214 lines
7.9 KiB
PHP
214 lines
7.9 KiB
PHP
<?php
|
|
|
|
/**
|
|
* @file
|
|
* Processor functions for the aggregator module.
|
|
*/
|
|
|
|
/**
|
|
* Implements hook_aggregator_process_info().
|
|
*/
|
|
function aggregator_aggregator_process_info() {
|
|
return array(
|
|
'title' => t('Default processor'),
|
|
'description' => t('Creates lightweight records from feed items.'),
|
|
);
|
|
}
|
|
|
|
/**
|
|
* Implements hook_aggregator_process().
|
|
*/
|
|
function aggregator_aggregator_process($feed) {
|
|
if (is_object($feed)) {
|
|
if (is_array($feed->items)) {
|
|
foreach ($feed->items as $item) {
|
|
// Save this item. Try to avoid duplicate entries as much as possible. If
|
|
// we find a duplicate entry, we resolve it and pass along its ID is such
|
|
// that we can update it if needed.
|
|
if (!empty($item['guid'])) {
|
|
$entry = db_query("SELECT iid, timestamp FROM {aggregator_item} WHERE fid = :fid AND guid = :guid", array(':fid' => $feed->fid, ':guid' => $item['guid']))->fetchObject();
|
|
}
|
|
elseif ($item['link'] && $item['link'] != $feed->link && $item['link'] != $feed->url) {
|
|
$entry = db_query("SELECT iid, timestamp FROM {aggregator_item} WHERE fid = :fid AND link = :link", array(':fid' => $feed->fid, ':link' => $item['link']))->fetchObject();
|
|
}
|
|
else {
|
|
$entry = db_query("SELECT iid, timestamp FROM {aggregator_item} WHERE fid = :fid AND title = :title", array(':fid' => $feed->fid, ':title' => $item['title']))->fetchObject();
|
|
}
|
|
if (!$item['timestamp']) {
|
|
$item['timestamp'] = isset($entry->timestamp) ? $entry->timestamp : REQUEST_TIME;
|
|
}
|
|
|
|
// Make sure the item title and author fit in the 255 varchar column.
|
|
$item['title'] = truncate_utf8($item['title'], 255, TRUE, TRUE);
|
|
$item['author'] = truncate_utf8($item['author'], 255, TRUE, TRUE);
|
|
aggregator_save_item(array('iid' => (isset($entry->iid) ? $entry->iid : ''), 'fid' => $feed->fid, 'timestamp' => $item['timestamp'], 'title' => $item['title'], 'link' => $item['link'], 'author' => $item['author'], 'description' => $item['description'], 'guid' => $item['guid']));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implements hook_aggregator_remove().
|
|
*/
|
|
function aggregator_aggregator_remove($feed) {
|
|
$iids = db_query('SELECT iid FROM {aggregator_item} WHERE fid = :fid', array(':fid' => $feed->fid))->fetchCol();
|
|
if ($iids) {
|
|
db_delete('aggregator_category_item')
|
|
->condition('iid', $iids, 'IN')
|
|
->execute();
|
|
}
|
|
db_delete('aggregator_item')
|
|
->condition('fid', $feed->fid)
|
|
->execute();
|
|
|
|
drupal_set_message(t('The news items from %site have been removed.', array('%site' => $feed->title)));
|
|
}
|
|
|
|
/**
|
|
* Implements hook_form_aggregator_admin_form_alter().
|
|
*
|
|
* Form alter aggregator module's own form to keep processor functionality
|
|
* separate from aggregator API functionality.
|
|
*/
|
|
function aggregator_form_aggregator_admin_form_alter(&$form, $form_state) {
|
|
if (in_array('aggregator', variable_get('aggregator_processors', array('aggregator')))) {
|
|
$info = module_invoke('aggregator', 'aggregator_process_info');
|
|
$items = drupal_map_assoc(array(3, 5, 10, 15, 20, 25), '_aggregator_items');
|
|
$period = drupal_map_assoc(array(3600, 10800, 21600, 32400, 43200, 86400, 172800, 259200, 604800, 1209600, 2419200, 4838400, 9676800), 'format_interval');
|
|
$period[AGGREGATOR_CLEAR_NEVER] = t('Never');
|
|
|
|
// Only wrap into a collapsible fieldset if there is a basic configuration.
