Revert courses.go

api/courses.go

@@ -286,17 +286,12 @@ func (r coursesRoutes) getPinned(c *gin.Context) {
 	user := tumLiveContext.User
 	resp := make([]model.CourseDTO, 0, len(pinnedCourses))
 	for _, course := range pinnedCourses {
-		enrolled := false
-		if  user != nil {
-			var err error
-			// todo: check if user is allowed to see the course
-			// -> Get full course from database
-			enrolled, err = r.CoursesDao.IsUserEnrolledInCourse(tumLiveContext.User.ID, course.ID)
-			if err != nil {
-				enrolled = false
-			}
+		// todo: check if user is allowed to see the course
+		// -> Get full course from database
+		enrolled, err := r.CoursesDao.IsUserEnrolledInCourse(tumLiveContext.User.ID, course.ID)
+		if err != nil {
+			enrolled = false
 		}
-
 		if course.Visibility == "enrolled" && !enrolled {
 			continue
 		}