68 lines
2.3 KiB
Java
68 lines
2.3 KiB
Java
package com.gmgauthier.trainer2.person;
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import com.sun.jdi.request.InvalidRequestStateException;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Service;
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import javax.persistence.EntityNotFoundException;
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import javax.transaction.Transactional;
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import java.util.List;
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import java.util.Optional;
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@Service
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public class PersonService {
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final private PersonRepository personRepository;
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@Autowired
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public PersonService(PersonRepository personRepository) {
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this.personRepository = personRepository;
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}
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public List<Person> getPersons() {
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return personRepository.findAll();
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}
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public void addNewPerson(Person person) {
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Optional<Person> personByEmail = personRepository.findPersonByEmail(person.getEmail());
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if (personByEmail.isPresent()){
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throw new InvalidRequestStateException("email address already exists");
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}
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personRepository.save(person);
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}
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public void deletePerson(String personEmail) {
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Optional<Person> person = personRepository.findPersonByEmail(personEmail);
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if (person.isEmpty()) {
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throw new EntityNotFoundException("Person does not exist in database");
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}
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personRepository.delete(person.get());
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}
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@Transactional
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public void updatePerson(String personEmail, String name, String email) {
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Optional<Person> person = personRepository.findPersonByEmail(personEmail);
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if (person.isEmpty()) {
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throw new EntityNotFoundException("Person does not exist in database");
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}
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//update name per requirement
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if (!(name==null) && !name.isBlank() && !name.equals(person.get().getName())){
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person.get().setName(name);
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}
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//update email address per requirement
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if (!(email==null) && !email.isBlank() && !email.equals(person.get().getEmail())){
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person.get().setEmail(email);
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}
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}
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// Original delete method. But who knows what the id's are??
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// public void deletePerson(Long personId) {
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// boolean exists = personRepository.existsById(personId);
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// if (!exists){
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// throw new EntityNotFoundException("Person does not exist in database");
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// }
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// personRepository.deleteById(personId);
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// }
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}
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