Replays: Restore edit function

Apparently that's why that was broken.

Author: mia-pi-git

replay.pokemonshowdown.com/replay-manage.php

@@ -150,8 +150,6 @@ function userid($username) {
 		$replay['private'] = intval($_POST['private']);
 		$Replays->edit($replay);
 		echo '<p>Edited.</p>';
-	} else {
-		echo '<p>Editing privacy to '.$_POST['private']. 'failed. ';
 	}
 ?>
 			Change privacy: <form action="/<?= $replay['id'] ?>/manage" method="post" style="display: inline" data-target="replace">

replay.pokemonshowdown.com/replays.lib.php

@@ -50,6 +50,27 @@ function genPassword() {
 		return $password;
 	}
 
+	function edit($replay) {
+		if ($replay['private'] === 3) {
+			$replay['private'] = 3;
+			$res = $this->db->prepare("UPDATE replays SET private = 3, password = NULL WHERE id = ? LIMIT 1");
+			$res->execute([$replay['id']]);
+		} else if ($replay['private'] === 2) {
+			$replay['private'] = 1;
+			$replay['password'] = NULL;
+			$res = $this->db->prepare("UPDATE replays SET private = 1, password = NULL WHERE id = ? LIMIT 1");
+			$res->execute([$replay['id']]);
+		} else if ($replay['private']) {
+			if (!$replay['password']) $replay['password'] = $this->genPassword();
+			$res = $this->db->prepare("UPDATE replays SET private = 1, password = ? WHERE id = ? LIMIT 1");
+			$res->execute([$replay['password'], $replay['id']]);
+		} else {
+			$res = $this->db->prepare("UPDATE replays SET private = 0, password = NULL WHERE id = ? LIMIT 1");
+			$res->execute([$replay['id']]);
+		}
+		return;
+	}
+
 	function get($id, $force = false) {
 		if (!$this->db) {
 			// if (!$force) return false;