separate out quiz and result, add results based on answer score

pduebel · Oct 19, 2021 · 14a18c9 · 14a18c9
1 parent 1fba4e3
commit 14a18c9
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Showing 3 changed files with 109 additions and 26 deletions.
diff --git a/lib/main.dart b/lib/main.dart
@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
 
-import './questions.dart';
-import './answer.dart';
+import './quiz.dart';
+import './result.dart';
 
 void main() => runApp(MyApp());
 
@@ -14,43 +14,63 @@ class MyApp extends StatefulWidget {
 }
 
 class _MyAppState extends State<MyApp> {
+  final _questions = const [
+    {
+      'questionText': 'What\'s your favourite colour?',
+      'answers': [
+        {'text': 'Black', 'score': 10},
+        {'text': 'Red', 'score': 5},
+        {'text': 'Green', 'score': 3},
+        {'text': 'Blue', 'score': 1}
+      ]
+    },
+    {
+      'questionText': 'What\'s your favourite animal?',
+      'answers': [
+        {'text': 'Dog', 'score': 1},
+        {'text': 'Spider', 'score': 10},
+        {'text': 'Cat', 'score': 3},
+        {'text': 'Snake', 'score': 5}
+      ]
+    },
+    {
+      'questionText': 'What\'s your favourite food?',
+      'answers': [
+        {'text': 'Pizza', 'score': 1},
+        {'text': 'Kebab', 'score': 5},
+        {'text': 'Chips', 'score': 3},
+        {'text': 'Coriander', 'score': 10}
+      ]
+    }
+  ];
   var _questionIndex = 0;
+  var _totalScore = 0;
 
-  void _answerQuestion() {
+  void _answerQuestion(int score) {
     setState(() {
       _questionIndex++;
     });
+    _totalScore += score;
     print(_questionIndex);
+    if (_questionIndex < _questions.length) {
+      print('We have more questions!');
+    } else {
+      print('No more questions!');
+    }
   }
 
   @override
   Widget build(BuildContext context) {
-    const questions = [
-      {
-        'questionText': 'What\'s your favourite colour?',
-        'answers': ['Black', 'Red', 'Green', 'White']
-      },
-      {
-        'questionText': 'What\'s your favourite animal?',
-        'answers': ['Rabbit', 'Snake', 'Elephant', 'Lion']
-      },
-      {
-        'questionText': 'What\'s your favourite food?',
-        'answers': ['Pizza', 'Curry', 'Chips', 'Ice Cream']
-      }
-    ];
     return MaterialApp(
       home: Scaffold(
         appBar: AppBar(title: const Text('Personality Quiz')),
-        body: Column(
-          children: [
-            Question((questions[_questionIndex]['questionText'] as String)),
-            ...(questions[_questionIndex]['answers'] as List<String>)
-                .map((answer) {
-              return Answer(_answerQuestion, answer);
-            }).toList()
-          ],
-        ),
+        body: _questionIndex < _questions.length
+            ? Quiz(
+                answerQuestion: _answerQuestion,
+                questionIndex: _questionIndex,
+                questions: _questions,
+              )
+            : Result(_totalScore),
       ),
     );
   }

diff --git a/lib/quiz.dart b/lib/quiz.dart
@@ -0,0 +1,29 @@
+import 'package:flutter/material.dart';
+
+import './questions.dart';
+import './answer.dart';
+
+class Quiz extends StatelessWidget {
+  final List<Map<String, Object>> questions;
+  final int questionIndex;
+  final Function(int) answerQuestion;
+
+  Quiz({
+    required this.questions,
+    required this.answerQuestion,
+    required this.questionIndex,
+  });
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        Question((questions[questionIndex]['questionText'] as String)),
+        ...(questions[questionIndex]['answers'] as List<Map<String, Object>>)
+            .map((answer) {
+          return Answer(() => answerQuestion(answer['score'] as int),
+              answer['text'] as String);
+        }).toList()
+      ],
+    );
+  }
+}
diff --git a/lib/result.dart b/lib/result.dart
@@ -0,0 +1,34 @@
+import 'package:flutter/material.dart';
+
+class Result extends StatelessWidget {
+  final int resultScore;
+
+  Result(this.resultScore);
+
+  String get resultPhrase {
+    String resultText;
+    if (resultScore <= 7) {
+      resultText = 'You are awesome!';
+    } else if (resultScore <= 13) {
+      resultText = 'Pretty likeable!';
+    } else {
+      resultText = 'You weirdo!';
+    }
+    return resultText;
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Column(
+      children: [
+        Center(
+          child: Text(
+            resultPhrase,
+            style: const TextStyle(fontSize: 36, fontWeight: FontWeight.bold),
+            textAlign: TextAlign.center,
+          ),
+        ),
+      ],
+    );
+  }
+}