| 1 | package edu.ucsb.cs156.courses.controllers; | |
| 2 | ||
| 3 | import com.fasterxml.jackson.core.JsonProcessingException; | |
| 4 | import com.fasterxml.jackson.databind.ObjectMapper; | |
| 5 | import edu.ucsb.cs156.courses.entities.UCSBSubject; | |
| 6 | import edu.ucsb.cs156.courses.errors.EntityNotFoundException; | |
| 7 | import edu.ucsb.cs156.courses.repositories.UCSBSubjectRepository; | |
| 8 | import edu.ucsb.cs156.courses.services.UCSBSubjectsService; | |
| 9 | import io.swagger.v3.oas.annotations.Operation; | |
| 10 | import io.swagger.v3.oas.annotations.Parameter; | |
| 11 | import io.swagger.v3.oas.annotations.tags.Tag; | |
| 12 | import java.util.ArrayList; | |
| 13 | import java.util.List; | |
| 14 | import lombok.extern.slf4j.Slf4j; | |
| 15 | import org.springframework.beans.factory.annotation.Autowired; | |
| 16 | import org.springframework.boot.ApplicationArguments; | |
| 17 | import org.springframework.boot.ApplicationRunner; | |
| 18 | import org.springframework.dao.DuplicateKeyException; | |
| 19 | import org.springframework.security.access.prepost.PreAuthorize; | |
| 20 | import org.springframework.web.bind.annotation.DeleteMapping; | |
| 21 | import org.springframework.web.bind.annotation.GetMapping; | |
| 22 | import org.springframework.web.bind.annotation.PostMapping; | |
| 23 | import org.springframework.web.bind.annotation.RequestMapping; | |
| 24 | import org.springframework.web.bind.annotation.RequestParam; | |
| 25 | import org.springframework.web.bind.annotation.RestController; | |
| 26 | ||
| 27 | @Slf4j | |
| 28 | @Tag(name = "API to handle CRUD operations for UCSB Subjects database") | |
| 29 | @RequestMapping("/api/UCSBSubjects") | |
| 30 | @RestController | |
| 31 | public class UCSBSubjectsController extends ApiController implements ApplicationRunner { | |
| 32 |   @Autowired UCSBSubjectRepository subjectRepository; | |
| 33 | ||
| 34 |   @Autowired ObjectMapper mapper; | |
| 35 | ||
| 36 |   @Autowired UCSBSubjectsService ucsbSubjectsService; | |
| 37 | ||
| 38 |   @Operation(summary = "Get all UCSB Subjects") | |
| 39 |   @GetMapping("/all") | |
| 40 |   public Iterable<UCSBSubject> allSubjects() { | |
| 41 |     Iterable<UCSBSubject> subjects = subjectRepository.findAll(); | |
| 42 | 
1
1. allSubjects : replaced return value with null for edu/ucsb/cs156/courses/controllers/UCSBSubjectsController::allSubjects → KILLED | 
    return subjects; | 
| 43 |   } | |
| 44 | ||
| 45 |   @Operation(summary = "Load subjects into database from UCSB API") | |
| 46 |   @PreAuthorize("hasRole('ROLE_ADMIN')") | |
| 47 |   @PostMapping("/load") | |
| 48 |   public List<UCSBSubject> loadSubjects() throws JsonProcessingException { | |
| 49 | ||
| 50 |     List<UCSBSubject> subjects = ucsbSubjectsService.get(); | |
| 51 | ||
| 52 |     List<UCSBSubject> savedSubjects = new ArrayList<UCSBSubject>(); | |
| 53 | ||
| 54 | 
1
1. loadSubjects : removed call to java/util/List::forEach → KILLED | 
    subjects.forEach( | 
| 55 |         (ucsbSubject) -> { | |
| 56 |           try { | |
| 57 |             subjectRepository.save(ucsbSubject); | |
| 58 |             savedSubjects.add(ucsbSubject); | |
| 59 |           } catch (DuplicateKeyException dke) { | |
| 60 |             log.info("Skipping duplicate entity %s".formatted(ucsbSubject.getSubjectCode())); | |
