public GetCourseDetailRespond GetCourseDetail(string id)
{
var isArgumentValid = !string.IsNullOrEmpty(id);
if (!isArgumentValid) return null;
var selectedCourse = _repo.GetCourseCatalogById(id);
if (selectedCourse == null) return null;
var relatedCourses = GetRelatedCourses(selectedCourse.GroupName)
.Where(it => it.id != id)
.Select(it=>new GetCourseDetailRespond.RelatedCourse
{
CourseId = it.id,
Name = it.Name
}).ToList();
var result = new GetCourseDetailRespond
{
id = selectedCourse.id,
Grade = selectedCourse.Grade,
GroupName = selectedCourse.GroupName,
CreatedDate = selectedCourse.CreatedDate,
Description = selectedCourse.FullDescription,
DescriptionImageUrl = selectedCourse.DescriptionImageUrl,
ImageUrl = selectedCourse.FullImageUrl,
Name = selectedCourse.Name,
Price = selectedCourse.Price,
Title = selectedCourse.Title,
TotalWeeks = selectedCourse.Semesters.SelectMany(it => it.Units).SelectMany(it=>it.Lessons).Count(),
RelatedCourses = relatedCourses,
Semesters = selectedCourse.Semesters.Select(semester => new GetCourseDetailRespond.Semester
{
Description = semester.Description,
Name = semester.Name,
Title = semester.Title,
TotalWeeks = semester.Units.SelectMany(unit => unit.Lessons).Count(),
Units = semester.Units.Select(unit => new GetCourseDetailRespond.Unit
{
Description = unit.Description,
Title = unit.Title,
TotalWeeks = unit.Lessons.Count(),
UnitNo = unit.Order,
Lessons = unit.Lessons.Select(lesson => new GetCourseDetailRespond.Lesson
{
id = lesson.id,
Order = lesson.Order,
Contents = lesson.Contents.Select(it=>new GetCourseDetailRespond.LessonContent
{
Description = it.Description,
ImageUrl = it.ImageUrl
}).ToList()
}).ToList()
}).ToList()
}).ToList()
};
return result;
}
public GetCourseDetailRespond GetCourseDetail(string id)
{
var isArgumentValid = !string.IsNullOrEmpty(id);
if (!isArgumentValid) return null;
var selectedCourse = _repo.GetCourseCatalogById(id);
var isCourseValid = selectedCourse != null && !selectedCourse.DeletedDate.HasValue;
if (!isCourseValid) return null;
var relatedCourses = GetRelatedCourses(selectedCourse.GroupName)
.Where(it => it.id != id)
.Select(it => new GetCourseDetailRespond.RelatedCourse
{
CourseId = it.id,
Name = it.Name
}).ToList();
var result = new GetCourseDetailRespond
{
id = selectedCourse.id,
GroupName = selectedCourse.GroupName,
Grade = selectedCourse.Grade,
SideName = selectedCourse.SideName,
PriceUSD = selectedCourse.PriceUSD,
Series = selectedCourse.Series,
Title = selectedCourse.Title,
FullDescription = selectedCourse.FullDescription,
DescriptionImageUrl = selectedCourse.DescriptionImageUrl,
TotalWeeks = selectedCourse.TotalWeeks,
CreatedDate = selectedCourse.CreatedDate,
RelatedCourses = relatedCourses,
Semesters = selectedCourse.Semesters.Select(semester => new GetCourseDetailRespond.Semester
{
Name = semester.Name,
Title = semester.Title,
Description = semester.Description,
TotalWeeks = semester.TotalWeeks,
Units = semester.Units.Select(unit => new GetCourseDetailRespond.Unit
{
UnitNo = unit.Order,
Title = unit.Title,
Description = unit.Description,
TotalWeeks = unit.TotalWeeks,
Lessons = unit.Lessons.Select(lesson => new GetCourseDetailRespond.Lesson
{
id = lesson.id,
Order = lesson.Order,
Contents = lesson.Contents.Select(it => new GetCourseDetailRespond.LessonContent
{
ContentUrl = it.ContentURL,
Description = it.Description,
ImageUrl = it.ImageUrl,
IsPreviewable = it.IsPreviewable,
})
})
})
}).ToList()
};
return result;
}