public async Task <PageDefinition> LoadPageDefinitionAsync(Guid key)
{
GetCachedPageInfo pageInfo = await GetCachedPageAsync(key);
PageDefinition page;
if (pageInfo.Success)
{
page = pageInfo.Page;
if (page != null)
{
page.Temporary = false;
}
}
else
{
page = await DataProvider.GetAsync(key);
if (page != null)
{
page.Temporary = false;
await SetCachedPageAsync(page);
}
else
{
await SetEmptyCachedPageAsync(key);
}
}
return(page);
}
private async Task <GetCachedPageInfo> GetCachedPageAsync(Guid guid)
{
GetCachedPageInfo pageInfo = new GetCachedPageInfo();
GetObjectInfo <PageDefinition> objInfo;
using (ICacheDataProvider sharedCacheDP = YetaWF.Core.IO.Caching.GetSharedCacheProvider()) {
objInfo = await sharedCacheDP.GetAsync <PageDefinition>(CacheKey(guid));
}
if (!objInfo.Success)
{
return(pageInfo);
}
if (objInfo.Data != null)
{
// make a type correct copy of the data, we don't want caller to modify the cached page
Type objType = objInfo.Data.GetType();
PageDefinition newObj = (PageDefinition)Activator.CreateInstance(objType);
ObjectSupport.CopyData(objInfo.Data, newObj);
pageInfo.Page = newObj;
}
pageInfo.Success = true;
return(pageInfo);
}
