Do not repair if uncached check fails

internal/torrent/uncached.go

@@ -0,0 +1,56 @@
+package torrent
+
+import (
+	"fmt"
+
+	mapset "github.com/deckarep/golang-set/v2"
+)
+
+func (t *TorrentManager) getUncachedTorrents() ([]*Torrent, error) {
+	t.log.Debug("Checking if torrents are still cached")
+	allTorrents, _ := t.DirectoryMap.Get(INT_ALL)
+
+	var hashGroups []mapset.Set[string]
+	const maxGroupSize = 399
+
+	currentGroup := mapset.NewSet[string]()
+	hashGroups = append(hashGroups, currentGroup)
+
+	allTorrents.IterCb(func(_ string, torrent *Torrent) {
+		if torrent.AnyInProgress() || torrent.UnrepairableReason != "" {
+			return
+		}
+
+		if currentGroup.Cardinality() >= maxGroupSize {
+			currentGroup = mapset.NewSet[string]()
+			hashGroups = append(hashGroups, currentGroup)
+		}
+		currentGroup.Add(torrent.Hash)
+	})
+
+	var availabilityChecks = make(map[string]bool)
+	for i := range hashGroups {
+		if hashGroups[i].Cardinality() == 0 {
+			break
+		}
+
+		resp, err := t.Api.AvailabilityCheck(hashGroups[i].ToSlice())
+		if err != nil {
+			return nil, fmt.Errorf("availability check is incomplete, skipping uncached check: %v", err)
+		}
+		for hash, hosterHash := range resp {
+			// Check if HosterHash is a map (Variants field is used)
+			availabilityChecks[hash] = len(hosterHash.Variants) > 0
+		}
+	}
+
+	var uncachedTorrents []*Torrent
+	allTorrents.IterCb(func(_ string, torrent *Torrent) {
+		if _, ok := availabilityChecks[torrent.Hash]; !ok || !availabilityChecks[torrent.Hash] {
+			uncachedTorrents = append(uncachedTorrents, torrent)
+		}
+	})
+	t.log.Debugf("Found %d torrents that are no longer cached", len(uncachedTorrents))
+
+	return uncachedTorrents, nil
+}