public void Set(CacheControlType type, int seconds = -1)
{
CheckOptionalArgument(type, seconds);
_type = type;
_seconds = seconds;
}
public static string GenerateMetaTag(string title, string description, string canonicalUrl, string googlePlusUrl, bool allowIndexPage, bool allowCache,
bool allowFollowLinks, string author = "", string lastmodified = "", string expires = "never",
string applicationName = "web app", string language = "fa",
CacheControlType cacheControlType = CacheControlType.Private, bool allowTranslate = true)
{
title = title.Substring(0, title.Length <= MaxLenghtTitle ? title.Length : MaxLenghtTitle).Trim();
description =
description.Substring(0,
description.Length <= MaxLenghtDescription ? description.Length : MaxLenghtDescription).Trim();
var meta = "";
meta += string.Format("<meta charset=\"utf-8\"/>\n");
meta += string.Format("<title>{0}</title>\n", title);
meta +=
string.Format(
"<meta content=\"width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no\" name=\"viewport\">");
if (!string.IsNullOrEmpty(googlePlusUrl))
{
meta += string.Format("<link rel=\"author\" href=\"{0}\"/>\n", googlePlusUrl);
}
meta += string.Format("<link rel=\"canonical\" href=\"{0}\"/>\n", canonicalUrl);
meta += string.Format("<link rel=\"shortcut icon\" href=\"{0}\" type=\"image/x-icon\" />\n", FaviconPath);
meta += string.Format("<meta name=\"application-name\" content=\"{0}\" />\n", applicationName);
meta += string.Format("<meta name=\"msapplication-config\" content=\"/browserconfig.xml\" />\n");
meta += string.Format("<meta http-equiv=\"content-language\" content=\"{0}\"/>\n", language);
if (allowTranslate)
{
meta += string.Format("<meta name=\"google\" content=\"notranslate\" />\n");
}
meta += string.Format("<meta name=\"description\" content=\"{0}\"/>\n", description);
meta += string.Format("<meta http-equiv=\"Cache-control\" content=\"{0}\"/>\n",
EnumHelper.GetEnumDescription(typeof(CacheControlType), cacheControlType.ToString()));
meta += string.Format("<meta name=\"robots\" content=\"{0}, {1}, {2}\" />\n",
allowIndexPage ? "index" : "noindex", allowFollowLinks ? "follow" : "nofollow",
allowCache ? "archive" : "noarchive");
meta += string.Format("<meta name=\"expires\" content=\"{0}\"/>\n", expires);
if (!string.IsNullOrEmpty(lastmodified))
{
meta += string.Format("<meta name=\"last-modified\" content=\"{0}\"/>\n", lastmodified);
}
if (!string.IsNullOrEmpty(author))
{
meta += string.Format("<meta name=\"author\" content=\"{0}\"/>\n", author);
}
//------------------------------------Google & Bing Doesn't Use Meta Keywords ...
//meta += string.Format("<meta name=\"keywords\" content=\"{0}\"/>\n", keywords);
return(meta);
}
public static string GetMemberValue(this CacheControlType type)
{
return(type switch
{
CacheControlType.MaxAge => "max-age",
CacheControlType.MaxStale => "max-stale",
CacheControlType.MinFresh => "min-fresh",
CacheControlType.NoCache => "no-cache",
CacheControlType.NoStore => "no-store",
CacheControlType.NoTransform => "no-transform",
CacheControlType.OnlyIfCached => "only-if-cached",
_ => throw new ArgumentOutOfRangeException(nameof(type), type, null)
});
public static string GenerateMetaTag(string title, string description, string canonicalUrl, string googlePlusUrl, bool allowIndexPage, bool allowCache,
bool allowFollowLinks, string author = "", string lastmodified = "", string expires = "never",
string applicationName = "web app", string language = "fa",
CacheControlType cacheControlType = CacheControlType.Private, bool allowTranslate = true)
{
title = title.Substring(0, title.Length <= MaxLenghtTitle ? title.Length : MaxLenghtTitle).Trim();
description =
description.Substring(0,
description.Length <= MaxLenghtDescription ? description.Length : MaxLenghtDescription).Trim();
var meta = "";
meta += string.Format("<meta charset=\"utf-8\"/>\n");
meta += string.Format("<title>{0}</title>\n", title);
meta +=
string.Format(
"<meta content=\"width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no\" name=\"viewport\">");
if (!string.IsNullOrEmpty(googlePlusUrl))
meta += string.Format("<link rel=\"author\" href=\"{0}\"/>\n", googlePlusUrl);
meta += string.Format("<link rel=\"canonical\" href=\"{0}\"/>\n", canonicalUrl);
meta += string.Format("<link rel=\"shortcut icon\" href=\"{0}\" type=\"image/x-icon\" />\n", FaviconPath);
meta += string.Format("<meta name=\"application-name\" content=\"{0}\" />\n", applicationName);
meta += string.Format("<meta name=\"msapplication-config\" content=\"/browserconfig.xml\" />\n");
meta += string.Format("<meta http-equiv=\"content-language\" content=\"{0}\"/>\n", language);
if (allowTranslate)
meta += string.Format("<meta name=\"google\" content=\"notranslate\" />\n");
meta += string.Format("<meta name=\"description\" content=\"{0}\"/>\n", description);
meta += string.Format("<meta http-equiv=\"Cache-control\" content=\"{0}\"/>\n",
EnumHelper.GetEnumDescription(typeof(CacheControlType), cacheControlType.ToString()));
meta += string.Format("<meta name=\"robots\" content=\"{0}, {1}, {2}\" />\n",
allowIndexPage ? "index" : "noindex", allowFollowLinks ? "follow" : "nofollow",
allowCache ? "archive" : "noarchive");
meta += string.Format("<meta name=\"expires\" content=\"{0}\"/>\n", expires);
if (!string.IsNullOrEmpty(lastmodified))
meta += string.Format("<meta name=\"last-modified\" content=\"{0}\"/>\n", lastmodified);
if (!string.IsNullOrEmpty(author))
meta += string.Format("<meta name=\"author\" content=\"{0}\"/>\n", author);
//------------------------------------Google & Bing Doesn't Use Meta Keywords ...
