Max/Backend/CoursesEndpoints (#129)

PLZ FIX

Reviewed-on: PGL/Clyde#129
Reviewed-by: Wal <karpinskiwal@gmail.com>
Reviewed-by: Debucquoy Anthony <d.tonitch@gmail.com>
Co-authored-by: Bartha Maxime <231026@umons.ac.be>
Co-committed-by: Bartha Maxime <231026@umons.ac.be>

backend/src/main/java/ovh/herisson/Clyde/EndPoints/CourseController.java

@@ -0,0 +1,80 @@
+package ovh.herisson.Clyde.EndPoints;
+
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import ovh.herisson.Clyde.Responses.UnauthorizedResponse;
+import ovh.herisson.Clyde.Services.AuthenticatorService;
+import ovh.herisson.Clyde.Services.CourseService;
+import ovh.herisson.Clyde.Services.TeacherCourseService;
+import ovh.herisson.Clyde.Tables.Course;
+import ovh.herisson.Clyde.Tables.Role;
+import ovh.herisson.Clyde.Tables.TeacherCourse;
+import ovh.herisson.Clyde.Tables.User;
+
+import java.util.ArrayList;
+import java.util.Map;
+
+@RestController
+@CrossOrigin(originPatterns = "*", allowCredentials = "true")
+public class CourseController {
+
+    private final CourseService courseServ;
+
+    private final TeacherCourseService teacherCourseServ;
+
+    private final AuthenticatorService authServ;
+
+    public CourseController(CourseService courseServ, TeacherCourseService teacherCourseServ, AuthenticatorService authServ) {
+        this.courseServ = courseServ;
+        this.teacherCourseServ = teacherCourseServ;
+        this.authServ = authServ;
+    }
+
+    @GetMapping("/course/{id}")
+    public ResponseEntity<Course> getCourse(@RequestHeader("Authorization") String token, @PathVariable long id){
+        if (authServ.getUserFromToken(token) == null)
+            return new UnauthorizedResponse<>(null);
+
+        return new ResponseEntity<>(courseServ.findById(id), HttpStatus.OK);
+    }
+
+
+    @PostMapping("/course")
+    public ResponseEntity<Course> postCourse(@RequestHeader("Authorization") String token, @RequestBody Course course){
+        if (authServ.isNotSecretaryOrAdmin(token))
+            return new UnauthorizedResponse<>(null);
+
+        return new ResponseEntity<>(courseServ.save(course), HttpStatus.CREATED);
+    }
+
+
+    @PatchMapping("/course/{id}")
+    public ResponseEntity<Course> patchCourse(@RequestHeader("Authorization") String token,
+                                              @RequestBody Map<String,Object> updates,
+                                              @PathVariable long id)
+    {
+
+        if (authServ.IsNotIn(new Role[]{Role.Admin,Role.Teacher,Role.Secretary}, token)){
+            return new UnauthorizedResponse<>(null);
+        }
+
+        return new ResponseEntity<>(courseServ.modifyData(id, updates, authServ.getUserFromToken(token).getRole()), HttpStatus.OK);
+    }
+
+    @PostMapping("/course/{id}")
+    public ResponseEntity<String> postTeachers(@RequestHeader("Authorization") String token,
+                                               @RequestBody Iterable<Long> teacherIds,
+                                               @PathVariable Long id)
+    {
+        if (authServ.IsNotIn(new Role[]{Role.Admin,Role.Secretary}, token))
+            return new UnauthorizedResponse<>(null);
+
+
+
+        teacherCourseServ.saveAll(teacherIds,courseServ.findById(id));
+        return new ResponseEntity<>(HttpStatus.OK);
+
+    }
+
+}

backend/src/main/java/ovh/herisson/Clyde/EndPoints/CurriculumController.java

@@ -15,6 +15,7 @@ import ovh.herisson.Clyde.Tables.User;
 import java.util.Map;
 
 @RestController
+@CrossOrigin(originPatterns = "*", allowCredentials = "true")
 public class CurriculumController {
 
