qliberace/qdr.app.qlbrc.console/Commands/DbUninstallCmd.cs

using Microsoft.Data.SqlClient;
using Quadarax.Application.QLiberace.Base;
using Quadarax.Application.QLiberace.Console.Commands.Base;
using Quadarax.Foundation.Core.QConsole;
using Quadarax.Foundation.Core.QConsole.Attributes;
using Quadarax.Foundation.Core.Value;
using static Quadarax.Application.QLiberace.Console.Constants.Commands;

namespace Quadarax.Application.QLiberace.Console.Commands
{
    [CommandDefinition]
    internal class DbUninstallCmd: DbContextCommand
    {
        #region *** Properties ***

        public override string Name => DbUninstall.Name;
        public override string Description => DbUninstall.Description;
        
        #endregion
        #region *** Fields ***

        #endregion

        #region *** Constructor ***

        public DbUninstallCmd(Engine engine) : base(engine)
        {
        }
        #endregion
        
        #region *** EXECUTE ***
        protected override Result OnExecute(QlbrcDbContext context)
        {
            WriteInfo("Connecting database...");
            var resultCode = 0;
            try
            {
                if (context.Database.CanConnect())
                {
                    WriteInfo("Deleting database...");
                    context.Database.EnsureDeleted();
                }
                else
                {
                    resultCode = DbUninstall.ReturnCodes.DatabaseNotExists;
                    WriteWarning("Database not exists.");
                }

            }
            catch (SqlException e)
            {
                return HandleConnectionException(e);
            }

            return new Result(resultCode);
        }

        
        #endregion

        #region *** Private operations ***
        #endregion
    }

}