Shopping Cart CI (basic) part 2

Create a new file in a folder -> Controller

/application/controller/shop.php

1	/application/controller/shop.php

Write Code like this

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

	class Shop extends CI_Controller {
		
		function index() {
		
			$this->load->model('products_mod');
			$data['products'] = $this->products_mod->get_all();
			
			//echo "<pre>";
			//print_r($data['products']);
			
			$this->load->view('products_view', $data);
		}
		
		function add() {
			
			$this->load->model('products_mod');
			$product = $this->products_mod->get($this->input->post('id'));
			
			$insert = array(
							'id' => $this->input->post('id'),
							'qty' => 1,
							'price' => $product->price,
							'name' => $product->name
						);
			if ($product->option_name) {
				$insert['options'] = array(
										$product->option_name => $product->option_values[$this->input->post($product->option_name)]
									);
			}
			$this->cart->insert($insert);
			redirect('shop');
		}
	
		function remove($rowid) {
			
			$this->cart->update(array(
									'rowid' => $rowid,
									'qty' => 0
							));
			redirect('shop');
		}
	
	}

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Shop extends CI_Controller {

function index() {

$this->load->model('products_mod');

$data['products'] = $this->products_mod->get_all();

//echo "<pre>";

//print_r($data['products']);

$this->load->view('products_view', $data);

}

function add() {

$this->load->model('products_mod');

$product = $this->products_mod->get($this->input->post('id'));

$insert = array(

'id' => $this->input->post('id'),

'qty' => 1,

'price' => $product->price,

'name' => $product->name

);

if ($product->option_name) {

$insert['options'] = array(

$product->option_name => $product->option_values[$this->input->post($product->option_name)]

);

}

$this->cart->insert($insert);

redirect('shop');

}

function remove($rowid) {

$this->cart->update(array(

'rowid' => $rowid,

'qty' => 0

));

redirect('shop');

}

Create a new file in a folder -> Models

/application/models/products_mod.php

1	/application/models/products_mod.php

Write Code like this

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
	
	class Products_mod extends CI_Model {
		
		function get_all() {
				
				$results = $this->db->get('products')->result();
				
				foreach ($results as $result) {
					if ($result->option_values) {
						$result->option_values = explode(',',$result->option_values);
					}
					
				}
				
				return $results;
		}
		
		function get($id) {
			
			$results = $this->db->get_where('products', array('id' => $id))->result();
			$result = $results[0];
			
			if($result->option_values) {
				$result->option_values = explode(',',$result->option_values);
			}
			
			return $result;
		}
		
	
	}

<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');

class Products_mod extends CI_Model {

function get_all() {

$results = $this->db->get('products')->result();

foreach ($results as $result) {

if ($result->option_values) {

$result->option_values = explode(',',$result->option_values);

}

return $results;

}

function get($id) {

$results = $this->db->get_where('products', array('id' => $id))->result();

$result = $results[0];

if($result->option_values) {

$result->option_values = explode(',',$result->option_values);

}

return $result;

}

Create a new file in a folder -> Views

/application/models/products_view.php

1	/application/models/products_view.php

Write Code like this

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
	<title>Shop</title>
	<style type="text/css">
		body {
			font: 13px Arial;
		}
		#products {
			text-align: center;
			float: left;
		}
		#products ul {
			list-style-type: none;
			margin: 0px;
		}
		#products li {
			width: 150px;
			padding: 4px;
			margin: 8px;
			border: 1px solid #ddd;
			background-color: #eee;
			-moz-border-radius: 4px;
			-webkit-border-radius: 4px
		}
		#products .name {
			font-size: 15px;
			margin: 5px;
		}
		#products .price {
			margin: 5px;
		}
		#products .option {
			margin: 5px;
		}
		#cart {
			padding: 4px;
			margin: 8px;
			float: left;
			border: 1px solid #ddd;
			background: #eee;
			-moz-border-radius: 4px;
			-webkit-border-radius: 4px		
		}
		#cart table {
			width: 320px;
			border-collapse: collapse;
			text-align: left;
		}
		#cart th {
			border-bottom: 1px solid #aaa; 
		}
		#cart caption {
			font-size: 15px;
			height: 30px;
			text-align: left;
		}
	</style>
</head>
<body>
	<div id="products">
		<ul>
			<?php foreach ($products as $product): ?>
			<li>
				<?php echo form_open('shop/add'); ?>
				<div class="name"><?php echo $product->name; ?></div>
				<div class="thumb">
					<?php echo img(array(
									'src' => 'images/' . $product->image,
									'class' => 'thumb',
									'alt' => $product->name
								));
					?>
				</div>
				<div class="price">$ <?php echo $product->price; ?></div>
				<div class="option">
					<?php if ($product->option_name) : ?>
						<?php echo form_label($product->option_name, 'option_'. $product->id); ?>
						<?php echo form_dropdown(
											$product->option_name,
											$product->option_values,
											NULL,
											'id="option_' . $product->id .'"'
										); ?>
					<?php endif; ?>
				</div>
				
