/**
* The AJAX function for the 'Fetch Feed Items' row action on the
* 'All Feed Sources' page.
*
* @since 3.3
*/
function wprss_fetch_feeds_action_hook()
{
if (isset($_POST['id']) && !empty($_POST['id'])) {
$id = $_POST['id'];
update_post_meta($id, 'wprss_force_next_fetch', '1');
// Prepare the schedule args
$schedule_args = array(strval($id));
// Get the current schedule - do nothing if not scheduled
$next_scheduled = wp_next_scheduled('wprss_fetch_single_feed_hook', $schedule_args);
if ($next_scheduled !== FALSE) {
// If scheduled, unschedule it
wp_unschedule_event($next_scheduled, 'wprss_fetch_single_feed_hook', $schedule_args);
// Get the interval option for the feed source
$interval = get_post_meta($id, 'wprss_update_interval', TRUE);
// if the feed source uses its own interval
if ($interval !== '' && $interval !== wprss_get_default_feed_source_update_interval()) {
// Add meta in feed source. This is used to notify the source that it needs to reschedule it
update_post_meta($id, 'wprss_reschedule_event', $next_scheduled);
}
}
// Schedule the event for 5 seconds from now
wp_schedule_single_event(time() + 1, 'wprss_fetch_single_feed_hook', $schedule_args);
die;
}
}
/**
* Renders the Feed Processing metabox
*
* @since 3.7
*/
function wprss_feed_processing_meta_box_callback()
{
global $post;
// Get the post meta
$state = get_post_meta($post->ID, 'wprss_state', TRUE);
$activate = get_post_meta($post->ID, 'wprss_activate_feed', TRUE);
$pause = get_post_meta($post->ID, 'wprss_pause_feed', TRUE);
$update_interval = get_post_meta($post->ID, 'wprss_update_interval', TRUE);
$age_limit = get_post_meta($post->ID, 'wprss_age_limit', FALSE);
$age_unit = get_post_meta($post->ID, 'wprss_age_unit', FALSE);
$age_limit = count($age_limit) === 0 ? wprss_get_general_setting('limit_feed_items_age') : $age_limit[0];
$age_unit = count($age_unit) === 0 ? wprss_get_general_setting('limit_feed_items_age_unit') : $age_unit[0];
// Set default strings for activate and pause times
$default_activate = 'immediately';
$default_pause = 'never';
// Prepare the states
$states = array('active' => __('Active', 'wprss'), 'paused' => __('Paused', 'wprss'));
// Prepare the schedules
$default_interval = __('Default', 'wprss');
$wprss_schedules = apply_filters('wprss_schedules', wprss_get_schedules());
$default_interval_key = wprss_get_default_feed_source_update_interval();
$schedules = array_merge(array($default_interval_key => array('display' => $default_interval, 'interval' => $default_interval)), $wprss_schedules);
?>
<div class="wprss-meta-side-setting">
<label for="wprss_state">Feed state:</label>
<select id="wprss_state" name="wprss_state">
<?php
foreach ($states as $value => $label) {
?>
<option value="<?php
echo $value;
?>
" <?php
selected($state, $value);
?>
><?php
echo $label;
?>
</option>
<?php
}
?>
</select>
</div>
<div class="wprss-meta-side-setting">
<p>
<label for="">Activate feed: </label>
<strong id="wprss-activate-feed-viewer"><?php
echo $activate !== '' ? $activate : $default_activate;
?>
</strong>
<a href="#">Edit</a>
</p>
<div class="wprss-meta-slider" data-collapse-viewer="wprss-activate-feed-viewer" data-default-value="<?php
echo $default_activate;
?>
">
<input id="wprss_activate_feed" class="wprss-datetimepicker-from-today" name="wprss_activate_feed" value="<?php
echo $activate;
?>
" />
<label class="description" for="wprss_activate_feed">
Leave blank to activate the feed immediately.
