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App: Add SerialPortWatcher
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This commit is contained in:
Lorenz Stechauner
2025-11-09 23:46:19 +01:00
parent 01f4480a08
commit 2dbc8f3d0d
4 changed files with 121 additions and 6 deletions
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59
Elwig/App.xaml.cs
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@@ -26,6 +26,7 @@ namespace Elwig {
public static bool ForceShutdown { get; private set; } = false;
private readonly DispatcherTimer _autoUpdateTimer = new() { Interval = TimeSpan.FromHours(1) };
public readonly SerialPortWatcher SerialPortWatcher = new();
public static readonly string DataPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData), "Elwig");
public static readonly string MailsPath = Path.Combine(DataPath, "mails");
@@ -48,9 +49,10 @@ namespace Elwig {
public static string? BranchPhoneNr { get; private set; }
public static string? BranchFaxNr { get; private set; }
public static string? BranchMobileNr { get; private set; }
public static IList<IScale> Scales { get; private set; }
public static IList<ICommandScale> CommandScales => Scales.Where(s => s is ICommandScale).Cast<ICommandScale>().ToList();
public static IList<IEventScale> EventScales => Scales.Where(s => s is IEventScale).Cast<IEventScale>().ToList();
public static IList<IScale> Scales { get; private set; } = [];
public static IList<ICommandScale> CommandScales => [.. Scales.Where(s => s is ICommandScale).Cast<ICommandScale>()];
public static IList<IEventScale> EventScales => [.. Scales.Where(s => s is IEventScale).Cast<IEventScale>()];
public static ClientParameters Client { get; set; }
public static Dispatcher MainDispatcher { get; private set; }
@@ -137,6 +139,9 @@ namespace Elwig {
_autoUpdateTimer.Start();
}
SerialPortWatcher.SerialPortConnected += OnSerialPortConnected;
SerialPortWatcher.SerialPortDisconnected += OnSerialPortDisconnected;
var list = new List<IScale>();
foreach (var s in Config.Scales) {
try {
@@ -144,7 +149,7 @@ namespace Elwig {
} catch (Exception e) {
list.Add(new InvalidScale(s.Id));
if (s.Required)
MessageBox.Show($"Unable to create scale {s.Id}:\n\n{e.Message}", "Scale Error",
MessageBox.Show($"Verbindung zu Waage {s.Id} konnte nicht hergestellt werden:\n\n{e.Message}", "Waagen-Fehler",
MessageBoxButton.OK, MessageBoxImage.Error);
}
}
@@ -152,7 +157,7 @@ namespace Elwig {
if (Config.Branch != null) {
if (!branches.ContainsKey(Config.Branch.ToLower())) {
MessageBox.Show("Invalid branch name in config!", "Invalid Branch Config", MessageBoxButton.OK, MessageBoxImage.Error);
MessageBox.Show("Ungültige Zweigstelle in Konfigurationsdatei!", "Ungültige Zweigstelle", MessageBoxButton.OK, MessageBoxImage.Error);
Shutdown();
} else {
SetBranch(branches[Config.Branch.ToLower()]);
@@ -160,7 +165,7 @@ namespace Elwig {
} else if (branches.Count == 1) {
SetBranch(branches.First().Value);
} else {
MessageBox.Show("Unable to determine local branch!", "Invalid Branch Config", MessageBoxButton.OK, MessageBoxImage.Error);
MessageBox.Show("Erkennen der lokalen Zweigstelle nicht möglich!", "Ungültige Zweigstelle", MessageBoxButton.OK, MessageBoxImage.Error);
Shutdown();
}
@@ -181,6 +186,7 @@ namespace Elwig {
}
private async void Application_Exit(object sender, ExitEventArgs evt) {
SerialPortWatcher.Dispose();
foreach (var s in EventScales) {
s.Dispose();
}
@@ -240,6 +246,47 @@ namespace Elwig {
}
}
private void OnSerialPortConnected(object? sender, string name) {
for (var i = 0; i < Config.Scales.Count; i++) {
var s = Config.Scales[i];
if ((s.Connection?.StartsWith($"serial://{name}:") ?? false) && Scales[i] is InvalidScale) {
try {
Scales[i] = Scale.FromConfig(s);
MessageBox.Show($"Verbindung zu Waage {s.Id} wieder hergestellt!", $"Waage {s.Id}", MessageBoxButton.OK, MessageBoxImage.Information);
} catch (Exception e) {
Scales[i] = new InvalidScale(s.Id);
MessageBox.Show($"Verbindung zu Waage {s.Id} konnte nicht hergestellt werden:\n\n{e.Message}", "Waagen-Fehler",
MessageBoxButton.OK, MessageBoxImage.Error);
}
}
}
UpdateScales();
}
private void OnSerialPortDisconnected(object? sender, string name) {
for (var i = 0; i < Config.Scales.Count; i++) {
var s = Config.Scales[i];
if ((s.Connection?.StartsWith($"serial://{name}:") ?? false) && Scales[i] is not InvalidScale) {
MessageBox.Show($"Verbindung zu Waage {s.Id} unterbrochen!", $"Waagen {s.Id}", MessageBoxButton.OK, MessageBoxImage.Warning);
try {
Scales[i].Dispose();
} catch {
// ignore
}
Scales[i] = new InvalidScale(s.Id);
}
}
UpdateScales();
}
public static void UpdateScales() {
foreach (Window w in CurrentApp.Windows) {
if (w is DeliveryAdminWindow t && t.ViewModel.IsReceipt) {
t.UpdateScales();
}
}
}
public static async Task CheckForUpdates(bool showAlert = false) {
if (Config.UpdateUrl == null) return;
var latest = await Utils.GetLatestInstallerUrl(Config.UpdateUrl);