public static async Task <HttpResponseMessage> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, methods: new string[] { "GET", "POST", "PUT", "OPTIONS" })] HttpRequestMessage req,
TraceWriter log,
[Inject(typeof(IUsersApi))] IUsersApi usersApi)
{
var httpMethods = new Dictionary <string, Func <HttpRequestMessage, TraceWriter, Task <HttpResponseMessage> > >
{
{ "GET", async(r, l) => await usersApi.Get(r, l) },
{ "POST", async(r, l) => await usersApi.Post(r, l) },
{ "PUT", async(r, l) => await usersApi.Put(r, l) },
};
var response = httpMethods.ContainsKey(req.Method.Method) ? await httpMethods[req.Method.Method](req, log)
: req.CreateResponse(req.Method.Method == "OPTIONS" ? HttpStatusCode.OK : HttpStatusCode.NotFound);
AddCORSHeader(req, response, $"GET, POST, PUT, OPTIONS");
return(response);
}