DesignTimeDbContextFactoryHelpers.cs

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using Microsoft.EntityFrameworkCore;
using Microsoft.Extensions.Options;
 
using Tgstation.Server.Host.Configuration;
 
namespace Tgstation.Server.Host.Database.Design
{
    static class DesignTimeDbContextFactoryHelpers
    {
        public static DbContextOptions<TDatabaseContext> CreateDatabaseContextOptions<TDatabaseContext>(
            DatabaseType databaseType,
            string connectionString,
            string? serverVersion = null)
            where TDatabaseContext : DatabaseContext
        {
            var dbConfig = new DatabaseConfiguration
            {
                DatabaseType = databaseType,
                ConnectionString = connectionString,
                ServerVersion = serverVersion,
            };
 
            var optionsFac = new DbContextOptionsBuilder<TDatabaseContext>();
            var configureAction = DatabaseContext.GetConfigureAction<TDatabaseContext>();
 
            configureAction(optionsFac, dbConfig);
 
            return optionsFac.Options;
        }
    }
}