				<?php echo form_hidden('id', $product->id); ?>
				<?php echo form_submit('action', 'Add to Cart'); ?>
				<?php echo form_close(); ?>
			</li>
			<?php endforeach; ?>
		</ul>
	</div>
	
	<?php if ($cart = $this->cart->contents()) : ?>
	<div id="cart">
		<table>
			<caption>Shopping Cart</caption>
			<thead>
				<tr>
					<th>Item name</th>
					<th>Option</th>
					<th>Price</th>
				</tr>
			</thead>
			<tbody>
				<?php foreach ($cart as $item) : ?>
					<tr>
						<td><?php echo $item['name']; ?></td>
						<td>
							<?php if($this->cart->has_options($item['rowid'])) {
								foreach ($this->cart->product_options($item['rowid']) as $option => $value) {
									echo $option . ": <em>" . $value . "</em>";
								}
							}	
							?>
						</td>
						<td><?php echo $item['subtotal']; ?></td>
						<td class="remove"><?php echo anchor('shop/remove/'.$item['rowid'], 'X'); ?></td>
					</tr>
				<?php endforeach; ?>
					<tr class="colspan">
						<td colspan="2"><strong>Total</strong></td>
						<td>$ <?php echo $this->cart->total(); ?></td>
					</tr>
			</tbody>
		</table>
	</div>
	<?php endif; ?>

</body>
</html>

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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<head>

body {

font: 13px Arial;

}

#products {

text-align: center;

float: left;

}

#products ul {

list-style-type: none;

margin: 0px;

}

#products li {

width: 150px;

padding: 4px;

margin: 8px;

border: 1px solid #ddd;

background-color: #eee;

-moz-border-radius: 4px;

-webkit-border-radius: 4px

}

#products .name {

font-size: 15px;

margin: 5px;

}

#products .price {

margin: 5px;

}

#products .option {

margin: 5px;

}

#cart {

padding: 4px;

margin: 8px;

float: left;

border: 1px solid #ddd;

background: #eee;

-moz-border-radius: 4px;

-webkit-border-radius: 4px

}

#cart table {

width: 320px;

border-collapse: collapse;

text-align: left;

}

#cart th {

border-bottom: 1px solid #aaa;

}

#cart caption {

font-size: 15px;

height: 30px;

text-align: left;

}

</style>

</head>

<body>

<ul>

<?php foreach ($products as $product): ?>

<li>

<?php echo form_open('shop/add'); ?>

<?php echo img(array(

'src' => 'images/' . $product->image,

'class' => 'thumb',

'alt' => $product->name

));

</div>

<div class="price">$ <?php echo $product->price; ?></div>

<?php if ($product->option_name) : ?>

<?php echo form_label($product->option_name, 'option_'. $product->id); ?>

<?php echo form_dropdown(

$product->option_name,

$product->option_values,

NULL,

'id="option_' . $product->id .'"'

); ?>

<?php endif; ?>

</div>

<?php echo form_hidden('id', $product->id); ?>

<?php echo form_submit('action', 'Add to Cart'); ?>

<?php echo form_close(); ?>

</li>

<?php endforeach; ?>

</ul>

</div>

<?php if ($cart = $this->cart->contents()) : ?>

<table>

<caption>Shopping Cart</caption>

<thead>

<tr>

<th>Option</th>

<th>Price</th>

</tr>

</thead>

<tbody>

<?php foreach ($cart as $item) : ?>

<tr>

<td>

<?php if($this->cart->has_options($item['rowid'])) {

foreach ($this->cart->product_options($item['rowid']) as $option => $value) {

echo $option . ": <em>" . $value . "</em>";

}

</td>

</tr>

<?php endforeach; ?>

<td colspan="2"><strong>Total</strong></td>

<td>$ <?php echo $this->cart->total(); ?></td>

</tr>

</tbody>

</table>

</div>

<?php endif; ?>

</body>

</html>