/**
* Look for any new Liveblog entries, and return them via JSON
*/
public static function ajax_entries_between()
{
// Set some defaults
$latest_timestamp = 0;
$entries_for_json = array();
// Look for entry boundaries
list($start_timestamp, $end_timestamp) = self::get_timestamps_from_query();
// Bail if there is no end timestamp
if (empty($end_timestamp)) {
self::send_user_error(__('A timestamp is missing. Correct URL: <permalink>/liveblog/<from>/</to>/', 'liveblog'));
}
// Do not cache if it's too soon
if ($end_timestamp > time()) {
self::$do_not_cache_response = true;
}
// Get liveblog entries within the start and end boundaries
$entries = self::$entry_query->get_between_timestamps($start_timestamp, $end_timestamp);
if (empty($entries)) {
do_action('liveblog_entry_request_empty');
self::json_return(array('entries' => array(), 'latest_timestamp' => null));
}
/**
* Loop through each liveblog entry, set the most recent timestamp, and
* put the JSON data for each entry into a neat little array.
*/
foreach ($entries as $entry) {
$latest_timestamp = max($latest_timestamp, $entry->get_timestamp());
$entries_for_json[] = $entry->for_json();
}
// Setup our data to return via JSON
$result_for_json = array('entries' => $entries_for_json, 'latest_timestamp' => $latest_timestamp);
do_action('liveblog_entry_request', $result_for_json);
self::json_return($result_for_json);
}
/**
* Fetches all Liveblog entries that are to be lazyloaded, and returns them via JSON.
*/
public static function ajax_lazyload_entries()
{
// The URL is of the form "lazyload/optional_max_timestamp/optional_min_timestamp".
$fragments = explode('/', get_query_var(self::url_endpoint));
// Get all Liveblog entries that are to be lazyloaded.
$entries = self::$entry_query->get_for_lazyloading(isset($fragments[1]) ? (int) $fragments[1] : 0, isset($fragments[2]) ? (int) $fragments[2] : 0);
if (!$entries) {
do_action('liveblog_entry_request_empty');
self::json_return(array('entries' => array(), 'index' => (int) filter_input(INPUT_GET, 'index')));
}
$entries = array_slice($entries, 0, WPCOM_Liveblog_Lazyloader::get_number_of_entries());
$entries_for_json = array();
// Set up an array containing the JSON data for all Liveblog entries.
foreach ($entries as $entry) {
$entries_for_json[] = $entry->for_json();
}
// Set up the data to be returned via JSON.
$result_for_json = array('entries' => $entries_for_json, 'index' => (int) filter_input(INPUT_GET, 'index'));
do_action('liveblog_entry_request', $result_for_json);
self::$do_not_cache_response = true;
self::json_return($result_for_json);
}
