// use ordinals to speed up access to DataReader
// links:
// crud definition: https://en.wikipedia.org/wiki/Create,_read,_update_and_delete
// docLink: http://sql2x.org/documentationLink/327451c3-64a8-4de8-b359-76742d634497
// parameters:
// reader: IDataReader from SQLClient
public void Populate(IDataReader reader, AirportsAvailableWithFilterDataOrdinals ordinals)
{
if (!reader.IsDBNull(ordinals.AirportId))
{
AirportId = reader.GetGuid(ordinals.AirportId);
}
if (!reader.IsDBNull(ordinals.AirportIdentifierCode))
{
AirportIdentifierCode = reader.GetString(ordinals.AirportIdentifierCode);
}
if (!reader.IsDBNull(ordinals.AirportName))
{
AirportName = reader.GetString(ordinals.AirportName);
}
}
/// <summary>Get airports</summary>
/// <cardinality>Many</cardinality>
public List <AirportsAvailableWithFilterData> AirportsAvailableWithFilter(
Guid departureAirportId,
Guid arrivalAirportId,
DateTime fromDateTime,
DateTime untilDateTime
)
{
var ret = new List <AirportsAvailableWithFilterData>();
// distinct removed because of sql2x inadequety
string sql = @"
select
a.airport_id
,dai.airport_identifier_code
,a.airport_name
from airport as a
inner join airport_identifier as dai on dai.airport_id = a.airport_id
and dai.airport_identifier_type_rcd = dbo.ref('airport_identifier_type_ref.AC3')
union
select
null
,'All'
,'All'
";
if (departureAirportId != Guid.Empty)
{
sql += " and fl.departure_airport_id = @departure_airport_id\r\n";
}
if (arrivalAirportId != Guid.Empty)
{
sql += " and fl.arrival_airport_id = @arrival_airport_id\r\n";
}
sql += " order by a.airport_name\r\n";
using (var conn = new SqlConnection(Conn.ConnectionString)) {
conn.Open();
conn.BeginTransaction(IsolationLevel.ReadUncommitted).Commit();
using (var command = new SqlCommand(sql, conn)) {
command.Parameters.Add("@departure_airport_id", SqlDbType.UniqueIdentifier).Value = departureAirportId;
command.Parameters.Add("@arrival_airport_id", SqlDbType.UniqueIdentifier).Value = arrivalAirportId;
command.Parameters.Add("@from_date_time", SqlDbType.DateTime).Value = fromDateTime;
command.Parameters.Add("@until_date_time", SqlDbType.DateTime).Value = untilDateTime;
Logging log = Logging.PerformanceTimeStart("SolutionNorSolutionPort.DataAccessLayer.FlightSearch.AirportsAvailableWithFilter");
IDataReader reader = command.ExecuteReader(CommandBehavior.SingleResult);
log.PerformanceTimeStop(sql, command);
var ordinals = new AirportsAvailableWithFilterDataOrdinals(reader);
while (reader.Read())
{
var data = new AirportsAvailableWithFilterData();
data.Populate(reader, ordinals);
ret.Add(data);
}
reader.Close();
}
return(ret);
}
}
