src/tui/app/machine/fetch_state.rs

@@ -1,33 +1,18 @@
-use std::{
-    collections::VecDeque,
-    sync::{
-        mpsc::{self, TryRecvError},
-        Arc, Mutex,
-    },
-    thread, time,
-};
+use std::{collections::VecDeque, sync::mpsc::{self, TryRecvError}};
 
-use musichoard::collection::{
-    album::AlbumMeta,
-    artist::{Artist, ArtistMeta},
-    musicbrainz::{IMusicBrainzRef, Mbid},
-};
+use musichoard::collection::{artist::Artist, musicbrainz::IMusicBrainzRef};
 
 use crate::tui::{
     app::{
         machine::{match_state::MatchState, App, AppInner, AppMachine},
         AppPublicState, AppState, IAppEventFetch, IAppInteractFetch, MatchStateInfo,
     },
-    event::{Event, EventSender},
     lib::{
         external::musicbrainz::daemon::{
             ApiParams, Job, JobInstance, JobPriority, ReturnSender, SearchArtistParams,
             SearchParams, SearchReleaseGroupParams,
         },
-        interface::musicbrainz::{
-            self,
-            api::{Error as MbError, IMusicBrainz},
-        },
+        interface::musicbrainz::api::Error as MbError,
     },
 };
 
@@ -43,7 +28,6 @@ impl FetchState {
 
 pub type FetchError = MbError;
 pub type FetchResult = Result<MatchStateInfo, FetchError>;
-pub type FetchSender = mpsc::Sender<FetchResult>;
 pub type FetchReceiver = mpsc::Receiver<FetchResult>;
 
 impl AppMachine<FetchState> {
@@ -115,58 +99,6 @@ impl AppMachine<FetchState> {
         let job = Job::new(JobPriority::Background, JobInstance::new(tx, queue));
         inner.musicbrainz.send(job);
     }
-
-    fn fetch_artist(
-        musicbrainz: Arc<Mutex<dyn IMusicBrainz + Send>>,
-        fetch_tx: FetchSender,
-        events: EventSender,
-        artist: ArtistMeta,
-    ) {
-        let result = musicbrainz.lock().unwrap().search_artist(&artist);
-        let result = result.map(|list| MatchStateInfo::artist(artist, list));
-        Self::send_fetch_result(&fetch_tx, &events, result).ok();
-    }
-
-    fn fetch_albums(
-        musicbrainz: Arc<Mutex<dyn IMusicBrainz + Send>>,
-        fetch_tx: FetchSender,
-        events: EventSender,
-        arid: Mbid,
-        albums: Vec<AlbumMeta>,
-    ) {
-        let mut musicbrainz = musicbrainz.lock().unwrap();
-        let mut album_iter = albums.into_iter().peekable();
-        while let Some(album) = album_iter.next() {
-            if album.musicbrainz.is_some() {
-                continue;
-            }
-
-            let result = musicbrainz.search_release_group(&arid, &album);
-            let result = result.map(|list| MatchStateInfo::album(album, list));
-            if Self::send_fetch_result(&fetch_tx, &events, result).is_err() {
-                return;
-            };
-
-            if album_iter.peek().is_some() {
-                thread::sleep(time::Duration::from_secs(1));
-            }
-        }
-    }
-
-    fn send_fetch_result(
-        fetch_tx: &FetchSender,
-        events: &EventSender,
-        result: Result<MatchStateInfo, musicbrainz::api::Error>,
-    ) -> Result<(), ()> {
-        // If receiver disconnects just drop the rest.
-        fetch_tx.send(result).map_err(|_| ())?;
-
-        // If this send fails the event listener is dead. Don't panic as this function runs in a
-        // detached thread so this might be happening during normal shut down.
-        events.send(Event::FetchResultReady).map_err(|_| ())?;
-
-        Ok(())
-    }
 }
 
 impl From<AppMachine<FetchState>> for App {

src/tui/app/machine/mod.rs

@@ -8,16 +8,14 @@ mod match_state;
 mod reload_state;
 mod search_state;
 
-use std::sync::{mpsc, Arc, Mutex};
+use std::sync::mpsc;
 
 use crate::tui::{
     app::{
         selection::Selection, AppMode, AppPublic, AppPublicInner, AppPublicState, AppState, IApp,
         IAppAccess, IAppBase, IAppState,
     },
-    event::EventSender,
-    lib::{external::musicbrainz::daemon::Job, interface::musicbrainz::api::IMusicBrainz, IMusicHoard},
-    RequestChannel,
+    lib::{external::musicbrainz::daemon::Job, IMusicHoard},
 };
 
 use browse_state::BrowseState;

src/tui/lib/external/musicbrainz/daemon/mod.rs

@@ -163,14 +163,14 @@ impl MusicBrainzDaemon {
         api: MB,
         request_receiver: mpsc::Receiver<Job>,
         events: EventSender,
-    ) {
+    ) -> Result<(), Error> {
         let daemon = MusicBrainzDaemon {
             api: Box::new(api),
             request_receiver,
             job_queue: JobQueue::new(),
             events,
         };
-        daemon.main();
+        daemon.main()
     }
 
     fn wait_for_jobs(&mut self) -> Result<(), Error> {
@@ -195,13 +195,12 @@ impl MusicBrainzDaemon {
     }
 
     fn execute_next_job(&mut self) -> Option<()> {
-        while let Some(instance) = self.job_queue.front_mut() {
-            match instance.execute_next(&mut self.api, &mut self.events) {
-                Some(()) => return Some(()),
-                None => {
+        if let Some(instance) = self.job_queue.front_mut() {
+            let result = instance.execute_next(&mut self.api, &mut self.events);
+            if result.is_none() {
                 self.job_queue.pop_front();
             }
-            }
+            return Some(());
         }
         None
     }