public string GetAvatar(IUser user)
{
if (user == null)
{
return(string.Empty); // { throw new ArgumentNullException("user"); }
}
var orchardUser = user as User;
if (orchardUser == null)
{
throw new ArgumentNullException("orchardUser");
}
var memoryCacheKey = $"{AvatarCacheKeyPrefix}-{orchardUser.UserName}";
if (!_memoryCache.TryGetValue(memoryCacheKey, out string avatar))
{
//cachedDate = (await _localClock.LocalNowAsync).DateTime;
var usermetadata = orchardUser.As <UserMetadata>();
if (usermetadata != null)
{
var resolvedAssetPath = _mediaFileStore.MapPathToPublicUrl(usermetadata.Avatar);
avatar = resolvedAssetPath;
_memoryCache.Set(memoryCacheKey, avatar, _signal.GetToken(memoryCacheKey));
}
}
return(avatar);
}
public async Task <List <SysModuleViewModel> > GetSysModuleViewModels(string roleId)
{
try
{
var c = HttpContext.Current;
return(await _memoryCache.GetOrCreateAsync(roleId, async entity =>
{
entity.ExpirationTokens.Add(_signal.GetToken(roleId));
var list = await _repository.Query().Where(a => a.IsDelete == false && a.ModuleType == 0).ProjectTo <SysModuleViewModel>(AutoMapperConfiguration.MapperConfiguration).OrderByDescending(a => a.CreateTime).ToListAsync();
var rolePurviewlist = await _roleModulesRepository.ListAsync(a => a.RoleId == roleId);
List <SysModuleViewModel> tem = new List <SysModuleViewModel>();
foreach (var module in list)
{
if (module.ParentId != "0")
{
var p = rolePurviewlist.FirstOrDefault(a => a.ControllerName == module.ControllerName);
if ((module.PurviewSum & p?.PurviewSum) == module.PurviewSum)
{
tem.Add(module);
if (tem.All(a => a.Id != module.ParentId))
{
tem.Add(list.FirstOrDefault(a => a.Id == module.ParentId));
}
}
}
}
return tem.OrderBy(a => a.Sort).ToList();
}));
}
catch (Exception ex)
{
}
return(await Task.FromResult(new List <SysModuleViewModel>()));
}
private async Task <ICollection <IWorkflowBlueprint> > GetWorkflowBlueprints(CancellationToken cancellationToken)
{
return(await _memoryCache.GetOrCreateAsync(CacheKey, async entry =>
{
entry.Monitor(_signal.GetToken(CacheKey));
return await _workflowRegistry.ListAsync(cancellationToken).ToList();
}));
}
public Task <List <Role> > GetRolesAsync()
{
return(_memoryCache.GetOrCreateAsync(Key, async entry =>
{
var roles = await _roleRepository.GetAllListAsync();
entry.ExpirationTokens.Add(_signal.GetToken(Key));
return roles;
}));
}
/// <summary>
/// 信号过期
/// </summary>
/// <param name="provider"></param>
/// <returns></returns>
public static DateTime MemcacheSignal(IServiceProvider provider)
{
IMemoryCache _cache = provider.GetService <IMemoryCache>();
ISignal _signal = provider.GetService <ISignal>();
return(_cache.GetOrCreate("GetOrCreateTest", (entry) =>
{
entry.ExpirationTokens.Add(_signal.GetToken("GetOrCreateTest"));
return DateTime.Now;
}));
}
/// <summary>
/// implementing operate on rows (instead of row) to allow loading of external (file based) templates first
/// </summary>
/// <param name="rows"></param>
/// <returns></returns>
public override IEnumerable <IRow> Operate(IEnumerable <IRow> rows)
{
if (!Run)
{
yield break;
}
var key = string.Join(':', Context.Process.Id, Context.Entity.Alias, Context.Field.Alias, Context.Operation.Method, Context.Operation.Index);
if (!_memoryCache.TryGetValue(key, out CachedRazorTransform transform))
{
transform = new CachedRazorTransform();
var fileBasedTemplate = Context.Process.Templates.FirstOrDefault(t => t.Name == Context.Operation.Template);
if (fileBasedTemplate != null)
{
Context.Operation.Template = fileBasedTemplate.Content;
}
var input = MultipleInput();
var matches = Context.Entity.GetFieldMatches(Context.Operation.Template);
transform.Input = input.Union(matches).ToArray();
var engine = new RazorEngine();
try {
transform.Template = engine.Compile(Context.Operation.Template, builder => {
builder.AddUsing("System");
});