</label>
<br/><br/>
<span class="description">
<b>Note:</b> WordPress uses UTC time for schedules, not local time. Current UTC time is: <code><?php
echo date('d/m/Y H:i:s', current_time('timestamp', 1));
?>
</code>
</span>
</div>
</div>
<div class="wprss-meta-side-setting">
<p>
<label for="">Pause feed: </label>
<strong id="wprss-pause-feed-viewer"><?php
echo $pause !== '' ? $pause : $default_pause;
?>
</strong>
<a href="#">Edit</a>
</p>
<div class="wprss-meta-slider" data-collapse-viewer="wprss-pause-feed-viewer" data-default-value="<?php
echo $default_pause;
?>
">
<input id="wprss_pause_feed" class="wprss-datetimepicker-from-today" name="wprss_pause_feed" value="<?php
echo $pause;
?>
" />
<label class="description" for="wprss_pause_feed">
Leave blank to never pause the feed.
</label>
<br/><br/>
<span class="description">
<b>Note:</b> WordPress uses UTC time for schedules, not local time. Current UTC time is: <code><?php
echo date('d/m/Y H:i:s', current_time('timestamp', 1));
?>
</code>
</span>
</div>
</div>
<div class="wprss-meta-side-setting">
<p>
<label for="">Update interval: </label>
<strong id="wprss-feed-update-interval-viewer">
<?php
if ($update_interval === '' || $update_interval === wprss_get_default_feed_source_update_interval()) {
echo $default_interval;
} else {
echo wprss_interval($schedules[$update_interval]['interval']);
}
?>
</strong>
<a href="#">Edit</a>
</p>
<div class="wprss-meta-slider" data-collapse-viewer="wprss-feed-update-interval-viewer" data-default-value="<?php
echo $default_interval;
?>
">
<select id="feed-update-interval" name="wprss_update_interval">
<?php
foreach ($schedules as $value => $schedule) {
?>
<?php
$text = $value === wprss_get_default_feed_source_update_interval() ? $default_interval : wprss_interval($schedule['interval']);
?>
<option value="<?php
echo $value;
?>
" <?php
selected($update_interval, $value);
?>
><?php
echo $text;
?>
</option>
<?php
}
?>
</select>
<br/>
<span class='description' for='feed-update-interval'>
Enter the interval at which to update this feed. The feed will only be updated if it is <strong>active</strong>.
</span>
</div>
</div>
<div class="wprss-meta-side-setting">
<p>
<label id="wprss-age-limit-feed-label" for="" data-when-empty="Delete old feed items:">Delete feed items older than: </label>
<strong id="wprss-age-limit-feed-viewer"><?php
echo $age_limit . ' ' . $age_unit;
?>
</strong>
<a href="#">Edit</a>
</p>
<div class="wprss-meta-slider" data-collapse-viewer="wprss-age-limit-feed-viewer" data-label="#wprss-age-limit-feed-label" data-default-value="" data-empty-controller="#limit-feed-items-age" data-hybrid="#limit-feed-items-age, #limit-feed-items-age-unit">
<input id="limit-feed-items-age" name="wprss_age_limit" type="number" min="0" class="wprss-number-roller" placeholder="No limit" value="<?php
echo $age_limit;
?>
" />
<select id="limit-feed-items-age-unit" name="wprss_age_unit">
<?php
foreach (wprss_age_limit_units() as $unit) {
?>
<option value="<?php
echo $unit;
?>
" <?php
selected($age_unit, $unit);
?>
><?php
echo $unit;
?>
</option>
<?php
}
?>
</select>
<br/>
<span class='description' for='limit-feed-items-age'>
Enter the maximum age of feed items to be stored in the database. Feed items older than the specified age will be deleted everyday at midnight.
<br/>
Leave empty for no limit.
