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| − | <?php
| + | {{svn|extensions|MarketResearch/MarketResearch.php}} |
| − | /**
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| − | * MarketResearch extension{{php}}{{Category:Extensions|MarketResearch}}
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| − | *
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| − | * Version 0.0.1 started 2008-07-12
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| − | *
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| − | * @package MediaWiki
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| − | * @subpackage Extensions
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| − | * @licence GNU General Public Licence 2.0 or later
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| − | */
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| − | | |
| − | if (!defined('MEDIAWIKI')) die('Not an entry point.');
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| − | | |
| − | define('MARKETRESEARCH_VERSION', '0.2.1, 2008-08-29');
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| − | | |
| − | $wgMarketResearchPartner = 'partnerid-not-set';
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| − | $wgMarketResearchSearch = 'http://www.marketresearch.com/feed/search_results.asp?bquery=$2&partnerid=$1';
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| − | $wgMarketResearchCart = 'http://www.marketresearch.com/feed/cart/addtocart.asp?partnerid=$1&ReturnURL=$2&productid=$3';
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| − | $wgMarketResearchExpiry = 600; # Number of seconds a cached entry should live for
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| − | $wgMarketResearchDescSize = 500; # Max characters to render of a description
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| − | | |
| − | # Extension credits that show up on Special:Version
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| − | $wgExtensionCredits['parserhook'][] = array(
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| − | 'name' => 'MarketResearch',
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| − | 'author' => '[http://www.organicdesign.co.nz/nad Nad] for [http://www.wikiexpert.com WikiExpert]',
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| − | 'url' => 'http://www.organicdesign.co.nz/Extension:MarketResearch',
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| − | 'description' => 'Display market research information'
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| − | );
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| − | | |
| − | $wgSpecialPages['MarketResearch'] = 'SpecialMarketResearch';
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| − | $wgExtensionFunctions[] = "wfSetupMarketResearch";
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| − | | |
| − | require_once "$IP/includes/SpecialPage.php";
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| − | | |
| − | /**
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| − | * The callback function for converting the input text to HTML output
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| − | */
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| − | function wfMarketResearchTag($input) {
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| − | global $wgTitle, $wgMarketResearchPartner, $wgMarketResearchSearch, $wgMarketResearchDescSize,
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| − | $wgMarketResearchCart, $wgMarketResearchTable, $wgMarketResearchExpiry;
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| − | | |
| − | # Add keywords and product id into feed URL
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| − | $keywords = preg_split('/[\x00-\x1f+,]+/', strtolower(trim($input)));
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| − | $search = str_replace('$1', $wgMarketResearchPartner, $wgMarketResearchSearch);
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| − | $search = str_replace('$2', join('+', $keywords), $search);
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| − | $keywords = join(',', $keywords);
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| − | $ts = time();
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| − | $db = &wfGetDB(DB_MASTER);
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| − | $return = urlencode($wgTitle->getFullURL());
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| − | $html = "";
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| − | | |
| − | # Remove expired items & attempt to read current item
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| − | $xml = false;
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| − | if ($wgMarketResearchTable) {
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| − | $db->delete($wgMarketResearchTable, array("mrc_time < ".($ts-$wgMarketResearchExpiry)), __FUNCTION__);
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| − | if ($row = $db->selectRow($wgMarketResearchTable, 'mrc_xml', "mrc_keywords = '$keywords'", __FUNCTION__))
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| − | $xml = $row->mrc_xml;
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| − | }
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| − | | |
| − | # If no XML yet, read from feed and store in cache
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| − | if ($xml === false) {
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| − | $xml = file_get_contents($search);
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| − | if ($wgMarketResearchTable) {
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| − | $row = array(
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| − | 'mrc_keywords' => $keywords,
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| − | 'mrc_time' => $ts,
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| − | 'mrc_xml' => $xml
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| − | );
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| − | $db->insert($wgMarketResearchTable, $row, __FUNCTION__);
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| − | }
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| − | }
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| − | | |
| − | # Read the feed into a DOM object
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| − | $doc = new DOMDocument();
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| − | $doc->loadXML($xml);
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| − | if (is_object($doc)) {
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| − | | |
| − | $jump = Title::makeTitle(NS_SPECIAL, 'MarketResearch');
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| − | | |
| − | # Loop through results
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| − | foreach ($doc->getElementsByTagName('RESULT') as $result) {
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| − |
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| − | # Title
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| − | foreach ($result->getElementsByTagName('TITLE') as $i) $title = $i->textContent;
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| − |
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| − | # Description
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| − | foreach ($result->getElementsByTagName('DESCRIPTION') as $i) $desc = $i->textContent;
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| − | if (strlen($desc) > 200) $desc = substr($desc, 0, $wgMarketResearchDescSize).'...';
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| − | | |
| − | # Cart links
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| − | $products = '<ul>';
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| − | foreach ($result->getElementsByTagName('BUY') as $i) {
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| − | $id = $i->getAttribute('id');
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| − | $products .= "<li><a href=\"".$jump->getLocalURL("k=$keywords&p=$id&r=$return")."\">".$i->textContent."</a></li>\n";
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| − | }
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| − | $products .= '</ul>';
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| − | | |
| − | # render this item
