Implemented side tree to devices and rountines screen

lib/pages/routines/models/device_functions.dart

@@ -0,0 +1,84 @@
+abstract class DeviceFunction<T> {
+  final String deviceId;
+  final String deviceName;
+  final String code;
+  final String operationName;
+  final String icon;
+
+  DeviceFunction({
+    required this.deviceId,
+    required this.deviceName,
+    required this.code,
+    required this.operationName,
+    required this.icon,
+  });
+}
+
+class DeviceFunctionData {
+  final String entityId;
+  final String actionExecutor;
+  final String functionCode;
+  final String operationName;
+  final dynamic value;
+  final String? condition;
+  final String? valueDescription;
+
+  DeviceFunctionData({
+    required this.entityId,
+    this.actionExecutor = 'device_issue',
+    required this.functionCode,
+    required this.operationName,
+    required this.value,
+    this.condition,
+    this.valueDescription,
+  });
+
+  Map<String, dynamic> toJson() {
+    return {
+      'entityId': entityId,
+      'actionExecutor': actionExecutor,
+      'function': functionCode,
+      'operationName': operationName,
+      'value': value,
+      if (condition != null) 'condition': condition,
+      if (valueDescription != null) 'valueDescription': valueDescription,
+    };
+  }
+
+  factory DeviceFunctionData.fromJson(Map<String, dynamic> json) {
+    return DeviceFunctionData(
+      entityId: json['entityId'],
+      actionExecutor: json['actionExecutor'] ?? 'function',
+      functionCode: json['function'],
+      operationName: json['operationName'],
+      value: json['value'],
+      condition: json['condition'],
+      valueDescription: json['valueDescription'],
+    );
+  }
+
+  @override
+  bool operator ==(Object other) {
+    if (identical(this, other)) return true;
+
+    return other is DeviceFunctionData &&
+        other.entityId == entityId &&
+        other.actionExecutor == actionExecutor &&
+        other.functionCode == functionCode &&
+        other.operationName == operationName &&
+        other.value == value &&
+        other.condition == condition &&
+        other.valueDescription == valueDescription;
+  }
+
+  @override
+  int get hashCode {
+    return entityId.hashCode ^
+        actionExecutor.hashCode ^
+        functionCode.hashCode ^
+        operationName.hashCode ^
+        value.hashCode ^
+        condition.hashCode ^
+        valueDescription.hashCode;
+  }
+}