</span>
</div>
</div>
<?php
}
/**
* Starts the looping schedule for a feed source. Runs on a schedule
*
* @param $feed_id The ID of the feed source
* @since 3.9
*/
function wprss_feed_source_update_start_schedule($feed_id)
{
// Stop any currently scheduled update operations
wprss_feed_source_update_stop_schedule($feed_id);
// Prepare the schedule
$schedule_args = array(strval($feed_id));
// Get the interval
$interval = get_post_meta($feed_id, 'wprss_update_interval', TRUE);
// Do nothing if the feed source has no update interval (not sure if possible) or if the interval
// is set to global
if ($interval === '' || $interval === wprss_get_default_feed_source_update_interval()) {
return;
}
wp_schedule_event(time(), $interval, 'wprss_fetch_single_feed_hook', $schedule_args);
}
/**
* Fetches all feed items from all feed sources.
* Iteratively calls 'wprss_fetch_insert_single_feed_items' for all feed sources.
*
* This function is used by the cron job or the debugging functions to get all feeds from all feed sources
*
* @param $all If set to TRUE, the function will pull from all feed sources, regardless of their individual
* update interval. If set to FALSE, only feed sources using the global update system will be updated.
* (Optional) Default: TRUE.
* @since 3.0
*/
function wprss_fetch_insert_all_feed_items($all = TRUE)
{
// Get all feed sources
$feed_sources = wprss_get_all_feed_sources();
if ($feed_sources->have_posts()) {
// Start by getting one feed source, we will cycle through them one by one,
// fetching feed items and adding them to the database in each pass
while ($feed_sources->have_posts()) {
$feed_sources->the_post();
$interval = get_post_meta(get_the_ID(), 'wprss_update_interval', TRUE);
$using_global_interval = $interval === wprss_get_default_feed_source_update_interval() || $interval === '';
// Check if fetching from all, or if feed source uses the global interval
if ($all === TRUE || $using_global_interval) {
wp_schedule_single_event(time(), 'wprss_fetch_single_feed_hook', array(get_the_ID()));
}
}
wp_reset_postdata();
// Restore the $post global to the current post in the main query
}
}
/**
*
*/
function wprss_feed_source_updates()
{
$response = array();
if (!current_user_can('edit_feed_sources')) {
return $response;
}
if (empty($_POST['wprss_heartbeat'])) {
return $response;
}
// Get the wprss heartbeat data and extract the data
$wprss_heartbeat = $_POST['wprss_heartbeat'];
extract($wprss_heartbeat);
// Perform the action specified by the heartbeat data
switch ($action) {
/* FEED SOURCE UPDATING STATUS
* Used to determine whether or not to show the updating icon in the feed source table.
*/
case 'feed_sources':
// Prepare array of IDs for feed sources currently updating
$feed_sources_data = array();
// Iterate all feed sources
foreach ($params as $feed_id) {
$feed_sources_data[$feed_id] = array();
$feed_source_data =& $feed_sources_data[$feed_id];
// Check if the feed source is updating
$seconds_for_next_update = wprss_get_next_feed_source_update($feed_id) - time();
$feed_source_data['updating'] = $seconds_for_next_update < 2 && $seconds_for_next_update > 0 || wprss_is_feed_source_updating($feed_id) || wprss_is_feed_source_deleting($feed_id);
// Add the number of imported items
$items = wprss_get_feed_items_for_source($feed_id);
$feed_source_data['items'] = $items->post_count;
// Update the meta field
update_post_meta($feed_id, 'wprss_items_imported', $items->post_count);
// Add the next update time
