From e445b121e39ae49e66c8dcc514dd58e407197987 Mon Sep 17 00:00:00 2001
From: BroodjeAap <davidzessen@gmail.com>
Date: Mon, 9 Nov 2020 20:33:15 +0100
Subject: [PATCH] working basic percentage of correct 'all' answers

---
 lib/pages/practice/PracticeDatabase.dart | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/lib/pages/practice/PracticeDatabase.dart b/lib/pages/practice/PracticeDatabase.dart
index a56b8ec..164912d 100644
--- a/lib/pages/practice/PracticeDatabase.dart
+++ b/lib/pages/practice/PracticeDatabase.dart
@@ -71,7 +71,20 @@ class PracticeDatabase {
 
   static Future<Map<String, dynamic>> getStats() async {
     var db = await getDatabase();
-    List<Map<String, dynamic>> answers = await db.rawQuery('''SELECT * FROM AnswersView;''');
+    List<Map<String, dynamic>> answers = await db.rawQuery('''
+      SELECT 
+        type,
+        SUM(correct = 1) AS correct,
+        SUM(correct = 0) AS incorrect,
+        (
+          (SUM(correct = 1)*1.0) / 
+          (SUM(correct = 0) + SUM(correct = 1))
+        ) as ratio
+      FROM
+        AnswersView
+      GROUP BY
+        type;
+    ''');
     print(answers);
     var first = answers.first;
     print(first["practice_id"]);