initial commit

state/memory/memory.go

@@ -0,0 +1,34 @@
+package memory
+
+import (
+	"context"
+	"github.com/abelith/gomax/state"
+	"sync"
+)
+
+type FSMStorage struct {
+	m sync.Map
+}
+
+func NewMemoryFSMStorage() *FSMStorage {
+	return &FSMStorage{}
+}
+
+func (f *FSMStorage) Get(_ context.Context, userID int) (*state.Snapshot, error) {
+	st, ok := f.m.Load(userID)
+	if !ok {
+		return nil, state.ErrStateNotFound
+	}
+
+	return st.(*state.Snapshot), nil
+}
+
+func (f *FSMStorage) Put(_ context.Context, snapshot *state.Snapshot) error {
+	f.m.Store(snapshot.ID, snapshot)
+	return nil
+}
+
+func (f *FSMStorage) Delete(_ context.Context, snapshot *state.Snapshot) error {
+	f.m.Delete(snapshot.ID)
+	return nil
+}