Feat/beca alimentacion

lib/config/routes/router.dart

@@ -2,14 +2,14 @@ import 'package:flutter/material.dart';
 import 'package:get/route_manager.dart';
 import 'package:mi_utem/config/routes/routes.dart';
 import 'package:mi_utem/controllers/asignaturas_controller.dart';
-import 'package:mi_utem/controllers/qr_passes_controller.dart';
 import 'package:mi_utem/controllers/user_controller.dart';
 import 'package:mi_utem/screens/asignatura/asignatura_detalle_screen.dart';
 import 'package:mi_utem/screens/asignatura/asignaturas_lista_screen.dart';
 import 'package:mi_utem/screens/calculadora_notas_screen.dart';
 import 'package:mi_utem/screens/credencial_screen.dart';
 import 'package:mi_utem/screens/horario/horario_screen.dart';
 import 'package:mi_utem/screens/login_screen/login_screen.dart';
+import 'package:mi_utem/screens/lunch_benefit/lunch_benefit_screen.dart';
 import 'package:mi_utem/screens/main/main_screen.dart';
 import 'package:mi_utem/screens/permiso_covid_screen.dart';
 import 'package:mi_utem/screens/splash_screen.dart';
@@ -24,7 +24,6 @@ final _loginPage = GetPage(
 
 final _homePage = GetPage(
   name: Routes.home,
-  bindings: [QrPassesBinding()],
   page: () => MainScreen(),
   middlewares: [OnlyAuthMiddleware()],
 );
@@ -76,6 +75,11 @@ final pages = <GetPage>[
     page: () => PermisoCovidScreen(),
     middlewares: [OnlyAuthMiddleware()],
   ),
+  GetPage(
+    name: Routes.lunchBenefit,
+    page: () => LunchBenefitScreen(),
+    middlewares: [OnlyAuthMiddleware()],
+  ),
 ];
 
 class OnlyAuthMiddleware extends GetMiddleware {

lib/config/routes/routes.dart

@@ -10,6 +10,7 @@ class Routes {
   static const calculadoraNotas = '/calculadora-notas';
   static const imageView = '/image-view';
   static const asignatura = '/asignatura';
+  static const lunchBenefit = '/lunch-benefit';
 
   static const passBase = '/pass';
   static const passParameter = 'passId';

lib/controllers/carreras_controller.dart

@@ -26,6 +26,7 @@ class CarrerasController extends GetxController with StateMixin<List<Carrera>> {
     final carreras = await CarreraService.getCarreras(forceRefresh: true);
 
     change(carreras, status: RxStatus.success());
+    updateUserCarrerasRoles();
     _autoSelectCarreraActiva(carreras);
   }
 
@@ -45,10 +46,14 @@ class CarrerasController extends GetxController with StateMixin<List<Carrera>> {
 
     AnalyticsService.setCarreraToUser(activa);
 
-    changeSelectedCarrera(activa);
+    changeUserSelectedCarrera(activa);
   }
 
-  void changeSelectedCarrera(Carrera carrera) {
+  void updateUserCarrerasRoles() {
+    UserController.to.updateCarrerasRoles(state);
+  }
+
+  void changeUserSelectedCarrera(Carrera carrera) {
     UserController.to.selectCarrera(carrera);
   }
 }

