static UpdateCycle <HElement> PushUpdate(HElement page)
{
lock (locker)
{
var lastUpdate = Updates.LastOrDefault();
var cycle = (lastUpdate != null ? lastUpdate.Cycle : 0) + 1;
var update = new UpdateCycle <HElement>(null, cycle, page, null);
Updates = Updates.Skip(Math.Max(Updates.Length - 100, 0)).Concat(new[] { update }).ToArray();
return(update);
}
}
static UpdateCycle <HElement> PushUpdate(HttpContext context, string handlerName, HElement page, object state) //HACK updateCycle меняется после добавления в очередь
{
lock (Updates_Locker(context))
{
var updates = Updates(context);
var lastUpdate = updates.LastOrDefault();
var cycle = (lastUpdate != null ? lastUpdate.Cycle : 0) + 1;
var update = new UpdateCycle <HElement>(handlerName, cycle, page, state);
updates = updates.Skip(Math.Max(updates.Length - 100, 0)).Concat(new[] { update }).ToArray();
context.Session["Wui.updates"] = updates;
return(update);
}
}
public void ProcessRequest(HttpContext context)
{
//context.Response.ContentType = "text/html";
context.Response.Cache.SetCacheability(HttpCacheability.NoCache);
context.Response.Cache.SetExpires(DateTime.Now.AddMinutes(0));
context.Response.Cache.SetMaxAge(new TimeSpan(0));
context.Response.AddHeader("Last-Modified", DateTime.Now.ToLongDateString());
var handlerPair = Handlers.FirstOrDefault(pair => context.Request.Url.Segments.LastOrDefault()._f(_ => _.StartsWith(pair.Key + ".")));
var handler = handlerPair._f(_ => _.Value);
if (handler == null)
{
context.Response.StatusCode = 404;
return;
}
var handlerName = handlerPair.Key;
if (context.Request.Url.AbsolutePath.EndsWith(".js"))
{
//var prevCycle = int.Parse(HttpUtility.ParseQueryString(context.Request.Url.Query).Get("cycle"));
var prevCycle = int.Parse(context.Request.QueryString["cycle"]);
var updates = Updates(context);
var prevUpdate = updates.FirstOrDefault(_update => _update.Handler == handlerName && _update.Cycle == prevCycle);
var prevPage = prevUpdate != null ? prevUpdate.Page : null;
//var prevState = updates.LastOrDefault(_update => _update.Handler == handlerName)._f(_=>_.State);
var prevState = prevUpdate._f(_ => _.State);
var jsonTexts = context.Request.Form.GetValues("commands[]");
JsonData[] json_commands = null;
if (jsonTexts != null && jsonTexts.Length > 0)
{
json_commands = jsonTexts.Select(text => new JsonData(JsonSerializer.Deserialize(new Newtonsoft.Json.JsonTextReader(new System.IO.StringReader(text))))).ToArray();
//if (json_commands != null && json_commands.Length > 1) //HACK
// json_commands = json_commands.Take(1).ToArray();
}
var watcher = new System.Diagnostics.Stopwatch();
watcher.Start();
HtmlResult <HElement> result = handler(prevState, json_commands, new HContext(handlerPair.Key, context));
var update = PushUpdate(context, handlerName, result.Html, result.State);
var page = result.Html;
var isPartial = page.Name.LocalName != "html";
var js_updates = HtmlJavaScriptSynchronizer.JsSync(new HElementProvider(), prevPage == null ? null : isPartial ? prevPage : prevPage.Element("body"), isPartial ? page : page.Element("body")).ToArray();
var jupdate = new Dictionary <string, object>()
{
{ "cycle", update.Cycle }, { "prev_cycle", prevCycle }, { "processed_commands", json_commands.Else_Empty().Length }, { "updates", js_updates }
};
if (context.Request.Url.AbsolutePath.EndsWith(".text.js"))
{
context.Response.ContentType = "text/plain";
}
else
{
context.Response.ContentType = "text/json";
}
//var jsSerializer = new System.Web.Script.Serialization.JavaScriptSerializer();
//var json = jsSerializer.Serialize(jupdate);
//context.Response.Write(json);
JsonSerializer.Serialize(context.Response.Output, jupdate);
watcher.Stop();
update.Elapsed = watcher.Elapsed;
}
else
{
var lastState = Updates(context).LastOrDefault(_update => _update.Handler == handlerName)._f(_ => _.State);
var result = handler(lastState, null, new HContext(handlerPair.Key, context));
var page = result.Html;
if (!context.Request.Url.AbsolutePath.EndsWith(".raw.html"))
{
var head = page.Element("head") ?? new HElement("head");
var update = PushUpdate(context, handlerName, new HElement("html", head, new HElement("body")), result.State);
var startHead = new HElement(head.Name,
head.Attributes,
//SoftTech.Wui.HWebSynchronizeHandler.Scripts(handlerName, update.Cycle, refreshPeriod: TimeSpan.FromSeconds(10)),
head.Nodes,
SoftTech.Wui.HWebSynchronizeHandler.Scripts_Inline(handlerName, update.Cycle, refreshPeriod: TimeSpan.FromSeconds(10))
//new HElement("script", new HAttribute("src", "/sync.js"), "")
);
page = new HElement("html", startHead, new HElement("body"));
}
context.Response.Write(page.ToString());
}
//context.Response.Write("Hello World");
//Data++;
//context.Response.Write(context.Request.Url);
//context.Response.Write(context.Request.RawUrl);
//context.Response.Write(Data);
}