|
|
if (isset($form['basic_conf'])) {
|
|
$form['modules']['aggregator'] = array(
|
|
'#type' => 'fieldset',
|
|
'#title' => t('Default processor settings'),
|
|
'#description' => $info['description'],
|
|
'#collapsible' => TRUE,
|
|
'#collapsed' => !in_array('aggregator', variable_get('aggregator_processors', array('aggregator'))),
|
|
);
|
|
}
|
|
else {
|
|
$form['modules']['aggregator'] = array();
|
|
}
|
|
|
|
$form['modules']['aggregator']['aggregator_summary_items'] = array(
|
|
'#type' => 'select',
|
|
'#title' => t('Number of items shown in listing pages'),
|
|
'#default_value' => variable_get('aggregator_summary_items', 3),
|
|
'#empty_value' => 0,
|
|
'#options' => $items,
|
|
);
|
|
|
|
$form['modules']['aggregator']['aggregator_clear'] = array(
|
|
'#type' => 'select',
|
|
'#title' => t('Discard items older than'),
|
|
'#default_value' => variable_get('aggregator_clear', 9676800),
|
|
'#options' => $period,
|
|
'#description' => t('Requires a correctly configured <a href="@cron">cron maintenance task</a>.', array('@cron' => url('admin/reports/status'))),
|
|
);
|
|
|
|
$form['modules']['aggregator']['aggregator_category_selector'] = array(
|
|
'#type' => 'radios',
|
|
'#title' => t('Select categories using'),
|
|
'#default_value' => variable_get('aggregator_category_selector', 'checkboxes'),
|
|
'#options' => array('checkboxes' => t('checkboxes'),
|
|
'select' => t('multiple selector')),
|
|
'#description' => t('For a small number of categories, checkboxes are easier to use, while a multiple selector works well with large numbers of categories.'),
|
|
);
|
|
$form['modules']['aggregator']['aggregator_teaser_length'] = array(
|
|
'#type' => 'select',
|
|
'#title' => t('Length of trimmed description'),
|
|
'#default_value' => variable_get('aggregator_teaser_length', 600),
|
|
'#options' => drupal_map_assoc(array(0, 200, 400, 600, 800, 1000, 1200, 1400, 1600, 1800, 2000), '_aggregator_characters'),
|
|
'#description' => t("The maximum number of characters used in the trimmed version of content.")
|
|
);
|
|
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates display text for teaser length option values.
|
|
*
|
|
* Callback for drupal_map_assoc() within
|
|
* aggregator_form_aggregator_admin_form_alter().
|
|
*
|
|
* @param $length
|
|
* The desired length of teaser text, in bytes.
|
|
*
|
|
* @return
|
|
* A translated string explaining the teaser string length.
|
|
*/
|
|
function _aggregator_characters($length) {
|
|
return ($length == 0) ? t('Unlimited') : format_plural($length, '1 character', '@count characters');
|
|
}
|
|
|
|
/**
|
|
* Adds/edits/deletes an aggregator item.
|
|
*
|
|
* @param $edit
|
|
* An associative array describing the item to be added/edited/deleted.
|
|
*/
|
|
function aggregator_save_item($edit) {
|
|
if ($edit['title'] && empty($edit['iid'])) {
|
|
$edit['iid'] = db_insert('aggregator_item')
|
|
->fields(array(
|
|
'title' => $edit['title'],
|
|
'link' => $edit['link'],
|
|
'author' => $edit['author'],
|
|
'description' => $edit['description'],
|
|
'guid' => $edit['guid'],
|
|
'timestamp' => $edit['timestamp'],
|
|
'fid' => $edit['fid'],
|
|
))
|
|
->execute();
|
|
}
|
|
if ($edit['iid'] && !$edit['title']) {
|
|
db_delete('aggregator_item')
|
|
->condition('iid', $edit['iid'])
|
|
->execute();
|
|
db_delete('aggregator_category_item')
|
|
->condition('iid', $edit['iid'])
|
|
->execute();
|
|
}
|
|
elseif ($edit['title'] && $edit['link']) {
|
|
// file the items in the categories indicated by the feed
|
|
$result = db_query('SELECT cid FROM {aggregator_category_feed} WHERE fid = :fid', array(':fid' => $edit['fid']));
|
|
foreach ($result as $category) {
|
|
db_merge('aggregator_category_item')
|
|
->key(array(
|
|
'iid' => $edit['iid'],
|
|
'cid' => $category->cid,
|
|
))
|
|
->execute();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Expires items from a feed depending on expiration settings.
|
|
*
|
|
* @param $feed
|
|
* Object describing feed.
|
|
*/
|
|
function aggregator_expire($feed) {
|
|
$aggregator_clear = variable_get('aggregator_clear', 9676800);
|
|
|
|
if ($aggregator_clear != AGGREGATOR_CLEAR_NEVER) {
|
|
// Remove all items that are older than flush item timer.
|
|
$age = REQUEST_TIME - $aggregator_clear;
|
|
$iids = db_query('SELECT iid FROM {aggregator_item} WHERE fid = :fid AND timestamp < :timestamp', array(
|
|
':fid' => $feed->fid,
|
|
':timestamp' => $age,
|
|
))
|
|
->fetchCol();
|
|
if ($iids) {
|
|
db_delete('aggregator_category_item')
|
|
->condition('iid', $iids, 'IN')
|
|
->execute();
|
|
db_delete('aggregator_item')
|
|
->condition('iid', $iids, 'IN')
|
|
->execute();
|
|
}
|
|
}
|
|
}
|