public bool MoveNext()
{
// initial load
if (_itemRange == null)
{
var initialData = _fetch(null);
_itemRange = initialData.ItemRange;
_page = initialData.Data.GetEnumerator();
return(_page.MoveNext());
}
if (_page.MoveNext())
{
return(true);
}
if (_itemRange.IsComplete)
{
return(false);
}
// page load
var nextPage = _fetch(_itemRange.Increment());
_itemRange = nextPage.ItemRange;
_page = nextPage.Data.GetEnumerator();
return(_page.MoveNext());
}
/// <summary>
/// Initializes a new instance of the <see cref="ApiResponse<T>" /> class.
/// </summary>
/// <param name="statusCode">HTTP status code.</param>
/// <param name="headers">HTTP headers.</param>
/// <param name="data">Data (parsed HTTP body)</param>
public ApiResponse(int statusCode, IDictionary <string, string> headers, T data)
{
this.StatusCode = statusCode;
this.Headers = headers;
this.Data = data;
ItemRange itemRange;
ItemRange.TryParse(headers, out itemRange);
ItemRange = itemRange;
}
public static bool TryParse(IDictionary <string, string> headers, out ItemRange range)
{
range = null;
if (headers == null || !headers.ContainsKey(HeaderName))
{
return(false);
}
var match = ItemRangeHeaderRegex.Value.Match(headers[HeaderName]);
if (!match.Success)
{
return(false);
}
int start, end, total;
range = new ItemRange {
IsAllResults = match.Groups["all"].Success,
Start = int.TryParse(match.Groups["start"].Value, out start) ? start : -1,
End = int.TryParse(match.Groups["end"].Value, out end) ? end : -1,
Total = int.TryParse(match.Groups["total"].Value, out total) ? total : -1,
};
return(true);
}
public PagedResultCollection(IEnumerable <T> enumerable, ItemRange itemRange)
{
_enumerable = enumerable;
Count = itemRange.Total;
_itemRange = itemRange;
}
public void Reset()
{
_itemRange = null;
_page = null;
}