1 files changed, 19 insertions, 0 deletions
diff --git a/lib/study/setrate.php b/lib/study/setrate.php
new file mode 100644
index 0000000..f893eb9
--- /dev/null
+++ b/lib/study/setrate.php
@@ -0,0 +1,19 @@
+<?php
+
+assert_redir(count($args) >= 3, 'study');
+$studyid = intval($args[2]);
+
+$study = mysql_fetch_assoc(sql(
+	"SELECT decks.id AS deckid, decks.name AS deckname, account.login AS deckowner, ".
+	" deck_study.learn_rate AS learn_rate, deck_study.user AS learn_user ".
+	"FROM deck_study LEFT JOIN decks ON deck_study.deck = decks.id LEFT JOIN account ON account.id = decks.owner ".
+	"WHERE deck_study.id = $studyid"));
+assert_error($study && $study['learn_user'] == $user['id'], "You are not at the right place here.");
+
+if (isset($args[3]) && ($rate = intval($args[3])) > 0) {
+	sql("UPDATE deck_study SET learn_rate = $rate WHERE id = $studyid");
+	header("Location: deck-study-$studyid");
+	die();
+}
+
+include ("tpl/study/setrate.php");