debug, Clone, Serialize, JsonSchema)]
+#[serde(rename_all = "camelCase")]
+pub struct PingResponse {
+    pub server_version: String,
+}
+
 #[derive(Debug, Clone, Serialize, JsonSchema)]
 #[serde(rename_all = "camelCase")]
 pub struct DocumentVersion {

backend/sync_server/src/server.rs

@@ -22,6 +22,7 @@ mod create_document;
 mod delete_document;
 mod fetch_latest_document_version;
 mod fetch_latest_documents;
+mod ping;
 mod requests;
 mod update_document;
 
@@ -40,6 +41,7 @@ pub async fn create_server(app_state: AppState) -> Result<()> {
     };
 
     let app = ApiRouter::new()
+        .api_route("/ping", get(ping::ping))
         .api_route(
             "/vaults/:vault_id/documents",
             get(fetch_latest_documents::fetch_latest_documents),

backend/sync_server/src/server/ping.rs

@@ -0,0 +1,10 @@
+use axum::Json;
+
+use crate::{database::models::PingResponse, errors::SyncServerError};
+
+#[axum::debug_handler]
+pub async fn ping() -> Result<Json<PingResponse>, SyncServerError> {
+    Ok(Json(PingResponse {
+        server_version: env!("CARGO_PKG_VERSION").to_string(),
+    }))
+}