private CourseReadDTO MapToCourseReadDTO(Course course)
{
CourseReadDTO courseData = new CourseReadDTO
{
Id = course.Id,
Title = course.Title,
Teacher = new TeacherBasicDetailDTO
{
Id = course.Teacher.Id,
FirstName = course.Teacher.FirstName,
LastName = course.Teacher.LastName,
Gender = course.Teacher.Gender,
Salary = course.Teacher.Salary,
StaffId = course.Teacher.StaffId
},
Subject = course.Subject.ToString(),
CourseId = course.CourseId,
CourseLevel = course.CourseLevel.ToString()
};
courseData.Students = context.Enrollments
.Where(e => e.CourseId == course.Id)
.Select(e => new StudentBasicDetailDTO
{
Id = e.Student.Id,
FirstName = e.Student.FirstName,
LastName = e.Student.LastName
})
.ToList();
return(courseData);
}
public async Task <ActionResult <IEnumerable <CourseReadDTO> > > GetCourses()
{
var courses = context.Courses
.Include(c => c.Teacher)
.ToList();
var coursesData = new List <CourseReadDTO>();
foreach (var course in courses)
{
CourseReadDTO courseData = MapToCourseReadDTO(course);
coursesData.Add(courseData);
}
return(coursesData);
}
public async Task <ActionResult <IEnumerable <CourseReadDTO> > > SearchCourses(string query)
{
var courses = await context.Courses
.Where(c => c.Title.Contains(query))
.Include(c => c.Teacher)
.ToListAsync();
var coursesData = new List <CourseReadDTO>();
if (courses.Count > 0)
{
foreach (var course in courses)
{
CourseReadDTO courseData = MapToCourseReadDTO(course);
coursesData.Add(courseData);
}
}
return(coursesData);
}
public async Task <List <CourseReadDTO> > GetCoursesBySubject(Subject subject)
{
var courses = context.Courses
.Where(c => c.Subject == subject)
.Include(c => c.Teacher)
.ToList();
var coursesData = new List <CourseReadDTO>();
if (courses.Count > 0)
{
foreach (var course in courses)
{
CourseReadDTO courseData = MapToCourseReadDTO(course);
coursesData.Add(courseData);
}
}
return(coursesData);
}