401 lines
13 KiB
PHP

<?php
class Crunchbutton_Chart_Churn extends Crunchbutton_Chart {
public $unit = 'users';
public $description = 'Users';
public $groups = array(
'group-churn-rate' => array(
'title' => 'Churn Rate',
'activeDays' => 60,
'charts' => array(
'churn-rate-per-day' => array( 'title' => 'Day', 'interval' => 'day', 'type' => 'column', 'method' => 'byDay' ),
// 'churn-rate-per-week' => array( 'title' => 'Week', 'interval' => 'week', 'type' => 'column', 'method' => 'byWeek'),
// 'churn-rate-per-month' => array( 'title' => 'Month', 'interval' => 'month', 'type' => 'column', 'method' => 'byMonth'),
)
),
'group-churn-rate-per-active-user' => array(
'title' => 'Churn Rate per Active User',
'activeDays' => 60,
'tags' => array( 'investors' ),
'charts' => array(
'churn-rate-per-active-user-per-day' => array( 'title' => 'Day', 'interval' => 'day', 'type' => 'column', 'method' => 'activeByDay'),
// 'churn-rate-per-active-user-per-week' => array( 'title' => 'Week', 'interval' => 'week', 'type' => 'column', 'method' => 'activeByWeek', 'filters' => array( array( 'title' => 'Community', 'type' => 'community', 'method' => 'activeByWeekByCommunity' ) ) ),
// 'churn-rate-per-active-user-per-month' => array( 'title' => 'Month', 'interval' => 'month', 'type' => 'column', 'method' => 'activeByMonth', 'filters' => array( array( 'title' => 'Community', 'type' => 'community', 'method' => 'activeByMonthByCommunity' ) ) ),
)
),
'group-historical-churn-rate-per-active-user' => array(
'title' => 'Historical Churn Rate per Active User',
'activeDays' => 60,
'tags' => array( 'detailed-analytics' ),
'charts' => array(
'historial-churn-rate-per-active-user-per-day' => array( 'title' => 'Day', 'interval' => 'day', 'type' => 'column', 'method' => 'historicalActiveByDay'),
)
),
);
public function __construct() {
parent::__construct();
}
public function historicalActiveByDay( $render = false ){
$user = new Crunchbutton_Chart_User();
$daysForward = $this->activeUsersInterval;
$activeUsers = $user->activeByDay();
$newUsers = $user->newByDay();
$activeLastDays = $this->activeFromLastDays();
$data = [];
for( $i = 0; $i < sizeof( $activeUsers ); $i++ ){
$activeForwardDays = $activeUsers[ ( $i + $daysForward ) ]->Total;
$activeForwardDaysPlusOne = $activeUsers[ ( $i + $daysForward + 1 ) ]->Total;
$newForwardDays = $newUsers[ ( $i + $daysForward ) ]->Total;
$newForwardDaysPlusOne = $newUsers[ ( $i + $daysForward + 1 ) ]->Total;
$churn = ( ( $activeForwardDaysPlusOne + $newForwardDaysPlusOne ) - $activeForwardDaysPlusOne ) / $activeLastDays;
// Do not show the negatives
$churn = ( $churn < 0 ) ? 0 : $churn;
$data[] = ( object ) array( 'Label' => $activeUsers[ $i ]->Label, 'Total' => $churn, 'Type' => 'Users' );
}
if( $render ){
return array( 'data' => $data, 'unit' => $this->unit, 'interval' => 'day' );
}
return $data;
}
public function activeByDay( $render = false ){
/* OLD FORMULA
$user = new Crunchbutton_Chart_User();
$activeUsers = $user->activeByDay();
$newUsers = $user->newByDay();
$data = [];
for( $i = 0; $i < sizeof( $activeUsers ); $i++ ){
