Initial Commit

ViewModel/Dialogs/DatabaseSelectorDialogViewModel.cs

@@ -0,0 +1,124 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Windows;
+using DebtMgr.Model;
+using GalaSoft.MvvmLight;
+using GalaSoft.MvvmLight.Command;
+using Microsoft.Win32;
+using SQLite.Net;
+using SQLite.Net.Platform.Generic;
+
+namespace DebtMgr.ViewModel.Dialogs
+{
+    public class DatabaseSelectorDialogViewModel : ViewModelBase
+    {
+        public event EventHandler RequestClose;
+
+        #region SelectDatabasePathText (string) Property
+
+        /// <summary>
+        /// Privater Teil von <see cref="SelectDatabasePathText" />
+        /// </summary>
+        private string _selectDatabasePathText;
+
+        /// <summary>
+        /// Comment
+        ///</summary>
+        public string SelectDatabasePathText
+        {
+            get { return _selectDatabasePathText; }
+
+            set
+            {
+                _selectDatabasePathText = value;
+                RaisePropertyChanged(() => SelectDatabasePathText);
+            }
+        }
+
+        #endregion
+
+        #region SelectDatabaseButtonClick Command
+
+        /// <summary>
+        /// Private member backing variable for <see cref="SelectDatabaseButtonClick" />
+        /// </summary>
+        private RelayCommand _selectDatabaseButtonClick = null;
+
+        /// <summary>
+        /// Comment
+        /// </summary>
+        public RelayCommand SelectDatabaseButtonClick => _selectDatabaseButtonClick ?? (_selectDatabaseButtonClick = new RelayCommand(SelectDatabaseButtonClick_Execute));
+
+        private void SelectDatabaseButtonClick_Execute()
+        {
+            var openFileDialog = new OpenFileDialog();
+            openFileDialog.CheckFileExists = true;
+            openFileDialog.Filter = "Debt Manager Database|*.dmdb|All files|*.*";
+
+            //Application.Current.Shutdown();
+
+            if (openFileDialog.ShowDialog() == true)
+            {
+                var x = new SQLiteConnection(new SQLitePlatformGeneric(), openFileDialog.FileName);
+
+                try
+                {
+                    x.Table<Person>().ToList();
+
+                    Properties.Settings.Default["Database"] = openFileDialog.FileName;
+                    Properties.Settings.Default.Save();
+
+                    RequestClose?.Invoke(null, null);
+                }
+                catch (Exception)
+                {
+                    MessageBox.Show(
+                        string.Format("File is not a Debt Manager database\n\n{0}", openFileDialog.FileName),
+                        "File invalid",
+                        MessageBoxButton.OK,
+                        MessageBoxImage.Error);
+                }
+                finally
+                {
+                    x.Close();
+                }
+            }
+
+        }
+
+        #endregion
+        #region CreateDatabaseButtonClick Command
+
+        /// <summary>
+        /// Private member backing variable for <see cref="CreateDatabaseButtonClick" />
+        /// </summary>
+        private RelayCommand _createDatabaseButtonClick = null;
+
+        /// <summary>
+        /// Comment
+        /// </summary>
+        public RelayCommand CreateDatabaseButtonClick => _createDatabaseButtonClick ?? (_createDatabaseButtonClick = new RelayCommand(CreateDatabaseButtonClick_Execute));
+
+        private void CreateDatabaseButtonClick_Execute()
+        {
+            var saveFileDialog = new SaveFileDialog();
+            saveFileDialog.Filter = "Debt Manager Database|*.dmdb|Standard database|*.db";
+            saveFileDialog.CreatePrompt = true;
+
+            if (saveFileDialog.ShowDialog() == true)
+            {
+                Properties.Settings.Default["Database"] = saveFileDialog.FileName;
+                Properties.Settings.Default.Save();
+
+                RequestClose?.Invoke(null, null);
+            }
+        }
+
+        #endregion
+
+        
+    }
+}