type)) {
$node->content['feedapi_stat']['#value'] = theme('feedapi_stat', feedapi_stat_get($node));
}
}
/**
* Implementation of hook_theme().
*/
function feedapi_stat_theme() {
return array(
'feedapi_stat' => array(
'arguments' => array('node' => NULL),
),
'feedapi_stat_sparkline' => array(
'arguments' => array('data' => NULL, 'width' => NULL, 'height' => NULL),
),
'feedapi_stat_format' => array(
'arguments' => array('value' => NULL, 'type' => NULL),
),
);
}
/**
* Theme stats.
* Accepts result of feedapi_stat_get().
*/
function theme_feedapi_stat($values) {
drupal_add_css(drupal_get_path('module', 'feedapi_stat') .'/feedapi_stat.css');
// Get all timestamps.
$timestamps = array();
foreach ($values as $type => $val) {
foreach ($val as $timestamp => $v) {
$timestamps[$timestamp] = $timestamp;
}
}
arsort($timestamps);
// Build rows.
$names = feedapi_stat_types();
$rows = array();
foreach ($values as $type => $val) {
$row = array(
$names[$type],
theme('feedapi_stat_sparkline', $val),
);
foreach ($timestamps as $timestamp) {
$row[$timestamp] = theme('feedapi_stat_format', $val[$timestamp], $type);
}
$rows[] = $row;
}
// Build rows, first headers and sparklines, then all values.
$names = feedapi_stat_types();
$rows = array();
$row = array(' ');
$header = array('Time of refresh');
foreach ($values as $type => $val) {
$header[$type] = $names[$type];
// Only add sparklines for dynamic data.
if (!in_array($type, array('update_times', 'next_refresh_time'))) {
$row[$type] = theme('feedapi_stat_sparkline', $val);
}
else {
$row[$type] = ' ';
}
}
$rows[] = $row;
foreach ($timestamps as $timestamp) {
$row = array(
format_date($timestamp, 'custom', 'Y-m-d H:m:s'),
);
foreach ($values as $type => $val) {
$row[$type] = theme('feedapi_stat_format', $val[$timestamp], $type);
}
$rows[] = $row;
}
return ''.
'
'.
t('FeedAPI Refresh Log') .
'
'.
theme('table', $header, $rows) .
'';
}
/**
* Helper for creating a sparkline graph.
*/
function theme_feedapi_stat_sparkline($data, $width = 70, $height = 15) {
if (empty($data)) {
return '';
}
$elements = sparkline_elements();
$element = $elements['sparkline_bar'];
$element['#width'] = $width;
$element['#height'] = $height;
$element['#bar_width'] = 1;
$element['#bar_gap'] = 0;
$element['#negative_color'] = 'grey';
$element['#positive_color'] = 'grey';
$element['#data'] = $data;
$element['#max'] = max($data) + max($data) * .2;
$element['#style'] = 'bar';
return theme('sparkline', $element);
}
/**
* Format a statistical value.
*/
function theme_feedapi_stat_format($value, $type = '') {
if (empty($value) && $value !== 0) {
return ' - ';
}
switch ($type) {
case 'next_refresh_time':
case 'update_times':
return ''. format_date($value, 'custom', 'Y-m-d H:m:s') .'';
case 'process_time':
return ''. ($value/1000) .'';
case 'download_num':
case 'new':
return ''. $value .'';
case 'memory_increase':
return ''. number_format($value/(1024*1024), 3) .'';
default:
return ''. $value .'';
}
}
/**
* Get types of available stats.
* @todo: should live in FeedAPI module.
*/
function feedapi_stat_types() {
return array(
'update_times' => t('Time after refresh'),
'download_num' => t('Downloaded feed items'),
'new' => t('New feed items'),
'process_time' => t('Process time (sec)'),
'memory_increase' => t('Memory increase (MB)'),
'next_refresh_time' => t('Next scheduled refresh'),
);
}
/**
* Get stats for a given feed node.
*/
function feedapi_stat_get($node) {
$values = array();
foreach (feedapi_stat_types() as $type => $name) {
$values[$type] = _feedapi_stat_get($node->nid, $type);
}
return $values;
}
/**
* Get one type of statistics for a given node.
* @todo: should live in FeedAPI module.
*/
function _feedapi_stat_get($id, $type) {
$result = db_query('SELECT timestamp, value FROM {feedapi_stat} WHERE id = %d AND type = "%s" ORDER BY timestamp ASC', $id, $type);
$values = array();
while ($row = db_fetch_object($result)) {
$values[$row->timestamp] = $row->value;
}
return $values;
}