private string CreateProductsResourceUri(OrderDtoParameter parameters, ResourceUriType type)
{
switch (type)
{
case ResourceUriType.PreviousPage:
return(Url.Link(nameof(GetOrders), new
{
UserID = parameters.UserID,
PageNumber = parameters.PageNumber - 1,
PageSize = parameters.PageSize
}));
case ResourceUriType.NextPage:
return(Url.Link(nameof(GetOrders), new
{
UserID = parameters.UserID,
PageNumber = parameters.PageNumber + 1,
PageSize = parameters.PageSize
}));
default:
return(Url.Link(nameof(GetOrders), new
{
UserID = parameters.UserID,
PageNumber = parameters.PageNumber,
PageSize = parameters.PageSize
}));
}
}
public async Task <ActionResult <IEnumerable <OrderDto> > > GetOrders([FromQuery] OrderDtoParameter parameter)
{
var role = User.FindFirst(ClaimTypes.Role)?.Value;
if (role != "Admin")
{
parameter.UserID = new Guid(User.FindFirst(ClaimTypes.NameIdentifier)?.Value);
}
var queryable = orderRepository.GetQueryableOrder()
.Include(o => o.OrderItems)
.Where(o => !o.IsDeleted);
if (parameter.UserID != null)
{
queryable = queryable.Where(o => o.UserID.Equals(parameter.UserID));
}
if (parameter.Status != null)
{
queryable = queryable.Where(o => o.Status.Equals(parameter.Status));
}
queryable = queryable.OrderByDescending(o => o.OrderTime);
var pagedOrders = await PagedList <Order> .Create(queryable, parameter.PageNumber, parameter.PageSize);
var previousPageLink = pagedOrders.HasPrevious
? CreateProductsResourceUri(parameter, ResourceUriType.PreviousPage)
: null;
var nextPageLink = pagedOrders.HasNext
? CreateProductsResourceUri(parameter, ResourceUriType.NextPage)
: null;
var paginationMetadata = new
{
totalCount = pagedOrders.TotalCount,
pageSize = pagedOrders.PageSize,
currentPage = pagedOrders.CurrentPage,
totalPages = pagedOrders.TotalPages,
previousPageLink,
nextPageLink
};
Response.Headers.Add("X-Pagination", JsonSerializer.Serialize(paginationMetadata, new JsonSerializerOptions
{
Encoder = JavaScriptEncoder.UnsafeRelaxedJsonEscaping
}));
var orderDtos = mapper.Map <IEnumerable <OrderDto> >(pagedOrders);
return(Ok(orderDtos));
}