Initial commit

lib/controllers/parcel_order_details_controller.dart

@@ -0,0 +1,75 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:get/get.dart';
+import 'package:intl/intl.dart';
+import '../constant/constant.dart';
+import '../models/parcel_category.dart';
+import '../models/parcel_order_model.dart';
+import '../utils/fire_store_utils.dart';
+
+class ParcelOrderDetailsController extends GetxController {
+  Rx<ParcelOrderModel> parcelOrder = ParcelOrderModel().obs;
+  RxList<ParcelCategory> parcelCategory = <ParcelCategory>[].obs;
+  RxBool isLoading = false.obs;
+
+  @override
+  void onInit() {
+    super.onInit();
+    final args = Get.arguments;
+    if (args != null && args is ParcelOrderModel) {
+      parcelOrder.value = args;
+    }
+    loadParcelCategories();
+    calculateTotalAmount();
+  }
+
+  RxDouble subTotal = 0.0.obs;
+  RxDouble discount = 0.0.obs;
+  RxDouble taxAmount = 0.0.obs;
+  RxDouble totalAmount = 0.0.obs;
+  RxDouble adminCommission = 0.0.obs;
+
+  void calculateTotalAmount() {
+    taxAmount = 0.0.obs;
+    discount = 0.0.obs;
+    subTotal.value = double.parse(parcelOrder.value.subTotal.toString());
+    discount.value = double.parse(parcelOrder.value.discount ?? '0.0');
+
+    for (var element in parcelOrder.value.taxSetting!) {
+      taxAmount.value = (taxAmount.value + Constant.calculateTax(amount: (subTotal.value - discount.value).toString(), taxModel: element));
+    }
+
+    if (parcelOrder.value.adminCommission!.isNotEmpty) {
+      adminCommission.value = Constant.calculateAdminCommission(
+          amount: (subTotal.value - discount.value).toString(),
+          adminCommissionType: parcelOrder.value.adminCommissionType.toString(),
+          adminCommission: parcelOrder.value.adminCommission ?? '0');
+    }
+
+
+    totalAmount.value = (subTotal.value - discount.value) + taxAmount.value;
+    update();
+  }
+
+  void loadParcelCategories() async {
+    isLoading.value = true;
+    final categories = await FireStoreUtils.getParcelServiceCategory();
+    parcelCategory.value = categories;
+    isLoading.value = false;
+  }
+
+  String formatDate(Timestamp timestamp) {
+    final dateTime = timestamp.toDate();
+    return DateFormat("dd MMM yyyy, hh:mm a").format(dateTime);
+  }
+
+  ParcelCategory? getSelectedCategory() {
+    try {
+      return parcelCategory.firstWhere(
+            (cat) => cat.title?.toLowerCase().trim() == parcelOrder.value.parcelType?.toLowerCase().trim(),
+        orElse: () => ParcelCategory(),
+      );
+    } catch (e) {
+      return null;
+    }
+  }
+}