api::browse now returns json response

Cargo.lock

@@ -5,6 +5,7 @@ dependencies = [
  "iron 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "mount 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "router 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-serialize 0.3.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "staticfile 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.2.0 (git+https://github.com/servo/rust-url)",
 ]

Cargo.toml

@@ -9,6 +9,9 @@ version = "0.4.0"
 [dependencies.url]
 git = "https://github.com/servo/rust-url"
 
+[dependencies]
+rustc-serialize = "0.3"
+
 [dependencies]
 router = "*"
 staticfile = "*"

src/api/mod.rs

@@ -5,10 +5,19 @@ use std::ops::Deref;
 use iron::prelude::*;
 use iron::status;
 use mount::Mount;
+use rustc_serialize::json;
 use url::percent_encoding::percent_decode;
 
 use collection;
 
+impl From<collection::CollectionError> for IronError {
+    fn from(err: collection::CollectionError) -> IronError {
+        match err {
+            collection::CollectionError::Io(e) => IronError::new(e, status::NotFound)
+        }
+    }
+}
+
 pub fn get_api_handler() -> Mount {
     let mut mount = Mount::new();
     mount.mount("/browse/", self::browse)
@@ -25,11 +34,19 @@ fn path_from_request(request: &Request) -> Result<PathBuf, Utf8Error> {
 fn browse(request: &mut Request) -> IronResult<Response> {
     let path = path_from_request(request);
     if path.is_err() {
-        return Ok(Response::with((status::BadRequest)));
+        return Ok(Response::with(status::BadRequest));
     }
-    let browse_result = collection::browse(&path.unwrap());
-    println!("{:?}", browse_result.unwrap_or(vec![])); // TMP
-    Ok(Response::with((status::Ok, "TODO browse data here")))
+    let path = path.unwrap();
+    let browse_result = try!(collection::browse(&path));
+
+    let result_json = json::encode(&browse_result);
+    if result_json.is_err() {
+        return Ok(Response::with(status::InternalServerError));
+    }
+    let result_json = result_json.unwrap();
+
+    println!("{:?}", browse_result); // TMP
+    Ok(Response::with((status::Ok, result_json)))
 }
 
 fn flatten(request: &mut Request) -> IronResult<Response> {

src/collection/mod.rs

@@ -3,14 +3,16 @@ use std::io;
 use std::path::Path;
 use std::path::PathBuf;
 
-#[derive(Debug)]
-pub struct Song {
-    path: PathBuf,
-}
 
-#[derive(Debug)]
+#[derive(Debug, RustcEncodable)]
+pub struct Song(PathBuf);
+
+#[derive(Debug, RustcEncodable)]
+pub struct Directory(PathBuf);
+
+#[derive(Debug, RustcEncodable)]
 pub enum CollectionFile {
-    Directory(PathBuf),
+    Directory(Directory),
     Song(Song),
 }
 
@@ -36,10 +38,10 @@ pub fn browse(path: &Path) -> Result<Vec<CollectionFile>, CollectionError> {
         let file_meta = try!(file.metadata());
         let file_path = file.path().to_owned();
         if file_meta.is_file() {
-            let collection_file = CollectionFile::Song(Song {path: file_path });
+            let collection_file = CollectionFile::Song(Song(file_path));
             out.push(collection_file);
         } else if file_meta.is_dir() {
-            let collection_file = CollectionFile::Directory(file_path);
+            let collection_file = CollectionFile::Directory(Directory(file_path));
             out.push(collection_file);
         }
     }

src/main.rs

@@ -1,6 +1,7 @@
 extern crate core;
 extern crate iron;
 extern crate mount;
+extern crate rustc_serialize;
 extern crate staticfile;
 extern crate url;