$active = $activeUsers[ $i ]->Total;
$new = $newUsers[ $i ]->Total;
if( $i - 1 >= 0 ){
$activePrev = $activeUsers[ $i - 1 ]->Total;
} else {
$activePrev = 0;
}
$lost = ( ( $activePrev + $new ) - $active );
$lost = ( $lost < 0 ) ? 0 : $lost;
// Formula: so, divide the number lost by the previous day's total
if( $activePrev != 0 && $lost != 0 ){
$result = $lost / $activePrev;
} else {
$result = 0;
}
$data[] = ( object ) array( 'Label' => $activeUsers[ $i ]->Label, 'Total' => number_format( $result, 4 ), 'Type' => 'Total' );
}
if( $render ){
return array( 'data' => $data, 'unit' => $this->unit, 'interval' => 'day' );
}
return $data;
*/
$user = new Crunchbutton_Chart_User();
$daysForward = $this->activeUsersInterval;
$activeUsers = $user->activeByDay();
$newUsers = $user->newByDay();
// Formula #2251
$data = [];
for( $i = 0; $i < sizeof( $activeUsers ); $i++ ){
$activeToday = $activeUsers[ $i ];
$activeForwardDays = $activeUsers[ ( $i + $daysForward ) ]->Total;
$activeForwardDaysPlusOne = $activeUsers[ ( $i + $daysForward + 1 ) ]->Total;
$newForwardDays = $newUsers[ ( $i + $daysForward ) ]->Total;
$newForwardDaysPlusOne = $newUsers[ ( $i + $daysForward + 1 ) ]->Total;
$churn = ( ( $activeForwardDaysPlusOne + $newForwardDaysPlusOne ) - $activeForwardDaysPlusOne ) / $activeToday;
// Do not show the negatives
// $churn = ( $churn < 0 ) ? 0 : $churn;
$data[] = ( object ) array( 'Label' => $activeUsers[ $i ]->Label, 'Total' => $churn, 'Type' => 'Users' );
}
if( $render ){
return array( 'data' => $data, 'unit' => '%', 'interval' => 'day' );
}
return $data;
}
public function activeByMonthByCommunity( $render = false ){
$user = new Crunchbutton_Chart_User();
$activeUsers = $user->activeByMonthByCommunity();
$newUsers = $user->newByMonthByCommunityGrouped();
$communities = $this->allCommunities();
$_data = [];
$_prev = [];
foreach ( $activeUsers as $active ) {
if( !$_data[ $active->Label ] ){
$_data[ $active->Label ] = [];
}
$_data[ $active->Label ][ 'ActiveUser' ][ $active->Type ] = $active->Total;
$_data[ $active->Label ][ 'ActiveUserPrev' ][ $active->Type ] = ( $_prev[ $active->Type ] ? $_prev[ $active->Type ] : 0 );
$_prev[ $active->Type ] = $active->Total;
}
foreach ( $newUsers as $newUser ) {
if( !$_data[ $newUser->Label ] ){
$_data[ $newUser->Label ] = [];
}
$_data[ $newUser->Label ][ 'NewUser' ][ $newUser->Type ] = $newUser->Total;
}
$data = [];
foreach ( $_data as $label => $values ) {
foreach( $communities as $community ){
$active = $values[ 'ActiveUser' ][ $community ];
$newUser = $values[ 'NewUser' ][ $community ];
$prev = $values[ 'ActiveUserPrev' ][ $community ];
$lost = ( ( $prev + $newUser ) - $active );
$lost = ( $lost < 0 ) ? 0 : $lost;
// Formula: so, divide the number lost by the previous week's total
if( $prev != 0 && $lost != 0 ){
$result = $lost / $prev;
} else {
$result = 0;
}
$data[] = ( object ) array( 'Label' => $label, 'Total' => $result, 'Type' => $community );
}
}
if( $render ){
return array( 'data' => $data, 'unit' => $this->unit, 'interval' => 'month' );
}
return $data;
}
public function activeByMonth( $render = false ){
