// GET: Tasks?page=1&status=All
public async Task <IActionResult> Index([FromQuery] int page = 1, [FromQuery] FilteredTaskStatus status = FilteredTaskStatus.All)
{
IPagedList <ToDoTask> tasks = await _taskService.GetPage(page, 10, status);
TaskIndexViewModel viewModel = new TaskIndexViewModel()
{
Tasks = ToMappedPagedList <ToDoTask, TaskListElementViewModel>(tasks),
FilteredStatus = status
};
return(View(viewModel));
}
public Task <IPagedList <ToDoTask> > GetPage(int page, int tasksPerPage, FilteredTaskStatus filteredStatus)
{
IQueryable <ToDoTask> query = _ctx.Tasks.AsNoTracking();
if (filteredStatus != FilteredTaskStatus.All)
{
query = query.Where(x => x.Status == filteredStatus.ToTaskStatus());
}
return(query.OrderBy(x => x.Status)
.ThenByDescending(x => x.Priority)
.ToPagedListAsync(page, tasksPerPage));
}
public static TaskStatus ToTaskStatus(this FilteredTaskStatus filteredStatus)
{
switch (filteredStatus)
{
case FilteredTaskStatus.Finished:
return(TaskStatus.Finished);
case FilteredTaskStatus.Unfinished:
return(TaskStatus.Unfinished);
case FilteredTaskStatus.All:
default:
throw new InvalidCastException("No such value in other enum");
}
}