entity 오류로인해 제거해야해서 . 제거전 백업

DBMigration/Forms/MainForm.cs

@@ -0,0 +1,184 @@
+using DBMigration.Models;
+using DBMigration.Services;
+
+namespace DBMigration.Forms
+{
+    public partial class MainForm : Form
+    {
+        private readonly DatabaseService _databaseService;
+        private readonly MigrationService _migrationService;
+        private ConnectionInfo? _sourceConnection;
+        private ConnectionInfo? _targetConnection;
+        private List<DatabaseObject>? _databaseObjects;
+        private readonly CancellationTokenSource _cancellationTokenSource;
+
+        public MainForm()
+        {
+            InitializeComponent();
+            _databaseService = new DatabaseService();
+            _migrationService = new MigrationService();
+            _cancellationTokenSource = new CancellationTokenSource();
+            _databaseObjects = new List<DatabaseObject>();
+        }
+
+        private async void btnConnectSource_Click(object sender, EventArgs e)
+        {
+            using (var form = new ConnectionForm())
+            {
+                if (form.ShowDialog() == DialogResult.OK)
+                {
+                    _sourceConnection = form.ConnectionInfo;
+                    await LoadDatabaseObjectsAsync();
+                }
+            }
+        }
+
+        private async Task LoadDatabaseObjectsAsync()
+        {
+            try
+            {
+                btnConnectSource.Enabled = false;
+                treeObjects.Nodes.Clear();
+                
+                // 테이블, 뷰, 프로시저 노드 생성
+                var tableNode = treeObjects.Nodes.Add("Tables");
+                var viewNode = treeObjects.Nodes.Add("Views");
+                var procNode = treeObjects.Nodes.Add("Stored Procedures");
+                
+                // 테이블 로드
+                tableNode.Nodes.Add("Loading...");
+                treeObjects.ExpandAll();
+                await LoadTablesAsync(tableNode);
+                
+                // 뷰 로드
+                viewNode.Nodes.Add("Loading...");
+                await LoadViewsAsync(viewNode);
+                
+                // 프로시저 로드
+                procNode.Nodes.Add("Loading...");
+                await LoadProceduresAsync(procNode);
+
+                btnConnectSource.Enabled = true;
+            }
+            catch (Exception ex)
+            {
+                MessageBox.Show($"데이터베이스 객체 로드 중 오류 발생: {ex.Message}", "오류", MessageBoxButtons.OK, MessageBoxIcon.Error);
+                btnConnectSource.Enabled = true;
+            }
+        }
+
+        private async Task LoadTablesAsync(TreeNode parentNode)
+        {
+            try
+            {
+                parentNode.Nodes.Clear();
+                parentNode.Nodes.Add("Loading...");
+                
+                await foreach (var table in _databaseService.GetTables(_sourceConnection!))
+                {
+                    if (_cancellationTokenSource.Token.IsCancellationRequested)
+                        return;
+
+                    var node = new TreeNode($"{table.Schema}.{table.Name}")
+                    {
+                        Tag = table,
+                        Checked = table.IsSelected
+                    };
+                    
+                    parentNode.Nodes.Add(node);
+                    await Task.Yield();
+                }
+            }
+            catch (Exception ex)
+            {
+                parentNode.Nodes.Clear();
+                parentNode.Nodes.Add($"Error: {ex.Message}");
+            }
+        }
+
+        private async Task LoadViewsAsync(TreeNode parentNode)
+        {
+            try
+            {
+                parentNode.Nodes.Clear();
+                parentNode.Nodes.Add("Loading...");
+                
+                await foreach (var view in _databaseService.GetViews(_sourceConnection!))
+                {
+                    if (_cancellationTokenSource.Token.IsCancellationRequested)
+                        return;
+
+                    var node = new TreeNode($"{view.Schema}.{view.Name}")
+                    {
+                        Tag = view,
+                        Checked = view.IsSelected
+                    };
+                    
+                    parentNode.Nodes.Add(node);
+                    await Task.Yield();
+                }
+            }
+            catch (Exception ex)
+            {
+                parentNode.Nodes.Clear();
+                parentNode.Nodes.Add($"Error: {ex.Message}");
+            }
+        }
+
+        private async Task LoadProceduresAsync(TreeNode parentNode)
+        {
+            try
+            {
+                parentNode.Nodes.Clear();
+                parentNode.Nodes.Add("Loading...");
+                
+                await foreach (var proc in _databaseService.GetProcedures(_sourceConnection!))
+                {
+                    if (_cancellationTokenSource.Token.IsCancellationRequested)
+                        return;
+
+                    var node = new TreeNode($"{proc.Schema}.{proc.Name}")
+                    {
+                        Tag = proc,
+                        Checked = proc.IsSelected
+                    };
+                    
+                    parentNode.Nodes.Add(node);
+                    await Task.Yield();
+                }
+            }
+            catch (Exception ex)
+            {
+                parentNode.Nodes.Clear();
+                parentNode.Nodes.Add($"Error: {ex.Message}");
+            }
+        }
+
+        protected override void OnFormClosing(FormClosingEventArgs e)
+        {
+            _cancellationTokenSource.Cancel();
+            base.OnFormClosing(e);
+        }
+
+        private void btnMigrate_Click(object sender, EventArgs e)
+        {
+            if (_targetConnection == null)
+            {
+                MessageBox.Show("대상 데이터베이스 연결 정보를 먼저 설정하세요.", "알림", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                return;
+            }
+
+            var selectedObjects = _databaseObjects.Where(o => o.IsSelected).ToList();
+            if (selectedObjects.Count == 0)
+            {
+                MessageBox.Show("마이그레이션할 객체를 선택하세요.", "알림", MessageBoxButtons.OK, MessageBoxIcon.Information);
+                return;
+            }
+
+            using (var form = new ProgressForm(selectedObjects, _sourceConnection, _targetConnection))
+            {
+                form.ShowDialog();
+            }
+        }
+    }
+}