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add piwik installation

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coderkun 2014-04-25 03:56:02 +02:00
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www/analytics/core/MetricsFormatter.php Normal file
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<?php
/**
* Piwik - Open source web analytics
*
* @link http://piwik.org
* @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
*
*/
namespace Piwik;
use Piwik\Tracker\GoalManager;
/**
* Contains helper function that format numerical values in different ways.
*
* @api
*/
class MetricsFormatter
{
/**
* Returns a prettified string representation of a number. The result will have
* thousands separators and a decimal point specific to the current locale, eg,
* `'1,000,000.05'` or `'1.000.000,05'`.
*
* @param number $value
* @return string
*/
public static function getPrettyNumber($value)
{
static $decimalPoint = null;
static $thousandsSeparator = null;
if ($decimalPoint === null) {
$locale = localeconv();
$decimalPoint = $locale['decimal_point'];
$thousandsSeparator = $locale['thousands_sep'];
}
return number_format($value, 0, $decimalPoint, $thousandsSeparator);
}
/**
* Returns a prettified time value (in seconds).
*
* @param int $numberOfSeconds The number of seconds.
* @param bool $displayTimeAsSentence If set to true, will output `"5min 17s"`, if false `"00:05:17"`.
* @param bool $isHtml If true, replaces all spaces with `'&nbsp;'`.
* @param bool $round Whether to round to the nearest second or not.
* @return string
*/
public static function getPrettyTimeFromSeconds($numberOfSeconds, $displayTimeAsSentence = true, $isHtml = true, $round = false)
{
$numberOfSeconds = $round ? (int)$numberOfSeconds : (float)$numberOfSeconds;
$isNegative = false;
if ($numberOfSeconds < 0) {
$numberOfSeconds = -1 * $numberOfSeconds;
$isNegative = true;
}
// Display 01:45:17 time format
if ($displayTimeAsSentence === false) {
$hours = floor($numberOfSeconds / 3600);
$minutes = floor(($reminder = ($numberOfSeconds - $hours * 3600)) / 60);
$seconds = floor($reminder - $minutes * 60);
$time = sprintf("%02s", $hours) . ':' . sprintf("%02s", $minutes) . ':' . sprintf("%02s", $seconds);
$centiSeconds = ($numberOfSeconds * 100) % 100;
if ($centiSeconds) {
$time .= '.' . sprintf("%02s", $centiSeconds);
}
if ($isNegative) {
$time = '-' . $time;
}
return $time;
}
$secondsInYear = 86400 * 365.25;
$years = floor($numberOfSeconds / $secondsInYear);
$minusYears = $numberOfSeconds - $years * $secondsInYear;
$days = floor($minusYears / 86400);
$minusDays = $numberOfSeconds - $days * 86400;
$hours = floor($minusDays / 3600);
$minusDaysAndHours = $minusDays - $hours * 3600;
$minutes = floor($minusDaysAndHours / 60);
$seconds = $minusDaysAndHours - $minutes * 60;
$precision = ($seconds > 0 && $seconds < 0.01 ? 3 : 2);
$seconds = round($seconds, $precision);
if ($years > 0) {
$return = sprintf(Piwik::translate('General_YearsDays'), $years, $days);
} elseif ($days > 0) {
$return = sprintf(Piwik::translate('General_DaysHours'), $days, $hours);
} elseif ($hours > 0) {
$return = sprintf(Piwik::translate('General_HoursMinutes'), $hours, $minutes);
} elseif ($minutes > 0) {
$return = sprintf(Piwik::translate('General_MinutesSeconds'), $minutes, $seconds);
} else {
$return = sprintf(Piwik::translate('General_Seconds'), $seconds);
}
if ($isNegative) {
$return = '-' . $return;
}
if ($isHtml) {
return str_replace(' ', '&nbsp;', $return);
}
return $return;
}
/**
* Returns a prettified memory size value.
