IEnumerable <Todo> FilterTodos(IEnumerable <Todo> todos, TodoFilterDTO filter)
{
if (!filter.LabelIds.Any())
{
return(todos);
}
Func <Todo, bool> predicate = filter.LabelsMode switch {
TodoFilterLabelsMode.Intersection =>
todo => filter.LabelIds.All(labelId => todo.Labels.Any(label => label.Id == labelId)),
_ =>
todo => todo.Labels.Any(label => filter.LabelIds.Contains(label.Id))
};
return(todos.Where(predicate));
}
}
private IQueryable <Todo> GetQuery(string userLogin, TodoFilterDTO filter)
{
IQueryable <Todo> query = _todosRepository.ReadQuery()
.Where(todo => todo.UserLogin == userLogin)
.Include(todo => todo.Labels)
.OrderBy(todo => todo.Order);
switch (filter.IncludeMode)
{
case TodoIncludeMode.Done:
query = query.Where(todo => todo.Done);
break;
case TodoIncludeMode.Undone:
query = query.Where(todo => !todo.Done);
break;
}
return(query);
}
public async Task <ActionResult <IEnumerable <TodoReadDTO> > > GetFilteredTodos([FromQuery] TodoFilterDTO filter)
{
var request = new GetFilteredTodosQuery(User.Identity?.Name, filter ?? new TodoFilterDTO());
var todos = await _mediator.Send(request);
return(todos.Any() ? Ok(todos) : NoContent());
}
public GetFilteredTodosQuery(string?userLogin, TodoFilterDTO filter) : base(userLogin)
{
Filter = filter;
}
