public IActionResult Index(
[Bind(nameof(MainViewData.Scope),
nameof(MainViewData.CourseToDisplay),
nameof(MainViewData.CourseType),
nameof(MainViewData.Order),
nameof(MainViewData.Scope))] MainViewData model, int page = 1)
{
var result = model;
List <Announcement> announcements;
if (model.Scope == Scope.Courses)
{
announcements = announcementService.GetAnnouncementsForUserCourses(userManager.GetUserId(User));
}
else
{
announcements = announcementService.GetGeneralAnnouncements();
}
result.UsersWithAnnouncements = announcementService.GetUsersWithAnnouncements();
result.Courses = coursesService.GetUserAssignedCourses(userManager.GetUserId(User))
.Select(userCourse => userCourse.Course)
.Distinct()
.ToList();
if (!string.IsNullOrEmpty(model.CourseToDisplay))
{
announcementService.FilterByCourseName(ref announcements, model.CourseToDisplay);
}
if (model.CourseType.HasValue)
{
announcementService.FilterByCourseType(ref announcements, model.CourseType.Value);
}
announcementService.SortAnnouncements(ref announcements, model.Order);
result.Announcements = announcements;
result.PagingInfo = new PagingInfo
{
CurrentPage = page,
ItemsPerPage = pageSize,
TotalItems = result.Announcements.Count()
};
result.Announcements = result.Announcements.Skip((page - 1) * pageSize).Take(pageSize).ToList();
return(View(result));
}