/// <summary>Creates a new instance of a derived context.</summary>
/// <param name="args"> Arguments provided by the design-time service. </param>
/// <returns> An instance of <typeparamref name="TContext" />. </returns>
public MySqlDesignTimeDefaultDbContext CreateDbContext(string[] args)
{
string connString = "Server=127.0.0.1;port=19021;UserId=root;Password=123456;Database=osharp2;charset='utf8';Allow User Variables=True";
DbContextOptionsBuilder builder = new DbContextOptionsBuilder <DefaultDbContext>();
builder.UseMySql(connString);
IEntityConfigurationTypeFinder typeFinder = new EntityConfigurationTypeFinder(new EntityConfigurationAssemblyFinder(new AppDomainAllAssemblyFinder()));
return(new MySqlDesignTimeDefaultDbContext(builder.Options, typeFinder));
}
public SqlServerDesignTimeDefaultDbContext CreateDbContext(string[] args)
{
string connString = "Server=.;Database=osharp.demo.webapi;Trusted_Connection=True;MultipleActiveResultSets=true";
DbContextOptionsBuilder builder = new DbContextOptionsBuilder <DefaultDbContext>();
builder.UseSqlServer(connString);
IEntityConfigurationTypeFinder typeFinder = new EntityConfigurationTypeFinder(new EntityConfigurationAssemblyFinder(new AppDomainAllAssemblyFinder()));
return(new SqlServerDesignTimeDefaultDbContext(builder.Options, typeFinder));
}
public override IEntityConfigurationTypeFinder GetEntityConfigurationTypeFinder()
{
if (_serviceProvider != null)
{
return(_serviceProvider.GetService <IEntityConfigurationTypeFinder>());
}
IEntityConfigurationTypeFinder typeFinder = new EntityConfigurationTypeFinder(new AppDomainAllAssemblyFinder());
typeFinder.Initialize();
return(typeFinder);
}
public static IServiceCollection UseEntityFramework(this IServiceCollection services)
{
services.TryAddSingleton(provider =>
{
var configuration = provider.GetRequiredService <IConfiguration>();
return(new EntityFrameworkOptionsConfiguration(configuration));
});
services.TryAddSingleton <IEntityConfigurationTypeFinder>(provider =>
{
var finder =
new EntityConfigurationTypeFinder(provider
.GetRequiredService <ILogger <EntityConfigurationTypeFinder> >());
((IEntityConfigurationTypeFinder)finder).Initialize();
return(finder);
});
services.TryAddScoped <DbContextFactory>();
services.AddInitializer <EntityFrameworkInitializer>();
return(services);
}
