93 Zeilen
3,5 KiB
PHP
93 Zeilen
3,5 KiB
PHP
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<?php
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require_once __DIR__ . '/sm2.php';
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$user_id = require_auth();
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// GET /api/cards/deck/{slug}
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if (get_method() === 'GET' && ($segments[1] ?? '') === 'deck' && !empty($segments[2])) {
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$slug = $segments[2];
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$stmt = $pdo->prepare("
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SELECT c.id, c.question, c.answer, c.level, c.sort_order,
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cp.next_review, cp.last_rating, cp.last_reviewed_at,
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cp.ease_factor, cp.interval_days, cp.repetitions,
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d.name AS deck_name, d.slug AS deck_slug
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FROM cards c
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JOIN decks d ON d.id = c.deck_id AND d.slug = :slug
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LEFT JOIN card_progress cp ON cp.card_id = c.id AND cp.user_id = :uid
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ORDER BY c.sort_order
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");
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$stmt->execute([':slug' => $slug, ':uid' => $user_id]);
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json_ok(['cards' => $stmt->fetchAll()]);
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}
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// GET /api/cards/due?deck={slug}&limit=N
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if (get_method() === 'GET' && ($segments[1] ?? '') === 'due') {
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$slug = get_param('deck', '');
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$limit = max(1, min(50, (int) get_param('limit', 20)));
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$query = "
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SELECT c.id, c.question, c.answer, c.level, c.sort_order, c.deck_id,
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d.slug AS deck_slug, d.name AS deck_name,
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cp.next_review, cp.last_rating, cp.last_reviewed_at,
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cp.ease_factor, cp.interval_days, cp.repetitions
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FROM cards c
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JOIN decks d ON d.id = c.deck_id
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LEFT JOIN card_progress cp ON cp.card_id = c.id AND cp.user_id = :uid
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WHERE (cp.next_review IS NULL OR cp.next_review <= CURRENT_DATE)
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";
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$params = [':uid' => $user_id];
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if ($slug) {
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$query .= " AND d.slug = :slug";
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$params[':slug'] = $slug;
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}
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$query .= " ORDER BY cp.next_review ASC NULLS FIRST, c.sort_order LIMIT " . $limit;
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$stmt = $pdo->prepare($query);
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$stmt->execute($params);
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json_ok(['cards' => $stmt->fetchAll()]);
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}
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// POST /api/cards/{id}/review
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if (get_method() === 'POST' && is_numeric($segments[1] ?? '') && ($segments[2] ?? '') === 'review') {
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$card_id = (int) $segments[1];
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$body = get_json_body();
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$rating = $body['rating'] ?? '';
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if (!in_array($rating, ['easy', 'medium', 'hard', 'wrong'])) {
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json_error('Ungueltige Bewertung. Erlaubt: easy, medium, hard, wrong');
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}
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$stmt = $pdo->prepare("SELECT id FROM cards WHERE id = :id");
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$stmt->execute([':id' => $card_id]);
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if (!$stmt->fetch()) json_error('Karte nicht gefunden', 404);
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$stmt = $pdo->prepare("SELECT * FROM card_progress WHERE user_id = :uid AND card_id = :cid");
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$stmt->execute([':uid' => $user_id, ':cid' => $card_id]);
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$progress = $stmt->fetch();
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$ease = $progress['ease_factor'] ?? 2.5;
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$interval = $progress['interval_days'] ?? 0;
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$reps = $progress['repetitions'] ?? 0;
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$result = sm2_calculate($rating, $ease, $interval, $reps);
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$stmt = $pdo->prepare("
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INSERT INTO card_progress (user_id, card_id, ease_factor, interval_days, repetitions, next_review, last_rating, last_reviewed_at)
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VALUES (:uid, :cid, :ease, :intv, :reps, :next, :rating, NOW())
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ON CONFLICT (user_id, card_id) DO UPDATE SET
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ease_factor = :ease, interval_days = :intv, repetitions = :reps,
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next_review = :next, last_rating = :rating, last_reviewed_at = NOW()
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");
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$stmt->execute([
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':uid' => $user_id, ':cid' => $card_id,
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':ease' => $result['ease_factor'], ':intv' => $result['interval_days'],
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':reps' => $result['repetitions'], ':next' => $result['next_review'],
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':rating' => $rating
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]);
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json_ok(['progress' => $result]);
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}
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json_error('Unbekannter Cards-Endpunkt', 404);
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