Merge pull request #1077 from mesg-foundation/feature/service-list

 Implement List for Service

protobuf/api/service.proto

@@ -12,6 +12,9 @@ service ServiceX {
 
   // Get returns a single Service specified in a request.
   rpc Get(GetServiceRequest) returns (definition.Service) {}
+
+  // List returns services specified in a request.
+  rpc List(ListServiceRequest) returns (ListServiceResponse) {}
 }
 
 message CreateServiceRequest {
@@ -34,3 +37,9 @@ message DeleteServiceResponse {
 message GetServiceRequest {
   string hash = 1;
 }
+
+message ListServiceRequest {}
+
+message ListServiceResponse {
+  repeated definition.Service services = 1;
+}

sdk/service/service.go

@@ -97,3 +97,8 @@ func (s *Service) Delete(hash hash.Hash) error {
 func (s *Service) Get(hash hash.Hash) (*service.Service, error) {
 	return s.db.Get(hash)
 }
+
+// List returns all services.
+func (s *Service) List() ([]*service.Service, error) {
+	return s.db.All()
+}

server/grpc/api/service.go

@@ -63,9 +63,24 @@ func (s *ServiceServer) Get(ctx context.Context, req *protobuf_api.GetServiceReq
 		return nil, err
 	}
 
-	exec, err := s.sdk.Service.Get(hash)
+	service, err := s.sdk.Service.Get(hash)
 	if err != nil {
 		return nil, err
 	}
-	return ToProtoService(exec), nil
+	return ToProtoService(service), nil
+}
+
+// List returns all services.
+func (s *ServiceServer) List(ctx context.Context, req *protobuf_api.ListServiceRequest) (*protobuf_api.ListServiceResponse, error) {
+	services, err := s.sdk.Service.List()
+	if err != nil {
+		return nil, err
+	}
+
+	resp := &protobuf_api.ListServiceResponse{}
+	for _, service := range services {
+		resp.Services = append(resp.Services, ToProtoService(service))
+	}
+
+	return resp, nil
 }