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<?php
/**
* Stats class
* Provides functions for finding statistics about
* phpScheduleIt and reservations
* @author Nick Korbel <lqqkout13@users.sourceforge.net>
* @version 11-21-04
* @package phpScheduleIt
*
* Copyright (C) 2003 - 2007 phpScheduleIt
* License: GPL, see LICENSE
*/
/**
* Base directory of application
*/
@define('BASE_DIR', dirname(__FILE__) . '/..');
/**
* Include StatsDB class
*/
include_once('db/StatsDB.class.php');
/**
* Include stats templates
*/
include_once(BASE_DIR . '/templates/stats.template.php');
define('MONTH', 1); // Define constants
define('DAY_OF_WEEK', 2);
define('DAY_OF_MONTH', 3);
define('USER', 4);
define('RESOURCE', 5);
define('starttime', 6);
define('endtime', 7);
/**
* This class provides all the functionality for parsing and computing
* statistics for all the reservations in the database.
* Results will be grouped by any number of grouping criteria.
* The user must call set_stats(CONSTANT_STAT_TYPE) and then print_stats()
* for each statistic they want to print
*/
class Stats {
var $days_in_mon = array (31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30 , 31);
var $month_names = array();
var $day_names = array();
var $machids = array();
var $userids = array();
var $scheduleid = '';
var $sched = array();
var $timespan = '';
var $startDay = 0;
var $endDay = 0;
var $type; // Type of stat to find
var $db;
var $labels = array();
var $values = array();
var $index = array();
var $dyntot = array();
var $dynlabel = false; // Whether to use dynamic labeling
var $lbl_fnc; // Dynamic label function name
var $dyn_title; // Dynamic title
var $numUsers = 0;
var $numRes = 0;
var $numRs = 0;
var $total = 0;
var $longest = 0;
var $shortest = 1440;
var $active_resource = array ('num' => 0, 'id' => NULL, 'name' => NULL); // Most active xxxx
var $active_user = array ('num' => 0, 'id' => NULL, 'name' => NULL);
var $month; // Stats arrays
var $dayofmonth; //
var $dayofweek; //
var $starttime; //
var $endtime; //
var $total_time; //
var $resource; //
var $user; //
var $color0 = '#dedede'; // Graphical properties
var $color1 = '#ededed'; // (alternating row colors)
var $bar_outline = 'solid #000000 1px';
var $bar_color = '#FF0000';
var $height = '5px'; // (bar height)
var $fnt_sz = '10px'; //
var $graph_title;
function Stats() {
global $months_abbr;
global $days_abbr;
$this->db = new StatsDB();
for ($i = 1; $i <= count($months_abbr); $i++)
$this->month_names[$i] = $months_abbr[$i-1];//array_fill(1, count($months_abbr), $months_abbr);
$this->day_names = $days_abbr;
}
/**
* Initializes the stats class
* @param none
*/
function init() {
$this->numUsers = $this->db->get_quick_stats('login');
$this->numRes = $this->db->get_quick_stats('reservations');
$this->numRs = $this->db->get_quick_stats('resources');
// Set $this->machids array
$machs = $this->db->get_resources();//'resources', array('machid', 'name'), array('name'));
for ($i = 0; $i < count($machs); $i++)
$this->machids[$machs[$i]['machid']] = $machs[$i]['name'];
// Set $this->userids array
$users = $this->db->get_table_data('login', array ('memberid, fname, lname'), array ('lname', 'fname'));
for ($i = 0; $i < count($users); $i++)
$this->userids[$users[$i]['memberid']] = $users[$i]['lname'] . ', ' . $users[$i]['fname'];
$this->parse();
}
/**
* Sets the schedule id
* @param string $scheduleid id of the schedule
*/
function set_schedule($scheduleid) {
if (empty($scheduleid))
$this->scheduleid = $this->db->get_default_id();
else
$this->scheduleid = $scheduleid;
return $this->db->check_scheduleid($this->scheduleid);
}
/**
* Loads the schedule data
* @param none
*/
function load_schedule() {
$this->db->scheduleid = $this->scheduleid;
$this->sched = $this->db->get_schedule_data($this->scheduleid);
$this->timespan = $this->sched['timespan'];
$this->startDay = $this->sched['daystart'];
