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<?php
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/* $Id: aggregator2_autotaxonomy.module,v 1.8 2006/04/03 23:27:38 budda Exp $ */
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/*
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* Aggregator2 Autotaxonomy
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*
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* @file
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* Allows Aggregator2 RSS items with <category> tags to auto create Drupal taxonomy terms.
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* @author Mike Carter <mike@ixis.co.uk>
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*/
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/**
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* Implementation of hook_help().
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*/
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function aggregator2_autotaxonomy_help($section) {
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switch ($section) {
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case 'admin/modules#description':
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return t('Creates & assign taxonomy terms to RSS feed items from <category> tags.');
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case 'admin/settings/aggregator2_autotaxonomy':
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return '<p>' . t('If the %url include %category tag information
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to organise the items, then this module will automatically create the same category in the
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%taxurl so that you can organise your aggregated posts.', array('%taxurl' => l('taxonomy system', 'admin/taxonomy'), '%url' => l('RSS feeds you are aggregating', 'admin/aggregator2'), '%category' => theme('placeholder', '<category>')) ) . '</p>';
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}
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}
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function aggregator2_autotaxonomy_nodeapi(&$node, $op, $teaser = NULL, $page = NULL) {
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static $cat_names = array();
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if($node->type == 'aggregator2_item' && isset($node->rss_item_data)) {
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$vocab = variable_get('aggregator2_autotaxonomy_vocabulary', FALSE);
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if(!$vocab) {
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watchdog('aggregator2', t('No vocabulary has been set for autotaxonomy to use.'), WATCHDOG_WARNING, l('set', 'admin/settings/aggregator2_autotaxonomy'));
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return;
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}
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//[RSS:CATEGORY][][VALUE] && [RSS:CATEGORY][][DOMAIN] attrib
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//[ATOM:CATEGORY][][TERM][][VALUE]
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//[DC:SUBJECT][][VALUE]
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if ($node->rss_item_data['CATEGORY'][0]['VALUE']) $categories = $node->rss_item_data['CATEGORY']; // RSS 0.92, 2.0
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else if ($node->rss_item_data['CATEGORY'][0]['TERM'][0]['VALUE']) $categories = $node->rss_item_data['CATEGORY']; // ATOM 1.0
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else if ($node->rss_item_data['ATOM:CATEGORY'][0]['TERM'][0]['VALUE']) $categories = $node->rss_item_data['ATOM:CATEGORY']; // ATOM 1.0
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else if ($node->rss_item_data['SUBJECT']) $categories = $node->rss_item_data['SUBJECT']; // DublinCore
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else if ($node->rss_item_data['DC:SUBJECT']) $categories = $node->rss_item_data['DC:SUBJECT']; // DublinCore
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switch($op) {
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case 'insert':
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case 'update':
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// If the RSS item has any category tags, add new ones to taxonomy if needed
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if (count($categories) > 0) {
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if (!isset($node->taxonomy) || !is_array($node->taxonomy)) {
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$node->taxonomy = array();
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}
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foreach ($categories as $category_name) {
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if ($category_name['TERM']) { // ATOM 1.0
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$category_name = strtolower($category_name['TERM'][0]['VALUE']);
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}
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else { // RSS 0.92, RSS 2.0, DublinCore
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$category_name = strtolower($category_name['VALUE']);
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}
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if (trim($category_name) != '') {
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if (!isset($cat_names[$category_name])) {
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$cat_names[$category_name] = module_invoke('taxonomy', 'get_term_by_name', $category_name);
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}
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// Create a new category term
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if (count($cat_names[$category_name]) == 0) {
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$term = array();
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$term['name'] = $category_name;
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$term['description'] = t('Auto generated by aggregator2 autotaxonomy');
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$term['vid'] = $vocab;
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$term['weight'] = 0;
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$term = taxonomy_save_term($term);
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$node->taxonomy[] = $term['tid'];
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$cat_names[$category_name][0]->tid = $term['tid'];
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}
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else {
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// Use the existing category term in the database
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if (!in_array($cat_names[$category_name][0]->tid, $node->taxonomy)) {
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$node->taxonomy[] = $cat_names[$category_name][0]->tid;
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}
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}
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}
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}
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}
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break;
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}
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}
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}
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function aggregator2_autotaxonomy_settings() {
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$vocabs = db_query("SELECT v.vid, v.name FROM {vocabulary} v INNER JOIN {vocabulary_node_types} n ON v.vid = n.vid WHERE n.type = '%s' ORDER BY v.weight, v.name", 'aggregator2_item');
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// Build list of available vocabularies
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$options = array();
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while ($vocabulary = db_fetch_object($vocabs)) {
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$options[$vocabulary->vid] = $vocabulary->name;
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}
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if($options) {
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$form['aggregator2_autotaxonomy_vocabulary'] = array(
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'#type' => 'select',
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'#title' => t('Vocabulary'),
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'#default_value' => variable_get('aggregator2_autotaxonomy_vocabulary', ''),
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'#options' => $options,
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'#description' => t('Which vocabulary should the auto created category names be associated with?')
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);
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}
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else {
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$form['helptext'] = array('#value' => '<p>' . t("You need to associate a %url with the node type %node to use this module.
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If you don't have any vocabularies set-up you can %addurl now.",
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array('%url' => l('vocabulary', 'admin/taxonomy'),
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'%node' => theme('placeholder', 'feed item'),
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'%addurl' => l('add one', 'admin/taxonomy/add/vocabulary')
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)) . '</p>');
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}
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return $form;
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}
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