506 lines
20 KiB
Plaintext
506 lines
20 KiB
Plaintext
<?php
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//
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// logger.module : support module for charting data stored in RRD's
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// Copyright (c) 2008-2009 jokamajo.org
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// as published by the Free Software Foundation; either version 2
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// of the License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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//
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// $Id$
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//
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/**
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* @file
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* Support module for charting data stored in RRD's
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*/
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/**
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* Constants
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*/
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define('RED', 'F1572F');
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define('BLUE', '44C3D3');
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define('GREEN', '7AAB5A');
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define('ORANGE', 'F37E2B');
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define('YELLOW', 'FBEB0D');
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define('PURPLE', 'A052A0');
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/**
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* Implementation of hook_perm().
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*/
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function logger_perm() {
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return array('logger');
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}
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/**
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* Implementation of hook_menu() for logger
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* Don't forget to create a primary menu item in the Drupal administration section with the title 'ecology' linking to the '/logger' path
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*/
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function logger_menu() {
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$items = array();
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$items['admin/settings/logger'] = array(
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'title' => 'Logger settings',
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'description' => 'Configure settings for logging metering values.',
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'page callback' => 'drupal_get_form',
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'page arguments' => array('_logger_admin_settings'),
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'access arguments' => array('administer site configuration'),
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);
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$items['logger'] = array(
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'title' => 'your dashboard', // isn't printed as title on the page, therefore resort to drupal_set_title (t('your ecological dashboard')) in ecology_dashboard;
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'description' => 'Configure settings for logging metering values.',
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'page callback' => '_logger_dashboard', //takes the callback from the MENU_DEFAULT_LOCAL_TASK -> lightest level-two menu
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'page arguments' => array('electricity', 'main', 'hour'),
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'access callback' => TRUE,
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'type' => MENU_CALLBACK,
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);
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$items['logger/add'] = array(
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'title' => 'add this user to the chart',
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'page callback' => '_logger_add',
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'access arguments' => array('logger'),
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'type' => MENU_CALLBACK,
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);
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$items['logger/remove'] = array(
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'title' => 'remove this user from the chart',
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'page callback' => '_logger_remove',
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'access arguments' => array('logger'),
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'type' => MENU_CALLBACK,
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);
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$items['logger/unit'] = array(
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'title' => 'change the unit',
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'page callback' => '_logger_unit',
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'access arguments' => array('logger'),
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'type' => MENU_CALLBACK,
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);
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$items['logger/electricity'] = array(
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'title' => 'electricity',
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// 'page callback' => '_logger_dashboard',
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// 'page arguments' => array('electricity', 'main', 'hour'),
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'access callback' => TRUE,
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'type' => MENU_DEFAULT_LOCAL_TASK,
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);
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/**
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$items['logger/water'] = array(
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'title' => 'water',
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'page callback' => '_logger_dashboard',
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'page arguments' => array('water', 'main', 'hour'),
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'access callback' => TRUE,
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'type' => MENU_LOCAL_TASK,
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);
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$items['logger/gas'] = array(
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'title' => 'gas',
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'page callback' => '_logger_dashboard',
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'page arguments' => array('gas', 'main', 'hour'),
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'access callback' => TRUE,
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'type' => MENU_LOCAL_TASK,
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);
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**/
