/// <summary>
/// Builds an array of strings which must be used as tags for the cache entry identifier of a specific cached content segment.
/// </summary>
/// <param name="configuration"></param>
/// <param name="fusionPath"></param>
/// <param name="fusionObject"></param>
/// <returns></returns>
protected string[] BuildCachetags(FusionObjectCacheConfiguration configuration, string fusionPath, AbstractFusionObject fusionObject)
{
var cacheTags = new List <string>();
if (configuration.EntryTags.Count > 0)
{
foreach (var kvp in configuration.EntryTags)
{
var tagValue = runtime.Evaluate(fusionPath + "/__meta/cache/entryTags/" + kvp.Key, fusionObject);
if (tagValue is IEnumerable)
{
foreach (var item in (IEnumerable)tagValue)
{
cacheTags.Add((string)item);
}
}
else if (tagValue is string)
{
cacheTags.Add((string)tagValue);
}
}
cacheTags.AddRange(FlushTags());
}
else
{
cacheTags.Add("Everything");
}
return(cacheTags.Distinct().ToArray());
}
/// <summary>
/// Enter an evaluation
///
/// Needs to be called right before evaluation of a path start to check the cache mode and set
/// internal state like the cache entry point.
/// </summary>
/// <param name="configuration"></param>
/// <param name="fusionPath"></param>
/// <returns></returns>
public EvaluationContext Enter(FusionObjectCacheConfiguration configuration, string fusionPath)
{
var cacheForPathEnabled = configuration.Mode == FusionObjectCacheConfiguration.CacheMode.Cached || configuration.Mode == FusionObjectCacheConfiguration.CacheMode.Dynamic;
var cacheForPathDisabled = configuration.Mode == FusionObjectCacheConfiguration.CacheMode.Uncached || configuration.Mode == FusionObjectCacheConfiguration.CacheMode.Dynamic;
if (cacheForPathDisabled && configuration.Context.Count == 0)
{
throw new Exception($"Missing @cache.context configuration for path \"{fusionPath}\". An uncached segment must have one or more context variable names configured.");
}
var currentPathIsEntryPoint = false;
if (EnableContentCache || cacheForPathEnabled)
{
if (!inCacheEntryPoint)
{
inCacheEntryPoint = true;
currentPathIsEntryPoint = true;
}
}
return(new EvaluationContext()
{
Configuration = configuration,
FusionPath = fusionPath,
CacheForPathEnabled = cacheForPathEnabled,
CacheForPathDisabled = cacheForPathDisabled,
CurrentPathIsEntryPoint = currentPathIsEntryPoint,
});
}
/// <summary>
/// Builds an array of additional key/values which must go into the calculation of the cache entry identifier
/// for a cached content segment
/// </summary>
/// <param name="configuration"></param>
/// <param name="fusionPath"></param>
/// <param name="fusionObject"></param>
/// <returns></returns>
protected string[] BuildCacheIdentifierValues(FusionObjectCacheConfiguration configuration, string fusionPath, AbstractFusionObject fusionObject)
{
var objectType = "<Neos.Fusion:GlobalCacheIdentifiers>";
if (!string.IsNullOrEmpty(configuration.EntryIdentifier.ObjectType))
{
objectType = $"<{configuration.EntryIdentifier.ObjectType}>";
}
try
{
var entryIdentifiers = (System.Collections.IEnumerable)runtime.Evaluate(fusionPath + "/__meta/cache/entryIdentifier" + objectType, fusionObject);
var result = new List <string>();
foreach (var entryIdentifier in entryIdentifiers)
{
result.Add((string)entryIdentifier);
}
return(result.ToArray());
}
catch (Exception)
{
return(new string[] { });
}
}