*
* @param number $size The size in bytes.
* @param string $unit The specific unit to use, if any. If null, the unit is determined by $size.
* @param int $precision The precision to use when rounding.
* @return string eg, `'128 M'` or `'256 K'`.
*/
public static function getPrettySizeFromBytes($size, $unit = null, $precision = 1)
{
if ($size == 0) {
return '0 M';
}
$units = array('B', 'K', 'M', 'G', 'T');
foreach ($units as $currentUnit) {
if ($size >= 1024 && $unit != $currentUnit) {
$size = $size / 1024;
} else {
break;
}
}
return round($size, $precision) . " " . $currentUnit;
}
/**
* Returns a pretty formated monetary value using the currency associated with a site.
*
* @param int|string $value The monetary value to format.
* @param int $idSite The ID of the site whose currency will be used.
* @param bool $isHtml If true, replaces all spaces with `'&nbsp;'`.
* @return string
*/
public static function getPrettyMoney($value, $idSite, $isHtml = true)
{
$currencyBefore = MetricsFormatter::getCurrencySymbol($idSite);
$space = ' ';
if ($isHtml) {
$space = '&nbsp;';
}
$currencyAfter = '';
// manually put the currency symbol after the amount for euro
// (maybe more currencies prefer this notation?)
if (in_array($currencyBefore, array('€', 'kr'))) {
$currencyAfter = $space . $currencyBefore;
$currencyBefore = '';
}
// if the input is a number (it could be a string or INPUT form),
// and if this number is not an int, we round to precision 2
if (is_numeric($value)) {
if ($value == round($value)) {
// 0.0 => 0
$value = round($value);
} else {
$precision = GoalManager::REVENUE_PRECISION;
$value = sprintf("%01." . $precision . "f", $value);
}
}
$prettyMoney = $currencyBefore . $space . $value . $currencyAfter;
return $prettyMoney;
}
/**
* Prettifies a metric value based on the column name.
*
* @param int $idSite The ID of the site the metric is for (used if the column value is an amount of money).
* @param string $columnName The metric name.
* @param mixed $value The metric value.
* @param bool $isHtml If true, replaces all spaces with `'&nbsp;'`.
* @return string
*/
public static function getPrettyValue($idSite, $columnName, $value, $isHtml)
{
// Display time in human readable
if (strpos($columnName, 'time') !== false) {
// Little hack: Display 15s rather than 00:00:15, only for "(avg|min|max)_generation_time"
$timeAsSentence = (substr($columnName, -16) == '_time_generation');
return self::getPrettyTimeFromSeconds($value, $timeAsSentence);
}
// Add revenue symbol to revenues
if (strpos($columnName, 'revenue') !== false && strpos($columnName, 'evolution') === false) {
return self::getPrettyMoney($value, $idSite, $isHtml);
}
// Add % symbol to rates
if (strpos($columnName, '_rate') !== false) {
if (strpos($value, "%") === false) {
return $value . "%";
}
}
return $value;
}
/**
* Returns the currency symbol for a site.
*
* @param int $idSite The ID of the site to return the currency symbol for.
* @return string eg, `'$'`.
*/
public static function getCurrencySymbol($idSite)
{
$symbols = MetricsFormatter::getCurrencyList();
$site = new Site($idSite);
$currency = $site->getCurrency();
if (isset($symbols[$currency])) {
return $symbols[$currency][0];
}
return '';
}
/**
* Returns the list of all known currency symbols.
*
* @return array An array mapping currency codes to their respective currency symbols
* and a description, eg, `array('USD' => array('$', 'US dollar'))`.
*/
public static function getCurrencyList()
{
static $currenciesList = null;
if (is_null($currenciesList)) {
require_once PIWIK_INCLUDE_PATH . '/core/DataFiles/Currencies.php';
$currenciesList = $GLOBALS['Piwik_CurrencyList'];
}
return $currenciesList;
}
}