Wait, file_size in recv is completely useless

src/filetransfer/mod.rs

@@ -196,5 +196,5 @@ pub trait FileTransfer {
     ///
     /// Receive file from remote with provided name
     /// Returns file and its size
-    fn recv_file(&self, file_name: &Path) -> Result<(Box<dyn Read>, usize), FileTransferError>;
+    fn recv_file(&self, file_name: &Path) -> Result<Box<dyn Read>, FileTransferError>;
 }

src/filetransfer/sftp_transfer.rs

@@ -32,7 +32,7 @@ use crate::fs::{FsDirectory, FsEntry, FsFile};
 
 // Includes
 use ssh2::{FileStat, Session, Sftp};
-use std::io::{Read, Seek, Write};
+use std::io::{Read, Write};
 use std::net::TcpStream;
 use std::path::{Path, PathBuf};
 use std::time::{Duration, SystemTime};
@@ -433,7 +433,7 @@ impl FileTransfer for SftpFileTransfer {
     /// ### recv_file
     ///
     /// Receive file from remote with provided name
-    fn recv_file(&self, file_name: &Path) -> Result<(Box<dyn Read>, usize), FileTransferError> {
+    fn recv_file(&self, file_name: &Path) -> Result<Box<dyn Read>, FileTransferError> {
         match self.sftp.as_ref() {
             None => Err(FileTransferError::new(FileTransferErrorType::UninitializedSession)),
             Some(sftp) => {
@@ -444,15 +444,7 @@ impl FileTransfer for SftpFileTransfer {
                 };
                 // Open remote file
                 match sftp.open(remote_path.as_path()) {
-                    Ok(mut file) => {
+                    Ok(file) => Ok(Box::new(file)),
-                        let file_size: usize =
-                            file.seek(std::io::SeekFrom::End(0)).unwrap_or(0) as usize;
-                        // rewind
-                        if let Err(err) = file.seek(std::io::SeekFrom::Start(0)) {
-                            return Err(FileTransferError::new(FileTransferErrorType::IoErr(err)));
-                        }
-                        Ok((Box::new(file), file_size))
-                    }
                     Err(err) => Err(FileTransferError::new_ex(FileTransferErrorType::NoSuchFileOrDirectory, format!("{}", err))),
                 }
             }

src/ui/activities/filetransfer_activity/session.rs

@@ -299,7 +299,7 @@ impl FileTransferActivity {
                     Ok(mut local_file) => {
                         // Download file from remote
                         match self.client.recv_file(file.abs_path.as_path()) {
-                            Ok((mut rhnd, file_size)) => {
+                            Ok(mut rhnd) => {
                                 // Set popup progress
                                 self.input_mode = InputMode::Popup(PopupType::Progress(format!(
                                     "Downloading \"{}\"...",
@@ -340,7 +340,7 @@ impl FileTransferActivity {
                                         ),
                                     }
                                     // Set progress
-                                    self.set_progress(total_bytes_written, file_size);
+                                    self.set_progress(total_bytes_written, file.size);
                                     // Draw only if a significant progress has been made (performance improvement)
                                     if last_progress_val + 0.5 >= self.transfer_progress {
                                         // Draw