/// <summary>
/// Paged by transfer
/// </summary>
/// <param name="filter"></param>
/// <returns></returns>
public PageList<TransferInfo> QueryTransfers(TransferFilter filter)
{
var query = BuildQuery(filter);
var pageList = new PageList<TransferInfo>();
var pageIndex = filter.PageIndex <= 0 ? 0 : filter.PageIndex - 1;
pageList.TotalCount = query.Count();
pageList.PageIndex = pageIndex + 1;
pageList.PageSize = filter.PageSize;
if (filter.PageSize > 0)
{
pageList.List.AddRange(query.OrderByDescending(r => r.Time).Skip(pageIndex * filter.PageSize)
.Take(filter.PageSize).ToList().Select(ToNep5TransferInfo));
}
return pageList;
}
private IQueryable<Nep5TransferEntity> BuildQuery(TransferFilter filter)
{
IQueryable<Nep5TransferEntity> query = _sqldb.Nep5Transactions.Where(t => t.TxId != null)
.Include(t => t.From)
.Include(t => t.To)
.Include(t => t.Asset).Where(t => t.Asset.DeleteOrMigrateTxId == null);
if (filter.FromOrTo.NotEmpty())
{
var addresses = filter.FromOrTo.Select(a => a.ToBigEndianHex()).ToList();
query = query.Where(r => addresses.Contains(r.From.Hash) || addresses.Contains(r.To.Hash));
}
if (filter.From.NotEmpty())
{
var addresses = filter.From.Select(a => a.ToBigEndianHex()).ToList();
query = query.Where(r => addresses.Contains(r.From.Hash));
}
if (filter.To.NotEmpty())
{
var addresses = filter.To.Select(a => a.ToBigEndianHex()).ToList();
query = query.Where(r => addresses.Contains(r.To.Hash));
}
if (filter.StartTime != null)
{
query = query.Where(r => r.Time >= filter.StartTime.Value.ToUniversalTime());
}
if (filter.EndTime != null)
{
query = query.Where(r => r.Time <= filter.EndTime.Value.ToUniversalTime());
}
if (filter.Asset != null)
{
query = query.Where(r => r.Asset.Hash == filter.Asset.ToBigEndianHex());
}
if (filter.BlockHeight != null)
{
query = query.Where(r => r.BlockHeight == filter.BlockHeight);
}
if (filter.TxIds.NotEmpty())
{
var txids = filter.TxIds.Select(t => t.ToBigEndianHex()).Distinct().ToList();
query = query.Where(r => txids.Contains(r.TxId));
}
return query;
}
/// <summary>
/// Paged by Transactions
/// </summary>
/// <param name="filter"></param>
/// <returns></returns>
public PageList<TransferInfo> QueryNep5Transactions(TransferFilter filter)
{
var query = BuildQuery(filter);
var pageList = new PageList<TransferInfo>();
var pageIndex = filter.PageIndex <= 0 ? 0 : filter.PageIndex - 1;
pageList.TotalCount = query.GroupBy(q => q.TxId).Count();
pageList.PageIndex = pageIndex + 1;
pageList.PageSize = filter.PageSize;
if (filter.PageSize > 0)
{
var txIds = query.GroupBy(q => new { q.TxId, q.Time }).OrderByDescending(g => g.Key.Time).Select(g => g.Key)
.Skip(pageIndex * filter.PageSize)
.Take(filter.PageSize).Select(g => g.TxId).ToList();
pageList.List.AddRange(query.Where(q => txIds.Contains(q.TxId)).OrderByDescending(r => r.Time).ToList().Select(ToNep5TransferInfo));
}
return pageList;
}