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$items['logger/electricity/hour'] = array(
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'title' => 'hour',
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'page callback' => '_logger_dashboard',
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'page arguments' => array('electricity', 'main', 'hour'),
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'access callback' => TRUE,
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'type' => MENU_LOCAL_TASK,
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'weight' => 0,
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);
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$items['logger/electricity/day'] = array(
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'title' => 'day',
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'page callback' => '_logger_dashboard',
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'page arguments' => array('electricity', 'main', 'day'),
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'access callback' => TRUE,
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'type' => MENU_LOCAL_TASK,
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'weight' => 1,
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);
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$items['logger/electricity/month'] = array(
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'title' => 'month',
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'page callback' => '_logger_dashboard',
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'page arguments' => array('electricity', 'main', 'month'),
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'access callback' => TRUE,
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'type' => MENU_LOCAL_TASK,
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'weight' => 2,
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);
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$items['logger/electricity/year'] = array(
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'title' => 'year',
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'page callback' => '_logger_dashboard',
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'page arguments' => array('electricity', 'main', 'year'),
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'access callback' => TRUE,
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'type' => MENU_LOCAL_TASK,
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'weight' => 3,
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);
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$items['logger/electricity/night'] = array(
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'title' => 'night',
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'page callback' => '_logger_dashboard',
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'page arguments' => array('electricity', 'main', 'night'),
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'access callback' => TRUE,
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'type' => MENU_LOCAL_TASK,
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'weight' => 4,
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);
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return $items;
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}
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/**
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* Callback functions registered in the logger_menu section
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*/
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function _logger_dashboard($type, $function, $interval) {
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// watchdog('dashboard', 'arguments: %type, %function, %interval', array('%type' => $type, '%function' => $function, '%interval' => $interval), WATCHDOG_DEBUG);
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if (user_access('logger')) {
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drupal_set_title(t('your dashboard'));
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global $user;
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}
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else { //show users who don't have 'logger' permissions icrarus'es chart
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drupal_set_title(t("a Fluksonian's dashboard"));
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$user = new stdClass();
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$user->uid = 1;
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$user->name = 'icarus75';
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$user->timezone = '3600';
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}
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$root_path = drupal_get_path('module', 'logger');
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$graph_path = $root_path .'/graphs/'. $interval .'/';
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$pngid = md5(uniqid()); //generate random numbers for the png chart so that the browser doesn't use the cached one, use cron to clean up the dir hourly
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switch ($interval) {
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case 'hour':
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$data_path = $root_path .'/data/base/';
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$start = 'end-1h';
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break;
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case 'day':
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$data_path = $root_path .'/data/base/';
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$start = 'end-1d';
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break;
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case 'month':
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$data_path = $root_path .'/data/base/';
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$start = 'end-60d';
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break;
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case 'year':
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$data_path = $root_path .'/data/base/';
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$start = 'end-1y';
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break;
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case 'night':
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$data_path = $root_path .'/data/night/';
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$start = 'end-60d';
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break;
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}
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$meter = db_fetch_object(db_query("SELECT meter, unit FROM {logger_meters} WHERE uid = %d AND type = '%s' AND function = '%s'", $user->uid, $type, $function));
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switch ($type) {
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case 'electricity':
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switch ($meter->unit) {
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case 'watt':
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$meter->factor = 3600; // 1Wh/s = 3600 W
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break;
