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<?php
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function onthisday_menu () {
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$items[] = array('path' => 'onthisday/feed', 'callback' => 'onthisday_feed', 'access' => user_access('access onthisday feed'));
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$items[] = array('path' => 'onthisday', 'callback' => 'onthisday_page', 'access' => 'access onthisday page');
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return $items;
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}
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function onthisday_perm() {
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return array('access onthisday feed', 'access onthisday page');
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}
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function _onthisday_list($offset, $month = NULL, $day = NULL) {
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global $base_url;
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$year = date('Y');
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if (empty($month)) {
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$month = date('n');
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$day = date('j');
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}
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while ($offset > 0) {
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$year_ago = mktime(0, 0, 0, $month, $day, $year - $offset);
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$year_ago_plus = $year_ago + 86400;
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$result = db_query("SELECT nid, title FROM {node} WHERE status = 1 AND created > %d AND created < %d ORDER BY created ASC;", $year_ago, $year_ago_plus);
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while ($node = db_fetch_object($result)) {
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$items[$year-$offset][] = $node->nid;
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}
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$offset--;
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}
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return $items;
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}
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function _onthisday_block($offset, $month = NULL, $day = NULL) {
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if ($offset == -1) {
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$offset = _onthisday_maxyears();
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}
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foreach(_onthisday_list($offset, $month, $day) as $year => $nids) {
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$output .= '<h4>' . $year . '</h4>';
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$items = array();
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foreach($nids as $nid) {
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$n = node_load(array('nid' => $nid));
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$items[] = l($n->title, 'node/' . $n->nid, array('rel' => 'bookmark'), NULL, NULL, TRUE);
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}
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$output .= theme('item_list', $items);
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}
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return $output;
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}
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function _onthisday_maxyears() {
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$lowest_year = date('Y', db_result(db_query("SELECT MIN(created) from {node} WHERE status = 1;")));
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return date('Y') - $lowest_year;
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}
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function onthisday_block($op = 'list', $delta = 0, $edit = array()) {
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if ($op == 'list') {
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$blocks[0]['info'] = t('On This Day');
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$blocks[1]['info'] = t("Also Posted This Day in History");
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return $blocks;
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}
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else if ($op == 'configure') {
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$lowest_year = date('Y', db_result(db_query("SELECT MIN(created) from {node} WHERE status = 1;")));
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$highest_year = date('Y');
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$offsets = array(-1 => t('all previous years'));
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for ($x = $lowest_year; $x < $highest_year; $x++) {
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$offsets[$highest_year - $x] = $highest_year - $x;
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}
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$form['onthisday_years'] = array(
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'#type' => 'select',
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'#title' => t('Number of years ago'),
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'#default_value' => variable_get('onthisday_years', 1),
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'#options' => $offsets
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);
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$form['onthisday_more_link'] = array(
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'#type' => 'checkbox',
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'#title' => t('Add "more" link at bottom of block'),
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'#default_value' => variable_get('onthisday_more_link', 0),
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);
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return $form;
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}
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else if ($op == 'save') {
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variable_set('onthisday_years', $edit['onthisday_years']);
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variable_set('onthisday_more_link', $edit['onthisday_more_link']);
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}
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else if ($op == 'view') {
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$offset = variable_get('onthisday_years', 1);
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if ($offset > 1) {
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$plural = t('s');
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}
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switch ($delta) {
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case 0:
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$block['subject'] = t("On This Day");
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$block['content'] = _onthisday_block($offset);
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$block['content'] .= variable_get('onthisday_more_link', 0) == 1 ? '<div class="more-link">' . l(t('more'), 'onthisday' . date('/m/d')) . '</div>' : '';
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return $block;
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break;
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case 1:
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if (arg(0) == 'node' && is_numeric(arg(1)) && !arg(2)) {
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$node = node_load(arg(1));
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}
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if ($node->created && date('Y', $node->created) == date('Y')) {
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$month = date('n', $node->created);
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$day = date('j', $node->created);
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$block['subject'] = t("Also Posted This Day in History");
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$block['content'] = _onthisday_block($offset, $month, $day);
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$block['content'] .= variable_get('onthisday_more_link', 0) == 1 ? '<div class="onthisday-more-link">' . l(t('more'), 'onthisday') . '</div>' : '';
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return $block;
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}
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break;
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}
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}
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}
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function _onthisday_page($offset) {
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if ($offset == -1) {
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$offset = _onthisday_maxyears();
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}
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if (is_numeric(arg(1)) && is_numeric(arg(2))) {
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$nodes = _onthisday_list($offset, arg(1), arg(2));
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$thisday = ' - ' . date('F jS', mktime(0, 0, 0, arg(1), arg(2)));
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}
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else {
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$nodes = _onthisday_list($offset);
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}
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foreach ($nodes as $nids) {
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foreach ($nids as $nid) {
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$output .= node_view(node_load(array('nid' => $nid)), 1);
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}
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}
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drupal_set_title(t('On This Day' . $thisday));
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if (user_access('access onthisday feed')) {
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drupal_add_link(array('rel' => 'alternate',
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'type' => 'application/rss+xml',
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'title' => t('RSS'),
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'href' => url('onthisday/feed')));
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$output .= theme('xml_icon', url('onthisday/feed'));
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}
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print theme('page', $output);
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}
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function onthisday_page() {
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return _onthisday_page(variable_get('onthisday_years', 1), 'page');
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}
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function onthisday_feed() {
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global $base_url;
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$output = _onthisday_block(variable_get('onthisday_years', 1));
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drupal_set_header('Content-Type: text/xml; charset=utf-8');
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print '<';
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print '?xml version="1.0"?>';
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print '<rss version="2.0">';
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$item = '<item><title>' . t('On This Day') . t(' for ') . date('F jS, Y') . '</title>' .
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'<link>' . $base_url . '/' . url('onthisday') . '/' . date('Y') . '/' . date('m') . '/' . date('d') . '</link>' .
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'<description>' . htmlspecialchars($output) . '</description></item>';
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print format_rss_channel(t('On This Day') . ' at ' . variable_get('site_name', drupal), $base_url . '/' . url('onthisday'), '', $item);
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print "</rss>";
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}
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function onthisday_views_handler($op) {
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switch $op {
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case 'filter':
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break;
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}
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}
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function onthisday_views_arguments($op, &$query, $a1, $a2 = null) {
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$arguments['onthisday_month'] = array('name' => 'On This Day: Month', 'help' => '', 'handler' => 'onthisday_views_handler_month');
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$arguments['onthisday_day'] = array('name' => 'On This Day: Day', 'help' => '', 'handler' => 'onthisday_views_hander_day');
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return $arguments;
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}
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?>
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