diff --git a/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CourseController.java b/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CourseController.java
index 05c9d96..a7a9719 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CourseController.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CourseController.java
@@ -42,6 +42,15 @@ public class CourseController {
         return new ResponseEntity<>(courseWithoutPassword(foundCourse), HttpStatus.OK);
     }
 
+    @GetMapping("/courses")
+    public ResponseEntity<Iterable<Course>> getAllCourses(@RequestHeader("Authorization") String token){
+        if (authServ.isNotIn(new Role[]{Role.Admin,Role.Secretary},token))
+            return new UnauthorizedResponse<>(null);
+
+
+        return new ResponseEntity<>(courseServ.findAll(),HttpStatus.OK);
+    }
+
 
     @PostMapping("/course")
     public ResponseEntity<Course> postCourse(@RequestHeader("Authorization") String token,
@@ -51,7 +60,11 @@ public class CourseController {
         if (authServ.isNotIn(new Role[]{Role.Secretary,Role.Admin},token))
             return new UnauthorizedResponse<>(null);
 
-        return new ResponseEntity<>(courseServ.save(course), HttpStatus.CREATED);
+        Course createdCourse = courseServ.save(course);
+        if (createdCourse == null)
+            return new ResponseEntity<>(null,HttpStatus.BAD_REQUEST);
+
+        return new ResponseEntity<>(createdCourse, HttpStatus.CREATED);
     }
 
 
diff --git a/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CurriculumController.java b/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CurriculumController.java
index 4cb9504..7a1bfe4 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CurriculumController.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/EndPoints/CurriculumController.java
@@ -30,13 +30,13 @@ public class CurriculumController {
     }
 
     @GetMapping("/curriculum/{id}")
-    public ResponseEntity<Curriculum> findById(@PathVariable long id){
+    public ResponseEntity<Map<String,Object>> findById(@PathVariable long id){
         Curriculum foundCurriculum = curriculumServ.findById(id);
 
         if (foundCurriculum == null)
             return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
 
-        return new ResponseEntity<>(foundCurriculum, HttpStatus.OK);
+        return new ResponseEntity<>(curriculumCourseServ.getDepthCurriculum(foundCurriculum), HttpStatus.OK);
     }
 
     @GetMapping("/curriculums")
@@ -52,4 +52,19 @@ public class CurriculumController {
 
         return new ResponseEntity<>(curriculumServ.save(curriculum),HttpStatus.CREATED);
     }
+
+    @PostMapping("/curriculum/{id}")
+    public ResponseEntity<String> postCoursesToCurriculum(@RequestHeader("Authorization") String token,
+                                                          @RequestBody Iterable<Long> coursesIds,
+                                                          @PathVariable long id)
+    {
+
+        if (authServ.isNotIn(new Role[]{Role.Admin,Role.Secretary},token))
+            return new UnauthorizedResponse<>(null);
+
+        if (!curriculumCourseServ.saveAll(coursesIds, curriculumServ.findById(id)))
+            return new ResponseEntity<>(HttpStatus.BAD_REQUEST);
+
+        return new ResponseEntity<>(HttpStatus.OK);
+    }
 }
diff --git a/backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java b/backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java
index abfa6ae..bdb9ae8 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/Services/CourseService.java
@@ -17,6 +17,8 @@ public class CourseService {
     }
 
     public Course save(Course course){
+        if (course.getOwner().getRole() != Role.Teacher)
+            return null;
         return courseRepo.save(course);
     }
 
@@ -24,6 +26,11 @@ public class CourseService {
         return courseRepo.findById(id);
     }
 
+
+    public Iterable<Course> findAll() {
+        return courseRepo.findAll();
+    }
+
     public boolean modifyData(long id, Map<String, Object> updates, Role role) {
         Course target = courseRepo.findById(id);
 
@@ -62,4 +69,5 @@ public class CourseService {
         courseRepo.save(target);
         return true;
     }
+
 }
diff --git a/backend/src/main/java/ovh/herisson/Clyde/Services/CurriculumCourseService.java b/backend/src/main/java/ovh/herisson/Clyde/Services/CurriculumCourseService.java
index 5e1992d..a32e9d6 100644
--- a/backend/src/main/java/ovh/herisson/Clyde/Services/CurriculumCourseService.java
+++ b/backend/src/main/java/ovh/herisson/Clyde/Services/CurriculumCourseService.java
@@ -1,10 +1,11 @@
 package ovh.herisson.Clyde.Services;
 
 import org.springframework.stereotype.Service;
+import ovh.herisson.Clyde.Repositories.CourseRepository;
 import ovh.herisson.Clyde.Repositories.CurriculumCourseRepository;
-import ovh.herisson.Clyde.Tables.Course;
-import ovh.herisson.Clyde.Tables.Curriculum;
-import ovh.herisson.Clyde.Tables.CurriculumCourse;
+import ovh.herisson.Clyde.Repositories.CurriculumRepository;
+import ovh.herisson.Clyde.Tables.*;
+
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
@@ -14,9 +15,14 @@ public class CurriculumCourseService {
 
     private final CurriculumCourseRepository curriculumCourseRepo;
 
+    private final CourseRepository courseRepo;
 
-    public CurriculumCourseService(CurriculumCourseRepository curriculumCourseRepository) {
+    private final CurriculumRepository curriculumRepo;
+
+    public CurriculumCourseService(CurriculumCourseRepository curriculumCourseRepository, CourseRepository courseRepo, CurriculumRepository curriculumRepo) {
         this.curriculumCourseRepo = curriculumCourseRepository;
+        this.courseRepo = courseRepo;
+        this.curriculumRepo = curriculumRepo;
     }
 
     public void save(CurriculumCourse curriculumCourse){
@@ -31,7 +37,9 @@ public class CurriculumCourseService {
 
         HashMap<String ,Object> toReturn = new HashMap<>();
         ArrayList<Course> courses = new ArrayList<>();
-        for (Course c: curriculumCourseRepo.findCoursesByCurriculum(curriculum)){
+        Iterable<Course> foundCourses = curriculumCourseRepo.findCoursesByCurriculum(curriculum);
+
+        for (Course c: foundCourses){
             courses.add(c);
         }
         toReturn.put("courses",courses);
@@ -47,9 +55,40 @@ public class CurriculumCourseService {
 
         ArrayList<Map<String,Object>> toReturn = new ArrayList<>();
 
-        for (Curriculum curriculum : curriculumCourseRepo.findDistinctCurriculums()){
+        for (Curriculum curriculum : curriculumRepo.findAll()){
             toReturn.add(getDepthCurriculum(curriculum));
         }
+
+
         return toReturn;
     }
+
+    /** tries to add all courses to the curriculum
+     *
+     * @param coursesIds the ids of the courses to be added
+     * @param curriculum the curriculum to add the courses to
+     * @return if the changes were made
+     */
+    public boolean saveAll(Iterable<Long> coursesIds, Curriculum curriculum) {
+
+        if (curriculum == null || coursesIds == null)
+            return false;
+
+        ArrayList<Course> toAdd = new ArrayList<>();
+        for (Long courseId : coursesIds){
+
+            Course course = courseRepo.findById((long) courseId);
+            if (course == null)
+                return false;
+
+            if (!toAdd.contains(course))
+                toAdd.add(course);
+        }
+
+        for (Course course : toAdd){
+            curriculumCourseRepo.save(new CurriculumCourse(curriculum,course));
+        }
+        return true;
+
+    }
 }