lib/controllers/lunch_coupons_controller.dart

@@ -0,0 +1,134 @@
+import 'dart:developer';
+
+import 'package:dio/dio.dart';
+import 'package:get/get.dart';
+import 'package:mi_utem/controllers/user_controller.dart';
+import 'package:mi_utem/models/lunch_coupon.dart';
+import 'package:mi_utem/models/usuario.dart';
+import 'package:mi_utem/services/lunch_coupons_service.dart';
+
+class LunchBenefit {
+  final List<LunchCoupon> coupons;
+  final bool hasBenefit;
+
+  LunchCoupon? get todayCoupon {
+    return coupons.firstWhereOrNull(
+      (element) => element.isForToday,
+    );
+  }
+
+  List<LunchCoupon> get otherAvailableOrderedCoupons {
+    final now = DateTime.now();
+    final otherCoupons =
+        coupons.where((element) => element.validFor.isAfter(now)).toList();
+
+    otherCoupons.sort((a, b) => a.validFor.compareTo(b.validFor));
+    return otherCoupons;
+  }
+
+  LunchBenefit({
+    this.coupons = const [],
+    required this.hasBenefit,
+  });
+}
+
+class LunchBenefitController extends GetxController
+    with StateMixin<LunchBenefit> {
+  static LunchBenefitController get to => Get.find();
+
+  @override
+  void onInit() {
+    ever<Usuario?>(
+      Get.find<UserController>().user,
+      (carrera) => getBenefit(),
+    );
+
+    getBenefit();
+    super.onInit();
+  }
+
+  void getBenefit() async {
+    log("LunchBenefitController getBenefit");
+
+    change(null, status: RxStatus.loading());
+
+    log("LunchBenefitController getBenefit 2");
+
+    try {
+      final coupons = await LunchCouponsService.getAll();
+      log("LunchBenefitController coupons ${coupons.length}");
+
+      final lunchBenefit = LunchBenefit(
+        coupons: coupons,
+        hasBenefit: true,
+      );
+
+      change(
+        lunchBenefit,
+        status: RxStatus.success(),
+      );
+    } on DioError catch (e) {
+      log("LunchBenefitController catch DioError ${e.toString()}");
+      final response = e.response;
+      if (response != null && response.statusCode == 404) {
+        final lunchBenefit = LunchBenefit(
+          coupons: [],
+          hasBenefit: false,
+        );
+
+        change(
+          lunchBenefit,
+          status: RxStatus.success(),
+        );
+      }
+    } catch (e) {
+      log("LunchBenefitController catch ${e.toString()}");
+      change(
+        null,
+        status: RxStatus.error(e.toString()),
+      );
+    } finally {
+      _setRoleToUser();
+    }
+  }
+
+  Future<void> generateTodayCoupon() async {
+    try {
+      final coupons = await LunchCouponsService.generate();
+
+      final lunchBenefit = LunchBenefit(
+        coupons: coupons,
+        hasBenefit: true,
+      );
+
+      change(
+        lunchBenefit,
+        status: RxStatus.success(),
+      );
+    } on DioError catch (e) {
+      final response = e.response;
+      if (response != null && response.statusCode == 404) {
+        final lunchBenefit = LunchBenefit(
+          coupons: [],
+          hasBenefit: false,
+        );
+
+        change(
+          lunchBenefit,
+          status: RxStatus.success(),
+        );
+      }
+    } catch (e) {
+      change(
+        null,
+        status: RxStatus.error(e.toString()),
+      );
+    } finally {
+      _setRoleToUser();
+    }
+  }
+
+  void _setRoleToUser() {
+    UserController.to.updateLunchBenefitRole(state);
+  }
+}

lib/controllers/qr_passes_controller.dart

@@ -31,10 +31,3 @@ class QrPassesController extends GetxController {
     }
   }
 }
-
-class QrPassesBinding extends Bindings {
-  @override
-  void dependencies() {
-    Get.put(QrPassesController());
-  }
-}

lib/controllers/user_controller.dart

@@ -1,9 +1,11 @@
+import 'dart:async';
 import 'dart:convert';
+import 'dart:developer';
 
 import 'package:flutter_secure_storage/flutter_secure_storage.dart';
 import 'package:get/get.dart';
 import 'package:get_storage/get_storage.dart';
-import 'package:mi_utem/controllers/carreras_controller.dart';
+import 'package:mi_utem/controllers/lunch_coupons_controller.dart';
 import 'package:mi_utem/models/carrera.dart';
 import 'package:mi_utem/models/usuario.dart';
 import 'package:mi_utem/services/analytics_service.dart';
@@ -23,23 +25,9 @@ class UserController extends GetxController {
 
   final user = Rxn<Usuario>(null);
   final selectedCarrera = Rxn<Carrera>();
+  final roles = RxList<Role>([]);
 
-  List<Role> get roles {
-    final roles = <Role>[];
-
-    if (user.value != null) {
-      final carreras = CarrerasController.to.state;
-      if (carreras != null && carreras.length > 0) {
-        roles.add(Role.hasCareers);
-        final hasActive = carreras.firstWhereOrNull((c) => c.isActive) != null;
-
-        if (hasActive) {
-          roles.add(Role.hasActiveCareer);
-        }
-      }
-    }
-    return roles;
-  }
+  FutureOr<String?>? _tokenRefresher;
 
   @override
   void onInit() {
@@ -98,14 +86,34 @@ class UserController extends GetxController {
   }
 
