1.0.100

lib/components/exchange_dialog.dart

@@ -0,0 +1,43 @@
+import "package:flutter/material.dart";
+import "package:flutter_gen/gen_l10n/app_localizations.dart";
+import "package:food_busters/styles/styles.dart";
+
+AlertDialog exchangeSuccess(AppLocalizations text, BuildContext context) =>
+    AlertDialog(
+      title: Text(text.exchange.toUpperCase(), textAlign: TextAlign.center),
+      backgroundColor: lightGreen,
+      content: Text(text.exchange_complete),
+      actions: [
+        TextButton(
+          child: Text(
+            text.window_close,
+            style: const TextStyle(
+              color: Colors.black,
+            ),
+          ),
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+        ),
+      ],
+    );
+
+AlertDialog exchangeFailed(AppLocalizations text, BuildContext context) =>
+    AlertDialog(
+      title: Text(text.exchange.toUpperCase(), textAlign: TextAlign.center),
+      backgroundColor: rose,
+      content: Text(text.exchange_failed),
+      actions: [
+        TextButton(
+          child: Text(
+            text.window_close,
+            style: const TextStyle(
+              color: Colors.black,
+            ),
+          ),
+          onPressed: () {
+            Navigator.of(context).pop();
+          },
+        ),
+      ],
+    );

lib/l10n/app_en.arb

@@ -29,11 +29,16 @@
     "after": "AFTER",
     "scan_your_food": "Scan your Food",
     "scan_result": "Scan Result",
+    "scan_before_title": "PERFECT!",
+    "scan_before_content": "Let's enjoy and don't forget to come back again after you finish eating.",
+    "back_to_home": "Back to Home Screen",
     "you_have_eaten": "You have eaten",
     "sp_only": " only",
     "of_the_dish": "of the dish",
     "oh_no": "Oh no!",
     "wow": "Wow!",
+    "save_money_1": "WOULD BE SAVED",
+    "save_money_2": "If you have eaten all.",
     "learn_more": "Learn more",
     "pollution_produced": "Pollution produced is {pollution} grams of CO2!",
     "points": "pts",
@@ -51,6 +56,7 @@
     "no_data_found": "Sorry, no data found",
     "exchange": "Exchange",
     "exchange_complete": "Completed! Time to enjoy.",
+    "exchange_failed": "Exchange Failed, Please verify you have enough points",
     "n_days_pass": "{n} days pass",
     "press_to_exchange": "Press to Exchange",
     "points_shop": "Points Shop",

lib/l10n/app_th.arb

@@ -27,13 +27,18 @@
     "logout": "ล็อกเอาท์",
     "before": "ก่อนทาน",
     "after": "หลังทาน",
+    "scan_before_title": "สุดยอด!",
+    "scan_before_content": "ได้เวลาอร่อย! และอย่าลืมกลับมาอีกครั้งหลังทานเสร็จแล้ว",
+    "back_to_home": "กลับไปยังหน้าจอหลัก",
     "scan_your_food": "สแกนอาหารของคุณ",
     "scan_result": "ผลลัพธ์การสแกน",
     "you_have_eaten": "คุณได้กินไป",
     "sp_only": "เพียงแค่",
     "of_the_dish": "ของทั้งจาน",
     "oh_no": "ไม่นะ!",
     "wow": "ว้าว",
+    "save_money_1": "คือเงินที่สามารถประหยัดได้",
+    "save_money_2": "ถ้าคุณได้กินอาหารหมดจาน",
     "learn_more": "เรียนรู้เพิ่มเติม",
     "pollution_produced": "มลพิษที่เกิดขึ้นคือคาร์บอนไดออกไซต์ {pollution} กรัม!",
     "points": "แต้ม",
@@ -51,6 +56,7 @@
     "no_data_found": "ขออภัย ไม่พบข้อมูลดังกล่าว",
     "exchange": "แลก",
     "exchange_complete": "สำเร็จ! ได้เวลาอร่อย",
+    "exchange_failed": "การแลกล้มเหลว โปรดตรวจสอบว่าคุณมีแต้มเพียงพอ",
     "n_days_pass": "{n} วัน",
     "press_to_exchange": "กดเพื่อแลก",
     "points_shop": "ร้านค้าแต้ม",

lib/main.dart

@@ -1,5 +1,6 @@
 import "package:flutter/material.dart";
 import "package:flutter/services.dart";
+import "package:food_busters/models/app_state.dart";
 import "package:food_busters/views/login.dart";
 import "package:flutter_localizations/flutter_localizations.dart";
 import "package:flutter_gen/gen_l10n/app_localizations.dart";
@@ -35,19 +36,21 @@ class _MyAppState extends State<MyApp> {
   late String _localeStr;
   String get localeStrSimp => _localeStr.contains("th") ? "th" : "en";
 