$this->endDay = $this->sched['dayend'];
}
/**
* Gets the list of schedules
* @param none
* @return array of schedules
*/
function get_schedule_list() {
return $this->db->get_schedule_list();
}
/**
* Prints out schedule invalid error
* @param none
*/
function print_schedule_error() {
CmnFns::do_error_box(translate('That schedule is not available.') . '<br/><a href="javascript: history.back();">' . translate('Back') . '</a>', '', false);
}
/**
* Parse the database, storing necessary stats
* @param none
*/
function parse() {
$m = $w = $d = $s = $e = $r = $u = $p = array();
$total_time = 0;
$res = $this->db->get_all_stats();
if (!$res) { // If there are no reservations, return
//echo $this->db->get_err();
return;
}
for ($i = 0; $i < count($res); $i++) {
$date = getdate($res[$i]['start_date']);
$starttime = $res[$i]['starttime'];
$endtime = $res[$i]['endtime'];
$start_date = $res[$i]['start_date'];
$end_date = $res[$i]['end_date'];
$m[$date['mon']] = (!isset($m[$date['mon']])) ? 1 : $m[$date['mon']] + 1; // By month
$d[$date['mday']][$date['mon']] = (!isset($d[$date['mday']][$date['mon']])) ? 1 : $d[$date['mday']][$date['mon']] + 1; // By day of month
$w[$date['wday']] = (!isset($w[$date['wday']])) ? 1 : $w[$date['wday']] + 1; // By day of week
$s[$starttime] = (!isset($s[$starttime])) ? 1 : $s[$starttime] + 1; // By start time
$e[$endtime] = (!isset($e[$endtime])) ? 1 : $e[$endtime] + 1; // By end time
$tot = (($end_date/60 + $endtime) - ($start_date/60 + $starttime));
if ($tot < $this->shortest) $this->shortest = $tot;
if ($tot > $this->longest) $this->longest = $tot;
$total_time += $tot;
$r[$res[$i]['machid']] = (!isset($r[$res[$i]['machid']])) ? 1 : $r[$res[$i]['machid']] + 1;
if ($this->active_resource['num'] < $r[$res[$i]['machid']]) { // Find most active resource
$this->active_resource['num'] = $r[$res[$i]['machid']];
$this->active_resource['id'] = $res[$i]['machid'];
$this->active_resource['name'] = $this->machids[$res[$i]['machid']];
}
// Group by user for all reservations
$u[$res[$i]['memberid']]['all'] = (!isset($u[$res[$i]['memberid']]['all'])) ? 1 : $u[$res[$i]['memberid']]['all'] + 1;
if ($this->active_user['num'] < $u[$res[$i]['memberid']]['all']) { // Find most active user
$this->active_user['num'] = $u[$res[$i]['memberid']]['all'];
$this->active_user['id'] = $res[$i]['memberid'];
$this->active_user['name'] = $this->userids[$res[$i]['memberid']];
}
// Group by user for each resource
$u[$res[$i]['memberid']][$res[$i]['machid']] = (!isset($u[$res[$i]['memberid']][$res[$i]['machid']])) ? 1 : $u[$res[$i]['memberid']][$res[$i]['machid']] + 1;
}
/* Arrays of stats data */
$this->month =& $m;
$this->dayofmonth =& $d;
$this->dayofweek =& $w;
$this->starttime =& $s;
$this->endtime =& $e;
$this->total_time =& $total_time;
$this->resource =& $r;
$this->user =& $u;
}
/**
* Sets the object up to use dynamic labels
* Parameter must be properly defined label handler
* @param string $function_name
*/
function set_label_handler($function_name) {
$this->dynlabel = true;
$this->lbl_fnc = $function_name;
}
/**
* Sets the stat mode
* This will load specific labels and values
* to print out and will set any necessary
* values for this stat type
* @param string $stat_type stat type to print
* can be: MONTH, DAY_0F_WEEK, DAY_OF_MONTH, USER, RESOURCE, STARTTIME, ENDTIME
*/
function set_stats($stat_type) {
global $conf;
$start = $this->sched['daystart'];
$end = $this->sched['dayend'];
$interval = $this->sched['timespan'];
unset($this->labels); // Reinitialize variables
$this->dynlabel = false;
$this->type = $stat_type;
switch ($stat_type) {
case MONTH :
$this->labels =& $this->month_names;
$this->values =& $this->month;
$this->total = $this->numRes;
$this->graph_title = translate('Reservations by month');
break;
case DAY_OF_WEEK :
$this->labels =& $this->day_names;
$this->values =& $this->dayofweek;
