/**
* 搜索记录包含借阅信息
*
* @param string personId 记录的成员id
* @param int status 记录的状态
* @param int page 搜索结果的页数
* @param int size 搜索结果每页的数量
* @return array 搜索结果，如果发生错误，则返回false
*/
public static function searchRecordsWithBookName($personId, $status = -1, $page = 1, $size = 10)
{
try {
$dataBaseHandler = getDataBaseHander();
$sql = "select record.*,book.name as bookName from record left join book on record.book_id = book.id " . "where person_id ={$personId} ";
if ($status != -1) {
$sql = $sql . " and record.status = {$status}";
} else {
$sql = $sql . " and record.status != -1 ";
}
if ($size != -1) {
$sql = $sql . " order by borrow_time desc limit " . ($page - 1) * $size . ",{$size} ;";
}
$stmt = $dataBaseHandler->prepare($sql);
$stmt->execute();
for ($i = 0; $row = $stmt->fetch(); $i++) {
$tempRecord = new Record();
$tempRecord->recordId = $row['id'];
$tempRecord->bookId = $row['book_id'];
$tempRecord->personId = $row['person_id'];
$tempRecord->status = $row['status'];
$tempRecord->borrowTime = $row['borrow_time'];
$tempRecord->remandTime = $row['remand_time'];
$tempRecord->bookName = $row['bookName'];
$resultRecord['records'][$i] = $tempRecord;
}
$count = $stmt->rowCount();
$stmt->closeCursor();
$pageSum = intval($count / $size);
$resultRecord['pageSum'] = $count % $size != 0 ? $pageSum + 1 : $pageSum;
$resultRecord['currentPage'] = $page;
return $resultRecord;
} catch (PDOExecption $e) {
print "搜索记录失败: " . $e->getMessage() . "</br>";
return false;
} catch (Exception $e) {
print "搜索记录失败: " . $e->getMessage() . "</br>";
return false;
}
}
/**
* 获得成员
*
* @param string personId 要获得的成员id
* @return Person 获得的成员，如果出现错误则返回false
*/
public static function getPersonWithBorrowCount($personId)
{
try {
$dataBaseHandler = getDataBaseHander();
$sql = "select a.*," . " (select count(*) from record left join book on record.book_id = book.id " . "where record.person_id = a.id and record.status = 1) as count," . "(select count(*) from record left join book on record.book_id = book.id " . "where record.person_id = a.id) as allCount from person as a where id = ?;";
$stmt = $dataBaseHandler->prepare($sql);
$stmt->bindParam(1, $personId);
$stmt->execute();
if ($row = $stmt->fetch()) {
$tempPerson = new Person();
$tempPerson->personId = $row['id'];
$tempPerson->name = $row['name'];
$tempPerson->sunccoNo = $row['suncco_no'];
$tempPerson->type = $row['type'];
$tempPerson->borrowBookCount = $row['count'];
$tempPerson->allBorrowBookCount = $row['allCount'];
return $tempPerson;
} else {
throw new Exception("获得成员失败:没有找到");
}
} catch (PDOExecption $e) {
print "获得成员失败: " . $e->getMessage() . "</br>";
return false;
} catch (Exception $e) {
print "获得成员失败: " . $e->getMessage() . "</br>";
return false;
}
}
/**
* 续借
*
* @param string bookId 书籍Id
* @param string personId 成员id
* @return bool 还书结果
*/
public static function renewBook($bookId, $personId)
{
try {
$dataBaseHandler = getDataBaseHander();
$remanRecordSql = "update record set status = 0,remand_time ='" . date("Y-m-d h:i:s") . "' where book_id = '{$bookId}' and person_id = '{$personId}' and status = 1";
$borrowRecordSql = "insert into record (book_id,person_id,borrow_time) values ('" . $bookId . "','" . $personId . "','" . date("Y-m-d") . "');";
try {
$dataBaseHandler->beginTransaction();
$dataBaseHandler->exec($remanRecordSql);
$dataBaseHandler->exec($borrowRecordSql);
$dataBaseHandler->commit();
} catch (PDOExecption $e) {
$dataBaseHandler->rollBack();
throw $e;
}
return true;
} catch (PDOExecption $e) {
print "续借失败: " . $e->getMessage() . "</br>";
return false;
}
}
