/// <summary>
/// Returns an object of type T created from the deserialization of the JSON response to the passed interface/method/version with the included parameters.
/// </summary>
/// <typeparam name="T">Type to deserialize into</typeparam>
/// <param name="httpMethod">Determines GET or POST request</param>
/// <param name="interfaceName">Name of web API interface to call</param>
/// <param name="methodName">Name of web API method to call</param>
/// <param name="methodVersion">Name of web API method version</param>
/// <param name="parameters">List of parameters to append to the web API call</param>
/// <returns>Deserialized object from JSON response</returns>
private async Task <ISteamWebResponse <T> > SendWebRequestAsync <T>(HttpMethod httpMethod, string interfaceName, string methodName, int methodVersion, IList <SteamWebRequestParameter> parameters = null)
{
Debug.Assert(!String.IsNullOrWhiteSpace(interfaceName));
Debug.Assert(!String.IsNullOrWhiteSpace(methodName));
Debug.Assert(methodVersion > 0);
if (parameters == null)
{
parameters = new List <SteamWebRequestParameter>();
}
parameters.Insert(0, new SteamWebRequestParameter("key", steamWebApiKey));
HttpResponseMessage httpResponse = null;
if (httpMethod == HttpMethod.GET)
{
string command = BuildRequestCommand(interfaceName, methodName, methodVersion, parameters);
httpResponse = await httpClient.GetAsync(command).ConfigureAwait(false);
}
else if (httpMethod == HttpMethod.POST)
{
// Null is passed instead of the parameters so that they are not appended to the URL.
string command = BuildRequestCommand(interfaceName, methodName, methodVersion, null);
// Instead, parameters are passed through this container.
FormUrlEncodedContent content = BuildRequestContent(parameters);
httpResponse = await httpClient.PostAsync(command, content).ConfigureAwait(false);
}
var headers = httpResponse.Content?.Headers;
// extract http headers that we care about
SteamWebResponse <T> steamWebResponse = new SteamWebResponse <T>()
{
ContentLength = headers?.ContentLength,
ContentType = headers?.ContentType?.MediaType,
ContentTypeCharSet = headers?.ContentType?.CharSet,
Expires = headers?.Expires,
LastModified = headers?.LastModified,
};
// deserialize the content if we have any as indicated by the response code
if (httpResponse.StatusCode != HttpStatusCode.NoContent)
{
string responseContent = await httpResponse.Content.ReadAsStringAsync();
responseContent = CleanupResponseString(responseContent);
steamWebResponse.Data = JsonConvert.DeserializeObject <T>(responseContent);
}
return(steamWebResponse);
}
/// <summary>
/// Returns an object of type T created from the deserialization of the JSON response to the passed interface/method/version with the included parameters.
/// </summary>
/// <typeparam name="T">Type to deserialize into</typeparam>
/// <param name="httpMethod">Determines GET or POST request</param>
/// <param name="interfaceName">Name of web API interface to call</param>
/// <param name="methodName">Name of web API method to call</param>
/// <param name="methodVersion">Name of web API method version</param>
/// <param name="parameters">List of parameters to append to the web API call</param>
/// <returns>Deserialized object from JSON response</returns>
private async Task <ISteamWebResponse <T> > SendWebRequestAsync <T>(HttpMethod httpMethod, string interfaceName, string methodName, int methodVersion, IList <SteamWebRequestParameter> parameters = null)
{
if (string.IsNullOrWhiteSpace(interfaceName))
{
throw new ArgumentNullException(nameof(interfaceName));
}
if (string.IsNullOrWhiteSpace(methodName))
{
throw new ArgumentNullException(nameof(methodName));
}
if (methodVersion <= 0)
{
throw new ArgumentOutOfRangeException(nameof(methodVersion));
}
if (parameters == null)
{
parameters = new List <SteamWebRequestParameter>();
}
parameters.Insert(0, new SteamWebRequestParameter("key", steamWebApiKey));
//parameters.Insert(0, new SteamWebRequestParameter("feeds", "SteamDB")); -- Demonstration of Implementing Feeds Parameter
//parameters.Insert(0, new SteamWebRequestParameter("tags", "halloween")); -- Demonstration of Implementing Tags Parameter
HttpResponseMessage httpResponse = null;
if (httpMethod == HttpMethod.GET)
{
string command = BuildRequestCommand(interfaceName, methodName, methodVersion, parameters);
httpResponse = await httpClient.GetAsync(command).ConfigureAwait(false);
httpResponse.EnsureSuccessStatusCode();
if (httpResponse.Content == null)
{
httpResponse = new HttpResponseMessage(HttpStatusCode.NoContent);
}
}
else if (httpMethod == HttpMethod.POST)
{
// Null is passed instead of the parameters so that they are not appended to the URL.
string command = BuildRequestCommand(interfaceName, methodName, methodVersion, null);
// Instead, parameters are passed through this container.
FormUrlEncodedContent content = BuildRequestContent(parameters);
httpResponse = await httpClient.PostAsync(command, content).ConfigureAwait(false);
httpResponse.EnsureSuccessStatusCode();
if (httpResponse.Content == null)
{
httpResponse = new HttpResponseMessage(HttpStatusCode.NoContent);
}
}
var headers = httpResponse.Content?.Headers;
// extract http headers that we care about
SteamWebResponse <T> steamWebResponse = new SteamWebResponse <T>()
{
ContentLength = headers?.ContentLength,
ContentType = headers?.ContentType?.MediaType,
ContentTypeCharSet = headers?.ContentType?.CharSet,
Expires = headers?.Expires,
LastModified = headers?.LastModified,
};
// deserialize the content if we have any as indicated by the response code
if (httpResponse.StatusCode != HttpStatusCode.NoContent && httpResponse.Content != null)
{
string responseContent = await httpResponse.Content.ReadAsStringAsync();
responseContent = CleanupResponseString(responseContent);
steamWebResponse.Data = JsonConvert.DeserializeObject <T>(responseContent);
}
return(steamWebResponse);
}
