public void InsertIntoCache(AspNetCache cache, byte[] bytes, ElmcityCacheDependency dependency, string key)
{
var logger = new CacheItemRemovedCallback(AspNetCache.LogRemovedItemToAzure);
var expiration_hours = ElmcityUtils.Configurator.cache_sliding_expiration.Hours;
var sliding_expiration = new TimeSpan(expiration_hours, 0, 0);
cache.Insert(key, bytes, dependency, Cache.NoAbsoluteExpiration, sliding_expiration, CacheItemPriority.Normal, logger);
}
public void MaybeCacheDependentObject(string url, string base_key)
{
if (this.HttpContext.Cache[url] == null)
{
var bytes = HttpUtils.FetchUrlNoCache(new Uri(url)).bytes;
var dependency = new ElmcityCacheDependency(base_key);
var cache = new AspNetCache(this.HttpContext.Cache);
InsertIntoCache(cache, bytes, dependency, url);
}
}
private void MaybeCacheView(string view_key, CalendarRenderer.ViewRenderer view_renderer, ElmcityCacheDependency dependency, Dictionary <string, object> render_args)
{
if (this.test)
{
return;
}
if (this.cr.cache[view_key] == null)
{
var view_str = this.cr.RenderDynamicViewWithoutCaching(this.controller.ControllerContext, view_renderer, this.view, this.count, this.from, this.to, this.source, render_args);
byte[] view_bytes = Encoding.UTF8.GetBytes(view_str);
var cache = new AspNetCache(this.controller.HttpContext.Cache);
this.controller.InsertIntoCache(cache, view_bytes, dependency, view_key);
}
}
public override void ExecuteResult(ControllerContext context)
{
// for dynamic views derived from the static file
// which is the base object for this id, e.g.:
// http://elmcity.blob.core.windows.net/a2cal/a2cal.zoneless.obj
// cache the base object if uncached
var base_key = Utils.MakeBaseZonelessUrl(this.id);
if (this.cr.cache[base_key] == null)
{
var bytes = HttpUtils.FetchUrl(new Uri(base_key)).bytes;
//InsertIntoCache(bytes, ElmcityUtils.Configurator.cache_sliding_expiration, dependency: null, key: base_key);
var cache = new AspNetCache(this.controller.HttpContext.Cache);
this.controller.InsertIntoCache(cache, bytes, dependency: null, key: base_key);
}
// uri for static content, e.g.:
// http://elmcity.blob.core.windows.net/a2cal/a2cal.stats.html
// http://elmcity.blob.core.windows.net/a2cal/a2cal.search.html
// these generated files could be served using their blob urls, but
// here are repackaged into the /services namespace, e.g.:
// http://elmcity.cloudapp.net/services/a2cal/stats
// http://elmcity.cloudapp.net/services/a2cal/search
var blob_uri = BlobStorage.MakeAzureBlobUri(this.id, this.id + "." + this.type, false);
// cache static content
var blob_key = blob_uri.ToString();
if (cacheable_types.Exists(t => t == this.type) && this.cr.cache[blob_key] == null)
{
var bytes = HttpUtils.FetchUrl(blob_uri).bytes;
var dependency = new ElmcityCacheDependency(base_key);
var cache = new AspNetCache(this.controller.HttpContext.Cache);
this.controller.InsertIntoCache(cache, bytes, dependency, base_key);
}
var fmt = "{0:yyyyMMddTHHmm}";
var from_str = string.Format(fmt, this.from);
var to_str = string.Format(fmt, this.to);
var render_args = new Dictionary <string, object>();
var view_key = Utils.MakeViewKey(this.id, this.type, this.view, this.count.ToString(), from_str, to_str, eventsonly: this.eventsonly, mobile: this.mobile, test: this.test, raw: this.raw, style: this.style, theme: this.theme, taglist: this.taglist, tags: this.tags, template: this.template, jsurl: this.jsurl, days: this.days, bare_events: this.bare_events, hub: this.hub, source: this.source, first: this.first.ToString());
switch (this.type)
{
case "html":
render_args["view"] = this.view;
render_args["test"] = this.test; // obsolete?
