| 1 | package edu.ucsb.cs156.organic.controllers; | |
| 2 | ||
| 3 | import edu.ucsb.cs156.organic.entities.Course; | |
| 4 | import edu.ucsb.cs156.organic.entities.Staff; | |
| 5 | import edu.ucsb.cs156.organic.entities.User; | |
| 6 | import edu.ucsb.cs156.organic.repositories.CourseRepository; | |
| 7 | import edu.ucsb.cs156.organic.repositories.StaffRepository; | |
| 8 | import edu.ucsb.cs156.organic.repositories.UserRepository; | |
| 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 lombok.extern.slf4j.Slf4j; | |
| 13 | ||
| 14 | import com.fasterxml.jackson.core.JsonProcessingException; | |
| 15 | ||
| 16 | ||
| 17 | import org.springframework.beans.factory.annotation.Autowired; | |
| 18 | import org.springframework.format.annotation.DateTimeFormat; | |
| 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.DeleteMapping; | |
| 24 | import org.springframework.web.bind.annotation.PutMapping; | |
| 25 | import org.springframework.web.bind.annotation.RequestBody; | |
| 26 | import org.springframework.web.bind.annotation.RequestMapping; | |
| 27 | import org.springframework.web.bind.annotation.RequestParam; | |
| 28 | import org.springframework.web.bind.annotation.RestController; | |
| 29 | ||
| 30 | import edu.ucsb.cs156.organic.errors.EntityNotFoundException; | |
| 31 | ||
| 32 | import org.springframework.security.access.AccessDeniedException; | |
| 33 | import java.time.LocalDateTime; | |
| 34 | ||
| 35 | import javax.transaction.Transactional; | |
| 36 | import javax.validation.Valid; | |
| 37 | ||
| 38 | import java.util.Optional; | |
| 39 | ||
| 40 | ||
| 41 | @Tag(name = "Courses") | |
| 42 | @RequestMapping("/api/courses") | |
| 43 | @RestController | |
| 44 | @Slf4j | |
| 45 | public class CoursesController extends ApiController { | |
| 46 | ||
| 47 |     @Autowired | |
| 48 |     CourseRepository courseRepository; | |
| 49 | ||
| 50 |     @Autowired | |
| 51 |     StaffRepository courseStaffRepository; | |
| 52 | ||
| 53 |     @Autowired | |
| 54 |     UserRepository userRepository; | |
| 55 | ||
| 56 |     @Operation(summary = "List all courses") | |
| 57 |     @PreAuthorize("hasAnyRole('ROLE_USER', 'ROLE_ADMIN')") | |
| 58 |     @GetMapping("/all") | |
| 59 |     public Iterable<Course> allCourses() { | |
| 60 |         User u = getCurrentUser().getUser(); | |
| 61 |         log.info("u={}", u); | |
| 62 | 
1
1. allCourses : negated conditional → KILLED | 
        if (u.isAdmin()) { | 
| 63 | 
1
1. allCourses : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::allCourses → KILLED | 
            return courseRepository.findAll(); | 
| 64 |         } else { | |
| 65 | 
1
1. allCourses : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::allCourses → KILLED | 
            return courseRepository.findCoursesStaffedByUser(u.getGithubId()); | 
| 66 |         } | |
| 67 |     } | |
| 68 | ||
| 69 |     @Operation(summary= "Get a single course") | |
| 70 |     @PreAuthorize("hasAnyRole('ROLE_USER', 'ROLE_ADMIN')") | |
| 71 |     @GetMapping("") | |
| 72 |     public Course getById( | |
| 73 |             @Parameter(name="id") @RequestParam Long id) { | |
| 74 |         User u = getCurrentUser().getUser(); | |
| 75 | ||
| 76 |         Course course = courseRepository.findById(id) | |
| 77 | 
1
1. lambda$getById$0 : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::lambda$getById$0 → KILLED | 
                .orElseThrow(() -> new EntityNotFoundException(Course.class, id)); | 
| 78 |          | |
| 79 | 
1
1. getById : negated conditional → KILLED | 
        if(!u.isAdmin()){ | 
| 80 |                 courseStaffRepository.findByCourseIdAndGithubId(id, u.getGithubId()) | |
| 81 | 
1
1. lambda$getById$1 : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::lambda$getById$1 → KILLED | 
                        .orElseThrow(() -> new AccessDeniedException( | 
