static void Main(string[] args)
{
Database.SetInitializer(new MigrateDatabaseToLatestVersion <MountainsContext, Configuration>());
var context = new MountainsContext();
Country c = new Country()
{
Code = "AB", Name = "Balgaria"
};
Mountain m = new Mountain()
{
Name = "Stara Planina"
};
m.Peaks.Add(new Peak()
{
Name = "Musala", Mountain = m
});
m.Peaks.Add(new Peak()
{
Name = "Vihren", Mountain = m
});
c.Mountains.Add(m);
context.Countries.Add(c);
context.SaveChanges();
}
static void Main(string[] args)
{
Database.SetInitializer(new MigrateDatabaseToLatestVersion <MountainsContext, Configuration>());
var context = new MountainsContext();
var peaks = context.Peaks.Select(p => new
{
Name = p.Name
});
Console.WriteLine(string.Join(", ", peaks));
}
private static void Main()
{
// pres Enable-Migrations
// Database.SetInitializer(new MigrateDatabaseToLatestVersion<StudentSystemDbContext, Configuration>());
//db.Database.Initialize(true);
var context = new MountainsContext();
var bulgaria = new Country {
Code = "1S", Name = "Bulagria"
};
var rila = new Mountain {
Name = "Rila", Countries = { bulgaria }
};
var musala = new Peak {
Name = "Musala", Mountain = rila, Elevation = 2925
};
context.Countries.Add(bulgaria);
context.Mountains.Add(rila);
context.Peaks.Add(musala);
context.SaveChanges();
var countriesQuery = context.Countries.Select(c =>
new
{
ContryName = c.Name,
Mountains = c.Mountains.Select(m =>
new
{
m.Name,
m.Peaks
})
});
foreach (var country in countriesQuery)
{
Console.WriteLine("Country: " + country.ContryName);
foreach (var mountain in country.Mountains)
{
Console.WriteLine(" Mountain: " + mountain.Name);
foreach (var peak in mountain.Peaks)
{
Console.WriteLine("\t{0} ({1})", peak.Name, peak.Elevation);
}
}
}
}
static void Main(string[] args)
{
var context = new MountainsContext();
var countries = context.Countries.Count();
var newCountry = new Country()
{
Name = "ZZ Country",
Code = "ZZ"
};
context.Countries.Add(newCountry);
context.SaveChanges();
//Console.WriteLine(countries);
}
static void Main()
{
var context = new MountainsContext();
var query = context.Mountains.Select(m => new
{
m.Name,
Countries = m.Countries.Select(c => c.Name),
Peaks = m.Peaks.Select(p => p.Name).ToList()
});
foreach (var m in query)
{
Console.WriteLine("{0} ; {1} ; {2}",
m.Name,
String.Join(", ", m.Countries),
String.Join(", ", m.Peaks));
}
}
static void Main()
{
Database.SetInitializer(new MigrateDatabaseToLatestVersion <MountainsContext, MountainsDatabaseMigrationConfiguration>());
var context = new MountainsContext();
var query = context.Mountains.Select(m => new
{
m.Name,
Countries = m.Countries.Select(c => c.Name),
Peaks = m.Peaks.Select(p => p.Name)
});
foreach (var m in query)
{
Console.WriteLine("{0} ; {1} ; {2}", m.Name, String.Join(", ", m.Countries), String.Join(", ", m.Peaks));
}
}
static void Main()
{
var context = new MountainsContext();
var query = context.Mountains.Select(m => new
{
m.Name,
Countries = m.Countries.Select(c => c.Name),
Peaks = m.Peaks.Select(p => p.Name).ToList()
});
foreach (var m in query)
{
Console.WriteLine("{0} ; {1} ; {2}",
m.Name,
String.Join(", ", m.Countries),
String.Join(", ", m.Peaks));
}
}
private static void Main()
{
// pres Enable-Migrations
// Database.SetInitializer(new MigrateDatabaseToLatestVersion<StudentSystemDbContext, Configuration>());
//db.Database.Initialize(true);
var context = new MountainsContext();
var bulgaria = new Country { Code = "1S", Name = "Bulagria" };
var rila = new Mountain { Name = "Rila", Countries = { bulgaria } };
var musala = new Peak { Name = "Musala", Mountain = rila, Elevation = 2925 };
context.Countries.Add(bulgaria);
context.Mountains.Add(rila);
context.Peaks.Add(musala);
context.SaveChanges();
var countriesQuery = context.Countries.Select(c =>
new
{
ContryName = c.Name,
Mountains = c.Mountains.Select(m =>
new
{
m.Name,
m.Peaks
})
});
foreach (var country in countriesQuery)
{
Console.WriteLine("Country: " + country.ContryName);
foreach (var mountain in country.Mountains)
{
Console.WriteLine(" Mountain: " + mountain.Name);
foreach (var peak in mountain.Peaks)
{
Console.WriteLine("\t{0} ({1})", peak.Name, peak.Elevation);
}
}
}
}
private static void AddCountryToDb(MountainsContext context, MountainDTO mountainDTO)
{
if(mountainDTO.MountainName == null)
{
throw new Exception("Mountain name is required");
}
var m = new Mountain() { Name = mountainDTO.MountainName };
foreach (var peak in mountainDTO.Peaks)
{
if(peak.PeakName == null)
{
throw new Exception("Peak name is required");
}
if(peak.Elevation == null)
{
throw new Exception("Peak elevation is required");
}
var peakToDb = new Peak()
{
Name = peak.PeakName,
Elevation = peak.Elevation.GetValueOrDefault()
};
m.Peaks.Add(peakToDb);
}
foreach (var countryName in mountainDTO.Countries)
{
var country = context.Countries.FirstOrDefault(c => c.Name == countryName);
if (country == null)
{
country = new Country()
{
Code = countryName.ToUpper().Substring(0, 2),
Name = countryName
};
}
country.Mountains.Add(m);
context.Countries.Add(country);
}
context.Mountains.Add(m);
}
static void Main()
{
var context = new MountainsContext();
var json = File.ReadAllText(@"../../mountains.json");
JavaScriptSerializer ser = new JavaScriptSerializer();
var mountains = ser.Deserialize<MountainDTO[]>(json);
foreach (var mountainDTO in mountains)
{
try
{
AddCountryToDb(context, mountainDTO);
Console.WriteLine("Mountain {0} imported", mountainDTO.MountainName);
}
catch(Exception ex)
{
Console.WriteLine("Error: {0}", ex.Message);
}
}
context.SaveChanges();
}
static void Main(string[] args)
{
Database.SetInitializer(new MountainsMigrationStrategy());
//Country c = new Country() {Code = "AB" , Name = "Absurdistan"};
//Mountain m = new Mountain() {Name = "Absurditan Hills" };
//m.Peaks.Add(new Peak() {Name = "Great Peak", Mountain = m});
//m.Peaks.Add(new Peak() {Name = "Small Peak", Mountain = m});
//c.Mountains.Add(m);
//var context = new MountainsContext();
//context.Countries.Add(c);
//context.SaveChanges();
var context = new MountainsContext();
var countriesQuery = context.Countries.Select(c => new
{
CountryName = c.Name,
Mountains = c.Mountains.Select(m => new
{
m.Name,
m.Peaks
})
});
foreach (var country in countriesQuery)
{
Console.WriteLine("Country: " + country.CountryName);
foreach (var mountain in country.Mountains)
{
Console.WriteLine(" Mountain: " + mountain.Name);
foreach (var peak in mountain.Peaks)
{
Console.WriteLine("\t{0} ({1})", peak.Name, peak.Elevation);
}
}
}
}
