public static WishlistCollection LoadForUser(Int32 userId, int maximumRows, int startRowIndex, string sortExpression)
{
//CREATE THE DYNAMIC SQL TO LOAD OBJECT
StringBuilder selectQuery = new StringBuilder();
selectQuery.Append("SELECT");
if (maximumRows > 0)
{
selectQuery.Append(" TOP " + (startRowIndex + maximumRows).ToString());
}
selectQuery.Append(" " + Wishlist.GetColumnNames(string.Empty));
selectQuery.Append(" FROM ac_Wishlists");
selectQuery.Append(" WHERE UserId = @userId");
if (!string.IsNullOrEmpty(sortExpression))
{
selectQuery.Append(" ORDER BY " + sortExpression);
}
Database database = Token.Instance.Database;
DbCommand selectCommand = database.GetSqlStringCommand(selectQuery.ToString());
database.AddInParameter(selectCommand, "@userId", System.Data.DbType.Int32, userId);
//EXECUTE THE COMMAND
WishlistCollection results = new WishlistCollection();
int thisIndex = 0;
int rowCount = 0;
using (IDataReader dr = database.ExecuteReader(selectCommand))
{
while (dr.Read() && ((maximumRows < 1) || (rowCount < maximumRows)))
{
if (thisIndex >= startRowIndex)
{
Wishlist wishlist = new Wishlist();
Wishlist.LoadDataReader(wishlist, dr);
results.Add(wishlist);
rowCount++;
}
thisIndex++;
}
dr.Close();
}
return(results);
}
/// <summary>
/// Moves the source wishlist to the target wishlist.
/// </summary>
/// <param name="sourceId">The ID of the user with the source wishlist.</param>
/// <param name="targetId">The ID of the user to transfer the wishlist to.</param>
/// <param name="transferEmptyWishlist">If false, the wishlist is not transferred when the source wishlist is empty. If true, the wishlist is always transferred.</param>
/// <remarks>Any existing contents of the target wishlist are removed prior to transfer.</remarks>
public static void Transfer(int sourceId, int targetId, bool transferEmptyWishlist)
{
if (sourceId != targetId)
{
//GET THE DEFAULT BASKET FOR THE SOURCE USER
WishlistCollection sourceWishlists = WishlistDataSource.LoadForUser(sourceId);
if (sourceWishlists.Count == 0)
{
return;
}
Wishlist sourceWishlist = sourceWishlists[0];
if (!transferEmptyWishlist)
{
//WE SHOULD NOT TRANSFER EMPTY BASKETS, COUNT THE SOURCE ITEMS
int sourceCount = WishlistItemDataSource.CountForWishlist(sourceWishlist.WishlistId);
if (sourceCount == 0)
{
return;
}
}
//DETERMINE WHETHER USER HAS A WISHLIST ALREADY
Database database = Token.Instance.Database;
DbCommand command = database.GetSqlStringCommand("SELECT WishlistId FROM ac_Wishlists WHERE UserId = @targetId");
database.AddInParameter(command, "@targetId", System.Data.DbType.Int32, targetId);
int targetWishlistId = AlwaysConvert.ToInt(database.ExecuteScalar(command));
if (targetWishlistId == 0)
{
//USER HAS NO WISHLIST, SO MOVE THE SOURCE WISHLIST TO NEW USER
sourceWishlist.UserId = targetId;
sourceWishlist.Save();
}
else
{
//USER HAS A WISHLIST, JUST MOVE ITEMS FROM SOURCE TO TARGET
command = database.GetSqlStringCommand("UPDATE ac_WishlistItems SET WishlistId = @targetWishlistId WHERE WishlistId = @sourceWishlistId");
database.AddInParameter(command, "@targetWishlistId", System.Data.DbType.Int32, targetWishlistId);
database.AddInParameter(command, "@sourceWishlistId", System.Data.DbType.Int32, sourceWishlist.WishlistId);
database.ExecuteNonQuery(command);
}
}
}
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