Replace DB with Store in service/user (#321)

user/migrate/session/session.go

@@ -0,0 +1,50 @@
+package session
+
+import (
+	"fmt"
+
+	"github.com/micro/micro/v3/service/logger"
+	"github.com/micro/micro/v3/service/store"
+	"github.com/tidwall/gjson"
+
+	"github.com/micro/services/user/migrate/entity"
+)
+
+func generateStoreKey(tenantId string, id string) string {
+	return fmt.Sprintf("%ssession/%s", entity.KeyPrefix(tenantId), id)
+}
+
+type session struct {
+	to       store.Store
+	tenantId string
+}
+
+func New(to store.Store, tenantId string) *session {
+	return &session{
+		to:       to,
+		tenantId: tenantId,
+	}
+}
+
+func (s *session) migrate(rows []*entity.Row) error {
+	for _, rec := range rows {
+		id := gjson.Get(rec.Data, "id").String()
+
+		key := generateStoreKey(s.tenantId, id)
+		err := s.to.Write(&store.Record{
+			Key:   key,
+			Value: []byte(rec.Data),
+		})
+
+		if err != nil {
+			logger.Errorf("migrate session write error: %v, %+v", err, key)
+			continue
+		}
+	}
+
+	return nil
+}
+
+func (s *session) Migrate(rows []*entity.Row) error {
+	return s.migrate(rows)
+}