//----------------------------------------------------------------------------------------------------------
//----------------------------------------------------------------------------------------------------------
// apply order to playlist songs
//
//authentitication implemented inside (ajax call)
public string applyOrder()
{
//--------------------------------------------------------------------------------------------
if (User.Identity.IsAuthenticated == false)
{
return("not authorized");
}
//--------------------------------------------------------------------------------------------
// 1.parse parameters
//--------------------------------------------------------------------------------------------
int SONG_ID = 0;
int SONG_ORDER = 0;
int ACTIVE_PL = 0;
bool params_parsed = true;
if (Request.QueryString["SONG_ID"] != null && Int32.TryParse(Request.QueryString["SONG_ID"], out SONG_ID) == false)
{
params_parsed = false;
}
if (Request.QueryString["SONG_ORDER"] != null && Int32.TryParse(Request.QueryString["SONG_ORDER"], out SONG_ORDER) == false)
{
params_parsed = false;
}
if (Request.QueryString["ACTIVE_PL"] != null && Int32.TryParse(Request.QueryString["ACTIVE_PL"], out ACTIVE_PL) == false)
{
params_parsed = false;
}
//--------------------------------------------------------------------------------------------
//--------------------------------------------------------------------------------------------
if (params_parsed == true)
{
hypster_tv_DAL.memberManagement memberManager = new hypster_tv_DAL.memberManagement();
hypster_tv_DAL.Member curr_user = new hypster_tv_DAL.Member();
curr_user = memberManager.getMemberByUserName(User.Identity.Name);
hypster_tv_DAL.playlistManagement playlistsManagement = new hypster_tv_DAL.playlistManagement();
List <hypster_tv_DAL.PlaylistData_Song> songs_list = new List <hypster_tv_DAL.PlaylistData_Song>();
songs_list = playlistsManagement.GetSongsForPlayList(curr_user.id, ACTIVE_PL);
int UPD_INDEX = -1;
int i_count = 0;
hypster_tv_DAL.PlaylistData_Song i_currSong = new hypster_tv_DAL.PlaylistData_Song();
//2. find position of where new link will be located
//**************************************************************************************************************************
i_count = 0;
foreach (hypster_tv_DAL.PlaylistData_Song item in songs_list)
{
if (item.playlist_track_id == SONG_ID)
{
int add_ind = 0;
if (SONG_ORDER > 0)
{
add_ind = 1;
}
UPD_INDEX = i_count + SONG_ORDER + add_ind;
i_currSong = item;
break;
}
i_count++;
}
//**************************************************************************************************************************
bool update_order = false;
//3. get to position of new element and start updating new order
//**************************************************************************************************************************
List <hypster_tv_DAL.PlaylistData_Song> upd_links_arr = new List <hypster_tv_DAL.PlaylistData_Song>();
i_count = 0;
foreach (hypster_tv_DAL.PlaylistData_Song ii_item in songs_list)
{
//inc next items order
if (update_order == true)
{
if (ii_item.playlist_track_id != SONG_ID)
{
ii_item.sortid += 1;
upd_links_arr.Add(ii_item);
}
}
//find start element
if (UPD_INDEX == i_count)
{
i_currSong.sortid = ii_item.sortid;
upd_links_arr.Add(i_currSong);
update_order = true;
ii_item.sortid += 1;
upd_links_arr.Add(ii_item);
}
i_count++;
}
playlistsManagement.Update_CustomOrder(curr_user.id, upd_links_arr);
//**************************************************************************************************************************
}
//--------------------------------------------------------------------------------------------
return("true");
}