$user = new Crunchbutton_Chart_User();
$activeUsers = $user->activeByMonth();
$newUsers = $user->newByMonth();
$data = [];
for( $i = 0; $i < sizeof( $activeUsers ); $i++ ){
$active = $activeUsers[ $i ]->Total;
$new = $newUsers[ $i ]->Total;
if( $i - 1 >= 0 ){
$activePrev = $activeUsers[ $i - 1 ]->Total;
} else {
$activePrev = 0;
}
$lost = ( ( $activePrev + $new ) - $active );
$lost = ( $lost < 0 ) ? 0 : $lost;
// Formula: so, divide the number lost by the previous month's total
if( $activePrev != 0 && $lost != 0 ){
$result = $lost / $activePrev;
} else {
$result = 0;
}
$data[] = ( object ) array( 'Label' => $activeUsers[ $i ]->Label, 'Total' => number_format( $result, 4 ), 'Type' => 'Total' );
}
if( $render ){
return array( 'data' => $data, 'unit' => $this->unit, 'interval' => 'month' );
}
return $data;
}
public function activeByWeek( $render = false ){
$user = new Crunchbutton_Chart_User();
$activeUsers = $user->activeByWeek();
$newUsers = $user->newByWeek();
$data = [];
for( $i = 0; $i < sizeof( $activeUsers ); $i++ ){
$active = $activeUsers[ $i ]->Total;
$new = $newUsers[ $i ]->Total;
if( $i - 1 >= 0 ){
$activePrev = $activeUsers[ $i - 1 ]->Total;
} else {
$activePrev = 0;
}
$lost = ( ( $activePrev + $new ) - $active );
$lost = ( $lost < 0 ) ? 0 : $lost;
// Formula: so, divide the number lost by the previous week's total
if( $activePrev != 0 && $lost != 0 ){
$result = $lost / $activePrev;
} else {
$result = 0;
}
$data[] = ( object ) array( 'Label' => $activeUsers[ $i ]->Label, 'Total' => number_format( $result, 4 ), 'Type' => 'Total' );
}
if( $render ){
return array( 'data' => $data, 'unit' => $this->unit );
}
return $data;
}
public function activeByWeekByCommunity( $render = false ){
$user = new Crunchbutton_Chart_User();
$activeUsers = $user->activeByWeekByCommunity();
$newUsers = $user->newByWeekByCommunityGrouped();
$communities = $this->allCommunities();
$_data = [];
$_prev = [];
foreach ( $activeUsers as $active ) {
if( !$_data[ $active->Label ] ){
$_data[ $active->Label ] = [];
}
$_data[ $active->Label ][ 'ActiveUser' ][ $active->Type ] = $active->Total;
$_data[ $active->Label ][ 'ActiveUserPrev' ][ $active->Type ] = ( $_prev[ $active->Type ] ? $_prev[ $active->Type ] : 0 );
$_prev[ $active->Type ] = $active->Total;
}
foreach ( $newUsers as $newUser ) {
if( !$_data[ $newUser->Label ] ){
$_data[ $newUser->Label ] = [];
}
$_data[ $newUser->Label ][ 'NewUser' ][ $newUser->Type ] = $newUser->Total;
}
$data = [];
foreach ( $_data as $label => $values ) {
foreach( $communities as $community ){
$active = $values[ 'ActiveUser' ][ $community ];
$newUser = $values[ 'NewUser' ][ $community ];
$prev = $values[ 'ActiveUserPrev' ][ $community ];
$lost = ( ( $prev + $newUser ) - $active );
$lost = ( $lost < 0 ) ? 0 : $lost;
// Formula: so, divide the number lost by the previous week's total
if( $prev != 0 && $lost != 0 ){
$result = $lost / $prev;
} else {
$result = 0;
}
$data[] = ( object ) array( 'Label' => $label, 'Total' => $result, 'Type' => $community );
}
}
if( $render ){
