diff options
Diffstat (limited to 'lib/study/deck.php')
| -rw-r--r-- | lib/study/deck.php | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/lib/study/deck.php b/lib/study/deck.php index 94790e3..99119ef 100644 --- a/lib/study/deck.php +++ b/lib/study/deck.php @@ -12,10 +12,18 @@ assert_error($study && $study['learn_user'] == $user['id'], "You are not at the if ($study['need_check']) { /* Algorithm : + - Delete references to deleted cards - Check that deck_study.last_card = max(card_study.card.number) - Check that foreach (card where card.deck = deck_study.deck && card.number < deck_study.last_card), exists corresponding card_study, if not exist, create level 0 (skipped) */ + $n = sql("SELECT card_study.id AS id, cards.deck AS d FROM card_study ". + "LEFT JOIN cards ON cards.id = card_study.card WHERE card_study.deck_study = $studyid"); + while ($r = mysql_fetch_assoc($n)) { + if (intval($r['d']) == 0) { + sql("DELETE FROM card_study WHERE id = " . $r['id']); + } + } $mcn = mysql_fetch_assoc(sql("SELECT MAX(cards.number) AS mcn FROM deck_study ". "LEFT JOIN card_study ON card_study.deck_study = deck_study.id LEFT JOIN cards ON cards.id = card_study.card ". "WHERE deck_study.id = $studyid")); |