//meta += string.Format("<meta name=\"keywords\" content=\"{0}\"/>\n", keywords);
return meta;
}
private static void CheckOptionalArgument(CacheControlType type, int seconds)
{
if (seconds <= -1)
{
switch (type)
{
case CacheControlType.MaxAge:
case CacheControlType.MaxStale:
case CacheControlType.MinFresh:
throw new ArgumentException("You must supply an argument in seconds", nameof(type));
}
}
else
{
switch (type)
{
case CacheControlType.NoCache:
case CacheControlType.NoStore:
case CacheControlType.NoTransform:
case CacheControlType.OnlyIfCached:
throw new ArgumentException("You supplied seconds to a cache type that does not support it", nameof(type));
}
}
}
public static string GenerateMetaTag(string title, string description, bool allowIndexPage, bool allowFollowLinks, string author = "", string lastmodified = "", string expires = "never", string language = "fa", CacheControlType cacheControlType = CacheControlType.Private)
{
title = title.Substring(0, title.Length <= MaxLengthTitle ? title.Length : MaxLengthTitle).Trim();
description = description.Substring(0, description.Length <= MaxLengthDescription ? description.Length : MaxLengthDescription).Trim();
var meta = "";
meta += $"<title>{title}</title>\n";
meta += $"<link rel=\"shortcut icon\" href=\"{FaviconPath}\"/>\n";
meta += $"<meta http-equiv=\"content-language\" content=\"{language}\"/>\n";
meta += string.Format("<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\"/>\n");
meta += string.Format("<meta charset=\"utf-8\"/>\n");
meta += $"<meta name=\"description\" content=\"{description}\"/>\n";
meta +=
$"<meta http-equiv=\"Cache-control\" content=\"{((Enum)cacheControlType).GetEnumDescription()}\"/>\n";
meta +=
$"<meta name=\"robots\" content=\"{(allowIndexPage ? "index" : "noindex")}, {(allowFollowLinks ? "follow" : "nofollow")}\" />\n";
meta += $"<meta name=\"expires\" content=\"{expires}\"/>\n";
if (!string.IsNullOrEmpty(lastmodified))
{
meta += $"<meta name=\"last-modified\" content=\"{lastmodified}\"/>\n";
}
if (!string.IsNullOrEmpty(author))
{
meta += $"<meta name=\"author\" content=\"{author}\"/>\n";
}
//------------------------------------Google & Bing Doesn't Use Meta Keywords ...
//meta += string.Format("<meta name=\"keywords\" content=\"{0}\"/>\n", keywords);
return(meta);
}
public static MvcHtmlString GenerateMetaTag(this HtmlHelper helper, string keyword, string description, bool allowIndexPage, bool allowFollowLinks, string author = "", string lastModified = "", string expires = "never", string language = "fa", CacheControlType cacheControlType = CacheControlType.Private)
{
//const int maxLengthTitle = 60;
const int maxLengthDescription = 170;
//const string favIconPath = "~/cdn/ui/favicon.ico";
//title = title.Substring(0, title.Length <= maxLengthTitle ? title.Length : maxLengthTitle).Trim();
description = description.Substring(0, description.Length <= maxLengthDescription ? description.Length : maxLengthDescription).Trim();
var meta = "";
//meta += String.Format("<title>{0}</title>\n", title);
//meta += String.Format("<meta http-equiv=\"content-language\" content=\"{0}\"/>\n", language);
//meta += String.Format("<meta http-equiv=\"content-type\" content=\"text/html; charset=utf-8\"/>\n");
//meta += String.Format("<meta charset=\"utf-8\"/>\n");
meta += String.Format("<meta name=\"keyword\" content=\"{0}\"/>\n", keyword);
meta += String.Format("<meta name=\"description\" content=\"{0}\"/>\n", description);
meta += String.Format("<meta http-equiv=\"Cache-control\" content=\"{0}\"/>\n", cacheControlType.GetDescription());
meta += String.Format("<meta name=\"robots\" content=\"{0}, {1}\" />\n", allowIndexPage ? "index" : "noindex", allowFollowLinks ? "follow" : "nofollow");
meta += String.Format("<meta name=\"expires\" content=\"{0}\"/>\n", expires);
if (!String.IsNullOrEmpty(lastModified))
{
meta += String.Format("<meta name=\"last-modified\" content=\"{0}\"/>\n", lastModified);
}
if (!String.IsNullOrEmpty(author))
{
meta += String.Format("<meta name=\"author\" content=\"{0}\"/>\n", author);
}
//------------------------------------Google & Bing Doesn't Use Meta Keywords ...
//meta += string.Format("<meta name=\"keywords\" content=\"{0}\"/>\n", keywords);
return(new MvcHtmlString(meta));
}
public Upload WithCacheControl(CacheControlType type, int seconds = -1)
{
_request.CacheControl.Set(type, seconds);
return(this);
}
public void Reset()
{
_seconds = -1;
_type = CacheControlType.Unknown;
}