$next_update = wprss_get_next_feed_source_update($feed_id);
$update_interval = get_post_meta($feed_id, 'wprss_update_interval', TRUE);
// If using the global interval, get the timestamp of the next global update
if ($update_interval === wprss_get_default_feed_source_update_interval() || $update_interval === '') {
$next_update = wp_next_scheduled('wprss_fetch_all_feeds_hook', array());
}
// Set the text appropriately
if (!wprss_is_feed_source_active($feed_id)) {
$feed_source_data['next-update'] = __('Paused', WPRSS_TEXT_DOMAIN);
} elseif ($next_update === FALSE) {
$feed_source_data['next-update'] = __('None', WPRSS_TEXT_DOMAIN);
} else {
$feed_source_data['next-update'] = human_time_diff($next_update, time());
}
// Update the meta field
update_post_meta($feed_id, 'wprss_next_update', $feed_source_data['next-update']);
// Add the last update information
$last_update = get_post_meta($feed_id, 'wprss_last_update', TRUE);
$last_update_items = get_post_meta($feed_id, 'wprss_last_update_items', TRUE);
$feed_source_data['last-update'] = $last_update === '' ? '' : human_time_diff($last_update, time());
$feed_source_data['last-update-imported'] = $last_update_items;
// Add any error info
$errors = get_post_meta($feed_id, 'wprss_error_last_import', true);
$feed_source_data['errors'] = $errors;
}
// Send back all the IDs
$response['wprss_feed_sources_data'] = $feed_sources_data;
break;
}
// Return the response
die(json_encode($response));
}
/**
* Renders the Feed Processing metabox
*
* @since 3.7
*/
function wprss_feed_processing_meta_box_callback()
{
global $post;
// Get the post meta
$state = get_post_meta($post->ID, 'wprss_state', TRUE);
$activate = get_post_meta($post->ID, 'wprss_activate_feed', TRUE);
$pause = get_post_meta($post->ID, 'wprss_pause_feed', TRUE);
$update_interval = get_post_meta($post->ID, 'wprss_update_interval', TRUE);
$age_limit = get_post_meta($post->ID, 'wprss_age_limit', FALSE);
$age_unit = get_post_meta($post->ID, 'wprss_age_unit', FALSE);
$age_limit = count($age_limit) === 0 ? wprss_get_general_setting('limit_feed_items_age') : $age_limit[0];
$age_unit = count($age_unit) === 0 ? wprss_get_general_setting('limit_feed_items_age_unit') : $age_unit[0];
// Set default strings for activate and pause times
$default_activate = 'immediately';
$default_pause = 'never';
// Prepare the states
$states = array('active' => __('Active', WPRSS_TEXT_DOMAIN), 'paused' => __('Paused', WPRSS_TEXT_DOMAIN));
// Prepare the schedules
$default_interval = __('Default', WPRSS_TEXT_DOMAIN);
$wprss_schedules = apply_filters('wprss_schedules', wprss_get_schedules());
$default_interval_key = wprss_get_default_feed_source_update_interval();
$schedules = array_merge(array($default_interval_key => array('display' => $default_interval, 'interval' => $default_interval)), $wprss_schedules);
// Inline help
$help = WPRSS_Help::get_instance();
$help_options = array('tooltip_handle_class_extra' => $help->get_options('tooltip_handle_class_extra') . ' ' . $help->get_options('tooltip_handle_class') . '-side');
?>
<div class="wprss-meta-side-setting">
<label for="wprss_state">Feed state:</label>
<select id="wprss_state" name="wprss_state">
<?php
foreach ($states as $value => $label) {
?>
<option value="<?php
echo $value;
?>
" <?php
selected($state, $value);
?>
><?php
echo $label;
?>
</option>
<?php
}
?>
</select>
<?php
echo $help->tooltip('field_wprss_state', null, $help_options);
?>
</div>
<div class="wprss-meta-side-setting">
<p>
