/// <summary>
/// Initializes a new instance of the <see cref="GraphQLHttpResponseWriter" /> class.
/// </summary>
/// <param name="result">The graphql result to serialize.</param>
/// <param name="documentWriter">The document writer to perform the serailization.</param>
/// <param name="exposeMetrics">if set to <c>true</c> any metrics contained on the result will be exposed and sent to the requestor.</param>
/// <param name="exposeExceptions">if set to <c>true</c> exceptions will be writen to the response stream; otherwise false.</param>
public GraphQLHttpResponseWriter(IGraphOperationResult result, IGraphQueryResponseWriter documentWriter, bool exposeMetrics, bool exposeExceptions)
{
_result = result;
_documentWriter = documentWriter;
_options = new GraphQLResponseOptions()
{
ExposeExceptions = exposeExceptions,
ExposeMetrics = exposeMetrics,
};
}
private async Task <string> WriteResponse(IGraphQueryResponseWriter writer, IGraphOperationResult result, GraphQLResponseOptions options = null)
{
var stream = new MemoryStream();
options = options ?? new GraphQLResponseOptions()
{
ExposeExceptions = true,
ExposeMetrics = true,
};
await writer.WriteAsync(stream, result, options);
stream.Seek(0, SeekOrigin.Begin);
using (var reader = new StreamReader(stream))
return(reader.ReadToEnd());
}
/// <summary>
/// Initializes a new instance of the <see cref="ApolloServerDataMessageConverter"/> class.
/// </summary>
/// <param name="schema">The schema.</param>
/// <param name="responseWriter">The response writer.</param>
public ApolloServerDataMessageConverter(ISchema schema, IGraphQueryResponseWriter responseWriter)
{
_responseWriter = Validation.ThrowIfNullOrReturn(responseWriter, nameof(responseWriter));
_schema = Validation.ThrowIfNullOrReturn(schema, nameof(schema));
}