public XmlPackageInfo(XmlPackageLocation location, string path, string displayName, int?skinId)
{
if (path == null)
{
throw new ArgumentNullException("path");
}
_Name = System.IO.Path.GetFileName(path);
_DisplayName = String.IsNullOrWhiteSpace(displayName)
? _Name
: displayName;
_Path = path;
_Location = location;
_SkinId = skinId;
}
string GetXmlPackagePath(XmlPackageLocation location, int?skinId)
{
switch (location)
{
case XmlPackageLocation.Root:
return("~/XmlPackages/");
case XmlPackageLocation.Skin:
if (skinId != null)
{
return(String.Format("~/Skins/{0}/XmlPackages/", SkinProvider.GetSkinNameById(skinId.Value)));
}
else
{
throw new InvalidOperationException("A skinId must be provided when getting the location of a skin");
}
case XmlPackageLocation.Admin:
return(String.Format("~/{0}/XmlPackages/", AppLogic.GetAdminDir()));
default:
throw new NotSupportedException(String.Format("The XmlPackageLocation {0} is not supported", location));
}
}
public IEnumerable <XmlPackageInfo> GetXmlPackageInfosByPrefix(HttpContextBase httpContext, XmlPackageLocation searchLocations, string prefix = null, IEnumerable <int> skinIds = null)
{
var fileSearchPattern = String.IsNullOrEmpty(prefix)
? "*.xml.config"
: String.Format("{0}.*.xml.config", prefix);
var xmlPackageInfos = new[]
{
XmlPackageLocation.Root,
XmlPackageLocation.Skin,
XmlPackageLocation.Admin,
}
.Where(location => (searchLocations & location) == location) // Filter down the possible locations to those provided in searchLocations
.SelectMany(location => location == XmlPackageLocation.Skin // Add a skin location for each provided skin ID
? (skinIds ?? Enumerable.Empty <int>())
.Select(skinId => new
{
location,
skinId = (int?)skinId,
})
.ToArray()
: new[]
{
new
{
location,
skinId = (int?)null,
}
})
.Select(spec => new
{
spec.location,
spec.skinId,
filePaths = Directory.GetFiles(
searchPattern: fileSearchPattern,
path: httpContext.Server.MapPath(
GetXmlPackagePath(spec.location, spec.skinId))),
})
.SelectMany(xmlPackages => xmlPackages
.filePaths
.Select(filePath => new XmlPackageInfo(
location: xmlPackages.location,
path: filePath,
displayName: GetXmlPackageDisplayName(filePath),
skinId: xmlPackages.skinId)))
.OrderBy(info => info.DisplayName)
.ThenBy(info => info.SkinId)
.ToArray();
return(xmlPackageInfos);
}
