public static ObservableCollection <Catalog> UpdateTreeViewChannels(string login)
{
ObservableCollection <Catalog> catalogs = new ObservableCollection <Catalog>();
Catalog catalogf = new Catalog
{
CatalogName = "Favorite"
};
catalogs.Add(catalogf);
List <string> catalogsTitle = _operationDataBase.FindRssChannelCategory(login).Distinct().ToList();
for (int i = 0; i < catalogsTitle.Count; i++)
{
Catalog catalog = new Catalog();
catalog.CatalogName = catalogsTitle[i];
ObservableCollection <RssChannel> rssChannels = new ObservableCollection <RssChannel>();
List <string> listChannelsTitles = _operationDataBase.GetRssChanelTitels(login, catalogsTitle[i]).ToList();
for (int j = 0; j < listChannelsTitles.Count; j++)
{
rssChannels.Add(new RssChannel {
Title = listChannelsTitles[j]
});
}
catalog.RssChannels = rssChannels;
catalogs.Add(catalog);
}
return(catalogs);
}
