move tune selection logic

src/main.rs

@@ -10,10 +10,8 @@ extern crate rocket_contrib;
 extern crate serde_derive;
 
 mod static_files;
-// mod tunes;
+mod tunes;
 
-use glob::glob;
-use rand::Rng;
 use rocket_contrib::Template;
 
 #[derive(Serialize)]
@@ -40,33 +38,15 @@ fn index() -> Template {
 fn random() -> Template {
     println!("looking for a random tune...");
 
-    // let (file_name, file_title) = tunes::random_tune();
-
-    let files = glob("static/sound/*.mp3")
-        .expect("Failed to read glob pattern")
-        .collect::<Vec<_>>();
-
-    let chosen_one = match *rand::thread_rng().choose(&files).unwrap() {
-        Ok(ref path) => path,
-        Err(_) => panic!(""),
-    };
-
-    println!("getting tune information...");
-
-    let file_name = chosen_one.file_name().unwrap().to_str().unwrap();
-    let file_title = chosen_one.file_stem().unwrap().to_str().unwrap();
-
-    println!("building context...");
+    let (file_name, file_title) = tunes::random_tune();
 
     let context = RandomContext {
         title: String::from(format!("♪ {}", file_title)),
-        music_file: String::from(file_name),
-        music_title: String::from(file_title),
+        music_file: file_name,
+        music_title: file_title,
         interval: 3,
     };
 
-    println!("rendering template...");
-
     Template::render("random", &context)
 }
 

src/tunes.rs

@@ -6,21 +6,21 @@ use glob::GlobError;
 use rand::Rng;
 
 pub fn all() -> Vec<Result<PathBuf, GlobError>> {
-    glob("static/sound/*.opus")
+    glob("static/sound/*.mp3")
         .expect("Failed to read glob pattern")
         .collect::<Vec<_>>()
 }
 
-pub fn random_tune<'a>() -> (&'a str, &'a str) {
+pub fn random_tune() -> (String, String) {
     let all_files = all();
 
     let chosen_one = match *rand::thread_rng().choose(&all_files).unwrap() {
-        Ok(ref path) => path,
+        Ok(ref path) => path.to_owned(),
         Err(_) => panic!(""),
     };
 
-    let file_name = chosen_one.file_name().unwrap().to_str().unwrap();
-    let file_title = chosen_one.file_stem().unwrap().to_str().unwrap();
+    let file_name = chosen_one.file_name().unwrap().to_str().unwrap().to_owned();
+    let file_title = chosen_one.file_stem().unwrap().to_str().unwrap().to_owned();
 
     return (file_name, file_title);
 }