allow downloading individual files from bundle

src/upload.rs

@@ -93,9 +93,11 @@ impl Actor for Uploader {
 
 type Context = <Uploader as Actor>::Context;
 
+#[derive(Clone, Deserialize, Serialize)]
 pub struct UploadedFile {
     pub name: String,
     pub size: u64,
+    #[serde(with = "crate::timestamp")]
     pub modtime: OffsetDateTime,
 }
 
@@ -273,7 +275,7 @@ impl Uploader {
                 let (writer, name, size, modtime): (Box<dyn Write>, _, _, _) = if files.len() > 1 {
                     info!("Wrapping in zipfile generator");
                     let now = OffsetDateTime::now_utc();
-                    let zip_writer = super::zip::ZipGenerator::new(files, writer);
+                    let zip_writer = super::zip::ZipGenerator::new(files.clone(), writer);
                     let size = zip_writer.total_size();
                     let download_filename = super::APP_NAME.to_owned()
                         + &now.format(FILENAME_DATE_FORMAT).unwrap()
@@ -293,6 +295,7 @@ impl Uploader {
                     size,
                     modtime,
                     expiry: OffsetDateTime::now_utc() + lifetime * time::Duration::DAY,
+                    contents: if files.len() > 1 { Some(files) } else { None },
                 };
                 let state = self.app_state.clone();
                 let storage_filename = self.storage_filename.clone();