public TalentDonationProject getDonationProject(String projectName) {
   for (TalentDonationProject project : donationProjectList) {
   	if(project != null && project.getTalentDonationProjectName().equals(projectName)) {
   		return project;
   	}
   }
   return null;
}

public Optional<TalentDonationProject>getDonationProject(String projectName) {
   return 	donationProjectList.stream()
   		.filter(e -> e.getTalentDonationProjectName().equals(projectName))
   		.findFirst();	
   }

public void donationProjectInsert(TalentDonationProject project) throws Exception {
	
	TalentDonationProject p = getDonationProject(project.getTalentDonationProjectName());
	
	if (p != null) {
		throw new Exception ("해당 project명은 이미 존재합니다.");
	}
	
	donationProjectList.add(project);
}

public void donationProjectInsert(TalentDonationProject project) throws Exception {

   	Optional<TalentDonationProject> oProject = getDonationProject(project.getTalentDonationProjectName());

   	if (oProject.isPresent()) {
   		donationProjectList.add(project);
   	}
   	else throw new Exception("해당 project명은 이미 존재합니다.");
   }

public void donationProjectUpdate(String projectName, Donator people) throws Exception {

   for (TalentDonationProject project : donationProjectList) {

   	if (project != null && project.getTalentDonationProjectName().equals(projectName)) {
   		if (people != null) {
   			project.setProjectDonator(people);
   			break;
   		} else {
   			throw new Exception("프로젝트 이름은 있으나 기부자 정보 누락 재확인 하세요");
   		}
   	} else {
   		throw new Exception("프로젝트 이름과 기부자 정보 재 확인 하세요");
   	}
   }
}

public void donationProjectUpdate(String projectName, Donator people) throws Exception {
   	
   Optional<TalentDonationProject> project =  this.getDonationProject(projectName);		
   
   if(project.isPresent()) {
   	if(people == null) throw new Exception("프로젝트 이름과 기부자 정보 재 확인 하세요");
   	project.get().setProjectDonator(people);
   } else {
   	throw new Exception("프로젝트 이름을 다시 확인해주세요");
   }
}

public void donationProjectDelete(String projectName) {
   	
   TalentDonationProject project = getDonationProject(projectName);

   if (project != null) {
   	donationProjectList.remove(project);
   }
}

public void donationProjectDelete(String projectName) throws Exception {
   	
   Optional<TalentDonationProject> project = getDonationProject(projectName);

   if (project.isPresent()) {
   	donationProjectList.remove(project);
   } else {
   	throw new Exception("프로젝트 이름과 기부자 정보 재 확인 하세요");
   }
}