Show hoseline

lib/models/hose_item.dart

@@ -0,0 +1,46 @@
+class HoseItem {
+  final int talkgroupId;
+  final String talkgroupName;
+  final String sourceCall;
+  final String? sourceName;
+  final int slot;
+  final DateTime lastActivity;
+  final bool isActive;
+
+  HoseItem({
+    required this.talkgroupId,
+    required this.talkgroupName,
+    required this.sourceCall,
+    this.sourceName,
+    required this.slot,
+    required this.lastActivity,
+    required this.isActive,
+  });
+
+  String get displayName {
+    if (sourceName != null && sourceName!.isNotEmpty) {
+      return '$sourceCall ($sourceName)';
+    }
+    return sourceCall;
+  }
+
+  HoseItem copyWith({
+    int? talkgroupId,
+    String? talkgroupName,
+    String? sourceCall,
+    String? sourceName,
+    int? slot,
+    DateTime? lastActivity,
+    bool? isActive,
+  }) {
+    return HoseItem(
+      talkgroupId: talkgroupId ?? this.talkgroupId,
+      talkgroupName: talkgroupName ?? this.talkgroupName,
+      sourceCall: sourceCall ?? this.sourceCall,
+      sourceName: sourceName ?? this.sourceName,
+      slot: slot ?? this.slot,
+      lastActivity: lastActivity ?? this.lastActivity,
+      isActive: isActive ?? this.isActive,
+    );
+  }
+}