diff options
Diffstat (limited to 'modules/aggregator/aggregator.pages.inc')
-rw-r--r-- | modules/aggregator/aggregator.pages.inc | 381 |
1 files changed, 381 insertions, 0 deletions
diff --git a/modules/aggregator/aggregator.pages.inc b/modules/aggregator/aggregator.pages.inc new file mode 100644 index 000000000..b5c3fb66c --- /dev/null +++ b/modules/aggregator/aggregator.pages.inc @@ -0,0 +1,381 @@ +<?php +// $Id$ + +/** + * @file + * User page callbacks for the aggregator module. + */ + +/** + * Menu callback; displays the most recent items gathered from any feed. + */ +function aggregator_page_last() { + drupal_add_feed(url('aggregator/rss'), variable_get('site_name', 'Drupal') .' '. t('aggregator')); + + return _aggregator_page_list('SELECT i.*, f.title AS ftitle, f.link AS flink FROM {aggregator_item} i INNER JOIN {aggregator_feed} f ON i.fid = f.fid ORDER BY i.timestamp DESC, i.iid DESC', arg(1)); +} + +/** + * Menu callback; displays all the items captured from a particular feed. + */ +function aggregator_page_source($arg1, $arg2 = NULL) { + // If there are two arguments then this function is the categorize form, and + // $arg1 is $form_state and $arg2 is $feed. Otherwise, $arg1 is $feed. + $feed = is_array($arg2) ? $arg2 : $arg1; + $feed = (object)$feed; + drupal_set_title(check_plain($feed->title)); + $info = theme('aggregator_feed', $feed); + + return _aggregator_page_list('SELECT * FROM {aggregator_item} WHERE fid = '. $feed->fid .' ORDER BY timestamp DESC, iid DESC', arg(3), $info); +} + +/** + * Menu callback; displays all the items aggregated in a particular category. + */ +function aggregator_page_category($arg1, $arg2 = NULL) { + // If there are two arguments then we are called as a form, $arg1 is + // $form_state and $arg2 is $category. Otherwise, $arg1 is $category. + $category = is_array($arg2) ? $arg2 : $arg1; + + drupal_add_feed(url('aggregator/rss/'. $category['cid']), variable_get('site_name', 'Drupal') .' '. t('aggregator - @title', array('@title' => $category['title']))); + + // It is safe to include the cid in the query because it's loaded from the + // database by aggregator_category_load. + return _aggregator_page_list('SELECT i.*, f.title AS ftitle, f.link AS flink FROM {aggregator_category_item} c LEFT JOIN {aggregator_item} i ON c.iid = i.iid LEFT JOIN {aggregator_feed} f ON i.fid = f.fid WHERE cid = '. $category['cid'] .' ORDER BY timestamp DESC, i.iid DESC', arg(3)); +} + +/** + * Prints an aggregator page listing a number of feed items. Various + * menu callbacks use this function to print their feeds. + * + */ +function _aggregator_page_list($sql, $op, $header = '') { + $categorize = (user_access('administer news feeds') && ($op == 'categorize')); + $form = aggregator_page_list($sql, $header, $categorize); + if ($categorize) { + return $form; + } + else { + $output = '<div id="aggregator">'; + $output .= $header; + foreach ($form['items'] as $item) { + $output .= $item['#value']; + } + $output .= '</div>'; + $output .= $form['pager']['#value']; + if (isset($form['feed_icon']['#value'])) { + $output .= $form['feed_icon']['#value']; + } + return $output; + } +} + +/** + * Form builder; build the page list form. + * + * @ingroup forms + * @see aggregator_page_list_validate(). + * @see aggregator_page_list_submit(). + */ +function aggregator_page_list($sql, $header, $categorize) { + $form['#submit'][] = 'aggregator_page_list_submit'; + $form['#validate'][] = 'aggregator_page_list_validate'; + $form['#theme'] = 'aggregator_page_list'; + $form['header'] = array('#value' => $header); + $result = pager_query($sql, 20); + $categories = array(); + $done = FALSE; + $form['items'] = array(); + $form['categories'] = array('#tree' => TRUE); + while ($item = db_fetch_object($result)) { + $form['items'][$item->iid] = array('#value' => theme('aggregator_page_item', $item)); + $form['categories'][$item->iid] = array(); + if ($categorize) { + $categories_result = db_query('SELECT c.cid, c.title, ci.iid FROM {aggregator_category} c LEFT JOIN {aggregator_category_item} ci ON c.cid = ci.cid AND ci.iid = %d', $item->iid); + $selected = array(); + while ($category = db_fetch_object($categories_result)) { + if (!