<?php
/**
* @brief Dynamic Database Chart Helper
* @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 27 Aug 2013
*/
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 Database Chart Helper
*/
class _Database extends \IPS\Helpers\Chart\Dynamic
{
/**
* @brief Database Table
*/
protected $table;
/**
* @brief Database column that contains date
*/
protected $dateField;
/**
* @brief Where clauses
*/
public $where = array();
/**
* @brief Query joins
*/
public $joins = array();
/**
* @brief Extra column to group by (useful for multi-data line charts)
*/
public $groupBy = '';
/**
* @brief Group by keys for the series
*/
protected $groupByKeys = array();
/**
* @brief Table Columns
*/
public $tableInclude = array();
/**
* @brief Table Column Formatters
*/
public $tableParsers = array();
/**
* Constructor
*
* @param \IPS\Http\Url $url The URL the chart will be displayed on
* @param string $table Database Table
* @param string $dateField Database column that contains date
* @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 array $tableInclude Table columns to include in results
* @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, $table, $dateField, $title='', $options=array(), $defaultType='AreaChart', $defaultTimescale='monthly', $defaultTimes=array( 'start' => 0, 'end' => 0 ), $tableInclude=array(), $identifier='', $minimumDate=NULL )
{
$this->table = $table;
$this->dateField = $dateField;
$this->identifier = \substr( md5( $table . $dateField ), 0, 6 ) . ( $identifier ?: ( \IPS\Request::i()->chartId ?: '_default' ) );
if ( !empty( $tableInclude ) )
{
$this->tableInclude = $tableInclude;
}
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 string $sql SQL expression to get value
* @param bool $filterable If TRUE, will show as a filter option to be toggled on/off
* @param string $groupByKey If $this->groupBy is set, the raw key value
* @return void
*/
public function addSeries( $name, $type, $sql, $filterable=TRUE, $groupByKey=NULL )
{
if ( $groupByKey !== NULL )
{
$filterKey = $groupByKey;
}
else
{
\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 );
}
if( $this->groupBy )
{
$this->groupByKeys[] = $groupByKey;
}
$this->series[ $filterKey ] = $sql;
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;
}
}
/**
* Get the chart output
*
* @return string
*/
public function getOutput()
{
/* Auto-support tables where appropriate */
if ( !empty( $this->tableInclude ) )
{
if( !array_search( 'Table', $this->availableTypes ) )
{
$this->availableTypes[] = 'Table';
}
}
/* Init data */
$data = $this->initData();
/* Work out where clause */
$where = $this->where;
$where[] = array( "{$this->dateField}>?", 0 );
if ( $this->start )
{
$where[] = array( "{$this->dateField}>?", $this->start->getTimestamp() );
}
if ( $this->end )
{
$where[] = array( "{$this->dateField}<?", $this->end->getTimestamp() );
}
/* What's our SQL time? */
switch ( $this->timescale )
{
case 'hourly':
$timescale = '%Y-%c-%e-%H-%i-%s';
break;
case 'daily':
$timescale = '%Y-%c-%e';
break;
case 'weekly':
$timescale = '%Y-%u';
break;
case 'monthly':
$timescale = '%Y-%c';
break;
}
/* Table... */
if ( $this->type === 'Table' )
{
/* Are we filtering? */
if( $this->groupBy )
{
if( count( $this->availableFilters ) AND count( $this->currentFilters ) )
{
$where[] = array( \IPS\Db::i()->in( $this->groupBy, $this->currentFilters ) );
}
}
$table = new \IPS\Helpers\Table\Db( $this->table, $this->url, $where );
$table->joins = $this->joins;
if( count( $this->tableInclude ) )
{
$table->include = $this->tableInclude;
}
$table->parsers = $this->tableParsers;
$table->sortBy = $table->sortBy ?: $this->dateField;
$output = (string) $table;
return $output;
}
/* Pie Chart */
if ( $this->type === 'PieChart' or $this->type === 'GeoChart' )
{
$keys = array_unique( $this->series );
$key = array_pop( $keys );
$stmt = \IPS\Db::i()->select(
"{$key}" . ( $this->groupBy ? ", {$this->groupBy}" : '' ),
$this->table,
$where,
NULL,
NULL,
$this->groupBy
)->setKeyField( $this->groupBy )->setValueField( $key );
if( count( $this->joins ) )
{
foreach( $this->joins as $join )
{
$stmt = $stmt->join( $join[0], $join[1], ( isset( $join[2] ) ? $join[2] : 'LEFT' ), ( isset( $join[3] ) ? $join[3] : FALSE ) );
}
}
foreach ( $stmt as $k => $v )
{
if( count( $this->availableFilters ) and !in_array( $k, $this->currentFilters ) )
{
continue;
}
$this->addRow( array( 'key' => $this->availableFilters[ $k ], 'value' => $v ) );
}
$output = $this->render( $this->type, $this->options, $this->format );
}
/* Graph */
else
{
/* Fetch */
$fromUnixTime = "FROM_UNIXTIME( IFNULL( {$this->dateField}, 0 ) )";
if ( !$this->timezoneError and \IPS\Member::loggedIn()->timezone and in_array( \IPS\Member::loggedIn()->timezone, \DateTimeZone::listIdentifiers() ) )
{
$fromUnixTime = "CONVERT_TZ( {$fromUnixTime}, @@session.time_zone, '" . \IPS\Db::i()->escape_string( \IPS\Member::loggedIn()->timezone ) . "' )";
}
$stmt = \IPS\Db::i()->select(
"DATE_FORMAT( {$fromUnixTime}, '{$timescale}' ) AS time_as_alias, " . implode( ', ', array_unique( $this->series ) ) . ( $this->groupBy ? ", " . $this->groupBy : '' ),
$this->table,
$where,
'time_as_alias ASC',
NULL,
$this->groupBy ? array( 'time_as_alias', $this->groupBy ) : 'time_as_alias'
);
if( count( $this->joins ) )
{
foreach( $this->joins as $join )
{
$stmt = $stmt->join( $join[0], $join[1], ( isset( $join[2] ) ? $join[2] : 'LEFT' ), ( isset( $join[3] ) ? $join[3] : FALSE ) );
}
}
foreach ( $stmt as $row )
{
$result = array();
if( $this->groupBy )
{
if( count( $this->availableFilters ) AND !in_array( $row[ $this->groupBy ], $this->currentFilters ) )
{
continue;
}
}
foreach( $this->series as $column )
{
if( $this->groupBy )
{
if( empty( $data[ $row['time_as_alias'] ] ) )
{
$result = array( $row[ $this->groupBy ] => $row[ $column ] );
}
else
{
$result = $data[ $row['time_as_alias'] ];
$result[ $row[ $this->groupBy ] ] = $row[ $column ];
}
}
else
{
$result[ $column ] = $row[ $column ];
}
}
$data[ $row['time_as_alias'] ] = $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( $this->groupBy )
{
$_values = array();
foreach ( $this->series as $id => $col )
{
$_values[ $id ] = ( isset( $d[ $id ] ) ) ? $d[ $id ] : ( $this->plotZeros ? 0 : NULL );
}
$this->addRow( array_merge( array( $datetime ), $_values ) );
}
else
{
if( count($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';
}
$output = $this->render( $this->type, $this->options, $this->format );
}
return $output;
}
}