SWDW_Fruit_Store/indexes/manage/edit.php

<link rel="stylesheet" href="../../index.css" type="text/css" />
<script src="../../home.js"></script>
<style>
    body{
        overflow: auto;
    }
</style>

<?php
include "../ConnectDB.php";

// Start the session
session_start();

// Check if the user is already logged in
if (isset($_SESSION['loggedin']) && $_SESSION['loggedin'] === true) {
    if (isset($_SESSION['user_type']) && $_SESSION['user_type'] === 'admin') {

        $sql = "SELECT * FROM inventory";
        $result = mysqli_query($conn, $sql);
        $row = mysqli_num_rows($result);

        if ($row <= 0) {
            echo '<h3>Nothing Here</h3>';
        }

        //buttons
        echo '<br><br><br><br><br><br><br><br>';
        echo '<div id="grid">';

        echo '<table style="text-align: left;">';
        echo '<tr>';
        echo "<td><button id='addfruit' onclick='addfruit()'>ADD</button></td>";

        echo "<td width='20px'></td>";

        echo '<form action="update.php" method="POST">';
        echo "<td><button id='update' type='submit' style='text-align: center;'>SAVE</button></td>";
        echo '</tr>';

        echo '</table>';

        //modify area
        while ($row_data = mysqli_fetch_array($result)) {
            echo '<table id="items" style="text-align: center;">';
            echo '<tr>';
                echo '<th>Image </th>';
                echo '<td colspan="2">';
                echo '<img src="data:image/jpeg;base64,' . base64_encode($row_data['img']) . '" title="' . $row_data['name'] . '" id="' . $row_data['name'] . '" style="width:30%" onclick="changeimg(this)">';
                echo '</td>';
            echo '</tr>';
            echo '<tr>';
                echo '<th width="40%">Name </th>';
                echo '<td width="60%" colspan="2">';
                echo '<input name="data['.$row_data['name'].'][name]" value="'.$row_data['name'].'" style="width: 90%;">';
                echo '</td>';
            echo '</tr>';
            echo '<tr>';
                echo '<th>Short description </th>';
                echo '<td colspan="2">';
                echo '<textarea name="data['.$row_data['name'].'][simpledesc]">'.$row_data['simpledesc'].'</textarea>';
                echo '</td>';
            echo '</tr>';
            echo '<tr>';
                echo '<th>Full description </th>';
                echo '<td style="overflow: auto;" colspan="2">';
                echo '<textarea name="data['.$row_data['name'].'][fulldesc]">'.$row_data['fulldesc'].'</textarea>';
                echo '</td>';
            echo '</tr>';
            echo '<tr>';
                echo '<th>Inventory </th>';
                echo '<td width="max-content">';
                echo '<input name="data['.$row_data['name'].'][quantities]" value="'.$row_data['quantities'].'">';
                echo '</td>';
                echo '<td>kg</td>';
            echo '</tr>';
            echo '<tr>';
                echo '<th>Buyer price </th>';
                echo '<td>￥</td>';
                echo '<td width="max-content">';
                echo '<input name="data['.$row_data['name'].'][buyer_price]" id="buyer_price" value="'.$row_data['buyer_price'].'">';
                echo '</td>';
            echo '</tr>';
            echo '<tr>';
                echo '<th>Seller price </th>';
                echo '<td>￥</td>';
                echo '<td width="max-content">';
                echo '<input name="data['.$row_data['name'].'][seller_price]" id="seller_price" value="'.$row_data['seller_price'].'">';
                echo '</td>';
            echo '</tr>';
            echo '<tr>';
                echo '<th>buyer availability </th>';
                echo '<td><input type="radio" name="data['.$row_data['name'].'][buyer_availability]" value="1" '.($row_data['buyer_availability'] == '1' ? 'checked' : '').'></td>';
                echo '<td><input type="radio" name="data['.$row_data['name'].'][buyer_availability]" value="0" '.($row_data['buyer_availability'] == '0' ? 'checked' : '').' ></td>';
            echo '</tr>';
            echo '<tr>';
                echo '<td></td>';
                echo '<td>available</td>';
                echo '<td>not available</td>';
            echo '</tr>';
            echo '<tr>';
                echo '<th>Seller availability </th>';
                echo '<td><input type="radio" name="data['.$row_data['name'].'][seller_availability]" value="1" '.($row_data['seller_availability'] == '1' ? 'checked' : '').' ></td>';
                echo '<td><input type="radio" name="data['.$row_data['name'].'][seller_availability]" value="0" '.($row_data['seller_availability'] == '0' ? 'checked' : '').' ></td>';
            echo '</tr>';
            echo '<tr>';
                echo '<td></td>';
                echo '<td>available</td>';
                echo '<td>not available</td>';
            echo '</tr>';
            echo '<tr>';
                echo '<td colspan="3" id="' . $row_data['name'] . '" onclick="deletefruit(this)" style="cursor: hand; text-align: center; color: white; background-color: red; border-radius: 10px">DELETE</td>';
            echo '</tr>';
            echo '<input type="hidden" name="data['.$row_data['name'].'][id]" value="'.$row_data['name'].'">';
            echo '</table>';
            }

            echo '</form>';
            echo '</div>';
        }
        else {
            echo "<script type='text/javascript'>
                    alert('Only admin can visit!');
                </script>";
        }
}
else {
    echo "<script type='text/javascript'>
        window.location.href = '../../index.html';
    </script>";
}

echo '<dialog class="dialog">';
    echo'<form method="dialog">';
        echo'<p>Are you sure to delete this fruit?</p>';
        echo'<br>';
        echo'<button class="dialogbutton" type="submit" value="Yes">Yes</button>';
        echo'&nbsp&nbsp&nbsp';
        echo'<button class="dialogbutton" id="cancel-button">No</button>';
    echo'</form>';
    echo'<br>';
echo'</dialog>';

mysqli_close($conn);
?>

<script>
    function addfruit(){
        makeIFrame("./fruit_add.php", "login", "overlay");
    }
    
    function deletefruit(tag){
        var name = tag.id;
        var dialog = document.querySelector('dialog');
        dialog.showModal();
        dialog.addEventListener('close', function(event) {
            var targetButton = event.target.returnValue;
            if (targetButton === "Yes") {
                window.location.href = "fruit_del.php?name=" + name;
            }
        });
    }
    
    function changeimg(tag) {
        var name = tag.id;
        makeIFrame("./changeimg.php?name=" + name, "login", "overlay");
    }

</script>