| 61 |           } | |
| 62 |         }); | |
| 63 |     log.info("subjects={}", subjects); | |
| 64 | 
1
1. loadSubjects : replaced return value with Collections.emptyList for edu/ucsb/cs156/courses/controllers/UCSBSubjectsController::loadSubjects → KILLED | 
    return savedSubjects; | 
| 65 |   } | |
| 66 | ||
| 67 |   @Operation(summary = "Get a single UCSB Subject by id if it is in the database") | |
| 68 |   @PreAuthorize("hasRole('ROLE_USER') || hasRole('ROLE_ADMIN')") | |
| 69 |   @GetMapping("") | |
| 70 |   public UCSBSubject getSubjectById( | |
| 71 |       @Parameter(name = "subjectCode") @RequestParam String subjectCode) | |
| 72 |       throws JsonProcessingException { | |
| 73 | ||
| 74 |     UCSBSubject subject = | |
| 75 |         subjectRepository | |
| 76 |             .findById(subjectCode) | |
| 77 | 
1
1. lambda$getSubjectById$1 : replaced return value with null for edu/ucsb/cs156/courses/controllers/UCSBSubjectsController::lambda$getSubjectById$1 → KILLED | 
            .orElseThrow(() -> new EntityNotFoundException(UCSBSubject.class, subjectCode)); | 
| 78 | ||
| 79 | 
1
1. getSubjectById : replaced return value with null for edu/ucsb/cs156/courses/controllers/UCSBSubjectsController::getSubjectById → KILLED | 
    return subject; | 
| 80 |   } | |
| 81 | ||
| 82 |   @Operation(summary = "Delete a UCSB Subject by id") | |
| 83 |   @PreAuthorize("hasRole('ROLE_ADMIN')") | |
| 84 |   @DeleteMapping("") | |
| 85 |   public Object deleteSubject(@Parameter(name = "subjectCode") @RequestParam String subjectCode) { | |
| 86 | ||
| 87 |     UCSBSubject subject = | |
| 88 |         subjectRepository | |
| 89 |             .findById(subjectCode) | |
| 90 | 
1
1. lambda$deleteSubject$2 : replaced return value with null for edu/ucsb/cs156/courses/controllers/UCSBSubjectsController::lambda$deleteSubject$2 → KILLED | 
            .orElseThrow(() -> new EntityNotFoundException(UCSBSubject.class, subjectCode)); | 
| 91 | ||
| 92 | 
1
1. deleteSubject : removed call to edu/ucsb/cs156/courses/repositories/UCSBSubjectRepository::delete → KILLED | 
    subjectRepository.delete(subject); | 
| 93 | ||
| 94 | 
1
1. deleteSubject : replaced return value with null for edu/ucsb/cs156/courses/controllers/UCSBSubjectsController::deleteSubject → KILLED | 
    return genericMessage("UCSBSubject with id %s deleted".formatted(subjectCode)); | 
| 95 |   } | |
| 96 | ||
| 97 |   @Operation(summary = "Delete all UCSB Subjects in the table") | |
| 98 |   @PreAuthorize("hasRole('ROLE_ADMIN')") | |
| 99 |   @DeleteMapping("/all") | |
| 100 |   public Object deleteAllSubjects() { | |
| 101 | ||
| 102 | 
1
1. deleteAllSubjects : removed call to edu/ucsb/cs156/courses/repositories/UCSBSubjectRepository::deleteAll → KILLED | 
    subjectRepository.deleteAll(); | 
| 103 | ||
| 104 | 
1
1. deleteAllSubjects : replaced return value with null for edu/ucsb/cs156/courses/controllers/UCSBSubjectsController::deleteAllSubjects → KILLED | 
    return genericMessage("All UCSBSubject records deleted"); | 
| 105 |   } | |
| 106 | ||
| 107 |   @Override | |
| 108 |   public void run(ApplicationArguments args) throws Exception { | |
| 109 |     loadSubjects(); | |
| 110 |     log.info("Got all subjects on launch!"); | |
| 111 |   } | |
| 112 | } | |
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