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CafePress Box
This class will display a random product from your CafePress store. You can supply a simple template to control style, and have the output link directly to the shown product or simply to your main account. You can cache the results so you don't have to connect to the CafePress website all the time. Images can also be cached locally, and can be resized before caching.
class.cafepressbox.php
The main class file. Please view the comments for any instructions on how to call the functions.
<?php
/**
* $Id: class.cafepressbox.php 52 2007-02-27 11:47:46Z Andrew $
*
* Description
*
* This class will display a random product from your CafePress store.
* You can supply a simple template to control style, and have the
* output link directly to the shown product or simply to your main
* account. You can cache the results so you don't have to connect to
* the CafePress website all the time. Images can be cached and work
* on the same time length as the product list caching. Images can
* also be resized as desired before saved into the cache.
*
* This has only been tested with the free accounts from CafePress,
* and requires PHP 4.1.0+. It has not been tested on PHP5.
*
* CafePress.com is copyright 1999-2006 CafePress.com.
*
* Author
*
* Andrew Collington <php@amnuts.com> <http://php.amnuts.com/>
*
* Feedback
*
* There is message board at the following address:
*
* <http://php.amnuts.com/forums/>
*
* Please use that to post up any comments, questions, bug reports, etc. You
* can also use the board to show off your use of the script.
*
* Support
*
* If you like this script, or any of my others, then please take a moment
* to consider giving a donation. This will encourage me to make updates and
* create new scripts which I would make available to you. If you would like
* to donate anything, then there is a link from my website to PayPal.
*
* Example of use:
*
* $cp =& new cafePressBox('collingtons');
* $cp->setCacheDir('./cache');
* $cp->setCacheTime(86400);
* $cp->setCacheImages(true);
* $cp->setResizeCachedImages(120);
* $cp->displayItem(true);
*
* With a REALLY simple template and showing a specific product:
*
* $cp =& new cafePressBox('amnuts');
* $cp->setTemplate('<div style="text-align:center;">[IMG]<br />[TXT]</div>');
* $cp->displayItem(false, 947369);
*
* [IMG] is where the product image will be displayed
* [TXT] is where the product text will be displayed
*
* Example with using a category with a paid-for account:
*
* $cp = new cafePressBox('amnuts', '123456');
* $cp->displayItem(true);
*/
class cafePressBox
{
var $storeID;
var $categoryID;
var $products;
var $template;
var $cacheTime;
var $cacheDir;
var $cacheImages;
var $cpPattern;
var $resizeImage;
/**
* Constructor
*
* @return cafePressBox
* @param bool $id
* @param bool $category
* @access public
*/
function cafePressBox($id = false, $category = false)
{
$this->setStore($id, $category);
$this->products = array();
$this->setCacheTime();
$this->setCacheDir();
$this->setTemplate();
$this->setCacheImages();
$this->setResizeCachedImages();
}
/**
* Even though you can pass the store id in the constructor, you can use
* this function to change the store id.
*
* @return void
* @param string $id
* @param mixed $category
* @access public
*/
function setStore($id, $category = false)
{
$this->storeID = $id;
$this->categoryID = $category;
$this->products = array();
$this->setPattern();
}
/**
* Set the time out for the cache file. If you do not with the results to
* be cached, then set this to 0. Time length is in seconds.
*
* @return void
* @param int $len
* @access public
*/
function setCacheTime($len = 0)
{
$this->cacheTime = $len;
}
/**
* Assign the directory to where the cache file will be saved
*
* @return void
* @param string $dir Path of directory
* @access public
*/
function setCacheDir($dir = '.')
{
$this->cacheDir = $dir . ($dir[strlen($dir)-1] != '/' ? '/' : '');
}
/**
* Sets whether or not we should store images locally. Image caching is
* based on cache time.
*
* @return void
* @param bool $okay
* @access public
*/
function setCacheImages($okay = false)
{
$this->cacheImages = ($okay === true) ? true : false;
}
/**
* To resize cached images, set the width size with this function
*
* @return void
* @param int $size
* @access public
*/
function setResizeCachedImages($size = 0)
{
$this->resizeImage = ($size > 0) ? $size : false;
}
/**
* The pattern string to find the products. This is likely to change
* if/when CafePress update their output.
