Instagram Feed for Magento

000 - Magento - Instagram Feed

Instructions on how to add an Instagram Feed to a Magento Site.

Includes:
    Block Class w/ base template for rendering the feed
    System -> Configuration options for connecting to the client's Instagram account
    Default CSS Styles

001-sytem.xml

<!-- 
  Adds the necessary System -> Configuration fields to store the client's 
  account information and configuration settings for the feed. 
-->
<config>
    <tabs>
        <firstscribe translate="label" module="firstscribe_grizzly">
            <label>Client Name</label>
            <sort_order>20</sort_order>
        </firstscribe>
    </tabs>
    <sections>
        <firstscribe_client translate="label" module="firstscribe_grizzly">
            <class>separator-top</class>
            <label>Client Name</label>
            <tab>firstscribe</tab>
            <frontend_type>text</frontend_type>
            <sort_order>100</sort_order>
            <show_in_default>1</show_in_default>
            <groups>
                <instagram translate="label" module="firstscribe_grizzly">
                    <label>Instagram Account</label>
                    <frontend_type>text</frontend_type>
                    <sort_order>10</sort_order>
                    <show_in_default>1</show_in_default>
                    <fields>
                        <user_id>
                            <label>User Id</label>
                            <comment>This is different from your login username.</comment>
                            <frontend_type>text</frontend_type>
                            <show_in_default>1</show_in_default>
                            <sort_order>0</sort_order>
                            <frontend_class>validate-digits</frontend_class>
                        </user_id>
                        <access_token translate="label">
                            <label>Access Token</label>
                            <frontend_type>obscure</frontend_type>
                            <backend_model>adminhtml/system_config_backend_encrypted</backend_model>
                            <comment><![CDATA[<a href="https://www.instagram.com/developer/authentication/" target="_blank">Read Documentation</a>]]></comment>
                            <sort_order>10</sort_order>
                            <show_in_default>1</show_in_default>
                        </access_token>
                        <photo_count>
                            <label>Photo count</label>
                            <comment>Number of photos to display in the feed.</comment>
                            <frontend_type>text</frontend_type>
                            <show_in_default>1</show_in_default>
                            <frontend_class>validate-digits required-entry validate-greater-than-zero</frontend_class>
                            <sort_order>0</sort_order>
                        </photo_count>
                    </fields>
                </instagram>
            </groups>
        </firstscribe_client>
    </sections>
</config>

002-Instagram.php

<?php
/**
 * Instagram Helper
 *
 * @category    FirstScribe
 * @package     FirstScribe_Client
 * @author      Darren D Felton <[email protected]>
 */
class FirstScribe_Client_Helper_Instagram extends Mage_Core_Helper_Abstract
{
    const XML_PATH_ACCESS_TOKEN = 'firstscribe_client/instagram/access_token';
    const XML_PATH_USER_ID      = 'firstscribe_client/instagram/user_id';
    const XML_PATH_PHOTO_COUNT  = 'firstscribe_client/instagram/photo_count';

    /**
     * Return the user id for the client's Instagram account
     * @return string
     */
    public function getUserId()
    {
        return Mage::getStoreConfig(self::XML_PATH_USER_ID);
    }

    /**
     * Return the access token for the client's Instagram account
     *
     * @return string
     */
    public function getAccessToken()
    {
        /* @var $core Mage_Core_Helper_Data */
        $core = Mage::helper('core');
        return $core->decrypt(Mage::getStoreConfig(self::XML_PATH_ACCESS_TOKEN));
    }

    /**
     * Return the number of items to fetch for the feed.
     * 
     * @return string
     */
    public function getPhotoCount()
    {
        return Mage::getStoreConfig(self::XML_PATH_PHOTO_COUNT);
    }

}

004-feed.phtml

<?php
/**
 * Instagram Feed
 *
 * @category    FirstScribe
 * @package     FirstScribe_Grizzly
 * @author      Darren D Felton <[email protected]>
 */
/* @var $this FirstScribe_Grizzly_Block_Instagram_Feed */
/* @var $item Varien_Object */

