fix campaign rules

internal/mappers/game_play_mapper.go

@@ -34,6 +34,15 @@ func ToGamePlayResponses(gamePlays []entities.GamePlay) []models.GamePlayRespons
 	return responses
 }
 
+// ToGamePlayResponsesFromPointers converts a slice of game play entity pointers to game play responses
+func ToGamePlayResponsesFromPointers(gamePlays []*entities.GamePlay) []models.GamePlayResponse {
+	responses := make([]models.GamePlayResponse, len(gamePlays))
+	for i, gp := range gamePlays {
+		responses[i] = *ToGamePlayResponse(gp)
+	}
+	return responses
+}
+
 // ToGamePlayEntity converts a create game play request to a game play entity
 func ToGamePlayEntity(req *models.CreateGamePlayRequest) *entities.GamePlay {
 	return &entities.GamePlay{