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case 'kwh':
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$meter->unit = 'kWh/year';
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$meter->factor = 31536;
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break;
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case 'eur':
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$meter->unit = 'euro/year';
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$meter->factor = 5361.12;
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break;
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}
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}
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$color = array(RED, BLUE, GREEN, YELLOW, PURPLE);
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$string->def = ' DEF:data0='. $data_path . $meter->meter .'.rrd:meter:AVERAGE CDEF:meter0=data0,'. $meter->factor .',* VDEF:min0=meter0,MINIMUM VDEF:max0=meter0,MAXIMUM VDEF:avg0=meter0,AVERAGE VDEF:last0=meter0,LAST';
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$string->line = ' COMMENT:"\s" LINE1:meter0#'. $color[0] .':'.'"'. substr($user->name.' ', 0, 15) .'"'.' GPRINT:min0:"min\:%5.0lf" GPRINT:max0:"\tmax\:%5.0lf" GPRINT:avg0:"\tavg\:%5.0lf" GPRINT:last0:"\tlast\:%5.0lf\l"';
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if (user_access('logger') || user_access('staff')) { //allow Veerle to watch the graphs
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$result = db_query("SELECT u.name, lm.meter FROM (({users} u INNER JOIN {user_relationships} ur ON u.uid = ur.requestee_id) INNER JOIN {user_relationship_types} urt ON ur.rtid = urt.rtid) INNER JOIN {logger_meters} lm ON u.uid = lm.uid WHERE ur.requester_id = %d AND urt.name = '%s' AND type = '%s' AND function = '%s' ORDER BY ur.rid", $user->uid, 'subscription', $type, $function);
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$i = 0;
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while ($subscription = db_fetch_object($result)) {
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$i += 1;
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// print_r($subscription);
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$string->def .= ' DEF:data'. $i .'='. $data_path . $subscription->meter .'.rrd:meter:AVERAGE CDEF:meter'. $i .'=data'. $i .','. $meter->factor .',* VDEF:min'. $i .'=meter'. $i .',MINIMUM VDEF:max'. $i .'=meter'. $i .',MAXIMUM VDEF:avg'. $i .'=meter'. $i .',AVERAGE VDEF:last'. $i .'=meter'. $i .',LAST';
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$string->line .= ' LINE1:meter'. $i .'#'. $color[$i] .':'.'"'. substr($subscription->name.' ', 0, 15) .'"'.' GPRINT:min'. $i .':"min\:%5.0lf" GPRINT:max'. $i .':"\tmax\:%5.0lf" GPRINT:avg'. $i .':"\tavg\:%5.0lf" GPRINT:last'. $i .':"\tlast\:%5.0lf\l"';
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}
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}
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//construct the TZ=GMT-02:00 format from the $user->timezone object updated by the autotimezone module
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if ($user->timezone >= 0)
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$TZ = 'TZ="GMT-';
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else
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$TZ = 'TZ="GMT+';
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$TZ .= gmdate('h:i', abs($user->timezone)) .'" ';
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//insert the TZ prior to launching rrdtool to obtain a proper time conversion
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$command = $TZ . $root_path .'/rrdtool graph '. $graph_path . $pngid .'.png -s '. $start .' --vertical-label '. $meter->unit .' --lower-limit 0 -w 500 -h 350 -E -X 0 --font LEGEND:8:';
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$command .= $string->def;
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$command .= $string->line;
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exec($command, $output, $return_var);
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// watchdog('dashboard', 'arguments: %command ++ %output ++ %return_var', array('%command' => $command, '%output' => serialize($output), '%return_var' => $return_var), WATCHDOG_DEBUG);
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return theme('chart', $graph_path . $pngid .'.png');
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}
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function _logger_add($uid) {
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global $user;
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$rtid = db_result(db_query("SELECT rtid FROM {user_relationship_types} WHERE name = '%s'", 'subscription'));
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$result = db_fetch_array(db_query("SELECT COUNT(rid), MAX(rid) FROM {user_relationships} WHERE requester_id = %d AND rtid = %d GROUP BY rtid", $user->uid, $rtid));
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// max subscriptions = 4
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if ($result['COUNT(rid)'] < 4) {
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user_relationships_request_relationship($user->uid, $uid, $rtid, TRUE);
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}
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else {
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//check whether the requested relationship doesn't already exist
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if (!db_result(db_query("SELECT rid FROM {user_relationships} WHERE requester_id = %d AND requestee_id = %d AND rtid = %d", $user->uid, $uid, $rtid))) {
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// if not, delete the most recently added relationship and replace it with the newly selected one
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db_query("DELETE FROM {user_relationships} WHERE rid = %d", $result['MAX(rid)']);
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user_relationships_request_relationship($user->uid, $uid, $rtid, TRUE);
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}
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}
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_logger_cache_clear('subscriptions');
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$destination = drupal_get_destination();
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drupal_goto($destination);
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}
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function _logger_remove($rid) {
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global $user;
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// check whether the to-be-deleted relationship was created by the same user
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if ($user->uid == db_result(db_query("SELECT requester_id FROM {user_relationships} WHERE rid = %d", $rid))) {
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db_query("DELETE FROM {user_relationships} WHERE rid = %d", $rid);
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}
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else {
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watchdog('relationships', 'attempt to delete rid %rid by non-authorized user %uid', array('%rid' => $rid, '%uid' => $user->uid), WATCHDOG_ERROR);
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}