// any changes to content item will invalidate cache
_memoryCache.Set(key, transform, _signal.GetToken(Common.GetCacheKey(Context.Process.Id)));
} catch (RazorEngineCompilationException ex) {
foreach (var error in ex.Errors)
{
var line = error.Location.GetLineSpan();
Context.Error($"C# error on line {line.StartLinePosition.Line}, column {line.StartLinePosition.Character}.");
Context.Error(error.GetMessage());
}
Context.Error(ex.Message.Replace("{", "{{").Replace("}", "}}"));
Utility.CodeToError(Context, Context.Operation.Template);
yield break;
}
}
foreach (var row in rows)
{
var output = transform.Template.Run(row.ToFriendlyExpandoObject(transform.Input));
row[Context.Field] = _convert(output);
yield return(row);
}
}
public async Task <IEnumerable <IRole> > GetRolesAsync()
{
// 同一租户环境下角色数据进行缓存
return(await _memoryCache.GetOrCreateAsync(Key, async (entry) =>
{
var roles = await Task.FromResult(_dbContext.Set <Role>().Select(e => (IRole)e).ToArray().AsEnumerable());
entry.ExpirationTokens.Add(_signal.GetToken(Key));
return roles;
}));
}
public async Task <int> GetFeatureHashAsync()
{
int serial;
if (_memoryCache.TryGetValue(FeatureHashCacheKey, out serial))
{
return(serial);
}
// Calculate a hash of all enabled features' name
serial = (await _featureManager.GetEnabledFeaturesAsync())
.OrderBy(x => x.Name)
.Aggregate(0, (a, f) => a * 7 + f.Name.GetHashCode());
var options = new MemoryCacheEntryOptions()
.AddExpirationToken(_signal.GetToken(FeatureManager.FeatureManagerCacheKey));
_memoryCache.Set(FeatureHashCacheKey, serial, options);
return(serial);
}
public async Task <int> GetFeatureHashAsync()
{
int serial;
if (_memoryCache.TryGetValue(FeatureHashCacheKey, out serial))
{
return(serial);
}
var enabledFeatures = await _featureManager.GetEnabledFeaturesAsync();
serial = enabledFeatures
.OrderBy(x => x.Id)
.Aggregate(0, (a, f) => a * 7 + f.Id.GetHashCode());
var options = new MemoryCacheEntryOptions()
.AddExpirationToken(_signal.GetToken(FeaturesProvider.FeatureProviderCacheKey));
_memoryCache.Set(FeatureHashCacheKey, serial, options);
return(serial);
}
private async Task <ICollection <WorkflowDefinitionVersion> > ReadCacheAsync(CancellationToken cancellationToken)
{
return(await cache.GetOrCreateAsync(
CacheKey,
async entry =>
{
var workflowDefinitions = await LoadWorkflowDefinitionsAsync(cancellationToken);
entry.SlidingExpiration = TimeSpan.FromHours(1);
entry.AbsoluteExpirationRelativeToNow = TimeSpan.FromHours(4);
entry.Monitor(signal.GetToken(CacheKey));
return workflowDefinitions;
}));
}
/// <summary>
/// implementing operate on rows (instead of row) to allow loading of external (file based) templates first
/// </summary>
/// <param name="rows"></param>
/// <returns></returns>
public override IEnumerable <IRow> Operate(IEnumerable <IRow> rows)
{
if (!Run)
{
yield break;
}
var key = string.Join(':', Context.Process.Id, Context.Entity.Alias, Context.Field.Alias, Context.Operation.Method, Context.Operation.Index);
if (!_memoryCache.TryGetValue(key, out CachedFluidTransform transform))
{
transform = new CachedFluidTransform();
var fileBasedTemplate = Context.Process.Templates.FirstOrDefault(t => t.Name == Context.Operation.Template);
if (fileBasedTemplate != null)
{
Context.Operation.Template = fileBasedTemplate.Content;
}
var input = MultipleInput();
var matches = Context.Entity.GetFieldMatches(Context.Operation.Template);
transform.Input = input.Union(matches).ToArray();
if (FluidTemplate.TryParse(Context.Operation.Template, out transform.Template))
{
// any changes to content item will invalidate cache
_memoryCache.Set(key, transform, _signal.GetToken(Common.GetCacheKey(Context.Process.Id)));
}
else
{
Context.Error("Failed to parse fluid template.");
Utility.CodeToError(Context, Context.Operation.Template);
yield break;
}
}
var context = new TemplateContext();
foreach (var row in rows)
