Update api/answer.php

api/answer.php

@@ -12,13 +12,10 @@ header('Content-Type: application/json; charset=utf-8');
 
 $user = $_SESSION['user'];
 
-$inputRaw = file_get_contents('php://input');
-$input = json_decode($inputRaw, true);
+$input = json_decode(file_get_contents('php://input'), true);
 
 if (!is_array($input)) {
-    echo json_encode([
-        'error' => 'invalid_json'
-    ]);
+    echo json_encode(['error' => 'invalid_json']);
     exit;
 }
 
@@ -31,46 +28,49 @@ $file = listPath($user, $lang, $list);
 $data = JsonDB::read($file);
 
 if (!isset($data['words']) || !is_array($data['words'])) {
-    echo json_encode([
-        'error' => 'list_not_found'
-    ]);
+    echo json_encode(['error' => 'list_not_found']);
     exit;
 }
 
 $correct = false;
-$updated = false;
+$updatedWord = null;
 
-foreach ($data['words'] as &$word) {
+foreach ($data['words'] as $i => $word) {
 
     if ((int)$word['id'] === $wordId) {
 
-        // init stats veilig
-        if (!isset($word['correct'])) $word['correct'] = 0;
-        if (!isset($word['wrong'])) $word['wrong'] = 0;
+        // init stats
+        if (!isset($data['words'][$i]['correct'])) {
+            $data['words'][$i]['correct'] = 0;
+        }
 
-        // normalize compare
-        $expected = strtolower(trim($word['answer']));
+        if (!isset($data['words'][$i]['wrong'])) {
+            $data['words'][$i]['wrong'] = 0;
+        }
+
+        // normalize
+        $expected = strtolower(trim($data['words'][$i]['answer']));
         $given = strtolower(trim($userAnswer));
 
         $correct = ($expected === $given);
 
         // update stats
         if ($correct) {
-            $word['correct']++;
+            $data['words'][$i]['correct']++;
         } else {
-            $word['wrong']++;
+            $data['words'][$i]['wrong']++;
         }
 
-        // SRS update (nextReview + interval)
-        updateWordStats($word, $correct);
+        // SRS update (nextReview etc.)
+        updateWordStats($data['words'][$i], $correct);
+
+        $updatedWord = $data['words'][$i];
 
-        $updated = true;
         break;
     }
 }
 
-// als woord niet gevonden is
-if (!$updated) {
+if ($updatedWord === null) {
     echo json_encode([
         'error' => 'word_not_found',
         'wordId' => $wordId
@@ -78,24 +78,19 @@ if (!$updated) {
     exit;
 }
 
-// write back
+// save JSON
 $ok = JsonDB::write($file, $data);
 
 if (!$ok) {
-    echo json_encode([
-        'error' => 'write_failed'
-    ]);
+    echo json_encode(['error' => 'write_failed']);
     exit;
 }
 
 echo json_encode([
     'correct' => $correct,
-    'stats' => [
-        'wordId' => $wordId,
-        'correct' => $correct ? 1 : 0
-    ],
     'debug' => [
-        'updatedCorrect' => $data['words'][$i]['correct'] ?? null,
-        'updatedWrong' => $data['words'][$i]['wrong'] ?? null
+        'wordId' => $wordId,
+        'updatedCorrect' => $updatedWord['correct'] ?? null,
+        'updatedWrong' => $updatedWord['wrong'] ?? null
     ]
 ]);