<label for="">Activate feed: </label>
<strong id="wprss-activate-feed-viewer"><?php
echo $activate !== '' ? $activate : $default_activate;
?>
</strong>
<a href="#">Edit</a>
<?php
echo $help->tooltip('field_wprss_activate_feed', null, $help_options);
?>
</p>
<div class="wprss-meta-slider" data-collapse-viewer="wprss-activate-feed-viewer" data-default-value="<?php
echo $default_activate;
?>
">
<input id="wprss_activate_feed" class="wprss-datetimepicker-from-today" name="wprss_activate_feed" value="<?php
echo $activate;
?>
" />
<span class="description">
Current UTC time is:<br/><code><?php
echo date('d/m/Y H:i:s', current_time('timestamp', 1));
?>
</code>
</span>
</div>
</div>
<div class="wprss-meta-side-setting">
<p>
<label for="">Pause feed: </label>
<strong id="wprss-pause-feed-viewer"><?php
echo $pause !== '' ? $pause : $default_pause;
?>
</strong>
<a href="#">Edit</a>
<?php
echo $help->tooltip('field_wprss_pause_feed', null, $help_options);
?>
</p>
<div class="wprss-meta-slider" data-collapse-viewer="wprss-pause-feed-viewer" data-default-value="<?php
echo $default_pause;
?>
">
<input id="wprss_pause_feed" class="wprss-datetimepicker-from-today" name="wprss_pause_feed" value="<?php
echo $pause;
?>
" />
<span class="description">
Current UTC time is:<br/><code><?php
echo date('d/m/Y H:i:s', current_time('timestamp', 1));
?>
</code>
</span>
</div>
</div>
<div class="wprss-meta-side-setting">
<p>
<label for="">Update interval: </label>
<strong id="wprss-feed-update-interval-viewer">
<?php
if ($update_interval === '' || $update_interval === wprss_get_default_feed_source_update_interval()) {
echo $default_interval;
} else {
echo wprss_interval($schedules[$update_interval]['interval']);
}
?>
</strong>
<a href="#">Edit</a>
<?php
echo $help->tooltip('field_wprss_update_interval', null, $help_options);
?>
</p>
<div class="wprss-meta-slider" data-collapse-viewer="wprss-feed-update-interval-viewer" data-default-value="<?php
echo $default_interval;
?>
">
<select id="feed-update-interval" name="wprss_update_interval">
<?php
foreach ($schedules as $value => $schedule) {
?>
<?php
$text = $value === wprss_get_default_feed_source_update_interval() ? $default_interval : wprss_interval($schedule['interval']);
?>
<option value="<?php
echo $value;
?>
" <?php
selected($update_interval, $value);
?>
><?php
echo $text;
?>
</option>
<?php
}
?>
</select>
</div>
</div>
<div class="wprss-meta-side-setting">
<p>
<label id="wprss-age-limit-feed-label" for="" data-when-empty="Delete old feed items:">Delete feed items older than: </label>
<strong id="wprss-age-limit-feed-viewer"><?php
echo $age_limit . ' ' . $age_unit;
?>
</strong>
<a href="#">Edit</a>
<?php
echo $help->tooltip('field_wprss_age_limit', null, $help_options);
?>
</p>
<div class="wprss-meta-slider" data-collapse-viewer="wprss-age-limit-feed-viewer" data-label="#wprss-age-limit-feed-label" data-default-value="" data-empty-controller="#limit-feed-items-age" data-hybrid="#limit-feed-items-age, #limit-feed-items-age-unit">
<input id="limit-feed-items-age" name="wprss_age_limit" type="number" min="0" class="wprss-number-roller" placeholder="No limit" value="<?php
echo $age_limit;
?>
" />
<select id="limit-feed-items-age-unit" name="wprss_age_unit">
<?php
foreach (wprss_age_limit_units() as $unit) {
?>
<option value="<?php
echo $unit;
?>
" <?php
selected($age_unit, $unit);
?>
><?php
echo $unit;
?>
</option>
<?php
}
?>
</select>
</div>
</div>
<?php
}
/**
* Show up the custom columns for the wprss_feed list
*
