private void context_BeginRequest(HttpContext context)
{
var requestPath = context.Request.Path;
if (!requestPath.EndsWith(_extension))
{
return;
}
var filePath = context.Server.MapPath(requestPath);
if (!File.Exists(filePath))
{
return;
}
DateTime lastTimeUpdatedUtc = StylesHashing.GetLastStyleUpdateTimeUtc(_fileWatcherMask);
var filePathCss = filePath.Substring(0, filePath.Length - _extension.Length) + ".min.css";
bool cssFileExists = File.Exists(filePathCss);
if (!cssFileExists || File.GetLastWriteTimeUtc(filePathCss) < lastTimeUpdatedUtc)
{
string fileKey = filePathCss.ToLowerInvariant();
var errorInfo = _filesWithErrors[fileKey];
// Not recompiling a file if previous compilations failed
if (cssFileExists && errorInfo != null
&& errorInfo.LastModificationDateUtc == lastTimeUpdatedUtc
&& !(errorInfo.IsCssCompilationException && UserValidationFacade.IsLoggedIn()))
{
context.Response.ContentType = "text/css";
context.Response.WriteFile(filePathCss);
context.ApplicationInstance.CompleteRequest();
return;
}
try
{
_compilationLock.EnterWriteLock();
try
{
if (!File.Exists(filePathCss) || File.GetLastWriteTimeUtc(filePathCss) < lastTimeUpdatedUtc)
{
_compileAction(filePath, filePathCss, lastTimeUpdatedUtc);
}
}
catch (Exception ex)
{
if (UserValidationFacade.IsLoggedIn() && ex is CssCompileException)
{
// Showing a friendly error message for logged in users
EmitCssMakrupForException(context.Response, requestPath, ex);
context.ApplicationInstance.CompleteRequest();
return;
}
if (!cssFileExists)
{
throw;
}
_filesWithErrors[fileKey] = new CssCompilationErrorInformation
{
IsCssCompilationException = ex is CssCompileException,
LastModificationDateUtc = lastTimeUpdatedUtc
};
Log.LogError(GetType().FullName, ex);
context.Response.ContentType = "text/css";
context.Response.WriteFile(filePathCss);
context.ApplicationInstance.CompleteRequest();
return;
}
}
finally
{
_compilationLock.ExitWriteLock();
}
}
if ((DateTime.UtcNow - lastTimeUpdatedUtc).Days >= 1 || !UserValidationFacade.IsLoggedIn())
{
context.Response.Cache.SetExpires(DateTime.Now.AddDays(1.0));
}
else
{
context.Response.Cache.SetExpires(DateTime.Now.AddMinutes(15));
}
context.Response.ContentType = "text/css";
try
{
_compilationLock.EnterReadLock();
context.Response.WriteFile(filePathCss);
}
finally
{
_compilationLock.ExitReadLock();
}
context.ApplicationInstance.CompleteRequest();
}
private void context_BeginRequest(HttpContext context)
{
var requestPath = context.Request.Path;
if (!requestPath.EndsWith(_extension))
{
return;
}
var filePath = context.Server.MapPath(requestPath);
if (!File.Exists(filePath))
{
return;
}
DateTime lastTimeUpdatedUtc = StylesHashing.GetLastStyleUpdateTimeUtc(_fileWatcherMask);
var filePathCss = filePath.Substring(0, filePath.Length - _extension.Length) + ".min.css";
bool cssFileExists = File.Exists(filePathCss);
if (!cssFileExists || File.GetLastWriteTimeUtc(filePathCss) < lastTimeUpdatedUtc)
{
string fileKey = filePathCss.ToLowerInvariant();
var errorInfo = _filesWithErrors[fileKey];
// Not recompiling a file if previous compilations failed
if (cssFileExists && errorInfo != null &&
errorInfo.LastModificationDateUtc == lastTimeUpdatedUtc &&
!(errorInfo.IsCssCompilationException && UserValidationFacade.IsLoggedIn()))
{
context.Response.ContentType = "text/css";
context.Response.WriteFile(filePathCss);
context.ApplicationInstance.CompleteRequest();
return;
}
try
{
_compilationLock.EnterWriteLock();
try
{
if (!File.Exists(filePathCss) || File.GetLastWriteTimeUtc(filePathCss) < lastTimeUpdatedUtc)
{
_compileAction(filePath, filePathCss, lastTimeUpdatedUtc);
}
}
catch (Exception ex)
{
if (UserValidationFacade.IsLoggedIn() && ex is CssCompileException)
{
// Showing a friendly error message for logged in users
EmitCssMakrupForException(context.Response, requestPath, ex);
context.ApplicationInstance.CompleteRequest();
return;
}
if (!cssFileExists)
{
throw;
}
_filesWithErrors[fileKey] = new CssCompilationErrorInformation
{
IsCssCompilationException = ex is CssCompileException,
LastModificationDateUtc = lastTimeUpdatedUtc
};
Log.LogError(GetType().FullName, ex);
context.Response.ContentType = "text/css";
context.Response.WriteFile(filePathCss);
context.ApplicationInstance.CompleteRequest();
return;
}
}
finally
{
_compilationLock.ExitWriteLock();
}
}
if ((DateTime.UtcNow - lastTimeUpdatedUtc).Days >= 1 || !UserValidationFacade.IsLoggedIn())
{
context.Response.Cache.SetExpires(DateTime.Now.AddDays(1.0));
}
else
{
context.Response.Cache.SetExpires(DateTime.Now.AddMinutes(15));
}
context.Response.ContentType = "text/css";
try
{
_compilationLock.EnterReadLock();
context.Response.WriteFile(filePathCss);
}
finally
{
_compilationLock.ExitReadLock();
}
context.ApplicationInstance.CompleteRequest();
}
