Rename lectureId to courseId

application/model/src/main/java/org/fuseri/model/dto/exercise/ExerciseCreateDto.java

@@ -8,5 +8,5 @@ import lombok.Getter;
 public class ExerciseCreateDto {
     private String name;
     private String description;
-    private String lectureId;
+    private String courseId;
 }

application/model/src/main/java/org/fuseri/model/dto/exercise/ExerciseDto.java

@@ -9,5 +9,5 @@ import org.fuseri.model.dto.common.DomainObjectDto;
 public class ExerciseDto extends DomainObjectDto {
     private String name;
     private String description;
-    private String lectureId;
+    private String courseId;
 }

application/module-exercise/src/main/java/org/fuseri/moduleexercise/exercise/Exercise.java

@@ -24,7 +24,7 @@ public class Exercise extends DomainObject {
 
     private String description;
 
-    private String lectureId;
+    private String courseId;
 
     private Set<Question> questions = new HashSet<>();
 
@@ -33,13 +33,13 @@ public class Exercise extends DomainObject {
      *
      * @param name        exercise name
      * @param description exercise description
-     * @param lectureId   id of lecture to which exercise belongs
+     * @param courseId   id of lecture to which exercise belongs
      * @param questions   question exercise contains
      */
-    public Exercise(String name, String description, String lectureId, Set<Question> questions) {
+    public Exercise(String name, String description, String courseId, Set<Question> questions) {
         this.name = name;
         this.description = description;
-        this.lectureId = lectureId;
+        this.courseId = courseId;
         this.questions = Objects.requireNonNullElseGet(questions, HashSet::new);
     }
 }