 
@@ -43,4 +44,17 @@ public class CurriculumController {
     public ResponseEntity<Iterable<CurriculumCourse>> findAll(){
         return new ResponseEntity<>(curriculumCourseServ.findAll(),HttpStatus.OK);
     }
+
+    /**@PostMapping("/curriculum") //todo now
+    public ResponseEntity<String> postCurriculum(@RequestHeader("Authorization") String token,@RequestBody Curriculum curriculum){
+
+        if (!isSecretaryOrAdmin(token)){
+            return new UnauthorizedResponse<>("you're not allowed to post a Curriculum");
+        }
+
+        CurriculumServ.save(Curriculum);
+
+        return new ResponseEntity<>("created !",HttpStatus.CREATED);
+    }**/
+
 }

backend/src/main/java/ovh/herisson/Clyde/EndPoints/LoginController.java

@@ -47,6 +47,6 @@ public class LoginController {
     @PostMapping("/request/register")
     public ResponseEntity<String> register(@RequestBody InscriptionRequest inscriptionRequest){
         authServ.register(inscriptionRequest);
-        return new ResponseEntity<>("Is OK", HttpStatus.OK);
+        return new ResponseEntity<>("Is OK", HttpStatus.CREATED);
     }
 }

backend/src/main/java/ovh/herisson/Clyde/EndPoints/MockController.java

@@ -68,10 +68,10 @@ public class MockController {
         curriculumService.save(psychologyBab1);
 
 
-        Course progra1 = new Course(5,"Programmation et algorithimque 1","TODO DELETE");
+        Course progra1 = new Course(5,"Programmation et algorithimque 1",joke);
-        Course chemistry1 = new Course(12, "Thermochimie","TODO DELETE");
+        Course chemistry1 = new Course(12, "Thermochimie",joke);
-        Course psycho1 = new Course(21, "rien faire t'as cru c'est psycho", "TODO DELETE");
+        Course psycho1 = new Course(21, "rien faire t'as cru c'est psycho",joke);
-        Course commun = new Course(2, "cours commun","TODO DELETE");
+        Course commun = new Course(2, "cours commun",joke);
 
         courseService.save(progra1);
         courseService.save(chemistry1);

backend/src/main/java/ovh/herisson/Clyde/Repositories/TeacherCourseRepository.java

@@ -0,0 +1,8 @@
+package ovh.herisson.Clyde.Repositories;
+
+
+import org.springframework.data.repository.CrudRepository;
+import ovh.herisson.Clyde.Tables.TeacherCourse;
+
+public interface TeacherCourseRepository extends CrudRepository<TeacherCourse, Long> {
+}

backend/src/main/java/ovh/herisson/Clyde/Services/AuthenticatorService.java

@@ -50,5 +50,18 @@ public class AuthenticatorService {
         return poster.getRole() != Role.Secretary || poster.getRole() != Role.Admin;
     }
 
+    public boolean IsNotIn(Role[] roles, String token){
+        if (token == null)
+            return true;
+
+        User poster = getUserFromToken(token);
+        if (poster == null) return true;
+
+        for (Role r:roles){
+            if (poster.getRole() == r)
+                return false;
+        }
+        return true;
+    }
 }
 

backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java

@@ -3,6 +3,10 @@ package ovh.herisson.Clyde.Services;
 import org.springframework.stereotype.Service;
 import ovh.herisson.Clyde.Repositories.CourseRepository;
 import ovh.herisson.Clyde.Tables.Course;
+import ovh.herisson.Clyde.Tables.Role;
+import ovh.herisson.Clyde.Tables.User;
+
+import java.util.Map;
 
 @Service
 public class CourseService {
@@ -13,11 +17,39 @@ public class CourseService {
         this.courseRepo = courseRepo;
     }
 
-    public void save(Course course){
+    public Course save(Course course){
-        courseRepo.save(course);
+        return courseRepo.save(course);
     }
 
     public Course findById(long id){
         return courseRepo.findById(id);
     }
+
+    public Course modifyData(long id, Map<String, Object> updates, Role role) {
+        Course target = courseRepo.findById(id);
+
+        if (role == Role.Teacher){
+            for (Map.Entry<String, Object> entry : updates.entrySet()){
+                if (entry.getKey().equals("title")){
+                    target.setTitle((String) entry.getValue());
+                    return courseRepo.save(target);
+                }
+            }
+        }
+
+        for (Map.Entry<String ,Object> entry: updates.entrySet()){
+            switch (entry.getKey()){
+                case "title":
+                    target.setTitle((String) entry.getValue());
+                    break;
+                case "credits":
+                    target.setCredits((Integer) entry.getValue());
+                    break;
+                case "owner":
+                    target.setOwner((User) entry.getValue()); //todo check if is a teacher !
+                    break;
+            }
+        }
+        return courseRepo.save(target);
+    }
 }

