Update courses.go

TUM-Dev · Dec 6, 2024 · e1107d2 · e1107d2
1 parent c75cf8f
commit e1107d2
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/dao/courses.go b/dao/courses.go
@@ -343,7 +343,11 @@ func (d coursesDao) DeleteCourse(course model.Course) {
 
 func (d coursesDao) IsUserEnrolledInCourse(user uint, course uint) (bool, error) {
 	var nRows int64
-	err := DB.Table("course_users").Where("user_id = ? AND course_id = ?", user, course).Count(&nRows).Error
+	var err error
+	if DB == nil {
+		return false, err
+	}
+	err = DB.Table("course_users").Where("user_id = ? AND course_id = ?", user, course).Count(&nRows).Error
 	if err != nil {
 		return false, err
 	}