refactor and to go mod

server/settings/torrent.go

@@ -0,0 +1,82 @@
+package settings
+
+import (
+	"encoding/json"
+	"sort"
+	"sync"
+
+	"github.com/anacrolix/torrent"
+	"github.com/anacrolix/torrent/metainfo"
+)
+
+type TorrentDB struct {
+	*torrent.TorrentSpec
+
+	Name   string `json:"name"`
+	Title  string `json:"title,omitempty"`
+	Poster string `json:"poster,omitempty"`
+	Data   string `json:"data,omitempty"`
+
+	Timestamp int64 `json:"timestamp,omitempty"`
+	Size      int64 `json:"size,omitempty"`
+}
+
+type File struct {
+	Name string `json:"name,omitempty"`
+	Id   int    `json:"id,omitempty"`
+	Size int64  `json:"size,omitempty"`
+}
+
+var mu sync.Mutex
+
+func AddTorrent(torr *TorrentDB) {
+	list := ListTorrent()
+	mu.Lock()
+	find := -1
+	for i, db := range list {
+		if db.InfoHash.HexString() == torr.InfoHash.HexString() {
+			find = i
+			break
+		}
+	}
+	if find != -1 {
+		list[find] = torr
+	} else {
+		list = append(list, torr)
+	}
+	for _, db := range list {
+		buf, err := json.Marshal(db)
+		if err == nil {
+			tdb.Set("Torrents", db.InfoHash.HexString(), buf)
+		}
+	}
+	mu.Unlock()
+}
+
+func ListTorrent() []*TorrentDB {
+	mu.Lock()
+	defer mu.Unlock()
+
+	var list []*TorrentDB
+	keys := tdb.List("Torrents")
+	for _, key := range keys {
+		buf := tdb.Get("Torrents", key)
+		if len(buf) > 0 {
+			var torr *TorrentDB
+			err := json.Unmarshal(buf, &torr)
+			if err == nil {
+				list = append(list, torr)
+			}
+		}
+	}
+	sort.Slice(list, func(i, j int) bool {
+		return list[i].Timestamp > list[j].Timestamp
+	})
+	return list
+}
+
+func RemTorrent(hash metainfo.Hash) {
+	mu.Lock()
+	tdb.Rem("Torrents", hash.HexString())
+	mu.Unlock()
+}