*
* @return void
* @param string $pattern
* @access public
*/
function setPattern($pattern = '')
{
if ($pattern == '') {
$this->cpPattern = '<a href="/'.$this->storeID.'\.(\d+)"><img .*?alt="([^\"]*)" src="([^"]*)"></a>.*?<a href="/'.$this->storeID.'\.(\d+)">(.*?)</a><br>\$([^<]*)';
} else {
$this->cpPattern = $pattern;
}
}
/**
* Set the display template.
*
* You can pass a string which has some special place holders. These
* place holders will then be replaced with the output from the
* displayItem function. The place holders are:
*
* o [IMG] = the image
* o [TXT] = the text
*
* @return void
* @param string $template
* @access public
*/
function setTemplate($template = '')
{
static $default = '<div style="text-align:center;width:150px;border:1px dashed black;font-family:Verdana, Arial, sans-serif;font-size:11px;text-decoration:none;"><div style="margin-top:5px;">[IMG]</div><br /><p style="margin:10px;">[TXT]</p></div>';
if ($template == '' || (!strstr($template, '[IMG]') || !strstr($template, '[TXT]'))) {
$this->template = $default;
} else {
$this->template = $template;
}
}
/**
* Display a random image from those in your inventory.
*
* @return void
* @param bool $link_to_product If true then add link directly to product information.
* @param int $id Use this to display a particular product. If the product is not listed then a random one will be chosen.
* @access public
*/
function displayItem($link_to_product = false, $id = false)
{
$got = false;
$txt = $img = '';
// get products
if (empty($this->products)) {
$got = $this->_getProducts();
}
// if no products now, we couldn't get any
if (empty($this->products)) {
if (!$got) {
$txt = 'could not connect';
} else {
$txt = 'no products found';
}
} else {
if (!$id || !array_key_exists($id, $this->products)) {
$id = array_rand($this->products);
}
$img .= '<a href="http://www.cafepress.com/' . $this->storeID . ($link_to_product ? ".$id" : '/') . '">';
if ($this->cacheImages && @file_exists("{$this->cacheDir}{$this->products[$id]['image']}.jpg")) {
$sizes = getimagesize("{$this->cacheDir}{$this->products[$id]['image']}.jpg");
$img .= '<img src="' . $this->cacheDir . $this->products[$id]['image'] . '.jpg" ' . $sizes[3] . ' border="0" title="' . $this->products[$id]['description'] . '" />';
} else {
$img .= '<img src="' . $this->products[$id]['image_url'] . '" height="150" width="150" border="0" title="' . $this->products[$id]['description'] . '" />';
}
$img .= "</a>\n";
if ($link_to_product) {
$product = '<a href="http://www.cafepress.com/' . $this->storeID . ".$id\">" . strtolower($this->products[$id]['description']) . '</a>';
} else {
$product = strtolower($this->products[$id]['description']);
}
$txt = 'Check out our ' . $product . ' and other great products at <a href="http://www.cafepress.com/' . $this->storeID . '/">Cafe Press</a>';
}
echo str_replace('[TXT]', $txt, str_replace('[IMG]', $img, $this->template));
}
/**
* Saves parsed results to a cache file
*
* @return bool
* @access private
*/
function _saveCache()
{
$cache_file = $this->cacheDir . 'cache.' . $this->storeID;
if ($this->categoryID) {
$cache_file .= '-' . $this->categoryID;
}
if (is_dir($this->cacheDir)) {
$fp = fopen($cache_file, 'w');
if ($fp) {
fwrite($fp, serialize($this->products));
fclose($fp);
return true;
} else {
return false;
}
}
return false;
}
/**
* Get the product information either from cache file or from CafePress website.