* @since 2.0
*/
function wprss_show_custom_columns($column, $post_id)
{
switch ($column) {
case 'url':
$url = get_post_meta($post_id, 'wprss_url', true);
echo '<a href="' . esc_url($url) . '">' . esc_url($url) . '</a>';
break;
case 'description':
$description = get_post_meta($post_id, 'wprss_description', true);
echo esc_html($description);
break;
case 'id':
echo esc_html($post_id);
break;
case 'state':
$active = wprss_is_feed_source_active($post_id);
$text = $active ? 'Active' : 'Paused';
$button = $active ? 'Pause this feed source' : 'Activate this feed source';
$icon = $active ? 'pause' : 'play';
$value = $active ? 'paused' : 'active';
$indicator = $active ? 'green' : 'grey';
?>
<p>
<span class="wprss-indicator-<?php
echo $indicator;
?>
" title="<?php
echo $text;
?>
">
<i class="fa fa-circle"></i>
</span>
<input type="hidden" name="wprss-redirect" value="1" />
<button type="submit" class='button-secondary' title="<?php
echo $button;
?>
" name="wprss-feed-id" value="<?php
echo $post_id;
?>
">
<i class='fa fa-<?php
echo $icon;
?>
'></i>
</button>
</p>
<?php
break;
case 'next-update':
$interval = get_post_meta($post_id, 'wprss_update_interval', TRUE);
$timestamp = wprss_get_next_feed_source_update($post_id);
// If using the global interval, get the timestamp of the next glboal update
if ($interval === wprss_get_default_feed_source_update_interval() || $interval === '') {
$timestamp = wp_next_scheduled('wprss_fetch_all_feeds_hook', array());
}
?>
<p>
<code>
<?php
if (!wprss_is_feed_source_active($post_id)) {
?>
Paused
<?php
} elseif ($timestamp === FALSE) {
?>
None
<?php
} else {
?>
<?php
echo human_time_diff($timestamp, time());
?>
<?php
}
?>
</code>
</p>
<?php
break;
case 'feed-count':
$items = wprss_get_feed_items_for_source($post_id);
echo '<p>' . $items->post_count . '</p>';
break;
}
}
/**
* Calculates difference between times
*
* Taken from the WP-Crontrol plugin
* @link http://wordpress.org/extend/plugins/wp-crontrol/
* @since 3.0
*
*/
function wprss_interval($since)
{
if ($since === wprss_get_default_feed_source_update_interval()) {
return __('Default', WPRSS_TEXT_DOMAIN);
}
// array of time period chunks
$chunks = array(array(60 * 60 * 24 * 365, _n_noop('%s year', '%s years', 'crontrol')), array(60 * 60 * 24 * 30, _n_noop('%s month', '%s months', 'crontrol')), array(60 * 60 * 24 * 7, _n_noop('%s week', '%s weeks', 'crontrol')), array(60 * 60 * 24, _n_noop('%s day', '%s days', 'crontrol')), array(60 * 60, _n_noop('%s hour', '%s hours', 'crontrol')), array(60, _n_noop('%s minute', '%s minutes', 'crontrol')), array(1, _n_noop('%s second', '%s seconds', 'crontrol')));
if ($since <= 0) {
return __('now', WPRSS_TEXT_DOMAIN);
}
// we only want to output two chunks of time here, eg:
// x years, xx months
// x days, xx hours
// so there's only two bits of calculation below:
// step one: the first chunk
for ($i = 0, $j = count($chunks); $i < $j; $i++) {
$seconds = $chunks[$i][0];
$name = $chunks[$i][1];
// finding the biggest chunk (if the chunk fits, break)
if (($count = floor($since / $seconds)) != 0) {
break;
}
}
// set output var
$output = sprintf(_n($name[0], $name[1], $count, WPRSS_TEXT_DOMAIN), $count);
// step two: the second chunk
if ($i + 1 < $j) {
$seconds2 = $chunks[$i + 1][0];
$name2 = $chunks[$i + 1][1];
if (($count2 = floor(($since - $seconds * $count) / $seconds2)) != 0) {
// add to output var
$output .= ' ' . sprintf(_n($name2[0], $name2[1], $count2, WPRSS_TEXT_DOMAIN), $count2);
}
}
return $output;
}
