public AsyncApiMiddleware(RequestDelegate next, IOptions <AsyncApiOptions> options, IAsyncApiDocumentProvider asyncApiDocumentProvider, IAsyncApiDocumentSerializer asyncApiDocumentSerializer)
{
_next = next;
_asyncApiDocumentProvider = asyncApiDocumentProvider;
_asyncApiDocumentSerializer = asyncApiDocumentSerializer;
_options = options.Value;
}
private async Task RespondWithAsyncApiSchemaJson(HttpResponse response, AsyncApiSchema.v2.AsyncApiDocument asyncApiSchema, IAsyncApiDocumentSerializer asyncApiDocumentSerializer)
{
var asyncApiSchemaSerialized = asyncApiDocumentSerializer.Serialize(asyncApiSchema);
response.StatusCode = (int)HttpStatusCode.OK;
response.ContentType = asyncApiDocumentSerializer.ContentType;
await response.WriteAsync(asyncApiSchemaSerialized);
}
public async Task Invoke(HttpContext context, IAsyncApiDocumentProvider asyncApiDocumentProvider, IAsyncApiDocumentSerializer asyncApiDocumentSerializer)
{
if (!IsRequestingAsyncApiSchema(context.Request))
{
await _next(context);
return;
}
var asyncApiSchema = asyncApiDocumentProvider.GetDocument();
await RespondWithAsyncApiSchemaJson(context.Response, asyncApiSchema, asyncApiDocumentSerializer);
}
private async Task RespondWithAsyncApiHtml(HttpResponse response, AsyncApiDocument asyncApiSchema, IAsyncApiDocumentSerializer asyncApiDocumentSerializer)
{
var asyncApiHtml = await _memoryCache.GetOrCreateAsync(PlaygroundHtmlCacheKey, async _ =>
{
var asyncApiSchemaJson = asyncApiDocumentSerializer.Serialize(asyncApiSchema);
var asyncApiHtmlResponse = await _client.PostAsync(GenerateApiPath, new StringContent(asyncApiSchemaJson));
return(await asyncApiHtmlResponse.Content.ReadAsStringAsync());
});
response.StatusCode = (int)HttpStatusCode.OK;
response.ContentType = MediaTypeNames.Text.Html;
await response.WriteAsync(asyncApiHtml);
}
public async Task Invoke(HttpContext context, IAsyncApiDocumentProvider asyncApiDocumentProvider, IAsyncApiDocumentSerializer asyncApiDocumentSerializer)
{
if (IsRequestingAsyncApiUi(context.Request))
{
var asyncApiSchema = asyncApiDocumentProvider.GetDocument();
await RespondWithAsyncApiHtml(context.Response, asyncApiSchema, asyncApiDocumentSerializer);
return;
}
await RespondWithProxiedResponse(context.Request, context.Response);
}
private static async Task RespondWithAsyncApiSchemaJson(HttpResponse response, AsyncApiSchema.v2.AsyncApiDocument asyncApiSchema, IAsyncApiDocumentSerializer asyncApiDocumentSerializer, AsyncApiOptions options)
{
var asyncApiSchemaJson = asyncApiDocumentSerializer.Serialize(asyncApiSchema, options);
response.StatusCode = (int)HttpStatusCode.OK;
response.ContentType = asyncApiDocumentSerializer.ContentType;
await response.WriteAsync(asyncApiSchemaJson);
}
