/// <summary>
/// Program entry point for WidgenAir.Parser.
/// </summary>
/// <param name="args"></param>
public static void Main(string[] args)
{
// Set database initializer to drop the database if it doesn't match our model.
// Consider commenting the line out for release builds.
Database.SetInitializer(new DropCreateDatabaseIfModelChanges<WidgenAirContext>());
// Create and initialize new instance of NoaaMetarParser.
IMetarParser metarParser = new NoaaMetarParser();
using (WidgenAirContext dbContext = new WidgenAirContext())
{
foreach (Observation observation in metarParser.GetObservations())
{
Console.WriteLine("{0}:\t{1}", observation.Icao, observation.Metar);
// Find existing record with matching ICAO code.
Observation existingObservationRecord = dbContext.Observations.FirstOrDefault(o => o.Icao == observation.Icao);
// Check if an existing record was found.
if (existingObservationRecord != null)
{
existingObservationRecord.Metar = observation.Metar;
existingObservationRecord.ObservationTime = observation.ObservationTime;
existingObservationRecord.ColourState = observation.ColourState;
}
// Create new database record if an existing record was not found.
else
{
Observation testObservation = new Observation();
testObservation.Icao = observation.Icao;
testObservation.Metar = observation.Metar;
testObservation.ObservationTime = observation.ObservationTime;
testObservation.ColourState = observation.ColourState;
// Add the newly created Observation record to database context.
dbContext.Observations.Add(testObservation);
}
}
// Save all changes made to the database context to the underlying database.
dbContext.SaveChanges();
Console.WriteLine("Run finished.");
}
}
public Observation GetObservation(string ICAO)
{
//Initializes a new instance of WidgenAirContext.
using (WidgenAirContext dbContext = new WidgenAirContext())
{
Observation obs = new Observation();
//Select dataset from database from an icao code.
var observation = (from o in dbContext.Observations
where o.Icao == ICAO
select o).First();
//Variables containing dataset from database.
obs.ObservationId = obs.ObservationId;
obs.Icao = observation.Icao;
obs.Metar = observation.Metar;
obs.ObservationTime = observation.ObservationTime;
obs.ColourState = observation.ColourState;
return obs;
}
}
