<?php
/**
* @brief Dynamic Chart Helper with user-supplied results
* @author <a href='https://www.invisioncommunity.com'>Invision Power Services, Inc.</a>
* @copyright (c) Invision Power Services, Inc.
* @license https://www.invisioncommunity.com/legal/standards/
* @package Invision Community
* @since 28 Mar 2017
*/
namespace IPS\Helpers\Chart;
/* To prevent PHP errors (extending class does not exist) revealing path */
if ( !\defined( '\IPS\SUITE_UNIQUE_KEY' ) )
{
header( ( isset( $_SERVER['SERVER_PROTOCOL'] ) ? $_SERVER['SERVER_PROTOCOL'] : 'HTTP/1.0' ) . ' 403 Forbidden' );
exit;
}
/**
* Dynamic Chart Helper with user supplied results.
* This is similar to \IPS\Helpers\Chart\Database but with results supplied manually in user-land code.
* Useful when you need to merge results from multiple sources.
*/
class _Callback extends \IPS\Helpers\Chart\Dynamic
{
/**
* @brief Callback to retrieve results
*/
public $callback;
/**
* @brief Custom form
*/
public $customFiltersForm = FALSE;
/**
* Constructor
*
* @param \IPS\Http\Url $url The URL the chart will be displayed on
* @param callable $callback Callback to fetch results
* @param string $title Title
* @param array $options Options
* @param string $defaultType The default chart type
* @param string $defaultTimescale The default timescale to use
* @param array $defaultTimes The default start/end times to use
* @param string $identifier If there will be more than one chart per page, provide a unique identifier
* @param \IPS\DateTime|NULL $minimumDate The earliest available date for this chart
* @see <a href='https://google-developers.appspot.com/chart/interactive/docs/gallery'>Charts Gallery - Google Charts - Google Developers</a>
* @return void
*/
public function __construct( \IPS\Http\Url $url, $callback=NULL, $title='', $options=array(), $defaultType='AreaChart', $defaultTimescale='monthly', $defaultTimes=array( 'start' => 0, 'end' => 0 ), $identifier='', $minimumDate=NULL )
{
$this->identifier = \substr( md5( (string) $url ), 0, 6 ) . $identifier . ( \IPS\Request::i()->chartId ?: '_default' );
$this->callback = $callback;
parent::__construct( $url, $title, $options, $defaultType, $defaultTimescale, $defaultTimes, $identifier, $minimumDate );
}
/**
* Add Series
*
* @param string $name Name
* @param string $type Type of value
* @li string
* @li number
* @li boolean
* @li date
* @li datetime
* @li timeofday
* @param bool $filterable If TRUE, will show as a filter option to be toggled on/off
* @return void
*/
public function addSeries( $name, $type, $filterable=TRUE )
{
\IPS\Member::loggedIn()->language()->parseOutputForDisplay( $name );
$filterKey = $name;
if ( !$filterable or !isset( \IPS\Request::i()->filters[ $this->identifier ] ) or \in_array( $filterKey, \IPS\Request::i()->filters[ $this->identifier ] ) )
{
if ( $this->type !== 'PieChart' and $this->type !== 'GeoChart' )
{
$this->addHeader( $name, $type );
}
$this->series[ $filterKey ] = $filterKey;
if ( $filterable )
{
$this->currentFilters[] = $filterKey;
if ( isset( \IPS\Request::i()->filters[ $this->identifier ] ) )
{
$this->url = $this->url->setQueryString( 'filters', array( $this->identifier => $this->currentFilters ) );
}
}
}
if ( $filterable )
{
$this->availableFilters[ $filterKey ] = $name;
}
}
/**
* Compile Data for Output
*
* @param array $data The data
* @return void
*/
public function compileForOutput()
{
/* Init data */
$data = $this->initData();
/* Get rows */
$callbackFunction = $this->callback;
$rows = $callbackFunction( $this );
/* Pie Chart */
if ( $this->type === 'PieChart' or $this->type === 'GeoChart' )
{
foreach ( $rows as $k => $v )
{
if( \count( $this->availableFilters ) and !\in_array( $k, $this->currentFilters ) )
{
continue;
}
$this->addRow( array( 'key' => $this->availableFilters[ $k ], 'value' => $v ) );
}
}
/* Graph */
else
{
foreach ( $rows as $row )
{
$result = array();
foreach( $this->series as $column )
{
$result[ $column ] = $row[ $column ];
}
$data[ $row['time'] ] = $result;
}
ksort( $data, SORT_NATURAL );
/* Add to graph */
$min = NULL;
$max = NULL;
foreach ( $data as $time => $d )
{
$datetime = new \IPS\DateTime;
if ( \IPS\Member::loggedIn()->timezone )
{
try
{
$datetime->setTimezone( new \DateTimeZone( \IPS\Member::loggedIn()->timezone ) );
}
catch ( \Exception $e )
{
\IPS\Member::loggedIn()->timezone = null;
\IPS\Member::loggedIn()->save();
}
}
$datetime->setTime( 0, 0, 0 );
$exploded = explode( '-', $time );
if( $this->enableHourly === TRUE AND $this->timescale == 'hourly' )
{
$datetime->setDate( (float) $exploded[0], $exploded[1], $exploded[2] );
$datetime->setTime( $exploded[3], $exploded[4], $exploded[5] );
}
else
{
switch ( $this->timescale )
{
case 'none':
$datetime = \IPS\DateTime::ts( $time );
break;
case 'daily':
$datetime->setDate( (float) $exploded[0], $exploded[1], $exploded[2] );
//$datetime = $datetime->localeDate();
break;
case 'weekly':
$datetime->setISODate( (float) $exploded[0], $exploded[1] );
//$datetime = $datetime->localeDate();
break;
case 'monthly':
$datetime->setDate( (float) $exploded[0], $exploded[1], 1 );
//$datetime = $datetime->format( 'F Y' );
break;
}
}
if ( empty( $d ) )
{
if ( empty( $this->series ) )
{
$this->addRow( array( $datetime ) );
}
else
{
$this->addRow( array_merge( array( $datetime ), array_fill( 0, \count( $this->series ), 0 ) ) );
}
}
else
{
if( \count($d) < \count($this->series) )
{
$this->addRow( array_merge( array( $datetime ), $d, array_fill( 0, \count($this->series) - \count($d), 0 ) ) );
}
else
{
$this->addRow( array_merge( array( $datetime ), $d ) );
}
}
}
if ( \count( $data ) === 1 )
{
$this->options['domainAxis']['type'] = 'category';
}
}
}
/**
* Get the chart output
*
* @return string
*/
public function getOutput()
{
$this->compileForOutput();
if ( isset( \IPS\Request::i()->download ) )
{
return $this->download();
}
else
{
return $this->render( $this->type, $this->options, $this->format );
}
}
}