public static IServiceCollection AddHubApi(this IServiceCollection serviceCollection, Action <HubApiConfiguration> configure)
{
var hubApiDoc = new HubApiConfiguration();
configure?.Invoke(hubApiDoc);
serviceCollection.AddSingleton(hubApiDoc);
return(serviceCollection);
}
public static IApplicationBuilder UseHubApi(this IApplicationBuilder app)
{
var config = app.ApplicationServices.GetService <HubApiConfiguration>();
if (config == null)
{
config = new HubApiConfiguration();
}
app.UseMiddleware <HubApiMiddleware>(config);
return(app);
}
public HubApiMiddleware(RequestDelegate next, HubApiConfiguration hubApiConfiguration)
{
_next = next;
_hubApiConfiguration = hubApiConfiguration;
}
public static FileContent GetFile(string requestPath, HubApiConfiguration hubApiConfiguration)
{
var basePath = hubApiConfiguration.ApiInfo?.HubApiEndpoint ?? "/hubapi";
string filePath;
if (!basePath.StartsWith("/"))
{
basePath = "/" + basePath;
}
if (!requestPath.StartsWith(basePath))
{
return(new FileContent());
}
if (requestPath.EndsWith("/"))
{
requestPath = requestPath.Substring(0, requestPath.Length - 1);
}
if (requestPath.EndsWith("api.json"))
{
var schemaSettings = new JsonSchemaGeneratorSettings
{
SerializerSettings = JsonSerializerSettings,
GenerateExamples = true,
SchemaType = SchemaType.JsonSchema,
GenerateAbstractSchemas = false,
DefaultReferenceTypeNullHandling = ReferenceTypeNullHandling.NotNull
};
var schema = new JsonSchema();
var resolver = new JsonSchemaResolver(schema, schemaSettings);
var generator = new JsonSchemaGenerator(schemaSettings);
generator.Generate(schema, typeof(object), resolver);
var jDoc = JObject.FromObject(hubApiConfiguration);
// generate schema definitions
foreach (var hub in hubApiConfiguration.Hubs)
{
foreach (var hubMethod in hub.Methods)
{
if (hubMethod.Response.Type != typeof(void) && hubMethod.Response.Type != typeof(Task))
{
generator.Generate(hubMethod.Response.Type, resolver);
}
foreach (var parameter in hubMethod.Parameters)
{
generator.Generate(parameter.Type, resolver);
}
}
foreach (var clientMethod in hub.ClientMethods)
{
if (clientMethod.Response.Type != typeof(void) && clientMethod.Response.Type != typeof(Task))
{
generator.Generate(clientMethod.Response.Type, resolver);
}
foreach (var parameter in clientMethod.Parameters)
{
generator.Generate(parameter.Type, resolver);
}
}
}
var schemaJObject = JObject.Parse(schema.ToJson());
jDoc["definitions"] = schemaJObject["definitions"];
var buffer = Encoding.UTF8.GetBytes(jDoc.ToString(Formatting.None));
var fileResult = new FileContent(requestPath, buffer);
return(fileResult);
}
if (requestPath.Equals(basePath))
{
filePath = "index.html";
}
else
{
filePath = requestPath.Substring(basePath.Length + 1);
filePath = filePath.Replace("/", ".");
}
var embeddedResource = $"{typeof(HubApiConfiguration).Namespace}.web.{filePath}";
using (var stream = typeof(HubApiConfiguration).Assembly.GetManifestResourceStream(embeddedResource))
{
byte[] buffer = null;
if (stream != null)
{
buffer = ReadToEnd(stream);
}
var fileResult = new FileContent(filePath, buffer);
return(fileResult);
}
}