| 1 | package edu.ucsb.cs156.frontiers.services; | |
| 2 | ||
| 3 | import com.opencsv.bean.StatefulBeanToCsv; | |
| 4 | import com.opencsv.bean.StatefulBeanToCsvBuilder; | |
| 5 | import edu.ucsb.cs156.frontiers.entities.RosterStudent; | |
| 6 | import edu.ucsb.cs156.frontiers.models.RosterStudentDTO; | |
| 7 | import edu.ucsb.cs156.frontiers.repositories.RosterStudentRepository; | |
| 8 | import java.io.IOException; | |
| 9 | import java.io.Writer; | |
| 10 | import java.util.List; | |
| 11 | import java.util.stream.Collectors; | |
| 12 | import java.util.stream.StreamSupport; | |
| 13 | import org.springframework.beans.factory.annotation.Autowired; | |
| 14 | import org.springframework.stereotype.Service; | |
| 15 | ||
| 16 | @Service | |
| 17 | public class RosterStudentDTOService { | |
| 18 | ||
| 19 | @Autowired private RosterStudentRepository rosterStudentRepository; | |
| 20 | ||
| 21 | /** | |
| 22 | * This method gets a list of RosterStudentDTOs based on the courseId | |
| 23 | * | |
| 24 | * @param courseId if of the course | |
| 25 | * @return a list of RosterStudentDTOs | |
| 26 | */ | |
| 27 | public List<RosterStudentDTO> getRosterStudentDTOs(Long courseId) { | |
| 28 | Iterable<RosterStudent> matchedStudents = rosterStudentRepository.findByCourseId(courseId); | |
| 29 | ||
| 30 |
1
1. getRosterStudentDTOs : replaced return value with Collections.emptyList for edu/ucsb/cs156/frontiers/services/RosterStudentDTOService::getRosterStudentDTOs → KILLED |
return StreamSupport.stream(matchedStudents.spliterator(), false) |
| 31 | .map(RosterStudentDTO::new) | |
| 32 | .collect(Collectors.toList()); | |
| 33 | } | |
| 34 | ||
| 35 | public StatefulBeanToCsv<RosterStudentDTO> getStatefulBeanToCSV(Writer writer) | |
| 36 | throws IOException { | |
| 37 |
1
1. getStatefulBeanToCSV : replaced return value with null for edu/ucsb/cs156/frontiers/services/RosterStudentDTOService::getStatefulBeanToCSV → KILLED |
return new StatefulBeanToCsvBuilder<RosterStudentDTO>(writer).build(); |
| 38 | } | |
| 39 | } | |
Mutations | ||
| 30 |
1.1 |
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| 37 |
1.1 |