public static GetRequestParameter[] ToGetRequestParameterArray(
string[] parameterNames,
string[] parameterValues)
{
if (parameterNames.Length != parameterValues.Length)
{
throw new ParameterNameValueArrayLengthMismatchException();
}
GetRequestParameter[] parameters = new GetRequestParameter[parameterNames.Length];
for (int i = 0; i < parameters.Length; i++)
{
parameters[i] = new GetRequestParameter(parameterNames[i], parameterValues[i]);
}
return(parameters);
}
/// <summary>
/// requests from server <see cref="CoinTickers"/> with indices in range
/// [<paramref name="startIndex"/>, (<paramref name="startIndex"/> + <paramref name="numberOfCoins"/>)].
/// </summary>
/// <param name="startIndex"></param>
/// <param name="numberOfCoins"></param>
/// <param name="sortType"></param>
/// <returns>
/// <see cref="CoinTicker"/> array of length <paramref name="numberOfCoins"/> containing
/// <see cref="CoinTicker"/>s of indices in range
/// [[<paramref name="startIndex"/>, (<paramref name="startIndex"/> + <paramref name="numberOfCoins"/>)]
/// </returns>
/// <exception cref="CoinTickerRequestInvalidStartIndexException">
/// thrown if <paramref name="startIndex"/> < 0
/// </exception>
/// <exception cref="CoinTickerRequestInvalidNumberOfCoinsException">
/// thrown if <paramref name="numberOfCoins"/> <= 0 ||
/// <paramref name="numberOfCoins"/> > COIN_TICKER_REQUEST_MAX_NUMBER_OF_COINS
/// </exception>
/// <exception cref="CoinTickerRequestInvalidStartIndexException">
/// thrown if <paramref name="startIndex"/> does not exist in server.
/// </exception>
/// <exception cref="ServerResponseParseException">
/// thrown if server response was invalid.
/// </exception>
public static CoinTicker[] RequestCoinTicker(
int startIndex,
int numberOfCoins,
eSortType sortType = eSortType.Id)
{
if (startIndex < 0) // invalid start index
{
throw new CoinTickerRequestInvalidStartIndexException(startIndex);
}
// invalid number of coins
if (numberOfCoins <= 0 || numberOfCoins > COIN_TICKER_REQUEST_MAX_NUMBER_OF_COINS)
{
throw new CoinTickerRequestInvalidNumberOfCoinsException(1, 100);
}
// prepare request
string uri = TICKER_REQUEST_URL;
GetRequestParameter[] requestParameters = new GetRequestParameter[]
{
new GetRequestParameter("start", startIndex.ToString()),
new GetRequestParameter("limit", numberOfCoins.ToString()),
new GetRequestParameter("sort", sortTypeToString[sortType].ToString()),
new GetRequestParameter("structure", COIN_TICKER_REQUEST_STRUCTURE_TYPE)
};
string serverResponseJson = sendDataRequest(uri, requestParameters);
try
{
CoinTicker[] coinDataArray = CoinTicker.ParseArray(serverResponseJson, startIndex, numberOfCoins);
return(coinDataArray);
}
catch (CoinIndexNotFoundException coinIndexNotFoundException)
{
throw new CoinTickerRequestInvalidStartIndexException(startIndex, coinIndexNotFoundException);
}
catch (CoinTickerJsonParseException coinTickerJsonParseException)
{
throw new ServerResponseParseException(coinTickerJsonParseException);
}
}
public IEnumerable <ChatMessage> Get([FromUri] GetRequestParameter parameter)
{
var utc = parameter.Start.ToUniversalTime();
return(_provider.GetMessages(parameter.StreamId, utc, parameter.Duration));
}
public HttpGetRequestHandler(string uri, string[] parameterNames, string[] parameterValues)
: this(uri, GetRequestParameter.ToGetRequestParameterArray(parameterNames, parameterValues))
{
}
