57 lines
1.7 KiB
C#
57 lines
1.7 KiB
C#
using System;
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using System.Web;
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using System.Web.Caching;
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using System.Web.Mvc;
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using System.Web.Mvc.Html;
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using Umbraco.Core;
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using umbraco.cms.businesslogic.web;
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namespace Umbraco.Web
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{
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/// <summary>
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/// Extension methods for the cache helper
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/// </summary>
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internal static class CacheHelperExtensions
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{
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public const string PartialViewCacheKey = "Umbraco.Web.PartialViewCacheKey";
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/// <summary>
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/// Outputs and caches a partial view in MVC
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/// </summary>
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/// <param name="cacheHelper"></param>
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/// <param name="htmlHelper"></param>
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/// <param name="partialViewName"></param>
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/// <param name="model"></param>
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/// <param name="cachedSeconds"></param>
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/// <param name="cacheKey">used to cache the partial view, this key could change if it is cached by page or by member</param>
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/// <param name="viewData"></param>
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/// <returns></returns>
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public static IHtmlString CachedPartialView(
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this CacheHelper cacheHelper,
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HtmlHelper htmlHelper,
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string partialViewName,
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object model,
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int cachedSeconds,
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string cacheKey,
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ViewDataDictionary viewData = null)
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{
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return cacheHelper.GetCacheItem(
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PartialViewCacheKey + cacheKey,
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CacheItemPriority.NotRemovable, //not removable, the same as macros (apparently issue #27610)
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null,
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new TimeSpan(0, 0, 0, cachedSeconds),
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() => htmlHelper.Partial(partialViewName, model, viewData));
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}
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/// <summary>
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/// Clears the cache for partial views
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/// </summary>
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/// <param name="cacheHelper"></param>
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public static void ClearPartialViewCache(this CacheHelper cacheHelper)
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{
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cacheHelper.ClearCacheByKeySearch(PartialViewCacheKey);
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}
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}
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} |