Allow repair from ok torrent

fsm notes.txt

@@ -0,0 +1,46 @@
+break_torrent
+- TriggerRepair
+
+repair_torrent
+- Repair: started repair process
+
+mark_as_repaired
+- convertToTorrent: if all links are intact
+- mergeTorrents: file statistics brokenCount==0, okCount > 0
+- repair: after reinsert the whole torrent, progress == 100, checked broken links
+- assignLinks: when the only link is a rar, then it's not really broken (just unplayable)
+
+-----------------------------
+
+break_file
+- DownloadFile: cannot be unrestricted
+- streamFileToResponse: error downloading the url
+- streamFileToResponse: status code != 2xx
+
+repair_file
+- convertToTorrent: if all links are intact
+- assignLinks: when we find the matching file
+- isStillBroken: same approach as convertToTorrent (all links are intact), this is only called on repair method no.1 and progress == 100 immediately
+
+delete_file
+- HandleDeleteFile: when only the file is deleted, not the whole torrent
+
+-----------------------------
+
+break_torrent
+- ok_torrent --> broken_torrent
+
+repair_torrent
+- broken_torrent --> under_repair_torrent
+
+mark_as_repaired
+- broken_torrent, under_repair_torrent --> ok_torrent
+
+break_file
+- ok_file --> broken_file
+
+repair_file
+- broken_file --> ok_file
+
+delete_file
+- ok_file, broken_file --> deleted_file

internal/torrent/states.go

@@ -9,7 +9,7 @@ func NewTorrentState(initial string) *fsm.FSM {
 		initial,
 		fsm.Events{
 			{Name: "break_torrent", Src: []string{"ok_torrent"}, Dst: "broken_torrent"},
-			{Name: "repair_torrent", Src: []string{"broken_torrent"}, Dst: "under_repair_torrent"},
+			{Name: "repair_torrent", Src: []string{"ok_torrent", "broken_torrent"}, Dst: "under_repair_torrent"},
 			{Name: "mark_as_repaired", Src: []string{"broken_torrent", "under_repair_torrent"}, Dst: "ok_torrent"},
 		},
 		fsm.Callbacks{},