return array( 'data' => $data, 'unit' => $this->unit );
}
return $data;
}
public function byWeek( $render = false ){
$user = new Crunchbutton_Chart_User();
$activeUsers = $user->activeByWeek();
$newUsers = $user->newByWeek();
$data = [];
for( $i = 0; $i < sizeof( $activeUsers ); $i++ ){
$active = $activeUsers[ $i ]->Total;
$new = $newUsers[ $i ]->Total;
if( $i - 1 >= 0 ){
$activePrev = $activeUsers[ $i - 1 ]->Total;
} else {
$activePrev = 0;
}
$churn = ( ( $activePrev + $new ) - $active );
// Do not show the negatives
$churn = ( $churn < 0 ) ? 0 : $churn;
$data[] = ( object ) array( 'Label' => $activeUsers[ $i ]->Label, 'Total' => $churn, 'Type' => 'Users' );
}
if( $render ){
return array( 'data' => $data, 'unit' => $this->unit );
}
return $data;
}
public function byDay( $render = false ){
/* THE OLD AND WRONG FORMULA
$user = new Crunchbutton_Chart_User();
$activeUsers = $user->activeByDay();
$newUsers = $user->newByDay();
$data = [];
for( $i = 0; $i < sizeof( $activeUsers ); $i++ ){
$active = $activeUsers[ $i ]->Total;
$new = $newUsers[ $i ]->Total;
if( $i - 1 >= 0 ){
$activePrev = $activeUsers[ $i - 1 ]->Total;
} else {
$activePrev = 0;
}
$churn = ( ( $activePrev + $new ) - $active );
// Do not show the negatives
$churn = ( $churn < 0 ) ? 0 : $churn;
$data[] = ( object ) array( 'Label' => $activeUsers[ $i ]->Label, 'Total' => $churn, 'Type' => 'Users' );
}
if( $render ){
return array( 'data' => $data, 'unit' => $this->unit, 'interval' => 'day' );
}
return $data;
*/
$user = new Crunchbutton_Chart_User();
$daysForward = $this->activeUsersInterval;
$activeUsers = $user->activeByDay();
$newUsers = $user->newByDay();
// Formula #2251
$data = [];
for( $i = 0; $i < sizeof( $activeUsers ); $i++ ){
$activeForwardDays = $activeUsers[ ( $i + $daysForward ) ]->Total;
$activeForwardDaysPlusOne = $activeUsers[ ( $i + $daysForward + 1 ) ]->Total;
$newForwardDays = $newUsers[ ( $i + $daysForward ) ]->Total;
$newForwardDaysPlusOne = $newUsers[ ( $i + $daysForward + 1 ) ]->Total;
$churn = ( ( $activeForwardDaysPlusOne + $newForwardDaysPlusOne ) - $activeForwardDaysPlusOne );
// Do not show the negatives
$churn = ( $churn < 0 ) ? 0 : $churn;
$data[] = ( object ) array( 'Label' => $activeUsers[ $i ]->Label, 'Total' => $churn, 'Type' => 'Users' );
}
if( $render ){
return array( 'data' => $data, 'unit' => $this->unit, 'interval' => 'day' );
}
return $data;
}
public function byMonth( $render = false ){
$user = new Crunchbutton_Chart_User();
$activeUsers = $user->activeByMonth();
$newUsers = $user->newByMonth();
$data = [];
for( $i = 0; $i < sizeof( $activeUsers ); $i++ ){
$active = $activeUsers[ $i ]->Total;
$new = $newUsers[ $i ]->Total;
if( $i - 1 >= 0 ){
$activePrev = $activeUsers[ $i - 1 ]->Total;
} else {
$activePrev = 0;
}
$churn = ( ( $activePrev + $new ) - $active );
// Do not show the negatives
$churn = ( $churn < 0 ) ? 0 : $churn;
$data[] = ( object ) array( 'Label' => $activeUsers[ $i ]->Label, 'Total' => $churn, 'Type' => 'Users' );
}
if( $render ){
return array( 'data' => $data, 'unit' => $this->unit, 'interval' => 'month' );
}
return $data;
}
}