{
foreach (var field in transform.Input)
{
context.SetValue(field.Alias, row[field]);
}
row[Context.Field] = _convert(transform.Template.Render(context));
yield return(row);
}
}
public async Task <RolesDocument> GetRolesAsync()
{
return(await _memoryCache.GetOrCreateAsync(Key, async (entry) =>
{
_roles = await _session.QueryAsync <RolesDocument>().FirstOrDefault();
if (_roles == null)
{
_roles = new RolesDocument();
UpdateRoles();
}
entry.ExpirationTokens.Add(_signal.GetToken(Key));
return _roles;
}));
}
public Task <RolesDocument> GetRolesAsync()
{
return(_memoryCache.GetOrCreateAsync(Key, async(entry) =>
{
var roles = await _session.Query <RolesDocument>().FirstOrDefaultAsync();
if (roles == null)
{
roles = new RolesDocument();
_session.Save(roles);
}
entry.ExpirationTokens.Add(_signal.GetToken(Key));
return roles;
}));
}
public Task <IEnumerable <LayerMetadata> > GetLayerWidgetsAsync(Expression <Func <ContentItemIndex, bool> > predicate)
{
return(_memoryCache.GetOrCreateAsync("Orchard.Layers:Layers" + predicate.ToString(), async entry =>
{
entry.AddExpirationToken(_signal.GetToken(LayerMetadataHandler.LayerChangeToken));
var allWidgets = await _session
.Query <ContentItem, LayerMetadataIndex>()
.With(predicate)
.ListAsync();
return (IEnumerable <LayerMetadata>)allWidgets
.Select(x => x.As <LayerMetadata>())
.Where(x => x != null)
.OrderBy(x => x.Position)
.ToList();
}));
}
public Task <int> GetTypesHashAsync()
{
// The serial number is stored in local cache in order to prevent
// loading the record if it's not necessary
int serial;
if (!_memoryCache.TryGetValue(TypeHashCacheKey, out serial))
{
serial = _memoryCache.Set(
TypeHashCacheKey,
GetContentDefinitionRecord().Serial,
_signal.GetToken(TypeHashCacheKey)
);
}
return(Task.FromResult(serial));
}
/// <summary>
/// Returns the document from the cache or creates a new one. The result should not be updated.
/// </summary>
private async Task <RolesDocument> GetRolesAsync()
{
if (!_memoryCache.TryGetValue <RolesDocument>(Key, out var document))
{
var changeToken = _signal.GetToken(Key);
document = await _sessionHelper.GetForCachingAsync <RolesDocument>();
foreach (var role in document.Roles)
{
role.IsReadonly = true;
}
_memoryCache.Set(Key, document, changeToken);
}
return(document);
}
public Task <int> GetTypesHashAsync()
{
// The serial number is store in local cache in order to prevent
// loading the record if it's not necessary
int serial;
if (!_memoryCache.TryGetValue(TypeHashCacheKey, out serial))
{
var options = new MemoryCacheEntryOptions()
.AddExpirationToken(_signal.GetToken(TypeHashCacheKey));
serial = GetContentDefinitionRecord().Serial;
_memoryCache.Set(TypeHashCacheKey, serial, options);
}
return(Task.FromResult(serial));
}
public virtual Task <Deployment> GetLatestProductionDeploymentAsync()
{
return(_cache.GetOrAddAsync(DeploymentCacheKeys.LatestDeployment, async entry => {
ThrowIfReadNotConfigured();
entry.AddExpirationToken(_signal.GetToken(DeploymentCacheKeys.LatestDeployment));
var latestDeployment = await GetLatestProductionDeploymentAsync_Impl();
// Reset waiting for deployment, if another new production deployment has arrived
_deploymentStatus.MaybeResetWaitingForDeployment(latestDeployment?.Id);
entry.SetAbsoluteExpiration(DateTime.UtcNow + TimeSpan.FromSeconds(
_deploymentStatus.IsWaitingForDeployment()
? _deploymentOptions.HighPriorityCacheInSeconds
: _deploymentOptions.CacheInSeconds
));
return latestDeployment;
}));
}
public async Task OnResultExecutionAsync(ResultExecutingContext context, ResultExecutionDelegate next)
{
// Should only run on the front-end for a full view
if ((context.Result is ViewResult || context.Result is PageResult) &&
!AdminAttribute.IsApplied(context.HttpContext))
{
// Even if the Admin attribute is not applied we might be using the admin theme, for instance in Login views.
