122 lines
4.1 KiB
C#
122 lines
4.1 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Security.Cryptography;
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using System.Text;
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using System.Web;
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using RazorEngine;
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using RazorEngine.Templating;
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using umbraco.cms.businesslogic.macro;
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using umbraco.interfaces;
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using umbraco.IO;
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using RE = RazorEngine;
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namespace umbraco.MacroEngines
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{
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public class RazorEngine : IMacroEngine
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{
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public string Name
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{
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get { return "Razor Engine"; }
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}
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public List<string> SupportedExtensions
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{
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get
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{
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var exts = new List<string> { "razor" };
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return exts;
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}
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}
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public Dictionary<string, IMacroGuiRendering> SupportedProperties
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{
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get { throw new NotImplementedException(); }
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}
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public bool Validate(string code, INode currentPage, out string errorMessage)
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{
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throw new NotImplementedException();
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}
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public string Execute(MacroModel macro, INode currentPage)
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{
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string result = String.Empty;
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string template = !String.IsNullOrEmpty(macro.ScriptCode) ? macro.ScriptCode : loadScript(IOHelper.MapPath(SystemDirectories.Python + "/" + macro.ScriptName));
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try
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{
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Razor.SetTemplateBaseType(typeof(UmbracoTemplateBase<>));
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result = Razor.Parse(template, new DynamicNode(currentPage), macro.CacheIdenitifier);
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}
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catch (TemplateException ee)
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{
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string error = ee.ToString();
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if (ee.Errors.Count > 0)
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{
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error += "</p><strong>Detailed errors:</strong><br/><ul style=\"list-style-type: disc; margin: 1em 0;\">";
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foreach (var err in ee.Errors)
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error += string.Format("<li style=\"display: list-item;\">{0}</li>", err.ToString());
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error += "</ul><p>";
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}
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result = string.Format(
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"<div class=\"error\"><h3>Razor Macro Engine</h3><p><em>An TemplateException occured while parsing the following code:</em></p><p>{0}</p><h4 style=\"font-weight: bold; margin: 0.5em 0 0.3em 0;\">Your Razor template:</h4><code>{1}</code><h4 style=\"font-weight: bold; margin: 0.5em 0 0.3em 0;\">Cache key:</h4><p>{2}</p></div>",
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error,
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HttpContext.Current.Server.HtmlEncode(template),
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friendlyCacheKey(macro.CacheIdenitifier));
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}
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catch (Exception ee)
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{
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result = string.Format(
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"<div class=\"error\"><h3>Razor Macro Engine</h3><em>An unknown error occured while rendering the following code:</em><br /><p>{0}</p><h4 style=\"font-weight: bold; margin: 0.5em 0 0.3em 0;\">Your Razor template:</h4><code>{1}</code><h4 style=\"font-weight: bold; margin: 0.5em 0 0.3em 0;\">Cache key:</h4><p>{2}</p></div>",
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ee.ToString(),
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HttpContext.Current.Server.HtmlEncode(template),
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friendlyCacheKey(macro.CacheIdenitifier));
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}
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return result;
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}
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private string friendlyCacheKey(string cacheKey)
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{
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if (!String.IsNullOrEmpty(cacheKey))
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return cacheKey;
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else
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return "<em>No caching defined</em>";
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}
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private string loadScript(string scriptName)
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{
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if (File.Exists(scriptName))
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{
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return File.ReadAllText(scriptName);
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}
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return String.Empty;
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}
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}
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public abstract class UmbracoTemplateBase<T> : TemplateBase<T>
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{
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private object m_model;
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public override T Model
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{
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get
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{
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return (T)m_model;
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}
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set
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{
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m_model = value;
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}
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}
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public string ToUpperCase(string name)
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{
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return name.ToUpper();
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}
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}
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}
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