[management] Add managers to link networks API with store (#3022)

management/server/users/manager.go

@@ -0,0 +1,26 @@
+package users
+
+import (
+	"context"
+
+	"github.com/netbirdio/netbird/management/server/store"
+	"github.com/netbirdio/netbird/management/server/types"
+)
+
+type Manager interface {
+	GetUser(ctx context.Context, userID string) (*types.User, error)
+}
+
+type managerImpl struct {
+	store store.Store
+}
+
+func NewManager(store store.Store) Manager {
+	return &managerImpl{
+		store: store,
+	}
+}
+
+func (m *managerImpl) GetUser(ctx context.Context, userID string) (*types.User, error) {
+	return m.store.GetUserByUserID(ctx, store.LockingStrengthShare, userID)
+}