Implement new fsm

internal/torrent/states.go

@@ -0,0 +1,41 @@
+package torrent
+
+import (
+	"github.com/looplab/fsm"
+)
+
+func NewTorrentState(initial string) *fsm.FSM {
+	// ok
+	// broken
+	// under_repair
+	// deleted
+	// unplayable
+	return fsm.NewFSM(
+		initial,
+		fsm.Events{
+			{Name: "break", Src: []string{"ok", "unplayable"}, Dst: "broken"},
+			{Name: "repair", Src: []string{"broken"}, Dst: "under_repair"},
+			{Name: "repair_done", Src: []string{"under_repair"}, Dst: "ok"},
+			{Name: "delete", Src: []string{"ok", "broken", "under_repair", "unplayable"}, Dst: "deleted"},
+			{Name: "mark_as_unplayable", Src: []string{"ok", "under_repair"}, Dst: "unplayable"},
+		},
+		fsm.Callbacks{},
+	)
+}
+
+func NewFileState(initial string) *fsm.FSM {
+	// ok
+	// broken
+	// under_repair
+	// deleted
+	return fsm.NewFSM(
+		initial,
+		fsm.Events{
+			{Name: "break", Src: []string{"ok"}, Dst: "broken"},
+			{Name: "repair", Src: []string{"broken"}, Dst: "under_repair"},
+			{Name: "repair_done", Src: []string{"under_repair"}, Dst: "ok"},
+			{Name: "delete", Src: []string{"ok", "broken", "under_repair"}, Dst: "deleted"},
+		},
+		fsm.Callbacks{},
+	)
+}