prescription instructions PDF implemented

lib/core/api_consts.dart

@@ -724,6 +724,8 @@ const DEACTIVATE_ACCOUNT = 'Services/Patients.svc/REST/PatientAppleActivation_In
 
 const FAMILY_FILES= 'Services/Authentication.svc/REST/GetAllSharedRecordsByStatus';
 
+var GET_PRESCRIPTION_INSTRUCTIONS_PDF = 'Services/ChatBot_Service.svc/REST/Chatbot_SendMedicationInstructionByWhatsApp';
+
 class ApiConsts {
   static const maxSmallScreen = 660;
 

lib/features/prescriptions/prescriptions_repo.dart

@@ -11,6 +11,8 @@ abstract class PrescriptionsRepo {
   Future<Either<Failure, GenericApiModel<List<PatientPrescriptionsResponseModel>>>> getPatientPrescriptionOrders({required String patientId});
 
   Future<Either<Failure, GenericApiModel<List<PrescriptionDetailResponseModel>>>> getPatientPrescriptionDetails({required PatientPrescriptionsResponseModel prescriptionsResponseModel});
+
+  Future<Either<Failure, GenericApiModel<dynamic>>> getPrescriptionInstructionsPDF({required PatientPrescriptionsResponseModel prescriptionsResponseModel});
 }
 
 class PrescriptionsRepoImp implements PrescriptionsRepo {
@@ -107,4 +109,48 @@ class PrescriptionsRepoImp implements PrescriptionsRepo {
       return Left(UnknownFailure(e.toString()));
     }
   }
+
+  @override
+  Future<Either<Failure, GenericApiModel>> getPrescriptionInstructionsPDF({required PatientPrescriptionsResponseModel prescriptionsResponseModel}) async {
+    Map<String, dynamic> mapDevice = {
+      "AppointmentNo": prescriptionsResponseModel.appointmentNo.toString(),
+      "SetupID": prescriptionsResponseModel.setupID,
+      "ClinicID": prescriptionsResponseModel.clinicID.toString(),
+      "ProjectID": prescriptionsResponseModel.projectID.toString(),
+      "LocationID": "0",
+      "SalesInvoiceNo": "0",
+      "IsTest": false,
+      "ChannelID": "3",
+    };
+
+    try {
+      GenericApiModel<dynamic>? apiResponse;
+      Failure? failure;
+      await apiClient.post(
+        GET_PRESCRIPTION_INSTRUCTIONS_PDF,
+        body: mapDevice,
+        onFailure: (error, statusCode, {messageStatus, failureType}) {
+          failure = failureType;
+        },
+        onSuccess: (response, statusCode, {messageStatus, errorMessage}) {
+          try {
+            final prescriptionPDFURL = response["InvoiceUrl"];
+            apiResponse = GenericApiModel<dynamic>(
+              messageStatus: messageStatus,
+              statusCode: statusCode,
+              errorMessage: null,
+              data: prescriptionPDFURL,
+            );
+          } catch (e) {
+            failure = DataParsingFailure(e.toString());
+          }
+        },
+      );
+      if (failure != null) return Left(failure!);
+      if (apiResponse == null) return Left(ServerFailure("Unknown error"));
+      return Right(apiResponse!);
+    } catch (e) {
+      return Left(UnknownFailure(e.toString()));
+    }
+  }
 }

lib/features/prescriptions/prescriptions_view_model.dart

@@ -23,6 +23,8 @@ class PrescriptionsViewModel extends ChangeNotifier {
 
   bool isSortByClinic = true;
 
+  String prescriptionInstructionsPDFLink = "";
+
   PrescriptionsViewModel({required this.prescriptionsRepo, required this.errorHandlerService});
 
   initPrescriptionsViewModel() {
@@ -126,4 +128,26 @@ class PrescriptionsViewModel extends ChangeNotifier {
       },
     );
   }
+
+  Future<void> getPrescriptionInstructionsPDF(PatientPrescriptionsResponseModel prescriptionsResponseModel, {Function(dynamic)? onSuccess, Function(String)? onError}) async {
+    final result = await prescriptionsRepo.getPrescriptionInstructionsPDF(prescriptionsResponseModel: prescriptionsResponseModel);
+
+    result.fold(
+      (failure) async {
+        onError!(failure.message);
+      },
+      (apiResponse) {
+        if (apiResponse.messageStatus == 2) {
+          onError!(apiResponse.errorMessage!);
+          // dialogService.showErrorDialog(message: apiResponse.errorMessage!, onOkPressed: () {});
+        } else if (apiResponse.messageStatus == 1) {
+          prescriptionInstructionsPDFLink = apiResponse.data;
+          notifyListeners();
+          if (onSuccess != null) {
+            onSuccess(apiResponse);
+          }
+        }
+      },
+    );
+  }
 }

lib/presentation/prescriptions/prescription_detail_page.dart

@@ -20,8 +20,10 @@ import 'package:hmg_patient_app_new/theme/colors.dart';
 import 'package:hmg_patient_app_new/widgets/buttons/custom_button.dart';
 import 'package:hmg_patient_app_new/widgets/chip/app_custom_chip_widget.dart';
 import 'package:hmg_patient_app_new/widgets/common_bottom_sheet.dart';
+import 'package:hmg_patient_app_new/widgets/loader/bottomsheet_loader.dart';
 import 'package:hmg_patient_app_new/widgets/shimmer/movies_shimmer_widget.dart';
 import 'package:provider/provider.dart';
+import 'package:url_launcher/url_launcher.dart';
 
 class PrescriptionDetailPage extends StatefulWidget {
   PrescriptionDetailPage({super.key, required this.prescriptionsResponseModel});
@@ -59,7 +61,33 @@ class _PrescriptionDetailPageState extends State<PrescriptionDetailPage> {
           Expanded(
             child: CollapsingListView(
               title: LocaleKeys.prescriptions.tr(context: context),
-              instructions: () {},
+              instructions: () async {
+                LoaderBottomSheet.showLoader(loadingText: "Fetching prescription PDF, Please wait...".needTranslation);
+                await prescriptionsViewModel.getPrescriptionInstructionsPDF(widget.prescriptionsResponseModel, onSuccess: (val) {
+                  LoaderBottomSheet.hideLoader();
+                  if (prescriptionsViewModel.prescriptionInstructionsPDFLink.isNotEmpty) {
+                    Uri uri = Uri.parse(prescriptionsViewModel.prescriptionInstructionsPDFLink);
+                    launchUrl(uri, mode: LaunchMode.platformDefault, webOnlyWindowName: "");
+                  } else {
+                    showCommonBottomSheetWithoutHeight(
+                      context,
+                      child: Utils.getErrorWidget(loadingText: "Unable to fetch PDF".needTranslation),
+                      callBackFunc: () {},
+                      isFullScreen: false,
+                      isCloseButtonVisible: true,
+                    );
+                  }
+                }, onError: (err) {
+                  LoaderBottomSheet.hideLoader();
+                  showCommonBottomSheetWithoutHeight(
+                    context,
+                    child: Utils.getErrorWidget(loadingText: err),
+                    callBackFunc: () {},
+                    isFullScreen: false,
+                    isCloseButtonVisible: true,
+                  );
+                });
+              },
               child: SingleChildScrollView(
                 child: Consumer<PrescriptionsViewModel>(builder: (context, prescriptionVM, child) {
                   return Column(