$j = count($this->getFeed());
$i = 0;
?>

<div class="instagram-feed-container" id="list_instagram">
    <div class="instagram-feed">
        <?php foreach ($this->getFeed() as $item): ?>
            <a href="#instagram_feed_<?php echo $item->getId() ?>" data-fancybox-group="instagram" class="<?php echo $this->getListClass(++$i, $j, $item, 'item', 6, 'fancybox') ?>">
                <img src="<?php echo $item->getData('image_preview') ?>" alt="<?php echo $this->quoteEscape($item->getData('caption')) ?>" />
                <div class="absolute-cover inside">
                    <div class="valign-wrap">
                        <div class="valign-middle">
                            <div class="animated mglass-white"></div>
                        </div>
                    </div>
                </div>
            </a>
            <div class="overlay-container hidden">
                <div class="instagram-popup" id="instagram_feed_<?php echo $item->getId() ?>">
                    <img src="<?php echo $item->getData('image_full') ?>" alt="<?php echo $this->quoteEscape($item->getData('caption')) ?>" />
                    <div class="std">
                        <p><?php echo $item->getData('caption') ?></p>
                        <p class="a-center">
                            <a href="<?php echo $item->getData('link') ?>" target="_blank" class="button view">
                                <?php echo $this->__('View on Instagram') ?></a>
                    </div>
                </div>
            </div>
        <?php endforeach ?>
    </div>
</div>

005-styles.css

/* Animations */
@keyframes bounceInDown{60%,75%,90%,from,to{-webkit-animation-timing-function:cubic-bezier(.215,.61,.355,1);animation-timing-function:cubic-bezier(.215,.61,.355,1)}0%{opacity:0;-webkit-transform:translate3d(0,-3000px,0);transform:translate3d(0,-3000px,0)}60%{opacity:1;-webkit-transform:translate3d(0,25px,0);transform:translate3d(0,25px,0)}75%{-webkit-transform:translate3d(0,-10px,0);transform:translate3d(0,-10px,0)}90%{-webkit-transform:translate3d(0,5px,0);transform:translate3d(0,5px,0)}to{-webkit-transform:none;transform:none}}
.animated{-webkit-animation-duration:1s;animation-duration:1s;-webkit-animation-fill-mode:both;animation-fill-mode:both}

/* Global: Helpers */
.absolute-cover{bottom:0;left:0;padding:15px;position:absolute;right:0;top:0}
.valign-wrap{display:table;height:100%;width:100%}
.valign-middle{display:table-cell;vertical-align:middle}

/* Instagram Feed */
.instagram-feed{border:5px solid #fff;margin:0 auto;max-width:100%;width:1920px}
.instagram-feed .item{border:5px solid #fff;display:block;float:left;overflow:hidden;position:relative;width:16%;width:calc(100%/6)}
.instagram-feed .item:hover{cursor:pointer}
.instagram-feed .item:hover .inside{background:#a60918;opacity:.6}
.instagram-feed .item:hover .mglass-white{animation-name:bounceInDown;opacity:1}
.instagram-feed img{max-width:100%}
.instagram-feed .mglass-white{opacity:0;height:30px;margin:0 auto;position:relative;transition:opacity 1000ms;width:30px}
.instagram-feed .inside{transition:background-color 500ms,opacity 500ms}
.instagram-popup{border-bottom-left-radius:10px;border-bottom-right-radius:10px;max-width:640px;overflow:hidden;width:100%}
.instagram-popup img{max-width:100%}
.instagram-popup .std{border-top:5px solid #a60918;padding:10px}
@media(max-width:1600px){
	.instagram-feed .item{width:20%}}
@media(max-width:1280px){
    .instagram-feed .item{width:25%}}
@media(max-width:960px){
    .instagram-feed .item{width:33%;width:calc(100%/3)}}
@media(max-width:640px){
    .instagram-feed .item{width:50%}}
@media(max-width:500px){	
    .instagram-feed .item{float:none;margin:0 auto;width:320px}}

006-List.php

<?php
/**
 * Provides helper methods for HTML lists.
 *
 * @category    FirstScribe
 * @package     FirstScribe_Trait
 * @author      Darren D Felton <[email protected]>
 */
trait FirstScribe_Trait_Utilities_Html_List
{
    /**
     * Return a string of CSS class names
     *
     * @param int $i                               REQUIRED; Current iteration
     * @param int $j                               REQUIRED; Total iterations
     * @param object|int|string $item              OPTIONAL; Object model or id of the item
     * @param string $name                         OPTIONAL; CSS class name to use for items
     * @param int $cols                            OPTIONAL; Max column CSS class names
     * @param array|string $additional             OPTIONAL; Additional CSS class names desired for every item
     * @return string
     */
    public function getListClass($i, $j, $item = null, $name = 'item', $cols = 0, $additional = array())
    {
        $class = array($name, $name.'-'.$i);

        if (is_object($item) && method_exists($item, 'getId')) {
            $class[] = $name.'-id-'.$item->getId();

        } elseif (is_string($item) || is_int($item)) {
            $class[] = $name.'-id-'.$item;
        }