// In this case don't render Layers.
var selectedTheme = (await _themeManager.GetThemeAsync())?.Id;
var adminTheme = await _adminThemeService.GetAdminThemeNameAsync();
if (selectedTheme == adminTheme)
{
await next.Invoke();
return;
}
var widgets = await _memoryCache.GetOrCreateAsync("OrchardCore.Layers.LayerFilter:AllWidgets", entry =>
{
entry.AddExpirationToken(_signal.GetToken(LayerMetadataHandler.LayerChangeToken));
return(_layerService.GetLayerWidgetsAsync(x => x.Published));
});
var layers = (await _layerService.GetLayersAsync()).Layers.ToDictionary(x => x.Name);
dynamic layout = await _layoutAccessor.GetLayoutAsync();
var updater = _modelUpdaterAccessor.ModelUpdater;
var engine = _scriptingManager.GetScriptingEngine("js");
var scope = engine.CreateScope(_scriptingManager.GlobalMethodProviders.SelectMany(x => x.GetMethods()), _serviceProvider, null, null);
var layersCache = new Dictionary <string, bool>();
foreach (var widget in widgets)
{
var layer = layers[widget.Layer];
if (layer == null)
{
continue;
}
bool display;
if (!layersCache.TryGetValue(layer.Name, out display))
{
if (String.IsNullOrEmpty(layer.Rule))
{
display = false;
}
else
{
display = Convert.ToBoolean(engine.Evaluate(scope, layer.Rule));
}
layersCache[layer.Rule] = display;
}
if (!display)
{
continue;
}
var widgetContent = await _contentItemDisplayManager.BuildDisplayAsync(widget.ContentItem, updater);
widgetContent.Classes.Add("widget");
widgetContent.Classes.Add("widget-" + widget.ContentItem.ContentType.HtmlClassify());
var wrapper = new WidgetWrapper
{
Widget = widget.ContentItem,
Content = widgetContent
};
wrapper.Metadata.Alternates.Add("Widget_Wrapper__" + widget.ContentItem.ContentType);
wrapper.Metadata.Alternates.Add("Widget_Wrapper__Zone__" + widget.Zone);
var contentZone = layout.Zones[widget.Zone];
contentZone.Add(wrapper);
}
}
await next.Invoke();
}
/// <summary>
/// implementing operate on rows (instead of row) to allow loading of external (file based) scripts to load first
/// </summary>
/// <param name="rows"></param>
/// <returns></returns>
public override IEnumerable <IRow> Operate(IEnumerable <IRow> rows)
{
if (!Run)
{
yield break;
}
var key = string.Join(':', Context.Process.Id, Context.Entity.Alias, Context.Field.Alias, Context.Operation.Method, Context.Operation.Index);
if (!_memoryCache.TryGetValue(key, out CachedJintTransform transform))
{
transform = new CachedJintTransform();
var scriptBuilder = new StringBuilder();
var scriptReader = new ScriptReader(Context, _reader);
// to support shorthand script (e.g. t="js(scriptName)")
if (Context.Operation.Scripts.Count == 0)
{
var script = Context.Process.Scripts.FirstOrDefault(s => s.Name == Context.Operation.Script);
if (script != null)
{
Context.Operation.Script = scriptReader.Read(script);
}
}
var tester = new ScriptTester(Context);
if (tester.Passes(Context.Operation.Script))
{
// automatic parameter binding
if (!Context.Operation.Parameters.Any())
{
var parameters = _parameterMatcher.Match(Context.Operation.Script, Context.GetAllEntityFields());
foreach (var parameter in parameters)
{
Context.Operation.Parameters.Add(new Parameter {
Field = parameter, Entity = Context.Entity.Alias
});
