feat(grpc): call walk_dir from grpc service

src/grpc/server.rs

@@ -1,8 +1,12 @@
+use crate::file_explorer;
+
 use super::grpc_juno;
 use grpc_juno::juno_request_server::{JunoRequest, JunoRequestServer};
-use grpc_juno::{PingRequestMessage, PingResponseMessage};
+use grpc_juno::{GetFilesRequest, GetFilesResponse, PingRequestMessage, PingResponseMessage};
 use std::error::Error;
 use std::net::SocketAddr;
+use std::path::PathBuf;
+use std::str::FromStr;
 use tonic::transport::Server;
 use tonic::{async_trait, Request, Response, Result, Status};
 
@@ -29,6 +33,26 @@ impl JunoRequest for GRPCServer {
 
         Ok(Response::new(reply))
     }
+
+    async fn get_files(
+        &self,
+        request: Request<GetFilesRequest>,
+    ) -> Result<Response<GetFilesResponse>, Status> {
+        let path = PathBuf::from_str(request.into_inner().path.as_str())
+            .expect("Failed to create pathbuf");
+
+        let files = match file_explorer::walk_dir(&path) {
+            Ok(files) => files,
+            Err(_err) => panic!("Error reading path: {:?}", path),
+        };
+        eprintln!("DEBUGPRINT[2]: server.rs:44: files={:#?}", files);
+
+        let reply = GetFilesResponse {
+            files: files.iter().map(|x| x.display().to_string()).collect(),
+        };
+
+        Ok(Response::new(reply))
+    }
 }
 
 #[async_trait]