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<?php
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require_once "../lib/db_open.inc.php";
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require_once "../lib/score_change.inc.php";
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require_once "./session_init.inc.php";
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force_login();
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$data = json_decode(file_get_contents("php://input"), true);
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$uid = (isset($data["uid"]) ? intval($data["uid"]) : 0);
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$amount = (isset($data["amount"]) ? intval($data["amount"]) : 0);
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$result_set = array(
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"return" => array(
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"code" => 0,
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"message" => "",
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"errorFields" => array(),
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)
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);
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header("Content-Type:application/json; charset=utf-8");
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// Validate input data
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if ($amount <= 0 || $amount > 10000 || $amount % 10 != 0 || $data["amount"] != $amount)
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{
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$result_set["return"]["code"] = -1;
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array_push($result_set["return"]["errorFields"], array(
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"id" => "transfer",
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"errMsg" => "转让额输入错误",
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));
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}
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if ($_SESSION["BBS_uid"] == $uid)
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{
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$result_set["return"]["code"] = -1;
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array_push($result_set["return"]["errorFields"], array(
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"id" => "transfer",
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"errMsg" => "不能转让积分给自己",
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));
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}
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if ($result_set["return"]["code"] != 0)
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{
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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// Begin transaction
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$rs = mysqli_query($db_conn, "SET autocommit=0");
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Mysqli error: " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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$rs = mysqli_query($db_conn, "BEGIN");
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Mysqli error: " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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// Check recipient
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$sql = "SELECT UID FROM user_list WHERE UID = $uid AND enable AND verified";
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$rs = mysqli_query($db_conn, $sql);
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Query user info error: " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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if (!($row = mysqli_fetch_array($rs)))
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{
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$result_set["return"]["code"] = -1;
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array_push($result_set["return"]["errorFields"], array(
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"id" => "transfer",
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"errMsg" => "接收方不存在",
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));
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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$ret = score_change($_SESSION["BBS_uid"], round($amount * (-1 - $BBS_score_transfer_fee), 0), "积分转出[$uid]", $db_conn);
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if ($ret < 0)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Update score error: " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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else if ($ret > 0)
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{
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$result_set["return"]["code"] = -1;
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array_push($result_set["return"]["errorFields"], array(
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"id" => "transfer",
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"errMsg" => "积分不足",
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));
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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$ret = score_change($uid, $amount, "积分转入[" . $_SESSION["BBS_uid"] . "]", $db_conn);
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if ($ret < 0)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Update score error: " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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else if ($ret > 0)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "The balance of recipient's account is negative";
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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// Commit transaction
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$rs = mysqli_query($db_conn, "COMMIT");
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if ($rs == false)
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{
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$result_set["return"]["code"] = -2;
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$result_set["return"]["message"] = "Mysqli error: " . mysqli_error($db_conn);
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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}
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mysqli_close($db_conn);
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exit(json_encode($result_set));
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