Add a list function

api/v1/environments.go

@@ -97,5 +97,39 @@ func (e *EnvironmentsServer) Get(ctx context.Context, in *proto.EnvironmentId) (
 }
 
 func (e *EnvironmentsServer) List(in *empty.Empty, stream proto.Environments_ListServer) error {
+	md, ok := metadata.FromIncomingContext(stream.Context())
+	if !ok {
+		return errors.New("metadata is not provided")
+	}
+	token, ok := md["token"]
+	if !ok {
+		return errors.New("token is not sent via metadata")
+	}
+
+	uuid, ok := md["uuid"]
+	if !ok {
+		return errors.New("used id is not sent via metadata")
+	}
+
+	environment := &controllers.Environemnt{
+		UserID:     uuid[0],
+		Controller: e.controller,
+		Token:      token[0],
+	}
+	envs, err := environment.ListEnvs(stream.Context())
+	if err != nil {
+		return err
+	}
+
+	for _, env := range envs {
+		if err := stream.Send(&proto.EnvironmentFull{
+			Id: &proto.EnvironmentId{Id: "test"},
+			Data: &proto.EnvironmentData{
+				Name: env,
+			},
+		}); err != nil {
+			return err
+		}
+	}
 	return nil
 }