/// <summary>
/// Adds a parameter to the request.
/// </summary>
/// <param name="param"><see cref="SteamRequestParameter"/> to add to the request.</param>
/// <returns>This request</returns>
public ISteamRequest AddParameter( SteamRequestParameter param )
{
// If a parameter with this name and type already exists, delete it so we can add the newer version
// (There's a tradeoff here, going from O(1) to O(n), but it saves headaches when not getting expected behavior
// because the Steam endpoint is evaluating two of the same parameter)
Parameters.RemoveAll( p => p.Name == param.Name && p.Type == param.Type );
Parameters.Add( param );
return this;
}
/// <summary>
/// Utility method for POST requests. We must produce an object array such that it can be serialized (non-Raw POST style requests).
/// </summary>
/// <param name="request">Request to be evaluated.</param>
/// <param name="body">Current parameter intended for addition to the body of the request.</param>
/// <returns>Content which can be sent over the HTTP Request, including all parameters (both body and GetOrPost).</returns>
private string SerializeBodyWithParameters( ISteamRequest request, SteamRequestParameter body, PostDataFormat format )
{
Dictionary<string, object> output = new Dictionary<string, object>();
IEnumerable<SteamRequestParameter> parameters = request.Parameters.Where( p => p.Type == ParameterType.GetOrPost );
foreach( var p in parameters ) {
output.Add( p.Name, p.Value );
}
if( format == PostDataFormat.Json ) {
if( body != null && output.Count < 1 )
return JsonConvert.SerializeObject( body.Value );
else if( body != null ) {
output.Add( body.Name, body.Value );
return JsonConvert.SerializeObject( output );
} else {
return JsonConvert.SerializeObject( output );
}
} else {
var payload = new StringBuilder();
foreach( SteamRequestParameter p in parameters ) {
if( payload.Length > 1 )
payload.Append( "&" );
string appendValue = ( p.IsUrlEncoded ) ? p.Value.ToString() : Uri.EscapeDataString( p.Value.ToString() );
payload.AppendFormat( "{0}={1}", Uri.EscapeDataString( p.Name ), appendValue );
}
if( body != null && body.Value != null )
payload.AppendFormat( "{0}={1}", body.Name, body.Value.ToString() );
return payload.ToString();
}
}