/// <summary>
/// Loads the propertylist definitions for a propertylist based on its model type.
/// </summary>
/// <param name="model">The model type for which propertylist definitions is to be loaded.</param>
/// <returns>Returns an object describing the propertylist.</returns>
/// <remarks>This method is not used by applications. It is reserved for component implementation.</remarks>
public static async Task <PropertyListSetup> LoadPropertyListDefinitionsAsync(Type model)
{
string controller;
string objClass;
if (model.FullName.Contains("+"))
{
string className = model.FullName.Split(new char[] { '.' }).Last();
string[] s = className.Split(new char[] { '+' });
int len = s.Length;
if (len != 2)
{
throw new InternalError($"Unexpected class {className} in propertylist model {model.FullName}");
}
controller = s[0];
objClass = s[1];
}
else
{
string[] s = model.FullName.Split(new char[] { '.' });
int len = s.Length;
if (len < 2)
{
throw new InternalError($"Unexpected class {model.FullName} as propertylist model");
}
controller = s[len - 2];
objClass = s[len - 1];
}
string file = controller + "." + objClass;
Package package = Package.GetPackageFromType(model);
string predefUrl = VersionManager.GetAddOnPackageUrl(package.AreaName) + "PropertyLists/" + file;
string customUrl = VersionManager.GetCustomUrlFromUrl(predefUrl);
PropertyListSetup setup = null;
PropertyListSetup predefSetup = await ReadPropertyListSetupAsync(package, model, Utility.UrlToPhysical(predefUrl));
if (predefSetup.ExplicitDefinitions)
{
setup = predefSetup;
}
PropertyListSetup customInfo = await ReadPropertyListSetupAsync(package, model, Utility.UrlToPhysical(customUrl));
if (customInfo.ExplicitDefinitions)
{
setup = customInfo;
}
if (setup == null)
{
setup = new PropertyListSetup();
}
return(setup);
}
private static async Task <PropertyListSetup> ReadPropertyListSetupAsync(Package package, Type model, string file)
{
using (ICacheDataProvider cacheDP = YetaWF.Core.IO.Caching.GetStaticSmallObjectCacheProvider()) {
// Check cache first
GetObjectInfo <PropertyListSetup> info = await cacheDP.GetAsync <PropertyListSetup>(file);
if (info.Success)
{
return(info.Data);
}
// Load the file
if (YetaWFManager.DiagnosticsMode) // to avoid exception spam
{
if (!await FileSystem.FileSystemProvider.FileExistsAsync(file))
{
PropertyListSetup setup = new PropertyListSetup {
ExplicitDefinitions = false,
};
await cacheDP.AddAsync <PropertyListSetup>(file, setup);// failure also saved in cache
return(setup);
}
}
string text;
try {
text = await FileSystem.FileSystemProvider.ReadAllTextAsync(file);
} catch (Exception) {
PropertyListSetup setup = new PropertyListSetup {
ExplicitDefinitions = false,
};
await cacheDP.AddAsync <PropertyListSetup>(file, setup);// failure also saved in cache
return(setup);
}
{
PropertyListSetup setup = Utility.JsonDeserialize <PropertyListSetup>(text);
setup.ExplicitDefinitions = true;
// save in cache
await cacheDP.AddAsync <PropertyListSetup>(file, setup);
return(setup);
}
}
}
