source: extensions/PiwigoLib/PiwigoUpload/Helper/LocalDataHelper.cs @ 13847

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Com.Piwigo.Uploader.DTO;

namespace Com.Piwigo.Uploader.Helper
{
    public static class LocalDataHelper
    {
        public static void DeleteWhenFoundInTree(LocalAlbum alb, ref LocalAlbumList lstAlbum)
        {
            LocalAlbum treeAlb = null;

            for (int i = 0; i < lstAlbum.Count; i += 1)
            {
                treeAlb = lstAlbum.FirstOrDefault(a => a.LocalDir == alb.LocalDir);
                if (treeAlb != default(LocalAlbum))
                {
                    DeleteAlbum(ref treeAlb);
                    lstAlbum.RemoveAt(i);
                    return;
                }
            }
            for (int i = 0; i < lstAlbum.Count; i += 1)
            {
                LocalAlbumList FoundInLstAlb = lstAlbum[i].SubAlbums;
                DeleteWhenFoundInTree(alb, ref FoundInLstAlb); 
            }
        }

        public static void DeleteAlbum(ref LocalAlbum alb)
        {
            //on vire les images
            alb.LocalImages.Clear(); 
            foreach (LocalAlbum subAlb in alb.SubAlbums)
                {
                LocalAlbum subAlbtoDel = subAlb;
                // on boucle sur les sous-albums
                DeleteAlbum(ref subAlbtoDel);
                }
            // on vide les sous-album
            alb.SubAlbums.Clear();
        }

        public static void DeleteInTree (LocalAlbum alb)
        {
            //si l'album depend de la racine
            LocalAlbum treeAlb = ModelManager.Instance.lstAlbumLocaux.FirstOrDefault(a => a.LocalDir == alb.LocalDir);
            if (treeAlb != default(LocalAlbum))
            {
                DeleteAlbum(ref treeAlb);
                ModelManager.Instance.lstAlbumLocaux.Remove(treeAlb);
            }
            else
            {
                LocalAlbumList lal = ModelManager.Instance.lstAlbumLocaux;
                DeleteWhenFoundInTree(alb,ref lal);
            }
        }
    }
}