   Future<String> refreshToken() async {
+    log("refreshToken");
+
+    if (_tokenRefresher != null) {
+      log("refreshToken _tokenRefresher != null $_tokenRefresher");
+      final token = await (_tokenRefresher as FutureOr<String>);
+
+      log("refreshToken _tokenRefresher != null token $token");
+
+      return token;
+    }
+
+    log("refreshToken _tokenRefresher == null");
+
     try {
       final email = user.value?.correoUtem;
       final password = await _secureStorage.read(key: _storagePasswordKey);
 
+      log("refreshToken _tokenRefresher == null email $email password $password");
+
       if (email != null && password != null) {
-        final token = await AuthService.refreshToken(email, password);
+        _tokenRefresher = AuthService.refreshToken(email, password);
+        final token = await (_tokenRefresher as FutureOr<String>);
         _storeToken(token);
 
+        _tokenRefresher = null;
+
+        log("refreshToken _tokenRefresher == null token $token");
+
         return token;
       }
       throw Exception("No se pudo refrescar el token");
@@ -151,4 +159,28 @@ class UserController extends GetxController {
   void selectCarrera(Carrera carrera) {
     selectedCarrera.value = carrera;
   }
+
+  void updateCarrerasRoles(List<Carrera>? carreras) {
+    final user = this.user.value;
+
+    final roles = <Role>[];
+
+    if (user != null) {
+      if (carreras != null && carreras.length > 0) {
+        roles.add(Role.hasCareers);
+        final hasActive = carreras.firstWhereOrNull((c) => c.isActive) != null;
+
+        if (hasActive) {
+          roles.add(Role.hasActiveCareer);
+        }
+      }
+    }
+    this.roles.value = roles;
+  }
+
+  void updateLunchBenefitRole(LunchBenefit? lunchBenefit) {
+    if (lunchBenefit?.hasBenefit == true) {
+      roles.add(Role.hasLunchBenefit);
+    }
+  }
 }

lib/helpers/image.dart

@@ -0,0 +1,39 @@
+import 'package:barcode_image/barcode_image.dart';
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+import 'package:get/get.dart';
+import 'package:image/image.dart' as dartImage;
+import 'package:mi_utem/config/routes/routes.dart';
+import 'package:mi_utem/widgets/image_view_screen.dart';
+
+void openBarcodeView(
+  String code, {
+  required Size size,
+  EdgeInsets padding = const EdgeInsets.all(25),
+  String? heroTag,
+  Barcode? type,
+}) {
+  final image = dartImage.Image(size.width.toInt(), size.height.toInt());
+
+  dartImage.fill(image, dartImage.getColor(255, 255, 255));
+  drawBarcode(
+    image,
+    type ?? Barcode.qrCode(),
+    code,
+    x: padding.left.toInt(),
+    y: padding.top.toInt(),
+    width: (size.width - padding.horizontal).toInt(),
+    height: (size.height - padding.vertical).toInt(),
+  );
+
+  Uint8List data = Uint8List.fromList(dartImage.encodePng(image));
+
+  Get.to(
+    () => ImageViewScreen(
+      imageProvider: MemoryImage(data),
+      heroTag: heroTag,
+      occlude: true,
+    ),
+    routeName: Routes.imageView,
+  );
+}

lib/main.dart

@@ -11,9 +11,10 @@ import 'package:get_storage/get_storage.dart';
 import 'package:mi_utem/config/constants.dart';
 import 'package:mi_utem/config/routes/router.dart';
 import 'package:mi_utem/config/routes/routes.dart';
-import 'package:mi_utem/controllers/asignatura_controller.dart';
 import 'package:mi_utem/controllers/calculator_controller.dart';
 import 'package:mi_utem/controllers/carreras_controller.dart';
+import 'package:mi_utem/controllers/lunch_coupons_controller.dart';
+import 'package:mi_utem/controllers/qr_passes_controller.dart';
 import 'package:mi_utem/controllers/user_controller.dart';
 import 'package:mi_utem/services/background_service.dart';
 import 'package:mi_utem/services/notification_service.dart';
@@ -64,6 +65,8 @@ class MiUtem extends StatelessWidget {
       initialBinding: BindingsBuilder(() {
         Get.put(UserController(), permanent: true);
         Get.put(CarrerasController(), permanent: true);
+        Get.put(LunchBenefitController(), permanent: true);
+        Get.put(QrPassesController(), permanent: true);
         Get.put(CalculatorController(), permanent: true);
       }),
       theme: MainTheme.theme,