private static IDatabaseInitializer <TContext> Create <TContext, TSeeder>(DatabaseInitializerType initializerType)
where TContext : DbContext
where TSeeder : IInitializerSeeder <TContext>, new()
{
switch (initializerType)
{
case DatabaseInitializerType.Nothing:
return(new NullDatabaseInitializer <TContext>());
case DatabaseInitializerType.DropCreateAlways:
return(new DropCreateDatabaseAlwaysInitializer <TContext, TSeeder>());
case DatabaseInitializerType.CreateIfNotExists:
return(new CreateDatabaseIfNotExistsInitializer <TContext, TSeeder>());
case DatabaseInitializerType.NoPendingMigrations:
return(new NoPendingMigrationsInitializer <TContext, TSeeder, DisableMigrationsConfiguration <TContext> >());
case DatabaseInitializerType.MigrateDatabaseToLatestVersion:
return(new MigrateDatabaseToLatestVersionInitializer <TContext, TSeeder, EnableMigrationsConfiguration <TContext> >());
case DatabaseInitializerType.DropCreateDatabaseIfModelChanges:
return(new DropCreateDatabaseIfModelChangesInitializer <TContext, TSeeder>());
default:
throw new ArgumentOutOfRangeException($"Unsupported initializer type {initializerType}");
}
}
private static void Run <TContext>(bool withSeeder) where TContext : AbstractDbContextForInsurance, new()
{
const DatabaseInitializerType initializerType = DatabaseInitializerType.DropCreateAlways;
if (withSeeder)
{
DatabaseInitializerStrategy.Initialize <TContext, RandomInsuranceSeeder <TContext> >(initializerType);
}
else
{
DatabaseInitializerStrategy.Initialize <TContext, EmptyInsuranceSeeder <TContext> >(initializerType);
}
using (var context = new TContext())
{
var providers = context.Providers.ToList();
foreach (var provider in providers)
{
Console.WriteLine($"Provider id {provider.Id} has code {provider.ProviderCode}");
}
var insurances = context.Insurances.ToList();
foreach (var insurance in insurances)
{
Console.WriteLine($"Insurance id {insurance.Id} has code {insurance.InsuranceCode}");
}
}
}
public static void Initialize <TContext, TSeeder>(DatabaseInitializerType initializerType)
where TContext : DbContext
where TSeeder : IInitializerSeeder <TContext>, new()
{
var initializer = Create <TContext, TSeeder>(initializerType);
initializer.CloseOpenedConnections();
Database.SetInitializer(initializer);
}