$done) { + $categories[$category->cid] = check_plain($category->title); + } + if ($category->iid) { + $selected[] = $category->cid; + } + } + $done = TRUE; + $form['categories'][$item->iid] = array( + '#type' => variable_get('aggregator_category_selector', 'checkboxes'), + '#default_value' => $selected, '#options' => $categories, + '#size' => 10, '#multiple' => TRUE + ); + } + } + $form['submit'] = array('#type' => 'submit', '#value' => t('Save categories')); + $form['pager'] = array('#value' => theme('pager', NULL, 20, 0)); + + return $form; +} + +function aggregator_page_list_validate($form_id, &$form) { + if (!user_access('administer news feeds')) { + form_error($form, t('You are not allowed to categorize this feed item.')); + } +} + +function aggregator_page_list_submit($form, &$form_state) { + foreach ($form_state['values']['categories'] as $iid => $selection) { + db_query('DELETE FROM {aggregator_category_item} WHERE iid = %d', $iid); + foreach ($selection as $cid) { + if ($cid) { + db_query('INSERT INTO {aggregator_category_item} (cid, iid) VALUES (%d, %d)', $cid, $iid); + } + } + } + drupal_set_message(t('The categories have been saved.')); +} + +/** + * Theme the page list form. + * + * @ingroup themeable + */ +function theme_aggregator_page_list($form) { + $output = '<div id="aggregator">'; + $output .= drupal_render($form['header']); + $rows = array(); + if ($form['items']) { + foreach (element_children($form['items']) as $key) { + if (is_array($form['items'][$key])) { + $rows[] = array(drupal_render($form['items'][$key]), array('data' => drupal_render($form['categories'][$key]), 'class' => 'categorize-item')); + } + } + } + $output .= theme('table', array('', t('Categorize')), $rows); + $output .= drupal_render($form['submit']); + $output .= '</div>'; + $output .= drupal_render($form); + return $output; +} + + +/** + * Format an individual feed item for display on the aggregator page. + * + * @ingroup themeable + */ +function theme_aggregator_page_item($item) { + + $source = ''; + if (isset($item->ftitle) && isset($item->fid)) { + $source = l($item->ftitle, "aggregator/sources/$item->fid", array('attributes' => array('class' => 'feed-item-source'))) . ' -'; + } + + if (date('Ymd', $item->timestamp) == date('Ymd')) { + $source_date = t('%ago ago', array('%ago' => format_interval(time() - $item->timestamp))); + } + else { + $source_date = format_date($item->timestamp, 'custom', variable_get('date_format_medium', 'D, m/d/Y - H:i')); + } + + $output = "<div class=\"feed-item\">\n"; + $output .= '<h3 class="feed-item-title"><a href="'. check_url($item->link) .'">'. check_plain($item->title) ."</a></h3>\n"; + $output .= "<div class=\"feed-item-meta\">$source <span class=\"feed-item-date\">$source_date</span></div>\n"; + + if ($item->description) { + $output .= '<div class="feed-item-body">'. aggregator_filter_xss($item->description) ."</div>\n"; + } + + $result = db_query('SELECT c.title, c.cid FROM {aggregator_category_item} ci LEFT JOIN {aggregator_category} c ON ci.cid = c.cid WHERE ci.iid = %d ORDER BY c.title', $item->iid); + $categories = array(); + while ($category = db_fetch_object($result)) { + $categories[] = l($category->title, 'aggregator/categories/'. $category->cid); + } + if ($categories) { + $output .