charts_system.inc in Charts 6

@author Bruno Massa http://drupal.org/user/67164 @author TJ (based on his Chart module)

Use Charts for Drupal administration

File

charts_system/charts_system.inc

<?php

/**
 * @author Bruno Massa http://drupal.org/user/67164
 * @author TJ (based on his Chart module)
 * @file
 * Use Charts for Drupal administration
 */

/**
 * Chart reports page
 */
function _charts_system_charts($ctype) {
  $output = '';
  switch ($ctype) {
    case 'nodes':
      $output = _charts_system_generate(t('Total'), 'SELECT COUNT(*) AS count, type AS name
        FROM {node}
        GROUP BY type
        ORDER BY type');
      $output .= _charts_system_generate(t('Published'), "SELECT COUNT(*) AS count, type AS name\n        FROM {node}\n        WHERE status = '1'\n        GROUP BY type\n        ORDER BY type");
      $output .= _charts_system_generate(t('Unpublished'), "SELECT COUNT(*) AS count, type AS name\n        FROM {node}\n        WHERE status = '0'\n        GROUP BY type\n        ORDER BY type");
      $output .= _charts_system_node_activity();
      break;
    case 'users':
      $output = _charts_system_generate(t('Users Per Role'), 'SELECT COUNT(*) AS count, r.name AS name
        FROM {users_roles} ur
        LEFT JOIN {users} u ON ur.uid = u.uid
        LEFT JOIN {role} r ON r.rid = ur.rid
        GROUP BY r.rid, r.name
        ORDER BY r.name');
      $output .= _charts_system_generate(t('Users Status'), 'SELECT COUNT(*) AS count, status AS name
        FROM {users}
        WHERE uid != 0
        GROUP BY status
        ORDER BY status', '_charts_system_user_status_label');
      break;
    case 'watchdog':
      $output = _charts_system_generate(t('Watchdog Messages'), 'SELECT COUNT(*) AS count, type AS name
        FROM {watchdog}
        GROUP BY type
        ORDER BY type');
      $output .= _charts_system_generate(t('Message Severity'), 'SELECT COUNT(*) AS count, severity AS name
        FROM {watchdog}
        GROUP BY severity
        ORDER BY severity', '_charts_system_watchdog_severity_label');
      break;
  }
  return '<div id="charts-system">' . $output . '</div>';
}

/**
 * Generate some charts using a pre defined method.
 *
 * @param $title
 *   String. The chart title
 * @param $sql
 *   String. The SQL statement to be executed
 * @param $callback
 *   String (optional). When a string is given, use it as the
 *   parser of the results from SQL. Its important when the
 *   results are coded in to DB to ocupy less space, and should
 *   be decoded.
 * @return
 *   String. The HTML chart when all data is fine or a blank string
 */
function _charts_system_generate($title, $sql, $callback = NULL) {
  $results = db_query($sql);
  while ($result = db_fetch_array($results)) {
    if (!empty($callback)) {
      $result['name'] = $callback($result['name']);
    }
    $data[] = array(
      '#value' => $result['count'],
      '#label' => $result['name'] . ': ' . $result['count'],
    );
  }
  if (!empty($data)) {
    $chart = array();
    $chart[0] = $data;
    $chart['#title'] = $title;
    $chart['#type'] = 'pie2D';
    return charts_chart($chart);
  }
  return '';
}

/**
 * Show which kind of node type was created in the current month.
 *
 * @return
 *   String. The HTML chart when all data is fine or a blank string
 */
function _charts_system_node_activity() {
  $now = time();
  $results = db_query('SELECT type, created
    FROM {node}
    WHERE created < %d AND created > %d
    ORDER BY created', $now, mktime(0, 0, 0, date('m', $now), 1, date('Y', $now)));
  $max = array();
  $counts = array();
  $types = array();
  while ($result = db_fetch_array($results)) {
    $day = ltrim(date('d', $result['created']), '0');
    $types[$result['type']] = $type++;
    $counts[$day][$result['type']]++;
  }

  // Generate data and labels
  if (!empty($counts)) {
    foreach ($types as $type => $index) {
      $chart[$type]['#legend'] = $type;
      for ($i = 1; $i <= date('d', $now); $i++) {
        $chart[$type][] = array(
          '#value' => empty($counts[$i][$type]) ? 0 : $counts[$i][$type],
          '#label' => $i,
        );
      }
    }
    $chart['#title'] = t('Activity for !date', array(
      '!date' => date('F Y', $now),
    ));
    $chart['#type'] = 'line2D';
    return charts_chart($chart);
  }
  return '';
}

/**
 * Translate the user status label code to a string
 *
 * @param status
 *   Number. 1 for Active and 0 for Blocked
 * @return
 *   String. The given status
 */
function _charts_system_user_status_label($status) {
  return $status ? t('Active') : t('Blocked');
}

/**
 * Translate the message severity label code to a string
 *
 * @param status
 *   Number. According to watchdog constants, the severity level
 * @return
 *   String. The given severity
 */
function _charts_system_watchdog_severity_label($severity) {
  switch ($severity) {
    case WATCHDOG_NOTICE:
      return t('Notice');
    case WATCHDOG_WARNING:
      return t('Warning');
    case WATCHDOG_ERROR:
      return t('Error');
  }
}

Functions

Name	Description
_charts_system_charts	Chart reports page
_charts_system_generate	Generate some charts using a pre defined method.
_charts_system_node_activity	Show which kind of node type was created in the current month.
_charts_system_user_status_label	Translate the user status label code to a string
_charts_system_watchdog_severity_label	Translate the message severity label code to a string