private static bool SeedRoutes(MetroDBContext context)
{
int i = 0;
try
{
foreach (RouteDescription route in _parser.Routes.Values)
{
Console.WriteLine("Seeding routes: " + i + "/" + _parser.Routes.Count);
context.Routes.Add(new Route
{
RouteNumber = route.Route,
Description = route.Description,
Direction = route.Direction.ToString("G")
});;
i++;
}
context.SaveChanges();
}
catch (Exception e)
{
Console.WriteLine("Routes seeding failed: \n" + e.InnerException.Message);
return(false);
}
Console.WriteLine("Routes successfully seeded");
return(true);
}
private static bool SeedLocations(MetroDBContext context)
{
int i = 0;
try
{
foreach (LocationRecord location in _parser.Locations.Values)
{
Console.WriteLine("Seeding locations: " + i + "/" + _parser.Locations.Count);
context.Locations.Add(new Location
{
ShortForm = location.Location,
FullForm = location.FullLocation,
GridEasting = location.GridEasting,
GridNorthing = location.GridNorthing
});
i++;
}
context.SaveChanges();
} catch (Exception e)
{
Console.WriteLine("Locations seeding failed: \n" + e.InnerException.Message);
return(false);
}
Console.WriteLine("Locations successfully seeded");
return(true);
}
private static Stop StopFromRecord(MetroDBContext context, StopRecord record, char type = 'I')
{
Location location = context.Locations
.Where(l => l.ShortForm == record.Location).FirstOrDefault();
return(new Stop
{
Location = location,
Time = new TimeSpan(0, record.Time.Hours, record.Time.Minutes, record.Time.Seconds),
StopType = type
});
}
private static List <Stop> StopsFromJourney(JourneyRecord journeyRecord, MetroDBContext context)
{
List <Stop> result = new List <Stop>();
result.Add(StopFromRecord(context, journeyRecord.Origin, 'O'));
foreach (StopRecord record in journeyRecord.IntermediateRecords)
{
result.Add(StopFromRecord(context, record, 'I'));
}
result.Add(StopFromRecord(context, journeyRecord.Destination, 'D'));
return(result);
}
public static void SeedDB(MetroDBContext context)
{
context.Database.EnsureCreated();
if (!context.Locations.Any())
{
SeedLocations(context);
}
if (!context.Routes.Any())
{
SeedRoutes(context);
}
if (!context.Journeys.Any())
{
SeedJourneys(context);
}
}
private static bool SeedJourneys(MetroDBContext context)
{
int i = 0;
try
{
foreach (JourneyRecord journey in _parser.Journeys)
{
Console.WriteLine("Seeding journeys: " + i + "/" + _parser.Journeys.Count);
Route journeyRoute = context.Routes
.Where(r => r.RouteNumber == journey.Header.Route && r.Direction == (journey.Header.Direction.ToString("G")))
.FirstOrDefault();
context.Journeys.Add(new Journey
{
Route = journeyRoute,
Monday = journey.Header.OperationDays[0],
Tuesday = journey.Header.OperationDays[1],
Wednesday = journey.Header.OperationDays[2],
Thursday = journey.Header.OperationDays[3],
Friday = journey.Header.OperationDays[4],
Saturday = journey.Header.OperationDays[5],
Sunday = journey.Header.OperationDays[6],
BankHolidays = journey.Header.BankHolidays,
Stops = StopsFromJourney(journey, context)
});
i++;
}
context.SaveChanges();
}
catch (Exception e)
{
Console.WriteLine("Journey seeding failed: \n" + e.InnerException.Message);
return(false);
}
Console.WriteLine("Journey successfully seeded");
return(true);
}
public MetroRepository(MetroDBContext context)
{
_context = context;
}
