public static string GetAll(
PagingQueryParams paging = null,
SortingQueryParams sorting = null,
FilterQueryParams filtering = null)
{
var baseUrl = $"{BaseUrl}";
var queryParams = new Dictionary <string, string>();
if (paging != null)
{
queryParams.Add(nameof(PagingQueryParams.Page), $"{paging.Page}");
queryParams.Add(nameof(PagingQueryParams.PageSize), $"{paging.PageSize}");
}
if (filtering != null)
{
queryParams.Add(nameof(SortingQueryParams.SortQueryExpression), $"{sorting.SortQueryExpression}");
}
if (sorting != null)
{
queryParams.Add(nameof(FilterQueryParams.SearchTerm), $"{filtering.SearchTerm}");
}
return(QueryHelpers.AddQueryString(baseUrl, queryParams));
}
public async Task <IActionResult> GetAll(
[FromQuery] PagingQueryParams pagingParams,
[FromQuery] SortingQueryParams sortingParams,
[FromQuery] FilterQueryParams filteringParams,
CancellationToken cancellationToken = default)
{
return(Ok(await Mediator.Send(new GetItemsQuery(pagingParams, sortingParams, filteringParams),
cancellationToken)));
}
/// <summary>
/// Builds and retrieves Item sorting function
/// </summary>
/// <param name="sortBy">Describes sorting parameter name</param>
/// <param name="direction">Describes sorting direction</param>
/// <returns>Function which when executed returns sorted input</returns>
internal Func <IQueryable <Item>, IOrderedQueryable <Item> > GetSortFn(SortingQueryParams parameters)
{
if (string.IsNullOrWhiteSpace(parameters.SortQueryExpression))
{
return(null);
}
return(items => new Sorter <Item>(_logger).Sort(items, parameters.SortQueryExpression) as IOrderedQueryable <Item>);
}
public GetItemsQuery(PagingQueryParams pagingParams, SortingQueryParams sortingParams, FilterQueryParams filteringParams)
{
PagingParams = pagingParams;
SortingParams = sortingParams;
FilteringParams = filteringParams;
}
