/// <summary>
/// This returns the appropriate html string to include in the web page such that the requested bundle will be loaded.
/// </summary>
/// <param name="bundleName"></param>
/// <param name="cssOrJs"></param>
/// <param name="inDevelopment">This controls whether we supply individual files or development mode
/// or single minified files/CDNs in non-development mode</param>
/// <param name="getContentUrl">method to get url of content</param>
/// <returns></returns>
public string CalculateHtmlIncludes(string bundleName, CssOrJs cssOrJs, bool inDevelopment, Func<string, string> getContentUrl)
{
var settingFilePath = Path.Combine(_jsonDataDir, config.BundlesFileName);
var reader = new ReadBundleFile(settingFilePath);
var fileTypeInfo = config.GetFileTypeData(cssOrJs);
if (inDevelopment)
{
var sb = new StringBuilder();
//we send the individual files as found in the bundle json file
foreach (var relFilePath in _searcher.UnpackBundle(reader.GetBundleDebugFiles(bundleName)))
{
sb.AppendLine(fileTypeInfo.DebugHtmlFormatString
.Replace(FileTypeConfigInfo.FileUrlParam, getContentUrl(relFilePath)));
}
return sb.ToString();
}
//We are in nonDebug, i.e. production mode
var cdnLinks = reader.GetBundleCdnInfo(bundleName);
return cdnLinks.Any()
? FormCdnIncludes(cdnLinks, bundleName, cssOrJs, fileTypeInfo, getContentUrl)
: FormSingleMinifiedFileInclude(bundleName, cssOrJs, fileTypeInfo, getContentUrl);
}
//------------------------------------------------------------------
//private methods
private string FormSingleMinifiedFileInclude(string bundleName, CssOrJs cssOrJs, FileTypeConfigInfo fileTypeInfo, Func<string, string> getContentUrl)
{
var relFilePath = $"~/{fileTypeInfo.Directory}{bundleName}.min.{cssOrJs.ToString().ToLowerInvariant()}";
var fileUrl = getContentUrl(relFilePath);
var htmlLink = fileTypeInfo.NonDebugHtmlFormatString.Replace(FileTypeConfigInfo.FileUrlParam, fileUrl);
if (fileTypeInfo.NonDebugHtmlFormatString.Contains(FileTypeConfigInfo.CachebusterParam))
{
var cacheBusterValue = _getChecksumFromRelPath(relFilePath);
htmlLink = htmlLink.Replace(FileTypeConfigInfo.CachebusterParam, cacheBusterValue);
}
return htmlLink;
}
/// <summary>
/// This returns the appropriate html string to include in the web page such that the requested bundle will be loaded.
/// </summary>
/// <param name="bundleName"></param>
/// <param name="cssOrJs"></param>
/// <param name="inDevelopment">This controls whether we supply individual files or development mode
/// or single minified files/CDNs in non-development mode</param>
/// <param name="getContentUrl">method to get url of content</param>
/// <returns></returns>
public string CalculateHtmlIncludes(string bundleName, CssOrJs cssOrJs, bool inDevelopment, Func<string, string> getContentUrl)
{
var settingFilePath = Path.Combine(_jsonDataDir, config.BundlesFileName);
var reader = new ReadBundleFile(settingFilePath);
var fileTypeInfo = config.GetFileTypeData(cssOrJs);
if (inDevelopment)
{
var sb = new StringBuilder();
//we send the individual files as found in the bundle json file
foreach (var relFilePath in _searcher.UnpackBundle(reader.GetBundleDebugFiles(bundleName)))
{
sb.AppendLine(fileTypeInfo.DebugHtmlFormatString
.Replace(FileTypeConfigInfo.FileUrlParam, getContentUrl(relFilePath)));
}
return sb.ToString();
}
//We are in nonDebug, i.e. production mode
var cdnLinks = reader.GetBundleCdnInfo(bundleName);
return cdnLinks.Any()
? FormCdnIncludes(cdnLinks, bundleName, cssOrJs, fileTypeInfo, getContentUrl)
: FormSingleMinifiedFileInclude(bundleName, cssOrJs, fileTypeInfo, getContentUrl);
