show display name owning the current library

as suggested in #470

src/library.rs

@@ -34,6 +34,7 @@ pub struct Library {
     pub shows: Arc<RwLock<Vec<Show>>>,
     pub is_done: Arc<RwLock<bool>>,
     pub user_id: Option<String>,
+    pub display_name: Option<String>,
     ev: EventManager,
     spotify: Arc<Spotify>,
     pub cfg: Arc<Config>,
@@ -41,7 +42,9 @@ pub struct Library {
 
 impl Library {
     pub fn new(ev: &EventManager, spotify: Arc<Spotify>, cfg: Arc<Config>) -> Self {
-        let user_id = spotify.current_user().map(|u| u.id);
+        let current_user = spotify.current_user();
+        let user_id = current_user.as_ref().map(|u| u.id.clone());
+        let display_name = current_user.as_ref().and_then(|u| u.display_name.clone());
 
         let library = Self {
             tracks: Arc::new(RwLock::new(Vec::new())),
@@ -51,6 +54,7 @@ impl Library {
             shows: Arc::new(RwLock::new(Vec::new())),
             is_done: Arc::new(RwLock::new(false)),
             user_id,
+            display_name,
             ev: ev.clone(),
             spotify,
             cfg,

src/ui/library.rs

@@ -14,6 +14,7 @@ use crate::ui::tabview::TabView;
 
 pub struct LibraryView {
     tabs: TabView,
+    display_name: Option<String>,
 }
 
 impl LibraryView {
@@ -45,7 +46,10 @@ impl LibraryView {
                 ListView::new(library.shows.clone(), queue, library.clone()),
             );
 
-        Self { tabs }
+        Self {
+            tabs,
+            display_name: library.display_name.clone(),
+        }
     }
 }
 
@@ -55,7 +59,11 @@ impl ViewWrapper for LibraryView {
 
 impl ViewExt for LibraryView {
     fn title(&self) -> String {
-        "Library".to_string()
+        if let Some(name) = &self.display_name {
+            format!("Library of {}", name)
+        } else {
+            "Library".to_string()
+        }
     }
 
     fn on_command(&mut self, s: &mut Cursive, cmd: &Command) -> Result<CommandResult, String> {