mod input and routes

lib/models/input_model.dart

@@ -0,0 +1,38 @@
+class InputModel {
+  String szDocumentId;
+  String szUserId;
+  String szDate;
+  int nOdometer;
+  double mnLiters;
+  double mnPricePerLiter;
+  String szLocation;
+  double? mnTotalPrice;
+  InputModel({required this.szDocumentId, required this.szUserId, required this.szDate, required this.nOdometer, required this.mnLiters, required this.mnPricePerLiter, required this.szLocation, this.mnTotalPrice});
+
+  factory InputModel.fromJson(Map<String, dynamic> json) {
+    return InputModel(
+      szDocumentId: json['szDocumentId'] as String,
+      szUserId: json['szUserId'] as String,
+      szDate: json['szDate'] as String,
+      nOdometer: json['nOdometer'] as int,
+      mnLiters: json['mnLiters'] as double,
+      mnPricePerLiter: json['mnPricePerLiter'] as double,
+      szLocation: json['szLocation'] as String,
+      mnTotalPrice: (json['mnLiters'] as double) * (json['mnPricePerLiter'] as double),
+    );
+  }
+
+  Map<String, dynamic> toJson() {
+    return {
+      'szDocumentId': szDocumentId,
+      'szUserId': szUserId,
+      'szDate': szDate,
+      'nOdometer': nOdometer,
+      'mnLiters': mnLiters,
+      'mnPricePerLiter': mnPricePerLiter,
+      'szLocation': szLocation,
+    };
+  }
+}
+
+