Added filetime crate to handle file handle times

Cargo.toml

@@ -10,6 +10,7 @@ authors = ["Gregory Ballantine <gballantine@bitgoblin.tech>"]
 [dependencies]
 clap = { version = "3.2", features = ['derive'] }
 config = { version = "0.13", features = ['toml'] }
+filetime = "0.2"
 log = "0.4"
 log4rs = "1.1"
 toml = "0.5"

src/transcoder/repository.rs

@@ -1,6 +1,8 @@
 use std::fs;
 use std::path::Path;
 use log::{error, info};
+use filetime;
+use filetime::FileTime;
 
 pub struct Repository {
   pub base_dir: String,
@@ -58,6 +60,7 @@ impl Repository {
     match fs::copy(&ingest_file, &archive_file) {
       Ok(_) => {
         info!("Archiving video file {}.", ingest_file.to_str().unwrap());
+        copy_file_times(ingest_file.to_str().unwrap(), archive_file.to_str().unwrap());
       },
       Err(e) => {
         error!("Error archiving file {}: {}", ingest_file.to_str().unwrap(), e);
@@ -89,3 +92,14 @@ fn create_directory(path: &str) {
     }
   }
 }
+
+fn copy_file_times(old_file: &str, new_file: &str) {
+  // grab old file metadata
+  let old_metadata = fs::metadata(old_file).unwrap();
+  let mtime = FileTime::from_last_modification_time(&old_metadata);
+  let atime = FileTime::from_last_access_time(&old_metadata);
+
+  // set metadata on the new file
+  let new_path = Path::new(new_file);
+  filetime::set_file_times(new_path, atime, mtime).expect("Failed to set atime and mtime.");
+}