}
//------------------------------------------------------------------
//private methods
private string FormSingleMinifiedFileInclude(string bundleName, CssOrJs cssOrJs, FileTypeConfigInfo fileTypeInfo, Func<string, string> getContentUrl)
{
var relFilePath = $"~/{fileTypeInfo.Directory}{bundleName}.min.{cssOrJs.ToString().ToLowerInvariant()}";
var fileUrl = getContentUrl(relFilePath);
var htmlLink = fileTypeInfo.NonDebugHtmlFormatString.Replace(FileTypeConfigInfo.FileUrlParam, fileUrl);
if (fileTypeInfo.NonDebugHtmlFormatString.Contains(FileTypeConfigInfo.CachebusterParam))
{
var cacheBusterValue = _getChecksumFromRelPath(relFilePath);
htmlLink = htmlLink.Replace(FileTypeConfigInfo.CachebusterParam, cacheBusterValue);
}
return htmlLink;
}
private string FormCdnIncludes(IEnumerable<CdnInfo> cdnLinks, string bundleName, CssOrJs cssOrJs, FileTypeConfigInfo fileTypeInfo, Func<string, string> getContentUrl)
{
if (string.IsNullOrEmpty(fileTypeInfo.CdnHtmlFormatString))
throw new InvalidOperationException(
$"The bundle {bundleName} contains a cdn definition, but the current config does not support CDN for {cssOrJs}");
var sb = new StringBuilder();
//we send the individual files as found in the bundle json file
foreach (var cdnLink in cdnLinks)
{
var relFilePath = $"~/{fileTypeInfo.Directory}{cdnLink.Production}";
var httpFileUrl = getContentUrl(relFilePath);
sb.AppendLine(cdnLink.BuildCdnIncludeString(fileTypeInfo.CdnHtmlFormatString, httpFileUrl,
() => _getChecksumFromRelPath(relFilePath)));
}
return sb.ToString();
}
//---------------------------------------
//private methods
/// <summary>
/// This returns the html to include either CSS or JavaScript files
/// </summary>
/// <param name="helper"></param>
/// <param name="bundleName">The name of the bundle property and the name of the minified file</param>
/// <param name="cssOrJs">This says if its css or javascript. NOTE: the enum string is used as the dir and the file type</param>
/// <param name="forceState">if not null then true forces into debug state and false forces production state</param>
/// <returns></returns>
private static MvcHtmlString CreateHtmlIncludes(this HtmlHelper helper, string bundleName, CssOrJs cssOrJs,
bool?forceState = null)
{
var isDebug = false;
#if DEBUG
isDebug = true;
#endif
if (forceState != null)
{
isDebug = ( bool )forceState;
}
var bundler = GetBundlerForBowerCached(helper);
var urlHelper = new UrlHelper(helper.ViewContext.RequestContext);
return(new MvcHtmlString(bundler.CalculateHtmlIncludes(bundleName, cssOrJs, isDebug, urlHelper.Content)));
}
private string FormCdnIncludes(IEnumerable<CdnInfo> cdnLinks, string bundleName, CssOrJs cssOrJs, FileTypeConfigInfo fileTypeInfo, Func<string, string> getContentUrl)
{
if (string.IsNullOrEmpty(fileTypeInfo.CdnHtmlFormatString))
throw new InvalidOperationException(
$"The bundle {bundleName} contains a cdn definition, but the current config does not support CDN for {cssOrJs}");
var sb = new StringBuilder();
//we send the individual files as found in the bundle json file
foreach (var cdnLink in cdnLinks)
{
var relFilePath = $"~/{fileTypeInfo.Directory}{cdnLink.Production}";
var httpFileUrl = getContentUrl(relFilePath);
sb.AppendLine(cdnLink.BuildCdnIncludeString(fileTypeInfo.CdnHtmlFormatString, httpFileUrl,
() => _getChecksumFromRelPath(relFilePath)));
}
return sb.ToString();
}
//---------------------------------------
//private methods
/// <summary>
/// This returns the html to include either CSS or JavaScript files
/// </summary>