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| − | $html .= "<div class=\"marketresearch-item\">\n<h3>$title</h3>\n<p>$desc</p>\n$products\n</div>";
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| − | }
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| − | } else $html = 'no valid XML returned';
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| − | | |
| − | return "<div class=\"marketresearch\">$html</div>";
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| − | }
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| − | | |
| − | /**
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| − | * An unlisted special page used as the "jump page" to a product
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| − | */
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| − | class SpecialMarketResearch extends SpecialPage {
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| − | | |
| − | function __construct() {
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| − | SpecialPage::SpecialPage('MarketResearch', '', false, false, false, false);
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| − | }
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| − |
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| − | public function execute($param) {
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| − | global $wgOut, $wgParser, $wgRequest,
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| − | $wgMarketResearchTable, $wgMarketResearchPartner, $wgMarketResearchCart;
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| − |
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| − | $this->setHeaders();
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| − | $title = Title::makeTitle(NS_SPECIAL, 'MarketResearch');
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| − | $keywords = $wgRequest->getText('k');
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| − | $product = $wgRequest->getText('p');
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| − | $return = $wgRequest->getText('r');
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| − | | |
| − | # Read product from cache
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| − | if ($product) {
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| − | $db = &wfGetDB(DB_SLAVE);
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| − | | |
| − | if ($row = $db->selectRow($wgMarketResearchTable, 'mrc_xml', "mrc_keywords = '$keywords'", __FUNCTION__)) {
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| − | $doc = new DOMDocument();
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| − | $xml = $row->mrc_xml;
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| − | $doc->loadXML($xml);
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| − | } else $doc = false;
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| − | | |
| − | if (is_object($doc)) {
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| − | | |
| − | $cart = str_replace('$1', $wgMarketResearchPartner, $wgMarketResearchCart);
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| − | $cart = str_replace('$2', $return, $cart);
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| − |
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| − | # Loop through results
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| − | foreach ($doc->getElementsByTagName('RESULT') as $result) {
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| − | foreach ($result->getElementsByTagName('BUY') as $i) {
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| − | $id = $i->getAttribute('id');
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| − | if ($id === $product) {
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| − |
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| − | # This is our product (should have selected it with an XPath query)
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| − | | |
| − | # Title
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| − | foreach ($result->getElementsByTagName('TITLE') as $i) $title = $i->textContent;
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| − |
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| − | # Description
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| − | foreach ($result->getElementsByTagName('DESCRIPTION') as $i) $desc = $i->textContent;
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| − |
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| − | $wgOut->addWikiText("== $title ==\n");
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| − | $wgOut->addHTML($desc);
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| − |
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| − | # Add to cart
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| − | $buy = str_replace('$3', $id, $cart);
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| − | $wgOut->addWikiText("\n[$buy Add to cart]\n");
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| − | }
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| − | }
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| − | }
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| − | } else $wgOut->addWikiText('no valid XML returned');
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| − | }
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| − | else $wgOut->addWikiText('no product specified!');
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| − | | |
| − | }
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| − | }
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| − | | |
| − | /**
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| − | * Install the hook and special page
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| − | */
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| − | function wfSetupMarketResearch() {
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| − | global $wgParser, $wgRequest, $wgOut, $egSelenium, $wgLanguageCode, $wgMessageCache, $wgMarketResearchTable;
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| − | $wgParser->setHook("marketresearch", "wfMarketResearchTag");
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| − | | |
| − | # Create cache DB table if it doesn't exist
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| − | $db = &wfGetDB(DB_MASTER);
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| − | $wgMarketResearchTable = $db->tableName('MarketResearchCache');
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| − | if (!$db->tableExists($wgMarketResearchTable)) {
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| − | $query = "CREATE TABLE $wgMarketResearchTable (mrc_keywords TINYBLOB, mrc_time INTEGER NOT NULL, mrc_xml MEDIUMBLOB);";
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| − | $result = $db->query($query);
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| − | }
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| − | | |
| − | # If the table couldn't be created, disable IPN and add error to site notice
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| − | if (!$db->tableExists($wgMarketResearchTable)) {
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| − | global $wgSiteNotice;
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| − | $wgMarketResearchTable = false;
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| − | $wgSiteNotice = "<div class=\"errorbox\"><b>MarketResearch extension problem! Could not create database table, caching functionality is disabled.</b><br>Please ensure the wiki database user has CREATE permission, or add the table manually with the following query:<br><tt>$query</tt></div>";
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| − | }
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| − | | |
| − | # Add any messages
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| − | if ($wgLanguageCode == 'en') {
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| − | $wgMessageCache->addMessages(array(
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| − | 'marketresearch' => "Details on This Report"
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| − | ));
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| − | }
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| − | | |
| − | SpecialPage::addPage(new SpecialMarketResearch());
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| − | } | |