}
}
}
else
{
Run = false;
}
// for js, always add the input parameter
transform.Input = MultipleInput().Union(new[] { Context.Field }).Distinct().ToArray();
if (Context.Process.Scripts.Any(s => s.Global && (s.Language == "js" || s.Language == Constants.DefaultSetting && s.File != null && s.File.EndsWith(".js", StringComparison.OrdinalIgnoreCase))))
{
// load any global scripts
foreach (var sc in Context.Process.Scripts.Where(s => s.Global && (s.Language == "js" || s.Language == Constants.DefaultSetting && s.File != null && s.File.EndsWith(".js", StringComparison.OrdinalIgnoreCase))))
{
var content = scriptReader.Read(Context.Process.Scripts.First(s => s.Name == sc.Name));
if (tester.Passes(content))
{
scriptBuilder.AppendLine(content);
}
else
{
Run = false;
}
}
}
// load any specified scripts
if (Context.Operation.Scripts.Any())
{
foreach (var sc in Context.Operation.Scripts)
{
var content = scriptReader.Read(Context.Process.Scripts.First(s => s.Name == sc.Name));
if (tester.Passes(content))
{
scriptBuilder.AppendLine(content);
}
else
{
Run = false;
}
}
}
if (scriptBuilder.Length > 0)
{
scriptBuilder.AppendLine(Context.Operation.Script);
}
else
{
scriptBuilder.Append(Context.Operation.Script);
}
try {
transform.Program = new JavaScriptParser(scriptBuilder.ToString(), new ParserOptions()
{
Tolerant = true
}).ParseProgram();
} catch (ParserException ex) {
Context.Error(ex.Message);
Utility.CodeToError(Context, scriptBuilder.ToString());
Run = false;
}
// any changes to content item will invalidate cache
_memoryCache.Set(key, transform, _signal.GetToken(Common.GetCacheKey(Context.Process.Id)));
}
if (!Run)
{
yield break;
}
foreach (var row in rows)
{
foreach (var field in transform.Input)
{
_jint.SetValue(field.Alias, row[field]);
}
if (TryFirst)
{
try {
TryFirst = false;
var obj = _jint.Execute(transform.Program).GetCompletionValue().ToObject();
var value = obj == null ? null : Context.Field.Convert(obj);
if (value == null && !_errors.ContainsKey(0))
{
Context.Error($"Jint transform in {Context.Field.Alias} returns null!");
_errors[0] = $"Jint transform in {Context.Field.Alias} returns null!";
}
else
{
row[Context.Field] = value;
}
} catch (Jint.Runtime.JavaScriptException jse) {
if (!_errors.ContainsKey(jse.LineNumber))
{
Context.Error("Script: " + Context.Operation.Script.Replace("{", "{{").Replace("}", "}}"));
Context.Error(jse, "Error Message: " + jse.Message);
Context.Error("Variables:");
foreach (var field in transform.Input)
{
Context.Error($"{field.Alias}:{row[field]}");
}
_errors[jse.LineNumber] = jse.Message;
}
}
}
else
{
row[Context.Field] = Context.Field.Convert(_jint.Execute(transform.Program).GetCompletionValue().ToObject());
}
yield return(row);
}
}
public async Task <string> ReadCache()
{
DateTimeOffset localTime;
if (!_memoryCache.TryGetValue(CacheKey, out localTime))
{
localTime = _memoryCache.Set(CacheKey, await _localClock.LocalNowAsync, _signal.GetToken(SignalKey));
}
return(localTime.ToString());
}
// This change token is generated based on the cache key using the ISignal service. It is used to invalidate // the memory cache. private IChangeToken GetMemoryCacheChangeToken() => _signal.GetToken(MemoryCacheKey);