chore: tweak activity service definition

server/router/api/v1/activity_service.go

@@ -2,6 +2,7 @@ package v1
 
 import (
 	"context"
+	"fmt"
 	"time"
 
 	"google.golang.org/grpc/codes"
@@ -14,8 +15,12 @@ import (
 )
 
 func (s *APIV1Service) GetActivity(ctx context.Context, request *v1pb.GetActivityRequest) (*v1pb.Activity, error) {
+	activityID, err := ExtractActivityIDFromName(request.Name)
+	if err != nil {
+		return nil, status.Errorf(codes.InvalidArgument, "invalid activity name: %v", err)
+	}
 	activity, err := s.Store.GetActivity(ctx, &store.FindActivity{
-		ID: &request.Id,
+		ID: &activityID,
 	})
 	if err != nil {
 		return nil, status.Errorf(codes.Internal, "failed to get activity: %v", err)
@@ -30,7 +35,7 @@ func (s *APIV1Service) GetActivity(ctx context.Context, request *v1pb.GetActivit
 
 func (*APIV1Service) convertActivityFromStore(_ context.Context, activity *store.Activity) (*v1pb.Activity, error) {
 	return &v1pb.Activity{
-		Id:         activity.ID,
+		Name:       fmt.Sprintf("%s%d", ActivityNamePrefix, activity.ID),
 		CreatorId:  activity.CreatorID,
 		Type:       activity.Type.String(),
 		Level:      activity.Level.String(),

server/router/api/v1/resource_name.go

@@ -17,6 +17,7 @@ const (
 	InboxNamePrefix            = "inboxes/"
 	StorageNamePrefix          = "storages/"
 	IdentityProviderNamePrefix = "identityProviders/"
+	ActivityNamePrefix         = "activities/"
 )
 
 // GetNameParentTokens returns the tokens from a resource name.
@@ -123,3 +124,15 @@ func ExtractIdentityProviderIDFromName(name string) (int32, error) {
 	}
 	return id, nil
 }
+
+func ExtractActivityIDFromName(name string) (int32, error) {
+	tokens, err := GetNameParentTokens(name, ActivityNamePrefix)
+	if err != nil {
+		return 0, err
+	}
+	id, err := util.ConvertStringToInt32(tokens[0])
+	if err != nil {
+		return 0, errors.Errorf("invalid activity ID %q", tokens[0])
+	}
+	return id, nil
+}