= '<div class="feed-item-categories">'. t('Categories') .': '. implode(', ', $categories) ."</div>\n"; + } + + $output .= "</div>\n"; + + return $output; +} + +/** + * Menu callback; displays all the feeds used by the aggregator. + */ +function aggregator_page_sources() { + $result = db_query('SELECT f.fid, f.title, f.description, f.image, MAX(i.timestamp) AS last FROM {aggregator_feed} f LEFT JOIN {aggregator_item} i ON f.fid = i.fid GROUP BY f.fid, f.title, f.description, f.image ORDER BY last DESC, f.title'); + $output = "<div id=\"aggregator\">\n"; + while ($feed = db_fetch_object($result)) { + $output .= '<h2>'. check_plain($feed->title) ."</h2>\n"; + + // Most recent items: + $list = array(); + if (variable_get('aggregator_summary_items', 3)) { + $items = db_query_range('SELECT i.title, i.timestamp, i.link FROM {aggregator_item} i WHERE i.fid = %d ORDER BY i.timestamp DESC', $feed->fid, 0, variable_get('aggregator_summary_items', 3)); + while ($item = db_fetch_object($items)) { + $list[] = theme('aggregator_summary_item', $item); + } + } + $output .= theme('item_list', $list); + + $link['sources'] = array( + 'title' => t('More'), + 'href' => 'aggregator/sources/'. $feed->fid + ); + + $output .= '<div class="links">'. theme('links', $link) ."</div>\n"; + } + $output .= theme('feed_icon', url('aggregator/opml'), t('OPML feed')); + $output .= '</div>'; + return $output; +} + +/** + * Menu callback; displays all the categories used by the aggregator. + */ +function aggregator_page_categories() { + $result = db_query('SELECT c.cid, c.title, c.description FROM {aggregator_category} c LEFT JOIN {aggregator_category_item} ci ON c.cid = ci.cid LEFT JOIN {aggregator_item} i ON ci.iid = i.iid GROUP BY c.cid, c.title, c.description'); + $output = "<div id=\"aggregator\">\n"; + + while ($category = db_fetch_object($result)) { + $output .= '<h2>'. check_plain($category->title) ."</h2>\n"; + if (variable_get('aggregator_summary_items', 3)) { + $list = array(); + $items = db_query_range('SELECT i.title, i.timestamp, i.link, f.title as feed_title, f.link as feed_link FROM {aggregator_category_item} ci LEFT JOIN {aggregator_item} i ON i.iid = ci.iid LEFT JOIN {aggregator_feed} f ON i.fid = f.fid WHERE ci.cid = %d ORDER BY i.timestamp DESC', $category->cid, 0, variable_get('aggregator_summary_items', 3)); + while ($item = db_fetch_object($items)) { + $list[] = theme('aggregator_summary_item', $item); + } + $output .= theme('item_list', $list); + } + + $link['categories'] = array( + 'title' => t('More'), + 'href' => 'aggregator/categories/'. $category->cid + ); + + $output .= '<div class="links">'. theme('links', $link) ."</div>\n"; + } + + $output .= '</div>'; + + return $output; +} + +/** + * Menu callback; generate an RSS 0.92 feed of aggregator items or categories. + */ +function aggregator_page_rss() { + // arg(2) is the passed cid, only select for that category + $result = NULL; + if (arg(2)) { + $category = db_fetch_object(db_query('SELECT cid, title FROM {aggregator_category} WHERE cid = %d', arg(2))); + $url = '/categories/'. $category->cid; + $title = ' '. t('in category') .' '. $category->title; + $sql = 'SELECT i.*, f.title AS ftitle, f.link AS flink FROM {aggregator_category_item} c LEFT JOIN {aggregator_item} i ON c.iid = i.iid LEFT JOIN {aggregator_feed} f ON i.fid = f.fid WHERE cid = %d ORDER BY timestamp DESC, i.iid DESC'; + $result = db_query_range($sql, $category->cid, 0, variable_get('feed_default_items', 10)); + } + // or, get the default aggregator items + else { + $sql = 'SELECT i.