| 82 |                         String.format("User %s is not authorized to get course %d", u.getGithubLogin(), id))); | |
| 83 |         } | |
| 84 | 
1
1. getById : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::getById → KILLED | 
        return course; | 
| 85 |     } | |
| 86 | ||
| 87 |     @Operation(summary = "Create a new course") | |
| 88 |     @PreAuthorize("hasRole('ROLE_ADMIN')") | |
| 89 |     @PostMapping("/post") | |
| 90 |     public Course postCourse( | |
| 91 |             @Parameter(name = "name", description ="course name, e.g. CMPSC 156" ) @RequestParam String name, | |
| 92 |             @Parameter(name = "school", description ="school abbreviation e.g. UCSB" ) @RequestParam String school, | |
| 93 |             @Parameter(name = "term", description = "quarter or semester, e.g. F23") @RequestParam String term, | |
| 94 |             @Parameter(name = "startDate", description = "in iso format, i.e. YYYY-mm-ddTHH:MM:SS; e.g. 2023-10-01T00:00:00 see https://en.wikipedia.org/wiki/ISO_8601") @RequestParam("startDate") @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime startDate, | |
| 95 |             @Parameter(name = "endDate", description = "in iso format, i.e. YYYY-mm-ddTHH:MM:SS; e.g. 2023-12-31T11:59:59 see https://en.wikipedia.org/wiki/ISO_8601") @RequestParam("endDate") @DateTimeFormat(iso = DateTimeFormat.ISO.DATE_TIME) LocalDateTime endDate, | |
| 96 |             @Parameter(name = "githubOrg", description = "for example ucsb-cs156-f23" ) @RequestParam String githubOrg) | |
| 97 |             throws JsonProcessingException { | |
| 98 | ||
| 99 |         Course course = Course.builder() | |
| 100 |                 .name(name) | |
| 101 |                 .school(school) | |
| 102 |                 .term(term) | |
| 103 |                 .startDate(startDate) | |
| 104 |                 .endDate(endDate) | |
| 105 |                 .githubOrg(githubOrg) | |
| 106 |                 .build(); | |
| 107 | ||
| 108 |         Course savedCourse = courseRepository.save(course); | |
| 109 |         User u = getCurrentUser().getUser(); | |
| 110 | ||
| 111 |         Staff courseStaff = Staff.builder() | |
| 112 |                 .courseId(savedCourse.getId()) | |
| 113 |                 .githubId(u.getGithubId()) | |
| 114 |                 .build(); | |
| 115 | ||
| 116 |         log.info("courseStaff={}", courseStaff); | |
| 117 |         courseStaffRepository.save(courseStaff); | |
| 118 | ||
| 119 | 
1
1. postCourse : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::postCourse → KILLED | 
        return savedCourse; | 
| 120 |     } | |
| 121 | ||
| 122 |     @Operation(summary = "Add a staff member to a course") | |
| 123 |     @PreAuthorize("hasRole('ROLE_ADMIN')") | |
| 124 |     @PostMapping("/addStaff") | |
| 125 |     public Staff addStaff( | |
| 126 |             @Parameter(name = "courseId") @RequestParam Long courseId, | |
| 127 |             @Parameter(name = "githubLogin") @RequestParam String githubLogin) | |
| 128 |             throws JsonProcessingException { | |
| 129 | ||
| 130 |         Course course = courseRepository.findById(courseId) | |
| 131 | 
1
1. lambda$addStaff$2 : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::lambda$addStaff$2 → KILLED | 
                .orElseThrow(() -> new EntityNotFoundException(Course.class, courseId.toString())); | 
| 132 | ||
| 133 |         User user = userRepository.findByGithubLogin(githubLogin) | |
| 134 | 
1
1. lambda$addStaff$3 : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::lambda$addStaff$3 → KILLED | 
                .orElseThrow(() -> new EntityNotFoundException(User.class, githubLogin.toString())); | 
| 135 | ||
| 136 |         Staff courseStaff = Staff.builder() | |
| 137 |                 .courseId(course.getId()) | |
| 138 |                 .githubId(user.getGithubId()) | |
| 139 |                 .user(user) | |