*
* @return bool Success of getting product list
* @access private
*/
function _getProducts()
{
$this->products = array();
$cache_file = $this->cacheDir . 'cache.' . $this->storeID;
if ($this->categoryID) {
$cache_file .= '-' . $this->categoryID;
}
if ($this->cacheTime && file_exists($cache_file) && ((time() - @filemtime($cache_file)) < $this->cacheTime)) {
$this->products = @unserialize(@join('', @file($cache_file)));
}
if (empty($this->products)) {
// connect to the website
if ($this->categoryID === false) {
$reqheader = "GET /cp/store.aspx?s={$this->storeID} HTTP/1.0\r\nHost: www.cafepress.com\r\nUser-Agent: RandomProduct\r\n\r\n";
} else {
$reqheader = "GET /cp/store.aspx?s={$this->storeID}.{$this->categoryID} HTTP/1.0\r\nHost: www.cafepress.com\r\nUser-Agent: RandomProduct\r\n\r\n";
}
$errno = 0;
$errstr = '';
$socket = fsockopen('www.cafepress.com', 80, $errno, $errstr, 60);
// we have the socket open
if ($socket) {
fputs($socket, $reqheader);
while (!feof($socket)) {
$line = fgets($socket, 4096);
$matches = array();
if (preg_match("|{$this->cpPattern}|i", $line, $matches)) {
$this->products[$matches[1]]['description'] = trim($matches[2]);
$this->products[$matches[1]]['image'] = trim(basename($matches[3]));
$this->products[$matches[1]]['image_url'] = trim($matches[3]);
$this->products[$matches[1]]['price'] = "{$matches[6]}}";
}
}
fclose($socket);
if ($this->cacheTime) {
$this->_saveCache();
}
if ($this->cacheImages && $this->cacheTime && is_dir($this->cacheDir)) {
// as we're caching, grab the files too
foreach($this->products as $product) {
set_time_limit(120);
$data = '';
$fp = @fopen($product['image_url'], 'r');
if ($fp) {
while (!feof($fp)) {
$data .= fgets($fp, 4096);
}
fclose($fp);
$this->_saveImage($product['image'], $data);
}
}
}
} else {
// there was a problem
return false;
}
}
return true;
}
/**
* Saves image to a file
*
* @return bool
* @param string $name file name of image
* @param string $data image data
* @access private
*/
function _saveImage($name, $data)
{
if (is_dir($this->cacheDir)) {
$fp = @fopen($this->cacheDir.$name.'.jpg', 'w');
if ($fp) {
fwrite($fp, $data);
fclose($fp);
if ($this->resizeImage) {
$this->_doImageResize($this->cacheDir.$name.'.jpg');
}
return true;
} else {
return false;
}
}
return false;
}
/**
* Resize an image based on class variable resizeImage
*
* @return void
* @param string $filename
* @access private
*/
function _doImageResize($filename)
{
$sizes = array();
$sizes = @getimagesize($filename);
if ($sizes[0] != $this->resizeImage) {
$imIn = imagecreatefromjpeg($filename);
$height = $sizes[1] / ($sizes[0] / $this->resizeImage);
if ($this->_isTrueColourSupported()) {
$imOut = imagecreatetruecolor($this->resizeImage, $height);
if ($imOut) {
imagecopyresampled($imOut, $imIn, 0, 0, 0, 0, $this->resizeImage, $height, $sizes[0], $sizes[1]);
}
} else {
$imOut = @imagecreate($this->resizeImage, $height);
if ($imOut) {
@imagecopy($imOut, $imIn, 0, 0, 0, 0, $this->resizeImage, $height, $sizes[0], $sizes[1]);
}
}
if ($imOut) {
imagejpeg($imOut, $filename, 100);
imagedestroy($imIn);
imagedestroy($imOut);
}
}
}
/**
* Can we generate a true colour image
*
* Sometimes a check for the GD version like this:
*
* (function_exists('imagecreatetruecolor')) ? 2 : 1;
*
* can fail. This method retrieves the GD information based on what PHP
* reports to be installed.
*
* @return bool
* @access private
*/
function _isTrueColourSupported()
{
if (function_exists('gd_info')) {
$gdi = array();
$gdi = gd_info();
if (preg_match('/^(bundled|2)/', $gdi['GD Version'])) {
return true;
}
} else {
$buffer = $line = '';
ob_start();
phpinfo();
$buffer = ob_get_contents();
ob_end_clean();
foreach (explode("\n", $buffer) as $line) {
$line = array_map('trim', (explode('|', strip_tags(str_replace('</td>', '|', $line)))));
if ('gd version' == strtolower($line[0]) && preg_match('/^(bundled|2)/', $line[1])) {
return true;
}
}
}
return false;
}
}
?>
14.41kb in size
last modified Mar 20, 2007 at 9:52am
7909 views, 8137 downloads
test.cafepressbox.php
A test script so you can see how easy it is to use.
1.79kb in size
last modified May 6, 2006 at 1:54pm
6034 views, 6216 downloads
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