backend/src/main/java/ovh/herisson/Clyde/Services/TeacherCourseService.java

@@ -0,0 +1,39 @@
+package ovh.herisson.Clyde.Services;
+
+import org.springframework.stereotype.Controller;
+import ovh.herisson.Clyde.Repositories.TeacherCourseRepository;
+import ovh.herisson.Clyde.Repositories.UserRepository;
+import ovh.herisson.Clyde.Tables.Course;
+import ovh.herisson.Clyde.Tables.TeacherCourse;
+import ovh.herisson.Clyde.Tables.User;
+
+import java.util.ArrayList;
+
+@Controller
+public class TeacherCourseService {
+    private final TeacherCourseRepository teacherCourseRepo;
+
+    private final UserRepository userRepo;
+
+    public TeacherCourseService(TeacherCourseRepository teacherCourseRepo, UserRepository userRepo) {
+        this.teacherCourseRepo = teacherCourseRepo;
+        this.userRepo = userRepo;
+    }
+
+    public boolean saveAll(Iterable<Long> teacherIds, Course course){
+
+        ArrayList<Long> addedIds = new ArrayList<>();
+        for (Long teacherId : teacherIds){
+            User teacher = userRepo.findById((long) teacherId);
+            if ( teacher== null){
+                return false;
+            }
+            if (!addedIds.contains(teacherId))
+            {
+                teacherCourseRepo.save(new TeacherCourse(teacher,course));
+                addedIds.add(teacherId);
+            }
+        }
+        return true;
+    }
+}

backend/src/main/java/ovh/herisson/Clyde/Tables/Course.java

@@ -1,9 +1,6 @@
 package ovh.herisson.Clyde.Tables;
 
-import jakarta.persistence.Entity;
+import jakarta.persistence.*;
-import jakarta.persistence.GeneratedValue;
-import jakarta.persistence.GenerationType;
-import jakarta.persistence.Id;
 
 @Entity
 public class Course {
@@ -12,12 +9,15 @@ public class Course {
     private int courseID;
     private int credits;
     private String title;
-    private String faculty;
 
-    public Course(int credits, String title, String faculty){
+    @ManyToOne(fetch = FetchType.EAGER)
+    @JoinColumn(name = "Users")
+    private User owner;
+
+    public Course(int credits, String title, User owner){
         this.credits = credits;
         this.title = title;
-        this.faculty = faculty;
+        this.owner = owner;
     }
 
     public Course() {}
@@ -34,14 +34,6 @@ public class Course {
         this.credits = credits;
     }
 
-    public String getFaculty() {
-        return faculty;
-    }
-
-    public void setFaculty(String faculty){
-        this.faculty = faculty;
-    }
-
     public String getTitle() {
         return title;
     }
@@ -49,4 +41,12 @@ public class Course {
     public void setTitle(String title){
         this.title = title;
     }
+
+    public User getOwner() {
+        return owner;
+    }
+
+    public void setOwner(User owner) {
+        this.owner = owner;
+    }
 }

backend/src/main/java/ovh/herisson/Clyde/Tables/TeacherCourse.java

@@ -3,30 +3,26 @@ package ovh.herisson.Clyde.Tables;
 import jakarta.persistence.*;
 
 @Entity
-public class TeacherGivenCourse {
+public class TeacherCourse {
     @Id
     @GeneratedValue(strategy = GenerationType.AUTO)
     private int id;
 
-    @ManyToOne(fetch = FetchType.LAZY)
+    @ManyToOne(fetch = FetchType.EAGER)
     @JoinColumn(name = "Users")
     private User user;
 
 
-    @ManyToOne(fetch = FetchType.LAZY)
+    @ManyToOne(fetch = FetchType.EAGER)
     @JoinColumn(name = "Course")
     private Course course;
 
-    //This flag helps make the difference between an assistant or a Teacher (who owns the course)
+    public TeacherCourse(User user, Course course){
-    private boolean owned;
-
-    public TeacherGivenCourse(User user, Course course, boolean owned){
         this.user = user;
         this.course = course;
-        this.owned = owned;
     }
 
-    public TeacherGivenCourse() {}
+    public TeacherCourse() {}
 
     public int getId() {
         return id;
@@ -48,11 +44,4 @@ public class TeacherGivenCourse {
         this.course = course;
     }
 
-    public boolean isOwned() {
-        return owned;
-    }
-
-    public void setOwned(boolean owned) {
-        this.owned = owned;
-    }
 }