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_logger_cache_clear('subscriptions');
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$destination = drupal_get_destination();
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drupal_goto($destination);
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}
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function _logger_unit($unit) {
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// TODO : include security checks
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global $user;
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// hardcoded type and function
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db_query("UPDATE {logger_meters} SET unit = '%s' WHERE uid = %d AND type = '%s' AND function = '%s'", $unit, $user->uid, 'electricity', 'main');
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_logger_cache_clear('unit');
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$destination = drupal_get_destination();
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drupal_goto($destination);
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}
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/**
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* Clear the specific (per user) cache entry in the {cache_block} table
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*/
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function _logger_cache_clear($delta) {
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global $theme;
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//the theme variable isn't set on these callbacks so force it
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$theme = 'flukso';
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$block = db_fetch_object(db_query("SELECT * FROM {blocks} WHERE module = '%s' AND delta = '%s' AND theme = '%s'", 'logger', $delta, 'flukso'));
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$cid = _block_get_cache_id($block);
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// prevent the whole chache_block being cleared when _block_get_cache_id returns an empty string (e.g. uid = 1)
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if ($cid != '') cache_clear_all($cid, 'cache_block');
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//watchdog('block_cache', '%cid | %cache', array('%cid' => $cid, '%cache' => variable_get('block_cache', 100)), WATCHDOG_DEBUG);
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}
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/**
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* Implementation of hook_user() for logger
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* Flush the fluksonians block entries in the block cache
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*/
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function logger_user($op) {
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switch($op) {
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// new user is being inserted into the database
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case 'insert':
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// flush the fluksonians block entries
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cache_clear_all('logger:fluksonians', 'cache_block', TRUE);
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break;
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}
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}
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/**
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* Implementation of hook_theme() for logger
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*/
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function logger_theme() {
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return array(
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'chart' => array(
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'arguments' => array('chart' => NULL),
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),
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'logger_item_list' => array(
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'arguments' => array('items' => NULL, 'title' => NULL),
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),
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);
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}
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/**
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* Theming the chart
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*/
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function theme_chart($chart) {
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$output .= '<p id="chart"><img src="'. base_path() . $chart .'" alt="Flukso"/></p><!-- end chart-->';
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return $output;
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}
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/**
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* Implementation of hook_block() for logger
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* Adds two blocks to the logger pages for (de-)selecting users and
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* another one for selecting the desired unit
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*/
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function logger_block($op = 'list', $delta = 0, $edit = array()) {
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global $user;
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switch ($op) {
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case 'list':
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$blocks['subscriptions']['info'] = t('Subscriptions');
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$blocks['subscriptions']['status'] = TRUE;
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$blocks['subscriptions']['region'] = 'right';
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$blocks['subscriptions']['weight'] = 0;
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$blocks['subscriptions']['pages'] = 'logger<br />logger/*';
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$blocks['subscriptions']['cache'] = BLOCK_CACHE_PER_USER;
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$blocks['fluksonians']['info'] = t('Fluksonians');
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$blocks['fluksonians']['status'] = TRUE;
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$blocks['fluksonians']['region'] = 'right';
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$blocks['fluksonians']['weight'] = 1;
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$blocks['fluksonians']['pages'] = 'logger<br />logger/*';
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$blocks['fluksonians']['cache'] = BLOCK_CACHE_PER_USER;
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$blocks['unit']['info'] = t('Unit');
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$blocks['unit']['status'] = TRUE;
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$blocks['unit']['region'] = 'right';
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$blocks['unit']['weight'] = 2;
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$blocks['unit']['pages'] = 'logger<br />logger/*';
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$blocks['unit']['cache'] = BLOCK_CACHE_PER_USER;
