public function view()
 {
     session_start();
     $itemName = '';
     $itemOwner = '';
     $itemBorrower = '';
     $isValidBid = false;
     // Check that URL has required fields
     if (empty($_GET['item']) || empty($_GET['owner']) || empty($_GET['borrower'])) {
         header("Location:index.php");
         return;
     }
     $itemName = $_GET['item'];
     $itemOwner = $_GET['owner'];
     $itemBorrower = $_GET['borrower'];
     $currentUser = $_SESSION['username'];
     // Getting the item
     include 'models/itemModel.php';
     $itemModel = new itemModel();
     $queryResult = $itemModel->getByKey($itemOwner, $itemName);
     // Ensures that message session is for item that exist
     if ($queryResult == false) {
         $this->goToPreviousPage();
         return;
     }
     $item = pg_fetch_array($queryResult);
     $itemImage = $item['image_url'];
     $itemPrice = $item['price'];
     // Getting the members
     include 'models/memberModel.php';
     $memberModel = new memberModel();
     // Ensures that message session is for members that exist
     if (!$memberModel->memberExist($itemOwner) || !$memberModel->memberExist($itemBorrower)) {
         $this->goToPreviousPage();
         return;
     }
     // Ensures that current logged in user belongs to message session
     if ($currentUser != $itemOwner && $currentUser != $itemBorrower) {
         $this->goToPreviousPage();
         return;
     }
     // Ensures that user is not sending message to self
     if ($itemOwner == $itemBorrower) {
         $this->goToPreviousPage();
         return;
     }
     // Getting the loan request
     include 'models/loanRequestModel.php';
     $loanRequestModel = new loanRequestModel();
     $bidMade = $loanRequestModel->getLoanRequestByOwnerItemBorrower($itemOwner, $itemName, $itemBorrower);
     if ($bidMade != false) {
         $bid = pg_fetch_array($bidMade);
         $date_start = $bid['date_start'];
         $bidStatus = $bid['status'];
         $bidPrice = $bid['price_offer'];
         $isValidBid = $bid['is_valid'];
     }
     // Checks if is an accept or reject
     if (isset($_POST['accept'])) {
         $loanRequestModel->acceptLoanRequest($itemName, $itemOwner, $itemBorrower, $date_start);
         $bidStatus = 'accepted';
     }
     if (isset($_POST['reject'])) {
         $loanRequestModel->rejectLoanRequest($itemName, $itemOwner, $itemBorrower, $date_start);
         $bidStatus = 'declined';
     }
     // get all past messages
     include 'models/messageModel.php';
     $messageModel = new messageModel();
     // Check for new message sent
     if (isset($_POST['msg-content'])) {
         $content = $_POST['msg-content'];
         $sender = $itemBorrower;
         $receiver = $itemOwner;
         if ($currentUser == $itemOwner) {
             $sender = $itemOwner;
             $receiver = $itemBorrower;
         }
         $messageModel->addMessage($itemName, $itemOwner, $sender, $receiver, $content);
     }
     $chatHistory = $messageModel->getChatHistoryInOrder($itemName, $itemOwner, $itemBorrower);
     // get user profile images
     $ownerProfile = $memberModel->getUserByUsername($itemOwner);
     $ownerIcon = pg_fetch_row($ownerProfile)[5];
     $borrowerProfile = $memberModel->getUserByUsername($itemBorrower);
     $borrowerIcon = pg_fetch_row($borrowerProfile)[5];
     // put all messages into an array
     $messageArray = array();
     while ($row = pg_fetch_row($chatHistory)) {
         $msgSender = $row[2];
         if ($msgSender == $itemOwner) {
             $msgSenderIcon = $ownerIcon;
         } else {
             $msgSenderIcon = $borrowerIcon;
         }
         $msgContent = $row[4];
         $msgTimestamp = $row[5];
         $message = array($msgSender, $msgSenderIcon, $msgContent, $msgTimestamp);
         array_push($messageArray, $message);
     }
     include 'views/message.php';
 }