render_args["style"] = this.style;
render_args["theme"] = this.theme;
render_args["mobile_detected"] = false; // unused for now
render_args["ua"] = "";
render_args["css"] = this.cr.calinfo.css; // need to extract and pass along the default theme name
render_args["taglist"] = this.taglist;
render_args["template"] = this.template;
render_args["jsurl"] = this.jsurl;
render_args["bare_events"] = this.bare_events;
render_args["hub"] = this.hub;
render_args["first"] = this.first;
render_args["eventsonly"] = this.eventsonly;
if (settings["use_mobile_detection"] == "yes") // detect or use declaration
{
this.mobile_detected = TryDetectSmartPhone(render_args);
render_args["mobile_detected"] = this.mobile_detected;
this.mobile = this.mobile_detected || this.mobile_declared;
}
else
{
this.mobile = this.mobile_declared; // use declaration only
}
if (this.mobile_refused) // maybe override with refusal
{
this.mobile = false;
}
if (this.mobile)
{
//this.count = Convert.ToInt32(settings["mobile_event_count"]); // no, let the renderer reduce the list
render_args["mobile_event_count"] = Convert.ToInt32(settings["mobile_event_count"]);
this.renderer = new CalendarRenderer.ViewRenderer(cr.RenderHtmlForMobile);
}
else if (this.eventsonly)
{
this.renderer = new CalendarRenderer.ViewRenderer(cr.RenderHtmlEventsOnly);
}
else
{
this.renderer = new CalendarRenderer.ViewRenderer(cr.RenderHtml);
}
// update for mobile detection
view_key = Utils.MakeViewKey(this.id, this.type, this.view, this.count.ToString(), from_str, to_str, eventsonly: this.eventsonly, mobile: this.mobile, test: this.test, raw: this.raw, style: this.style, theme: this.theme, taglist: this.taglist, tags: this.tags, template: this.template, jsurl: this.jsurl, days: this.days, bare_events: this.bare_events, hub: this.hub, source: this.source, first: this.first.ToString());
MaybeCacheView(view_key, this.renderer, new ElmcityCacheDependency(base_key), render_args);
this.response_body = cr.RenderDynamicViewWithCaching(context, view_key, this.renderer, this.view, this.count, this.from, this.to, this.source, render_args);
// let ajax pull events into pages directly
this.controller.HttpContext.Response.Headers["Access-Control-Allow-Origin"] = "*";
new ContentResult
{
ContentType = "text/html",
Content = this.response_body,
ContentEncoding = UTF8
}.ExecuteResult(context);
break;
case "xml":
this.renderer = new CalendarRenderer.ViewRenderer(cr.RenderXml);
MaybeCacheView(view_key, this.renderer, new ElmcityCacheDependency(base_key), null);
this.response_body = cr.RenderDynamicViewWithCaching(context, view_key, this.renderer, this.view, this.count, this.from, this.to, this.source, null);
new ContentResult
{
ContentType = "text/xml",
Content = this.response_body,
ContentEncoding = UTF8
}.ExecuteResult(context);
break;
case "rss":
if (count == 0)
{
count = CalendarAggregator.Configurator.rss_default_items;
}
this.renderer = new CalendarRenderer.ViewRenderer(cr.RenderRss);
MaybeCacheView(view_key, this.renderer, new ElmcityCacheDependency(base_key), null);
this.response_body = cr.RenderDynamicViewWithCaching(context, view_key, this.renderer, this.view, this.count, this.from, this.to, this.source, null);
new ContentResult
{
ContentType = "text/xml",
Content = response_body,
ContentEncoding = UTF8
}.ExecuteResult(context);
break;
case "json":
this.renderer = new CalendarRenderer.ViewRenderer(cr.RenderJson);
MaybeCacheView(view_key, this.renderer, new ElmcityCacheDependency(base_key), null);
string jcontent = cr.RenderDynamicViewWithCaching(context, view_key, this.renderer, this.view, this.count, this.from, this.to, this.source, null);
if (this.jsonp != null)
{
jcontent = this.jsonp + "(" + jcontent + ")";
}
new ContentResult
{
ContentEncoding = UTF8,
ContentType = "application/json",
Content = jcontent
}.ExecuteResult(context);
break;
case "text":
this.renderer = new CalendarRenderer.ViewRenderer(cr.RenderText);
MaybeCacheView(view_key, this.renderer, new ElmcityCacheDependency(base_key), null);
string tcontent = cr.RenderDynamicViewWithCaching(context, view_key, this.renderer, this.view, this.count, this.from, this.to, this.source, null);
new ContentResult
{
ContentEncoding = UTF8,
ContentType = "text/plain",
Content = tcontent
}.ExecuteResult(context);
break;
case "csv":
this.renderer = new CalendarRenderer.ViewRenderer(cr.RenderCsv);
MaybeCacheView(view_key, this.renderer, new ElmcityCacheDependency(base_key), null);
string csv = cr.RenderDynamicViewWithCaching(context, view_key, this.renderer, this.view, this.count, this.from, this.to, this.source, null);
new ContentResult
{
ContentEncoding = UTF8,
ContentType = "text/plain",
Content = csv
}.ExecuteResult(context);
break;
case "tags_json":
string tjcontent = cr.RenderTagCloudAsJson();
if (this.jsonp != null)
{
tjcontent = this.jsonp + "(" + tjcontent + ")";
}
new ContentResult
{
ContentEncoding = UTF8,
ContentType = "application/json",
Content = tjcontent,
}.ExecuteResult(context);
break;
case "tags_html":
string thcontent = cr.RenderTagCloudAsHtml();
new ContentResult
{
ContentEncoding = UTF8,
ContentType = "text/html",
Content = thcontent,
}.ExecuteResult(context);
break;
case "stats":
blob_uri = BlobStorage.MakeAzureBlobUri(this.id, this.id + ".stats.html", false);
//this.response_bytes = (byte[])CacheUtils.RetrieveBlobAndEtagFromServerCacheOrUri(this.cr.cache, blob_uri)["response_body"];
this.response_bytes = HttpUtils.FetchUrl(blob_uri).bytes;
new ContentResult
{
ContentEncoding = UTF8,
ContentType = "text/html",
Content = Encoding.UTF8.GetString(this.response_bytes),
}.ExecuteResult(context);
break;
case "ics":
this.renderer = new CalendarRenderer.ViewRenderer(cr.RenderIcs);
MaybeCacheView(view_key, this.renderer, new ElmcityCacheDependency(base_key), null);
string ics_text = cr.RenderDynamicViewWithCaching(context, view_key, this.renderer, this.view, this.count, this.from, this.to, this.source, null);
new ContentResult
{
ContentType = "text/calendar",
Content = ics_text,
ContentEncoding = UTF8
}.ExecuteResult(context);
break;
case "jswidget":
new ContentResult
{
ContentType = "text/html",
Content = cr.RenderJsWidget(),
ContentEncoding = UTF8
}.ExecuteResult(context);
break;
case "today_as_html":
new ContentResult
{
ContentType = "text/html",
Content = cr.RenderTodayAsHtml(),
ContentEncoding = UTF8
}.ExecuteResult(context);
break;
}
}