$this->total = $this->numRes;
$this->graph_title = translate('Reservations by day of the week');
break;
case DAY_OF_MONTH :
$this->set_label_handler('day_of_month_lbl');
$this->values =& $this->dayofmonth;
$this->index =& $this->month_names;
$this->dyntot =& $this->month;
$this->dyn_title = translate('Reservations per month');
break;
case USER :
$this->labels =& $this->userids;
$this->values =& $this->user;
$this->total = $this->numRes;
$this->index =& $this->machids;
$this->dyntot =& $this->resource;
$this->dyn_title = translate('Reservations per user');
break;
case RESOURCE :
$this->labels =& $this->machids;
$this->values =& $this->resource;
$this->total = $this->numRes;
$this->graph_title = translate('Reservations per resource');
break;
case STARTTIME :
for ($i = $start; $i < $end; $i += $interval) {
$this->labels[$i] = Time::formatTime($i, false);
}
$this->values =& $this->starttime;
$this->total = $this->numRes;
$this->graph_title = translate('Reservations per start time');
break;
case ENDTIME :
for ($i = $start + $interval; $i <= $end; $i += $interval) {
$this->labels[$i] = Time::formatTime($i, false);
}
$this->values =& $this->endtime;
$this->total = $this->numRes;
$this->graph_title = translate('Reservations per end time');
break;
}
}
/**
* Prints the currently set stats
* @param none
*/
function print_stats() {
if (!empty($this->index))
$this->print_multiple_stats();
else
print_stats($this);
unset($this->index);
}
/**
* Creates an index and prints out seperate tables
* for each index.
* For example, to print all users individual resource usage,
* this function takes all the resource ids and loops through them,
* calculating the number of reservations per resource and printing
* a table for each one
* @param none
*/
function print_multiple_stats() {
if (!$this->dynlabel) { // Only print all when we are not using dynamic labels
$this->graph_title = $this->dyn_title . ' ' . translate('[All Reservations]');
print_stats($this, 'all'); // Print all first
}
foreach ($this->index as $k => $v) {
if ($this->dynlabel) // Call dynamic label handler
eval('$this->' . $this->lbl_fnc . '($k);');
$this->total = isset($this->dyntot[$k]) ? $this->dyntot[$k] : 0; // Set the total
$this->graph_title = $this->dyn_title . ' ' . translate('for') . ' ' . $v; // Set the title
print_stats($this, $k); // Print the graph
}
}
/**
* Returns the total number of items we are working with
* @param none
* @return total number of items in list
*/
function get_total() {
return $this->total;
}
/**
* Get total number of users in the system
* @param none
* @return number of users in system
*/
function get_num_users() {
return $this->numUsers;
}
/**
* Return number of resources in system
* @param none
* @return number of resources in system
*/
function get_num_rs() {
return $this->numRs;
}
/**
* Return number of reservations in system
* @param none
* @return total number of reservations in the system
*/
function get_num_res() {
return $this->numRes;
}
/**
* Returns the calculated percentage with a given value
* Uses the total number of reservations if no total is given
* @param int $val number to get percentage for (numerator)
* @return float value result of the calculation
*/
function get_percent($val) {
if (empty($this->total))
return 0;
return sprintf('%.02d', ($val/$this->total) * 100);
}
/**
* Returns the total time of all the reservations
* @param none
* @return sum of all reservation times
*/
function get_total_time() {
return $this->total_time;
}
/**
* Returns the title of the graph
* @param none
* @return the title of the current graph
*/
function get_title() {
return $this->graph_title;
}
/**
* Dynamic label handler for day of month labels
* @param mixed $index index for currently needed label
*/
function day_of_month_lbl($index) {
unset($this->labels);
for ($i = 1; $i <= $this->days_in_mon[$index-1]; $i++)
$this->labels[$i] = $i;
}
}
?>