| 140 |                 .build(); | |
| 141 | ||
| 142 |         courseStaff = courseStaffRepository.save(courseStaff); | |
| 143 |         log.info("courseStaff={}", courseStaff); | |
| 144 | ||
| 145 | 
1
1. addStaff : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::addStaff → KILLED | 
        return courseStaff; | 
| 146 |     } | |
| 147 | ||
| 148 |     @Operation(summary = "Remove staff from a course") | |
| 149 |     @PreAuthorize("hasAnyRole('ROLE_ADMIN', 'ROLE_INSTRUCTOR')") | |
| 150 |     @DeleteMapping("/staff") | |
| 151 |     public Object deleteStaff( | |
| 152 |             @Parameter(name = "id") @RequestParam Long id) throws JsonProcessingException { | |
| 153 |         // Find staff member from id (also includes associated data like which course(s) they're staff in) | |
| 154 |         Staff staff = courseStaffRepository.findById(id) | |
| 155 | 
1
1. lambda$deleteStaff$4 : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::lambda$deleteStaff$4 → KILLED | 
                .orElseThrow(() -> new EntityNotFoundException(Staff.class, id.toString())); | 
| 156 |          | |
| 157 |         // If instructor and not admin, check if user is staff in the same course of the staff member they're trying to remove | |
| 158 |         User u = getCurrentUser().getUser(); | |
| 159 | 
1
1. deleteStaff : negated conditional → KILLED | 
        if (!u.isAdmin()) { | 
| 160 |                 Long courseId = staff.getCourseId(); | |
| 161 |                 log.info("staff={}\nthe parameter id={}", staff, id); | |
| 162 |                 courseStaffRepository.findByCourseIdAndGithubId(courseId, u.getGithubId()) // This find will succeed if the condition mentioned above is met | |
| 163 | 
1
1. lambda$deleteStaff$5 : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::lambda$deleteStaff$5 → KILLED | 
                .orElseThrow(() -> new AccessDeniedException( // Throw an error if find fails (so, if they aren't in the same course) | 
| 164 |                         String.format("User %s is not authorized to delete staff of id %d", u.getGithubLogin(), id))); | |
| 165 |         } | |
| 166 | ||
| 167 | 
1
1. deleteStaff : removed call to edu/ucsb/cs156/organic/repositories/StaffRepository::delete → KILLED | 
        courseStaffRepository.delete(staff); | 
| 168 | 
1
1. deleteStaff : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::deleteStaff → KILLED | 
        return genericMessage("Staff with id %s deleted".formatted(id)); | 
| 169 |     } | |
| 170 | ||
| 171 |     @Operation(summary = "Get Staff for course") | |
| 172 |     @PreAuthorize("hasRole('ROLE_ADMIN')") | |
| 173 |     @GetMapping("/getStaff") | |
| 174 |     public Iterable<Staff> getStaff( | |
| 175 |             @Parameter(name = "courseId") @RequestParam Long courseId | |
| 176 |     ) | |
| 177 |             throws JsonProcessingException { | |
| 178 | ||
| 179 |         Course course = courseRepository.findById(courseId) | |
| 180 | 
1
1. lambda$getStaff$6 : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::lambda$getStaff$6 → KILLED | 
                .orElseThrow(() -> new EntityNotFoundException(Course.class, courseId.toString())); | 
| 181 | ||
| 182 |         Iterable<Staff> courseStaff = courseStaffRepository.findByCourseId(course.getId()); | |
| 183 | 
1
1. getStaff : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::getStaff → KILLED | 
        return courseStaff; | 
| 184 |     } | |
| 185 | ||
| 186 |     @Operation(summary = "Update a course") | |
| 187 |     @PreAuthorize("hasAnyRole('ROLE_ADMIN', 'ROLE_INSTRUCTOR')") | |
| 188 |     @PutMapping("") | |
| 189 |     public Course updateCourse( | |
| 190 |             @Parameter(name = "courseId") @RequestParam Long courseId, | |
| 191 |             @RequestBody @Valid Course incoming) throws JsonProcessingException { | |
| 192 |          | |
| 193 |         User u = getCurrentUser().getUser(); | |
