/// <summary>
/// Builds an asset by running it through all the processors.
/// </summary>
public async Task<IAssetResponse> BuildAsync(IAsset asset, HttpContext context, IWebOptimizerOptions options)
{
string cacheKey;
try
{
cacheKey = asset.GenerateCacheKey(context);
}
catch (FileNotFoundException)
{
_logger.LogFileNotFound(context.Request.Path);
return null;
}
if (options.EnableMemoryCache == true && _cache.TryGetValue(cacheKey, out AssetResponse value))
{
_logger.LogServedFromMemoryCache(context.Request.Path);
return value;
}
else if (options.EnableDiskCache == true && _assetResponseCache.TryGet(asset.Route, cacheKey, out value))
{
AddToCache(cacheKey, value, asset, options);
return value;
}
else
{
byte[] bytes = await asset.ExecuteAsync(context, options).ConfigureAwait(false);
var response = new AssetResponse(bytes, cacheKey);
foreach (string name in context.Response.Headers.Keys)
{
response.Headers.Add(name, context.Response.Headers[name]);
}
if (options.AllowEmptyBundle == false && (bytes == null || bytes.Length == 0))
{
return null;
}
AddToCache(cacheKey, response, asset, options);
if (options.EnableDiskCache == true)
{
await _assetResponseCache.AddAsync(asset.Route, cacheKey, response).ConfigureAwait(false);
}
_logger.LogGeneratedOutput(context.Request.Path);
return response;
}
}
/// <summary>
/// Builds an asset by running it through all the processors.
/// </summary>
public async Task <IAssetResponse> BuildAsync(IAsset asset, HttpContext context, IWebOptimizerOptions options)
{
options.EnsureDefaults(_env);
string cacheKey = asset.GenerateCacheKey(context);
if (_cache.TryGetValue(cacheKey, out AssetResponse value))
{
_logger.LogServedFromMemoryCache(context.Request.Path);
return(value);
}
else if (AssetResponse.TryGetFromDiskCache(context.Request.Path, cacheKey, _cacheDir, out value))
{
AddToCache(cacheKey, value, asset, options);
return(value);
}
else
{
byte[] bytes = await asset.ExecuteAsync(context, options).ConfigureAwait(false);
var response = new AssetResponse(bytes, cacheKey);
foreach (string name in context.Response.Headers.Keys)
{
response.Headers.Add(name, context.Response.Headers[name]);
}
if (bytes == null || bytes.Length == 0)
{
return(null);
}
AddToCache(cacheKey, response, asset, options);
await response.CacheToDiskAsync(context.Request.Path, cacheKey, _cacheDir).ConfigureAwait(false);
_logger.LogGeneratedOutput(context.Request.Path);
return(response);
}
}
