public async Task <ActionResult> GetAll([FromQuery] ProductsParameters parameters)
{
try
{
var products = await UnitOfWork.ProductRepository.GetProducts(parameters);
if (products.Count == 0)
{
return(NoContent());
}
var metaData = new
{
products.CurrentPage,
products.PageSize,
products.TotalPages,
products.TotalCount,
products.HasNext,
products.HasPrevious,
};
Response.Headers.Add("X-Pagination", JsonSerializer.Serialize(metaData));
var productsDto = Mapper.Map <List <ProductDTO> >(products);
return(Ok(productsDto));
}
catch (Exception)
{
return(StatusCode(500, "An error unexpected occurred."));
}
}
public PagedList <Product> GetProducts(ProductsParameters parameters)
{
IQueryable <Product> allProducts = null;
if (!string.IsNullOrEmpty(parameters.Description))
{
allProducts = FindAllByDescription(parameters.Description);
}
else
{
allProducts = FindAll();
}
if (parameters.SellStartDate != default)
{
allProducts = allProducts.Where(p => p.SellStartDate.Equals(parameters.SellStartDate));
}
if (!string.IsNullOrEmpty(parameters.Name))
{
allProducts = allProducts.Where(p => p.Name == parameters.Name);
}
return(PagedList <Product> .ToPagedList(allProducts.OrderBy(p => p.Name),
parameters.PageNumber,
parameters.PageSize));
}
// GET api/products/
public IHttpActionResult Get([FromUri] ProductsParameters parameters)
{
try
{
var allProducts = _repository.Product.GetProducts(parameters);
if (allProducts == null || allProducts.Count() == 0)
{
return(NotFound());
}
var metadata = new
{
allProducts.TotalCount,
allProducts.PageSize,
allProducts.CurrentPage,
allProducts.TotalPages,
allProducts.HasNext,
allProducts.HasPrevious
};
HttpContext.Current.Response.Headers.Add("X-Pagination", JsonConvert.SerializeObject(metadata));
return(Ok(allProducts));
}
catch (Exception ex)
{
return(InternalServerError(ex));
}
}
public async Task <PagedList <Product> > GetProducts(ProductsParameters parameters)
{
var query = GetAll().AsQueryable();
return(await PagedList <Product> .ToPagedList(query, parameters.PageNumber, parameters.PageSize));
}