private async Task <IActionResult> GetListView(string userId, CourseListType courseListType)
{
var listItems = (await appCourseListService.GetCoursesInListForApplicationUserAsync(Guid.Parse(userId), courseListType)).ToList();
ViewBag.IsShoppingList = courseListType == CourseListType.ShoppingCart;
return(View("List", listItems));
}
public async Task AddCourseToListAsync(Guid applicationUserId, int courseId, CourseListType itemListType)
{
if (await IsInListAsync(courseId, applicationUserId, itemListType))
{
return;
}
courseContext.AppLists.Add(
new AppCourseList
{
ApplicationUserId = applicationUserId,
CourseId = courseId,
CourseListType = itemListType,
InsertedTime = DateTime.UtcNow
});
await courseContext.SaveChangesAsync();
}
public async Task RemoveCourseFromListAsync(Guid applicationUserId, int courseId, CourseListType listType)
{
var dbListItem = await courseContext.AppLists.FirstOrDefaultAsync(al => al.ApplicationUserId == applicationUserId && al.CourseId == courseId && al.CourseListTypeId == (int)listType);
if (dbListItem != null)
{
courseContext.AppLists.Remove(dbListItem);
await courseContext.SaveChangesAsync();
}
}
public async Task <bool> IsInListAsync(int courseId, Guid applicationUserId, CourseListType listType)
{
return(await
courseContext.AppLists.AnyAsync(l => l.ApplicationUserId == applicationUserId && l.CourseId == courseId && l.CourseListTypeId == (int)listType));
}
public async Task <IEnumerable <Course> > GetCoursesInListForAppUserAsync(Guid applicationUserId, CourseListType listType)
{
return(await
courseContext.AppLists
.Where(al => al.ApplicationUserId == applicationUserId && al.CourseListTypeId == (int)listType)
.Join(courseContext.Courses, al => al.CourseId, c => c.CourseId, (al, c) => c)
.ToListAsync());
}
public async Task <bool> IsInListAsync(int courseId, string applicationUserId, CourseListType listType)
{
return(await appCourseListRepository.IsInListAsync(courseId, Guid.Parse(applicationUserId), listType));
}
public async Task <IEnumerable <Course> > GetCoursesInListForApplicationUserAsync(Guid applicationUserId, CourseListType listType)
{
return(await appCourseListRepository.GetCoursesInListForAppUserAsync(applicationUserId, listType));
}
