finish create module form
This commit is contained in:
Rene Schwarz
@@ -0,0 +1,178 @@
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using Microsoft.Win32;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Net;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Threading.Tasks;
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using System.Windows.Input;
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using System.Windows.Media.Imaging;
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namespace Server_Dashboard {
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internal class CreateModuleViewModel : BaseViewModel, IWindowHelper {
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private readonly string username;
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private string serverName;
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public string ServerName {
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get { return serverName; }
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set {
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if (serverName != value)
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serverName = value;
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OnPropertyChanged(nameof(serverName));
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}
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}
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private string moduleName;
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public string ModuleName {
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get { return moduleName; }
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set {
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if (moduleName != value)
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moduleName = value;
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OnPropertyChanged(nameof(moduleName));
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}
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}
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private string ipAdress;
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public string IPAdress {
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get { return ipAdress; }
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set {
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if (ipAdress != value)
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ipAdress = value;
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OnPropertyChanged(nameof(ipAdress));
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}
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}
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private string port;
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public string Port {
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get { return port; }
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set {
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if (port != value)
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port = value;
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OnPropertyChanged(nameof(port));
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}
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}
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private BitmapImage moduleIcon;
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public BitmapImage ModuleIcon {
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get { return moduleIcon; }
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set {
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if (moduleIcon != value)
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moduleIcon = value;
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OnPropertyChanged(nameof(moduleIcon));
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}
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}
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private string userInformationMessage;
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public string UserInformationMessage {
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get { return userInformationMessage; }
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set {
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if (userInformationMessage != value)
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userInformationMessage = value;
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OnPropertyChanged(nameof(userInformationMessage));
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}
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}
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public CreateModuleViewModel(string username) {
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this.username = username;
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CreateModuleCommand = new RelayCommand(CreateModuleAsync);
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SelectIconCommand = new RelayCommand(SelectIcon);
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RemoveIconCommand = new RelayCommand(RemoveIcon);
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TestConnectionCommand = new RelayCommand(TestConnection);
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}
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public ICommand RemoveIconCommand { get; set; }
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public ICommand SelectIconCommand { get; set; }
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public ICommand CreateModuleCommand { get; set; }
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public ICommand TestConnectionCommand { get; set; }
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public Action Close { get; set; }
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//private readonly Regex moduleNameFilter = new Regex(@"^[A-Z][a-z][0-9]{0-20}$");
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//private readonly Regex serverNameFilter = new Regex(@"^[A-Z][a-z][0-9]{0-20}$");
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private readonly Regex ipFilter = new Regex(@"^(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])$");
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/// <summary>
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/// First checks if the IP address and the other credentials are valid
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/// than asynchronously sends the data to the database where the module will be saved
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/// this also triggers a reload of all modules to make sure the newly created module
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/// will be shown without an application restart
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/// </summary>
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/// <param name="param">Nothing</param>
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private async void CreateModuleAsync(object param) {
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//Checks if the IP field is not empty and valid
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if (!String.IsNullOrWhiteSpace(ipAdress) && ipFilter.IsMatch(ipAdress)) {
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//Gives the Module a default name if the user doesnt name it
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if (String.IsNullOrWhiteSpace(moduleName))
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moduleName = "Module";
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//Gives the Server a default name is the user doesnt name it
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if (String.IsNullOrWhiteSpace(serverName))
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serverName = "Server";
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//Makes sure the name isnt any longer than characters
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if (moduleName.Length >= 20) {
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UserInformationMessage = "The Module Name is too long";
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return;
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}
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//Makes sure the name isnt any longer than characters
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if (serverName.Length >= 20) {
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UserInformationMessage = "The Server Name is too long";
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return;
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}
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//Clears the error message if there isnt any error
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UserInformationMessage = "";
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byte[] moduleIconStream = null;
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if (moduleIcon != null) {
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try {
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JpegBitmapEncoder encoder = new JpegBitmapEncoder();
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encoder.Frames.Add(BitmapFrame.Create(moduleIcon));
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using MemoryStream ms = new MemoryStream();
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encoder.Save(ms);
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moduleIconStream = ms.ToArray();
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} catch { }
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}
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if (await Task.Run(() => DatabaseHandler.CreateNewModule(ipAdress, moduleName, serverName, username, moduleIconStream, port)) == 0) {
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Close?.Invoke();
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} else {
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UserInformationMessage = "Unknown error occured, please try again later";
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}
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} else {
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UserInformationMessage = "The IP Address is invalid";
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}
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}
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/// <summary>
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/// Opens a file dialog and lets the user select a .jpg, .jpeg or .png file as icon
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/// </summary>
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/// <param name="param"></param>
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private void SelectIcon(object param) {
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OpenFileDialog ofd = new OpenFileDialog {
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Title = "Choose an Image",
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Filter = "Supported format|*.jpg;*.jpeg;*.png"
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};
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if ((bool)ofd.ShowDialog()) {
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ModuleIcon = new BitmapImage(new Uri(ofd.FileName));
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}
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}
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/// <summary>
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/// Removes the selected ModuleIcon
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/// </summary>
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/// <param name="param"></param>
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private void RemoveIcon(object param) => ModuleIcon = null;
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/// <summary>
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/// Tests the socket connection
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/// </summary>
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/// <param name="param"></param>
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private void TestConnection(object param) {
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//TODO: Test connection to the socket server
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}
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}
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}
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