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$blocks['publish']['info'] = t('Publish');
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$blocks['publish']['status'] = TRUE;
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$blocks['publish']['region'] = 'content';
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$blocks['publish']['weight'] = 3;
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$blocks['publish']['pages'] = 'logger<br />logger/*';
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$blocks['publish']['cache'] = BLOCK_CACHE_PER_ROLE;
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return $blocks;
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case 'view':
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//pass along our current destination in the query string so that logger_add and logger_remove can return after processing their task
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$destination = drupal_get_destination();
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if ($delta == 'subscriptions' && user_access('logger')) {
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$result = db_query("SELECT u.uid, u.name, ur.rid FROM ({users} u INNER JOIN {user_relationships} ur ON u.uid = ur.requestee_id) INNER JOIN {user_relationship_types} urt ON ur.rtid = urt.rtid WHERE ur.requester_id = %d AND urt.name = '%s' ORDER BY ur.rid", $user->uid, 'subscription');
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$items = array();
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while ($subscription = db_fetch_object($result)) {
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$items[] = l('[x]', 'logger/remove/'. $subscription->rid, array('attributes' => array('title' => "unsubscribe from ". $subscription->name ."'s stream"), 'query' => $destination, 'alias' => TRUE)) .' '. l($subscription->name, 'user/'. $subscription->uid, array('alias' => FALSE));
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}
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$block['subject'] = t('Subscriptions');
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$block['content'] = theme('logger_item_list', $items);
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}
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elseif ($delta == 'fluksonians' && user_access('logger')) {
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// list all users having the fluksionian role for now
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// to be replaced by a real buddylist later on
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$result = db_query("SELECT u.uid, u.name FROM ({users} u INNER JOIN {users_roles} ur ON u.uid = ur.uid) INNER JOIN {role} r ON ur.rid = r.rid WHERE r.name = '%s' AND NOT u.uid = %d ORDER BY u.name", 'fluksonian', $user->uid);
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$items = array();
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while ($fluksonian = db_fetch_object($result)) {
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$items[] = l('[+]', 'logger/add/'. $fluksonian->uid, array('attributes' => array('title' => "subscribe to ". $fluksonian->name ."'s stream"), 'query' => $destination, 'alias' => TRUE)) .' '. l($fluksonian->name, 'user/'. $fluksonian->uid, array('alias' => FALSE));
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}
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$block['subject'] = t('Fluksonians');
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$block['content'] = theme('logger_item_list', $items);
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}
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elseif ($delta == 'unit' && user_access('logger')) {
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//hardcoded the type and function parameters for now
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$unit = db_result(db_query("SELECT unit FROM {logger_meters} WHERE uid = %d AND type = '%s' AND function = '%s'", $user->uid, 'electricity', 'main'));
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$items = array();
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switch ($unit) {
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case 'watt':
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$items[] = 'watt';
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$items[] = l('kWh/year', 'logger/unit/kwh', array('attributes' => array('title' => "switch to kWh/year"), 'query' => $destination, 'alias' => TRUE));
|
|
$items[] = l('euro/year', 'logger/unit/eur', array('attributes' => array('title' => "switch to euro/year"), 'query' => $destination, 'alias' => TRUE));
|
|
break;
|
|
case 'kwh':
|
|
$items[] = l('watt', 'logger/unit/watt', array('attributes' => array('title' => "switch to watt"), 'query' => $destination, 'alias' => TRUE));
|
|
$items[] = 'kWh/year';
|
|
$items[] = l('euro/year', 'logger/unit/eur', array('attributes' => array('title' => "switch to euro/year"), 'query' => $destination, 'alias' => TRUE));
|
|
break;
|
|
case 'eur':
|
|
$items[] = l('watt', 'logger/unit/watt', array('attributes' => array('title' => "switch to watt"), 'query' => $destination, 'alias' => TRUE));
|
|
$items[] = l('kWh/year', 'logger/unit/kwh', array('attributes' => array('title' => "switch to kWh/year"), 'query' => $destination, 'alias' => TRUE));
|
|
$items[] = 'euro/year';
|
|
break;
|
|
}
|
|
$block['subject'] = t('Unit');
|
|
$block['content'] = theme('logger_item_list', $items);
|
|
}
|
|
|
|
elseif ($delta == 'publish' && user_access('logger')) {
|
|
// $block['subject'] = t('Publish');
|
|
$block['content'] = drupal_get_form('_logger_publish_form');
|
|
}
|
|
|
|
return $block;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Implementing a simple non-bulleted list for the logger_block
|
|
*/
|
|
function theme_logger_item_list($items, $title = NULL) {
|
|
$output = '';
|
|
foreach ($items as $item) {
|
|
$output .= $item .'<br />';
|
|
}
|
|
return $output;
|
|
}
|
|
|
|
/**
|
|
* Generates the publish block form.
|
|
*/
|
|
function _logger_publish_form() {
|
|
$form['publish'] = array(
|
|
'#type' => 'fieldset',
|
|
'#title' => t('Publish'),
|
|
'#description' => t('Publish the chart.'),
|
|
'#collapsible' => TRUE,
|
|
'#collapsed' => TRUE
|
|
);
|
|
$form['publish']['title'] = array(
|
|
'#type' => 'textfield',
|
|
'#title' => t('Title'),
|
|
'#description' => t('Please enter the title of your post.')
|
|
);
|
|
$form['publish']['submit'] = array(
|
|
'#type' => 'submit',
|
|
'#value' => t('Publish')
|
|
);
|
|
return $form;
|
|
}
|
|
|
|
/**
|
|
* Process publish form submissions.
|
|
*/
|
|
function _logger_publish_form_submit($form, &$form_state) {
|
|
$form_state['redirect'] = 'node/add'; //placeholder; check whether we can automatically fill in the new content type
|
|
}
|
|
|
|
/**
|
|
* Define the administration settings form for the logger module
|
|
*/
|
|
function _logger_admin_settings() {
|
|
//TODO
|
|
}
|
|
|
|
/**
|
|
* Implementation of hook_cron().
|
|
* Cron will call this hook periodically [e.g. 1 hour interval] to perform housekeeping on the png's.
|
|
*/
|
|
function logger_cron() {
|
|
exec('rm sites/all/modules/logger/graphs/hour/*');
|
|
exec('rm sites/all/modules/logger/graphs/day/*');
|
|
exec('rm sites/all/modules/logger/graphs/month/*');
|
|
exec('rm sites/all/modules/logger/graphs/year/*');
|
|
exec('rm sites/all/modules/logger/graphs/night/*');
|
|
}
|