        $class[] = $i% 2 ? 'odd' : 'even';

        for ($k=3; $k <= $cols; $k++) {
            if (0 == ($i-1) % $k || 1 == $i) {
                $class[] = 'col'.$k.'-start';

            } elseif (0 == $i % $k) {
                $class[] = 'col'.$k.'-end';
            }
        }

        if (1 == $i)  $class[] = 'first';
        if ($j == $i) $class[] = 'last';

        if (is_string($additional)) {
            $additional = array($additional);
        }

        $class = array_merge($class, $additional);

        return implode(' ', $class);
    }
}

3-Feed.php

<?php
/**
 * Instagram Feed
 *
 * @category    FirstScribe
 * @package     FirstScribe_Client
 * @author      Darren D Felton <[email protected]>
 */
class FirstScribe_Client_Block_Instagram_Feed extends Mage_Core_Block_Template
{
    use FirstScribe_Trait_Utilities_Html_List;
	
    // Response codes from Instagram
    const META_CODE_INVALID_ACCESS_TOKEN = 400;
    const META_CODE_OK                   = 200;

    /**
     * @var array
     */
    protected $_feed;

    /**
     * @var FirstScribe_Client_Helper_Instagram
     */
    protected $_helper;

    public function getFeed()
    {
        if (is_null($this->_feed)) {
            $this->initFeed();
        }
        return $this->_feed;
    }

    /**
     * Initialize the instagram feed.
     */
    protected function initFeed()
    {
        $json = file_get_contents($this->getFeedUrl());
        if (false === $json) {
            $this->logException('Failed to load feed contents.');
            $this->_feed = array();
            return;
        }
        $object = json_decode($json);
        switch ($object->meta->code) {
            case self::META_CODE_OK:
                $this->_feed = $this->parseFeed($object->data);
                break;

            case self::META_CODE_INVALID_ACCESS_TOKEN:
                $this->logException('Invalid Instagram access_token.');
                $this->_feed = array();
                break;

            default:
                $this->logException('Unknown response meta code:'.$object->meta->code);
                $this->_feed = array();
                break;
        }
        return $this;
    }

    /**
     * Parse the Instagram feed into a friendly array
     *
     * @param array $items
     * @return array
     */
    protected function parseFeed(array $items)
    {
    	/* @var $item stdClass */
    	$feed = array();
    	foreach ($items as $item) {
    		// Only images are handled at this point.
    		if ($item->type != 'image') {
    			continue;
    		}
    		$data = array(
    		    'id' => $item->id,
    			'image_preview' => $item->images->low_resolution->url,
    			'image_full'    => $item->images->standard_resolution->url,
    			'link'          => $item->link,
    			'caption'       => $item->caption->text
    		);
    		$feed[] = new Varien_Object($data);
    	}
    	return $feed;
    }

    /**
     * Log an exception message
     *
     * @param string $message
     * @return FirstScribe_Client_Block_Instagram_Feed
     */
    protected function logException($message)
    {
        try {
            Mage::throwException('Invalid Instagram access_token.');
        } catch (Exception $e) {
            Mage::logException($e);
        }
        return $this;
    }

    /**
     * Return the URL for the Instagram feed, including all parameters for it.
     *
     * @return string
     */
    public function getFeedUrl()
    {
        return 'https://api.instagram.com/v1/users/'.$this->getUserId()
            .'/media/recent/?access_token='.$this->getAccessToken()
            .'&count='.$this->getPhotoCount();
    }

    /**
     * Return the client's access token.
     *
     * @return string
     */
    public function getAccessToken()
    {
        return $this->getInstagramHelper()->getAccessToken();
    }

    /**
     * Return the client's user id.
     *
     * @return string
     */
    public function getUserId()
    {
        return $this->getInstagramHelper()->getUserId();
    }

    /**
     * Return the photo count for the feed.
     *
     * @return string
     */
    public function getPhotoCount()
    {
        return $this->getInstagramHelper()->getPhotoCount();
    }

    /**
     * @return FirstScribe_Client_Helper_Instagram
     */
    public function getInstagramHelper()
    {
        if (!$this->_helper) {
            $this->_helper = $this->helper('firstscribe_client/instagram');
        }
        return $this->_helper;
    }
    
    protected function _prepareLayout()
    {
    	parent::_prepareLayout();
    	$this->setData('cache_lifetime', '21600'); // 6 hours
    	return $this;
    }
    
    protected function _toHtml()
    {
    	return $this->getFeed() ? parent::_toHtml() : '';
    }
    
}