Exemple #1
0
        internal Message DeleteCourseOnId(int courseId)
        {
            Message msg = new Message();

            try
            {
                var course = query.GetCourseById(context, courseId);
                if (course != null)
                {
                    query.DeleteCourseOnId(context, course);
                    msg.status = true;
                }
                else
                {
                    msg.message = $"There is no Course with id = {courseId}";
                    msg.status  = false;
                }
            }
            catch (Exception e)
            {
                msg.message = $"Internal Error : {e}";
                msg.status  = false;
            }
            return(msg);
        }
Exemple #2
0
        public Message RegisterStudentToCourse(StudentIdCourseId studentIdCourseId)
        {
            Message msg = new Message();

            CourseQuery courseQuery = new CourseQuery();
            StudentCourseCollegeQuery studentCourseCollegeQuery = new StudentCourseCollegeQuery();
            StudentQuery studentQuery = new StudentQuery();


            if (query.IsStudentRegisteredtoCourse(context, studentIdCourseId.StudentId, studentIdCourseId.CourseId))
            {
                msg.status  = false;
                msg.message = "Student is already registered to the course";
            }
            else if (!query.StudentExists(context, studentIdCourseId.StudentId) ||
                     !courseQuery.courseExistsOnId(context, studentIdCourseId.CourseId))
            {
                msg.status  = false;
                msg.message = "The Student/Course is not registered";
            }


            var college = AllotCollege(studentIdCourseId);

            if (college == null)
            {
                msg.status  = false;
                msg.message = "No colleges currently offer this course";
            }

            StudentCourseCollege studentCourseCollege = new StudentCourseCollege()
            {
                CollegeId = college.Id,
                StudentId = studentIdCourseId.StudentId,
                CourseId  = studentIdCourseId.CourseId,
            };

            try
            {
                studentCourseCollegeQuery.RegisterStudentToCourseAndCollege(context, studentCourseCollege);
                var course = courseQuery.GetCourseById(context, studentIdCourseId.CourseId);
                msg.status  = true;
                msg.message = $"Alloted College: {college.Name} (Id : {college.Id})\n for Course : {course.courseName} (id : {course.Id})";
            }
            catch (Exception e)
            {
                msg.status  = false;
                msg.message = $"Internal Error : {e.Message}";
            }

            return(msg);
        }