implement files list

src/main.rs

@@ -16,6 +16,7 @@ use std::{
     fs::File,
     io::{Read, Write},
     net::{SocketAddr, TcpListener, TcpStream},
+    path::PathBuf,
     str::FromStr,
     sync::Arc,
     thread,
@@ -301,7 +302,7 @@ fn index(config: &Config, public: &Public, page: Option<usize>) -> Result<String
         b.push(format!(
             "{} • {} • {}\n",
             torrent.time.format(&config.date),
-            format::size(&i),
+            format::total(&i),
             format::files(&i),
         ))
     }
@@ -335,6 +336,19 @@ fn index(config: &Config, public: &Public, page: Option<usize>) -> Result<String
 }
 
 fn info(config: &Config, torrent: Torrent) -> Result<String> {
+    struct File {
+        path: Option<PathBuf>,
+        length: u64,
+    }
+    impl File {
+        pub fn path(&self) -> String {
+            self.path
+                .as_ref()
+                .map(|p| p.to_string_lossy().into())
+                .unwrap_or("?".into())
+        }
+    }
+
     let i: TorrentMetaV1Owned = torrent_from_bytes(&torrent.bytes)?;
 
     let mut b = Vec::new();
@@ -351,7 +365,7 @@ fn info(config: &Config, torrent: Torrent) -> Result<String> {
     b.push(format!(
         "{} • {} • {}\n",
         torrent.time.format(&config.date),
-        format::size(&i),
+        format::total(&i),
         format::files(&i),
     ));
 
@@ -360,5 +374,29 @@ fn info(config: &Config, torrent: Torrent) -> Result<String> {
         format::magnet(&i, config.tracker.as_ref())
     ));
 
+    if let Some(files) = i.info.files.map(|files| {
+        let mut b = Vec::with_capacity(files.len());
+        for f in files {
+            let mut p = std::path::PathBuf::new();
+            b.push(File {
+                length: f.length,
+                path: match f.full_path(&mut p) {
+                    Ok(()) => Some(p),
+                    Err(e) => {
+                        warn!("Filename decode error: {e}");
+                        None
+                    }
+                },
+            })
+        }
+        b.sort_by(|a, b| a.path.cmp(&b.path)); // @TODO optional
+        b
+    }) {
+        b.push("## Files".into());
+        for file in files {
+            b.push(format!("* {} ({})", file.path(), format::size(file.length)));
+        }
+    }
+
     Ok(b.join("\n"))
 }