*, f.title AS ftitle, f.link AS flink FROM {aggregator_item} i INNER JOIN {aggregator_feed} f ON i.fid = f.fid ORDER BY i.timestamp DESC, i.iid DESC'; + $result = db_query_range($sql, 0, variable_get('feed_default_items', 10)); + } + + while ($item = db_fetch_object($result)) { + switch (variable_get('feed_item_length', 'teaser')) { + case 'teaser': + $teaser = node_teaser($item->description); + if ($teaser != $item->description) { + $teaser .= '<p><a href="'. check_url($item->link) .'">'. t('read more') ."</a></p>\n"; + } + $item->description = $teaser; + break; + case 'title': + $item->description = ''; + break; + } + $items .= format_rss_item($item->ftitle .': '. $item->title, $item->link, $item->description, array('pubDate' => date('r', $item->timestamp))); + } + + $output .= "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"; + $output .= "<rss version=\"2.0\">\n"; + $output .= format_rss_channel(variable_get('site_name', 'Drupal') . ' ' . t('aggregator'), url('aggregator' . $url, array('absolute' => TRUE)), variable_get('site_name', 'Drupal') . ' - ' . t('aggregated feeds') . $title, $items); + $output .= "</rss>\n"; + + drupal_set_header('Content-Type: application/rss+xml; charset=utf-8'); + print $output; +} + +/** + * Menu callback; generates an OPML representation of all feeds. + */ +function aggregator_page_opml($cid = NULL) { + if ($cid) { + $result = db_query('SELECT f.title, f.url FROM {aggregator_feed} f LEFT JOIN {aggregator_category_feed} c on f.fid = c.fid WHERE c.cid = %d ORDER BY title', $cid); + } + else { + $result = db_query('SELECT * FROM {aggregator_feed} ORDER BY title'); + } + + $output = "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n"; + $output .= "<opml version=\"1.1\">\n"; + $output .= "<head>\n"; + $output .= '<title>'. check_plain(variable_get('site_name', 'Drupal')) ."</title>\n"; + $output .= '<dateModified>'. gmdate('r') ."</dateModified>\n"; + $output .= "</head>\n"; + $output .= "<body>\n"; + + while ($feed = db_fetch_object($result)) { + $output .= '<outline text="'. check_plain($feed->title) .'" xmlUrl="'. check_url($feed->url) ."\" />\n"; + } + + $output .= "</body>\n"; + $output .= "</opml>\n"; + + drupal_set_header('Content-Type: text/xml; charset=utf-8'); + print $output; +} + +/** + * Return a themed item heading for summary pages located at "aggregator/sources" + * and "aggregator/categories". + * + * @param $item The item object from the aggregator module. + * @return A string containing the output. + * + * @ingroup themeable + */ +function theme_aggregator_summary_item($item) { + $output = '<a href="'. check_url($item->link) .'">'. check_plain($item->title) .'</a> <span class="age">'. t('%age old', array('%age' => format_interval(time() - $item->timestamp))) .'</span>'; + if (!empty($item->feed_link)) { + $output .= ', <span class="source"><a href="'. check_url($item->feed_link) .'">'. check_plain($item->feed_title) .'</a></span>'; + } + return $output ."\n"; +} + +/** + * Format a news feed. + * + * @ingroup themeable + */ +function theme_aggregator_feed($feed) { + $output = '<div class="feed-source">'; + $output .= theme('feed_icon', $feed->url, t('!title feed', array('!title' => $feed->title))) ."\n"; + $output .= $feed->image; + $output .= '<div class="feed-description">'. aggregator_filter_xss($feed->description) ."</div>\n"; + $output .= '<div class="feed-url"><em>'. t('URL:') .'</em> '. l($feed->link, $feed->link, array('absolute' => TRUE)) ."</div>\n"; + + if ($feed->checked) { + $updated = t('@time ago', array('@time' => format_interval(time() - $feed->checked))); + } + else { + $updated = t('never'); + } + + if (user_access('administer news feeds')) { + $updated = l($updated, 'admin/content/aggregator'); + } + + $output .= '<div class="feed-updated"><em>'. t('Updated:') . "</em> $updated</div>"; + $output .= "</div>\n"; + + return $output; +} |