/// <param name="urlHelper"></param>
/// <param name="bundleName">The name of the bundle property and the name of the minified file</param>
/// <param name="cssOrJs">This says if its css or javascript. NOTE: the enum string is used as the dir and the file type</param>
/// <param name="forceState">if not null then true forces into debug state and false forces production state</param>
/// <returns></returns>
private static HtmlString CreateHtmlIncludes(this IUrlHelper urlHelper, string bundleName, CssOrJs cssOrJs, bool?forceState = null)
{
var isDebug = false;
#if DEBUG
isDebug = true;
#endif
if (forceState != null)
{
isDebug = (bool)forceState;
}
throw new NotImplementedException();
//var bundler = new BundlerForBowerDnx(GetAbsDataDirectory(), urlHelper.Content);
//return new HtmlString(bundler.CalculateHtmlIncludes(bundleName, cssOrJs, isDebug));
}
public FileTypeConfigInfo GetFileTypeData(CssOrJs cssOrJs)
{
return cssOrJs == CssOrJs.Css
? new FileTypeConfigInfo(CssDirectory, CssDebugHtmlFormatString, CssNonDebugHtmlFormatString, CssCdnHtmlFormatString)
: new FileTypeConfigInfo(JsDirectory, JsDebugHtmlFormatString, JsNonDebugHtmlFormatString, JsCdnHtmlFormatString);
}
//---------------------------------------
//private methods
/// <summary>
/// This returns the html to include either CSS or JavaScript files
/// </summary>
/// <param name="helper"></param>
/// <param name="bundleName">The name of the bundle property and the name of the minified file</param>
/// <param name="cssOrJs">This says if its css or javascript. NOTE: the enum string is used as the dir and the file type</param>
/// <param name="forceState">if not null then true forces into debug state and false forces production state</param>
/// <returns></returns>
private static MvcHtmlString CreateHtmlIncludes(this HtmlHelper helper, string bundleName, CssOrJs cssOrJs, bool? forceState = null)
{
var isDebug = false;
#if DEBUG
isDebug = true;
#endif
if (forceState != null)
isDebug = (bool)forceState;
var bundler = GetBundlerForBowerCached(helper);
var urlHelper = new UrlHelper(helper.ViewContext.RequestContext);
return new MvcHtmlString(bundler.CalculateHtmlIncludes(bundleName, cssOrJs, isDebug, urlHelper.Content));
}
public FileTypeConfigInfo GetFileTypeData(CssOrJs cssOrJs)
{
return(cssOrJs == CssOrJs.Css
? new FileTypeConfigInfo(CssDirectory, CssDebugHtmlFormatString, CssNonDebugHtmlFormatString, CssCdnHtmlFormatString)
: new FileTypeConfigInfo(JsDirectory, JsDebugHtmlFormatString, JsNonDebugHtmlFormatString, JsCdnHtmlFormatString));
}
//---------------------------------------
//private methods
/// <summary>
/// This returns the html to include either CSS or JavaScript files
/// </summary>
/// <param name="urlHelper"></param>
/// <param name="bundleName">The name of the bundle property and the name of the minified file</param>
/// <param name="cssOrJs">This says if its css or javascript. NOTE: the enum string is used as the dir and the file type</param>
/// <param name="forceState">if not null then true forces into debug state and false forces production state</param>
/// <returns></returns>
private static HtmlString CreateHtmlIncludes(this IUrlHelper urlHelper, string bundleName, CssOrJs cssOrJs, bool? forceState = null)
{
var isDebug = false;
#if DEBUG
isDebug = true;
#endif
if (forceState != null)
isDebug = (bool)forceState;
throw new NotImplementedException();
//var bundler = new BundlerForBowerDnx(GetAbsDataDirectory(), urlHelper.Content);
//return new HtmlString(bundler.CalculateHtmlIncludes(bundleName, cssOrJs, isDebug));
}