public static function getDB()
{
if (!isset(self::$db)) {
try {
self::$db = new PDO(self::$dsn, self::$username, self::$passwd);
} catch (PDOException $ex) {
$error_message = $ex->getMessage();
include '../errors/datebase_error.php';
exit;
}
}
return self::$db;
}
public static function getPublisher($publisher_id)
{
global $db;
$query = 'SELECT * FROM publishers WHERE publisherID = :publisher_id';
try {
$statement = $db->prepare($query);
$statement->bindValue(':publisher_id', $publisher_id);
$statement->execute();
$row = $statement->fetch();
$statement->closeCursor();
$publisher = new Publisher($row['publisherID'], $row['publisherName']);
return $publisher;
} catch (PDOException $e) {
$error_message = $e->getMessage();
DBContext::displayDBError($error_message);
}
}
function is_array($fname, $lname, $dob)
{
global $db;
$query = 'SELECT userID FROM users
WHERE fname = :fname AND lname= :lname AND dob = :dob AND isAdmin = 1';
try {
$statement = $db->prepare($query);
$statement->bindValue(':fname', $fname);
$statement->bindValue(':lname', $lname);
$statement->bindValue(':dob', $dob);
$statement->execute();
$valid = $statement->rowCount() >= 1;
$statement->closeCursor();
} catch (PDOException $e) {
$error_message = $e->getMessage();
DBContext::displayDBError($error_message);
}
return $valid;
}
/**
* 配置初始化函数
* @param $conf array 配置项如下：
* guid_db 可选
* guid_table 可选
* splits 可选
* log_func 可选
* test_mode 可选
* db_pool=>array(
* 'db11'=>array(
* 'ip'=>'ip',
* 'port'=>3306,
* 'user'=>'user',
* 'pass'=>'pass',
* 'charset'=>'charset'
* ),
* 'db2'=>xxx
* ....
* ),
* 'dbs'=>array(
* 'dbname'=>'db1',
* 'dbname'=>array('master'=>'db1','slave'=>array('db2','db3'))
* )
* @throws \Exception
*/
static function init($conf)
{
//check db conf format
foreach ($conf['dbs'] as $db => $dbconf) {
if (is_string($dbconf)) {
if (!isset($conf['db_pool'][$dbconf])) {
throw new \Exception('db.ConfError ' . $dbconf . ' no such pool in db_pool');
}
} else {
if (!isset($dbconf['master']) || !isset($dbconf['slave'])) {
throw new \Exception('db.ConfError missing master|slave conf ' . $db);
}
$master = $dbconf['master'];
$slaves = $dbconf['slave'];
if (!isset($conf['db_pool'][$master])) {
throw new \Exception('db.ConfError ' . $master . ' no such pool in db_pool');
}
foreach ($slaves as $slave) {
if (!isset($conf['db_pool'][$slave])) {
throw new \Exception('db.ConfError ' . $slave . ' no such pool in db_pool');
}
}
}
}
DbContext::$db_pool = $conf['db_pool'];
DBContext::$dbconf = $conf['dbs'];
DbContext::$guidDB = empty($conf['guid_db']) ? null : $conf['guid_db'];
DbContext::$guidTable = empty($conf['guid_table']) ? null : $conf['guid_table'];
DbContext::$defaultDB = empty($conf['default_db']) ? null : $conf['default_db'];
//转换成小写的，免得因为大小写问题比较不成功
DbContext::$splits = empty($conf['splits']) ? array() : $conf['splits'];
DbContext::$logFunc = empty($conf['log_func']) ? null : $conf['log_func'];
DbContext::$testMode = !empty($conf['test_mode']);
DbContext::$longQueryTime = empty($conf['long_query_time']) ? 0 : $conf['long_query_time'];
}
/**
*
* Return all service request within the given filter/s
* @param array $filter an array of filters, array index as column filter and array first value as column filter value , array second value as column operator
* @return return an array of servicerequest object
*/
public function getServiceRequest($ordering = array(), $filter = array())
{
$where = "WHERE ";
$order = " ORDER BY ";
$request = array();
if (count($filter) == 0) {
$where = "";
} else {
foreach ($filter as $key => $value) {
if (!array_key_exists(0, $value)) {
return $request;
}
if (!array_key_exists(1, $value)) {
return $request;
}
$val = is_numeric($value[0]) ? $value[0] : "'" . $value[0] . "'";
$where .= $key . " " . $value[1] . " " . $val . " AND ";
}
$where = substr($where, 0, strlen($where) - 4);
}
if (count($ordering) == 0) {
$order = "";
} else {
foreach ($ordering as $key => $value) {
$order .= $key . " " . $value;
}
}
$query = "SELECT * FROM servicerequest " . $where . $order;
$dbContext = new DBContext();
$resultArr = $dbContext->getAllResult($query);
public static function displayDBError($error_message)
{
self::$error_msg = $error_message;
include 'views/db_error.php';
exit;
}
public static function addBook($book)
{
global $db;
$query = 'INSERT INTO books
(publisherID, isbn, bookTitle, bookPrice)
VALUES
(:publisher_id, :isbn, :title, :price)';
try {
$statement = $db->prepare($query);
$statement->bindValue(':publisher_id', $publisher_id);
$statement->bindValue(':isbn', $isbn);
$statement->bindValue(':title', $title);
$statement->bindValue(':price', $price);
$statement->execute();
$statement->closeCursor();
// Get the last product ID that was automatically generated
$book_id = $db->lastInsertId();
return $book_id;
} catch (PDOException $e) {
$error_message = $e->getMessage();
DBContext::displayDBError($error_message);
}
}
* Student Info: Name=Tsai-Chang Mai, ID=10010
* Subject: CS526(C)_HW5_Spring_2016
* Author: Arvin-tcm
* Filename: index.php
* Date and Time: Mar 24, 2016 6:14:18 PM
* Project Name: TsaiChangMai_10010_CS526A_HW5
*/
include_once "models/PageData.php";
$pageData = new PageData();
$pageData->title = "Rest";
$pageData->addCSS('css/layout.css');
$pageData->addCSS('css/navigation.css');
// start session management with a persistent cookie
$duration = 60 * 60 * 24 * 7;
session_set_cookie_params($duration);
session_start();
if (empty($_SESSION['cart'])) {
$_SESSION['cart'] = array();
}
//connect to database
include_once "db/db_context.php";
$db = DBContext::getDB();
$pageData->navigation = (include_once "views/navigation_front.php");
$navigationIsClicked = isset($_GET["controller"]);
if ($navigationIsClicked) {
$controller = $_GET["controller"];
} else {
$controller = "guest";
}
$pageData->content = (include_once "controllers/{$controller}/index.php");
include_once "views/page.php";
