Rewrite state machines

internal/torrent/refresh.go

@@ -1,6 +1,7 @@
 package torrent
 
 import (
+	"context"
 	"fmt"
 	"path/filepath"
 	"strings"
@@ -130,12 +131,10 @@ func (t *TorrentManager) refreshTorrents(isInitialRun bool) []string {
 	if t.Config.EnableRepair() {
 		if isInitialRun {
 			t.removeExpiredFixers(instances)
-			t.processFixers(instances)
-		} else {
-			t.workerPool.Submit(func() {
-				t.processFixers(instances)
-			})
 		}
+		t.workerPool.Submit(func() {
+			t.processFixers(instances)
+		})
 	}
 
 	return updatedPaths
@@ -198,7 +197,7 @@ func (t *TorrentManager) getMoreInfo(rdTorrent realdebrid.Torrent) *Torrent {
 		OriginalName: info.OriginalName,
 		Added:        info.Added,
 		Hash:         info.Hash,
-		State:        NewTorrentState("ok"),
+		State:        NewTorrentState("broken_torrent"),
 	}
 
 	// SelectedFiles is a subset of Files with only the selected ones
@@ -214,16 +213,23 @@ func (t *TorrentManager) getMoreInfo(rdTorrent realdebrid.Torrent) *Torrent {
 			File:  file,
 			Ended: info.Ended,
 			Link:  "", // no link yet, consider it broken
-			State: NewFileState("broken"),
+			State: NewFileState("broken_file"),
 		})
 	}
 	if len(selectedFiles) == len(info.Links) {
 		// all links are still intact! good!
 		for i, file := range selectedFiles {
 			file.Link = info.Links[i]
-			file.State.SetState("ok")
+			err := file.State.Event(context.Background(), "repair_file")
+			if err != nil {
+				t.log.Warnf("Cannot repair file %s: %v", file.Path, err)
+			}
 		}
 		torrent.UnassignedLinks = mapset.NewSet[string]()
+		err := torrent.State.Event(context.Background(), "repair_torrent")
+		if err != nil {
+			t.log.Warnf("Cannot repair torrent %s: %v", torrent.Hash, err)
+		}
 	} else {
 		torrent.UnassignedLinks = mapset.NewSet[string](info.Links...)
 	}
@@ -315,9 +321,12 @@ func (t *TorrentManager) mergeToMain(existing, toMerge *Torrent) *Torrent {
 	older.SelectedFiles.IterCb(func(key string, olderFile *File) {
 		if !mainTorrent.SelectedFiles.Has(key) {
 			mainTorrent.SelectedFiles.Set(key, olderFile)
-		} else if olderFile.State.Is("deleted") {
+		} else if olderFile.State.Is("deleted_file") {
 			newerFile, _ := mainTorrent.SelectedFiles.Get(key)
-			newerFile.State.SetState("deleted")
+			err := newerFile.State.Event(context.Background(), "delete_file")
+			if err != nil {
+				t.log.Warnf("Cannot delete file %s: %v", key, err)
+			}
 		}
 	})
 	t.CheckDeletedStatus(&mainTorrent)