-  @override
-  void initState() {
-    super.initState();
-    _localeStr = _locale.toString();
-  }
-
   void setLocale(String value) {
     setState(() {
       _localeStr = value;
       _locale = Locale(value);
     });
   }
 
+  final state = AppState();
+
+  @override
+  void initState() {
+    super.initState();
+    _localeStr = _locale.toString();
+  }
+
   @override
   Widget build(BuildContext context) {
     return MaterialApp(

lib/models/app_state.dart

@@ -0,0 +1,41 @@
+import "package:camera/camera.dart";
+
+class AppState {
+  // * Image Part
+  XFile? _imageBefore;
+  XFile? _imageAfter;
+
+  XFile? get imageBefore => _imageBefore;
+  bool get imageBeforeAvailable => _imageBefore != null;
+  XFile? get imageAfter => _imageAfter;
+  bool get imageAfterAvailable => _imageAfter != null;
+  bool get imageReady => imageBeforeAvailable && imageAfterAvailable;
+
+  void setImageBefore(XFile image) {
+    _imageBefore = image;
+  }
+
+  void deleteImageBefore() {
+    _imageBefore = null;
+  }
+
+  void setImageAfter(XFile image) {
+    _imageAfter = image;
+  }
+
+  // * Points Part
+  // ! Subjected to be change to server-based rather than local, ephemeral
+  int _points = 18;
+
+  int get points => _points;
+
+  void addPoints(int points) {
+    _points += points;
+  }
+
+  bool usePoints(int points) {
+    if (_points < points) return false;
+    _points -= points;
+    return true;
+  }
+}

lib/styles/styles.dart

@@ -17,3 +17,5 @@ const lightOrange = Color(0xFFFFC068);
 const lightGreen = Color(0xFFBBDFC8);
 const green = Color(0xFF5DC7AB);
 const tan = Color(0xFFF4E4D8);
+const brown = Color(0xFF533F2C);
+const rose = Color(0xFFF1D0C5);

lib/views/points/exchange.dart

@@ -1,7 +1,10 @@
 import "package:flutter/material.dart";
 import "package:flutter_gen/gen_l10n/app_localizations.dart";
 import "package:food_busters/components/background.dart";
+import "package:food_busters/components/exchange_dialog.dart";
 import "package:food_busters/data/dummy_restaurant.dart";
+import "package:food_busters/main.dart";
+import "package:food_busters/models/app_state.dart";
 import "package:food_busters/models/restaurant_menu.dart";
 import "package:food_busters/styles/styles.dart";
 import "package:food_busters/utils/string.dart";
@@ -21,6 +24,7 @@ class _ExchangePageState extends State<ExchangePage> {
   @override
   Widget build(BuildContext context) {
     final text = AppLocalizations.of(context)!;
+    final appState = MyApp.of(context).state;
 
     return Scaffold(
       backgroundColor: const Color(0xFFF4E4D8),
@@ -33,7 +37,7 @@ class _ExchangePageState extends State<ExchangePage> {
           Center(
             child: Padding(
               padding: const EdgeInsets.all(16.0),
-              child: Text("18 ${text.points}"),
+              child: Text("${appState.points} ${text.points}"),
             ),
           ),
         ],
@@ -62,7 +66,7 @@ class _ExchangePageState extends State<ExchangePage> {
                 return Padding(
                   padding: const EdgeInsets.symmetric(vertical: 30.0),
                   child: data.isNotEmpty
-                      ? foodList(data, text)
+                      ? foodList(data, text, appState)
                       : Center(
                           child: Text(
                             text.no_data_found,
@@ -83,7 +87,11 @@ class _ExchangePageState extends State<ExchangePage> {
     );
   }
 
-  Widget foodList(List<RestaurantMenu> data, AppLocalizations text) =>
+  Widget foodList(
+    List<RestaurantMenu> data,
+    AppLocalizations text,
+    AppState state,
+  ) =>
       ListView.builder(
         itemCount: data.length,
         itemBuilder: (context, index) {
@@ -148,27 +156,12 @@ class _ExchangePageState extends State<ExchangePage> {
                   showDialog(
                     context: context,
                     builder: (context) {
-                      // * Do Something
-                      return AlertDialog(
-                        title: Text(text.exchange.toUpperCase()),
-                        content: Text(text.exchange_complete),
-                        backgroundColor: const Color(0xFFBBDFC8),
-                        actions: [
-                          TextButton(
-                            child: Text(
-                              text.window_close,
-                              style: const TextStyle(
-                                color: Colors.black,
-                              ),
-                            ),
-                            onPressed: () {
-                              Navigator.of(context).pop();
-                            },
-                          ),
-                        ],
-                      );
+                      return state.usePoints(res.price)
+                          ? exchangeSuccess(text, context)
+                          : exchangeFailed(text, context);
                     },
                   );
+                  setState(() {});
                 },
                 child: Text(text.exchange),
               ),