| 194 |         Course course = courseRepository.findById(courseId) | |
| 195 | 
1
1. lambda$updateCourse$7 : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::lambda$updateCourse$7 → KILLED | 
                .orElseThrow(() -> new EntityNotFoundException(Course.class, courseId.toString())); | 
| 196 | 
1
1. updateCourse : negated conditional → KILLED | 
        if(!u.isAdmin()) | 
| 197 |             courseStaffRepository.findByCourseIdAndGithubId(courseId, u.getGithubId()) | |
| 198 | 
1
1. lambda$updateCourse$8 : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::lambda$updateCourse$8 → KILLED | 
            .orElseThrow(() -> new AccessDeniedException( | 
| 199 |                 String.format("User %s is not authorized to update course %d", u.getGithubLogin(), courseId))); | |
| 200 | ||
| 201 | 
1
1. updateCourse : removed call to edu/ucsb/cs156/organic/entities/Course::setName → KILLED | 
        course.setName(incoming.getName()); | 
| 202 | 
1
1. updateCourse : removed call to edu/ucsb/cs156/organic/entities/Course::setSchool → KILLED | 
        course.setSchool(incoming.getSchool()); | 
| 203 | 
1
1. updateCourse : removed call to edu/ucsb/cs156/organic/entities/Course::setTerm → KILLED | 
        course.setTerm(incoming.getTerm()); | 
| 204 | 
1
1. updateCourse : removed call to edu/ucsb/cs156/organic/entities/Course::setStartDate → KILLED | 
        course.setStartDate(incoming.getStartDate()); | 
| 205 | 
1
1. updateCourse : removed call to edu/ucsb/cs156/organic/entities/Course::setEndDate → KILLED | 
        course.setEndDate(incoming.getEndDate()); | 
| 206 | 
1
1. updateCourse : removed call to edu/ucsb/cs156/organic/entities/Course::setGithubOrg → KILLED | 
        course.setGithubOrg(incoming.getGithubOrg()); | 
| 207 | ||
| 208 |         courseRepository.save(course); | |
| 209 | 
1
1. updateCourse : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::updateCourse → KILLED | 
        return course; | 
| 210 |     } | |
| 211 | ||
| 212 |     @Transactional | |
| 213 |     @Operation(summary = "Delete a course") | |
| 214 |     @PreAuthorize("hasAnyRole('ROLE_ADMIN', 'ROLE_INSTRUCTOR')") | |
| 215 |     @DeleteMapping("") | |
| 216 |     public Object deleteCourse( | |
| 217 |             @Parameter(name = "id") @RequestParam Long id) throws JsonProcessingException { | |
| 218 |          | |
| 219 |         User u = getCurrentUser().getUser(); | |
| 220 |         Course course = courseRepository.findById(id) | |
| 221 | 
1
1. lambda$deleteCourse$9 : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::lambda$deleteCourse$9 → KILLED | 
                .orElseThrow(() -> new EntityNotFoundException(Course.class, id.toString())); | 
| 222 | 
1
1. deleteCourse : negated conditional → KILLED | 
        if(!u.isAdmin()) | 
| 223 |             courseStaffRepository.findByCourseIdAndGithubId(id, u.getGithubId()) | |
| 224 | 
1
1. lambda$deleteCourse$10 : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::lambda$deleteCourse$10 → KILLED | 
            .orElseThrow(() -> new AccessDeniedException( | 
| 225 |                 String.format("User %s is not authorized to delete course %d", u.getGithubLogin(), id))); | |
| 226 | ||
| 227 | 
1
1. deleteCourse : removed call to edu/ucsb/cs156/organic/repositories/CourseRepository::delete → KILLED | 
        courseRepository.delete(course); | 
| 228 | 
1
1. deleteCourse : removed call to edu/ucsb/cs156/organic/repositories/StaffRepository::deleteByCourseId → KILLED | 
        courseStaffRepository.deleteByCourseId(id); | 
| 229 | 
1
1. deleteCourse : replaced return value with null for edu/ucsb/cs156/organic/controllers/CoursesController::deleteCourse → KILLED | 
        return genericMessage("Course with id %s deleted".formatted(id)); | 
| 230 |     } | |
| 231 | } | |
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