add status string getter to status model

lib/src/models/printer_status.dart

@@ -34,6 +34,88 @@ class PrinterStatus {
         tray3: map['tray_3'] as int,
       );
 
+  List<String> get copyStatus {
+    var problems = <String>[];
+
+    if (copy != null) {
+      if (copy == 0) {
+        return problems;
+      }
+      if (((copy >> 0) & 1) == 1 || ((copy >> 4) & 1) == 1) {
+        problems.add('Sonstiger Fehler');
+      }
+      if (((copy >> 1) & 1) == 1) {
+        problems.add('Tonerstand niedrig');
+      }
+      if (((copy >> 2) & 1) == 1) {
+        problems.add('Gerät in Benutzung');
+      }
+      if (((copy >> 3) & 1) == 1) {
+        problems.add('Vorheizphase');
+      }
+      if (((copy >> 5) & 1) == 1) {
+        problems.add('Vorlageneinzug Deckel offen');
+      }
+      if (((copy >> 6) & 1) == 1) {
+        problems.add('Drucker Deckel offen');
+      }
+      if (((copy >> 7) & 1) == 1) {
+        problems.add('Papier alle');
+      }
+      if (((copy >> 8) & 1) == 1) {
+        problems.add('Papierstau Scanner');
+      }
+      if (((copy >> 9) & 1) == 1) {
+        problems.add('Papierstau Drucker');
+      }
+      if (((copy >> 10) & 1) == 1) {
+        problems.add('Toner alle');
+      }
+      if (((copy >> 11) & 1) == 1) {
+        problems.add('Service rufen');
+      }
+    }
+    return problems;
+  }
+
+  List<String> get scanStatus {
+    var problems = <String>[];
+
+    if (scan != null) {
+      if (scan == 0) {
+        return problems;
+      }
+      if (((scan >> 0) & 1) == 1) {
+        problems.add('Vorlagenglas belegt');
+      }
+      if (((scan >> 1) & 1) == 1) {
+        problems.add('Vorlageneinzug Deckel offen');
+      }
+      if (((scan >> 2) & 1) == 1) {
+        problems.add('Papierstau Vorlageneinzug');
+      }
+      if (((scan >> 3) & 1) == 1) {
+        problems.add('Vorlageneinzug Wartungsklappe offen');
+      }
+      if (((scan >> 4) & 1) == 1 || ((scan >> 9) & 1) == 1) {
+        problems.add('Sonstiger Fehler');
+      }
+      if (((scan >> 5) & 1) == 1) {
+        problems.add('User Maintenance');
+      }
+      if (((scan >> 6) & 1) == 1) {
+        problems.add('Service rufen');
+      }
+      if (((scan >> 7) & 1) == 1) {
+        problems.add('Scaneinheit ausgeschaltet');
+      }
+      if (((scan >> 8) & 1) == 1) {
+        problems.add('Gerät in Benutzung');
+      }
+    }
+    return problems;
+  }
+
   Map<String, dynamic> get toMap => <String, dynamic>{
         'scan': scan,
         'copy': copy,