HexMakina / Lezer

Lezer.php

<?php
/*
 * i18n class called Lezer, shorthand L
 * honnors Ludwik *Lejzer* Zamenhof (Polish: Ludwik Łazarz Zamenhof; 15 December [O.S. 3 December] 1859 – 14 April [O.S. 1 April] 1917),
 * a medical doctor, inventor, and writer; most widely known for creating Esperanto.
 *
 * also Lezer is dutch for Reader, and it sounds like LASER, which is kinda cool.
 */
namespace HexMakina\Lezer;

use \HexMakina\LocalFS\FileSystem;
use \HexMakina\Tempus\{Dato,DatoTempo,Tempo};

The type HexMakina\Tempus\DatoTempo was not found. Maybe you did not declare it correctly or list all dependencies?

The type HexMakina\Tempus\Dato was not found. Maybe you did not declare it correctly or list all dependencies?

The type HexMakina\Tempus\Tempo was not found. Maybe you did not declare it correctly or list all dependencies?

class Lezer extends \i18n{

  private $detected_language_files = [];
  private $detected_language_env = [];

  // protected $basePath = 'locale';
  // protected $filePath = 'locale/{LANGUAGE}/user_interface.ini'; // uses gettext hierarchy
  // protected $cachePath = 'locale/cache/';
  // protected $fallbackLang = 'fra';  // uses ISO-639-3
  protected $currentLang = null;

  public function one_language()
  {
    $this->detect_language_files();
    $this->detect_language_env();
    $the_one_language = current(array_intersect($this->detect_language_files(), $this->detect_language_env()));

    if($the_one_language)
      $this->setForcedLang($the_one_language);

    return $the_one_language;
  }

  public function detect_language_files()
  {
    $files = FileSystem::preg_scandir(dirname($this->filePath), '/.json$/');
    if(empty($files))
      return [];

    $files = implode('',$files);
    $res = preg_match_all('/([a-z]{3})\.json/', $files, $m);
    if($res) // false or 0 is none found
      $this->detected_language_files = $m[1];
    return $this->detected_language_files;
  }

  public function compileFunction()
  {
    return ''
    . "function ".$this->prefix .'($string, $args=NULL) {'."\n"
    . '    if (!defined("'.$this->prefix.'::".$string))'
    . '       return $string;'
    . '    $return = constant("'.$this->prefix.'::".$string);'."\n"
    . '    return $args ? vsprintf($return,$args) : $return;'
    . "\n}";
  }
  /**
   * getUserLangs()
   * Returns the user languages
   * Normally it returns an array like this:
   * 1. Forced language
   * 2. Language in $_GET['lang']
   * 3. Language in $_SESSION['lang']
   * 4. COOKIE
   * 5. Fallback language
   * Note: duplicate values are deleted.
   *
   * @return array with the user languages sorted by priority.
   */
  public function detect_language_env() {
      $userLangs = array();

      // 1. forced language
      if ($this->forcedLang != NULL) {
          $userLangs['forced'] = $this->forcedLang;
      }

      // 2. GET parameter 'lang'
      if (isset($_GET['lang']) && is_string($_GET['lang'])) {
          $userLangs['get'] = $_GET['lang'];
      }

      // 3. SESSION parameter 'lang'
      if (isset($_SESSION['lang']) && is_string($_SESSION['lang'])) {
          $userLangs['session'] = $_SESSION['lang'];
      }

      // 4. COOKIES
      if (isset($_COOKIE['lang']) && is_string($_COOKIE['lang'])) {
          $userLangs['cookie'] = $_COOKIE['lang'];
      }

      // Lowest priority: fallback
      $userLangs['fallback'] = $this->fallbackLang;
      // remove duplicate elements
      $userLangs = array_unique($userLangs);

      // remove illegal userLangs
      foreach ($userLangs as $key => $value) {
          // only allow a-z, A-Z and 0-9 and _ and -
          if (preg_match('/^[a-zA-Z0-9_-]*$/', $value) === 1)
              $this->detected_language_env[$key] = $value;
      }

      return $this->detected_language_env;
  }


  public static function model_type_to_label($form_model)
  {
    return L(sprintf('MODEL_%s_INSTANCE',get_class($form_model)::model_type()));
  }
  public static function field_name_to_label($form_model, $field_name)
  {
    return L(sprintf('MODEL_%s_FIELD_%s',(get_class($form_model))::model_type(), $field_name));
  }

  // options['decimals'] = int
  // options['abbrev'] = mixed: key needs to be set
  public static function when($event, $options=[])
  {
    try {
      $amount_of_days = DatoTempo::days_diff(new \DateTime($event), new \DateTime());

    } catch (\Exception $e) {
      return __FUNCTION__.': error';
    }

    if($amount_of_days === -1)
      return L('DATETIME_RANGE_YESTERDAY');
    elseif($amount_of_days === 0)
      return L('DATETIME_RANGE_TODAY');
    elseif($amount_of_days === 1)
      return L('DATETIME_RANGE_TOMORROW');


    $datetime_parts = [
      'y' => 'DATETIME_UNIT_YEAR',
      'm' => 'DATETIME_UNIT_MONTH',
      'w' => 'DATETIME_UNIT_WEEK',
      'd' => 'DATETIME_UNIT_DAY',
      'h' => 'DATETIME_UNIT_HOUR',
      'i' => 'DATETIME_UNIT_MINUTE',
      's' => 'DATETIME_UNIT_SECOND'
    ];

    $date_diff = DatoTempo::days_diff_in_parts(abs($amount_of_days));
    $ordering = [];
    foreach($datetime_parts as $unit => $label)
    {
      if(!isset($date_diff[$unit]))
        continue;

      $qty = (int)$date_diff[$unit];

      if($qty === 0)
        continue;

      if(isset($options['abbrev']))
        $label.= '_ABBREV';
      elseif($qty > 1)
        $label.= '_PLURAL';

      $ordering[$unit] = $qty.' '.L($label).'.';
    }
    $ret = (isset($amount_of_days) && $amount_of_days >= 0) ? L('DATETIME_RANGE_PREFIX_FUTURE') : L('DATETIME_RANGE_PREFIX_PAST');
    $ret.= ' '.implode(' & ', array_slice($ordering, 0,2));

    return $ret;
  }

  public static function time($time_string, $short=true)
  {
    if ($short === true)
      $time_string = substr($time_string, 0, 5);
    return $time_string;
  }

  public static function human_date($date_string, $short=true)
  {
    if($date_string === '0000-00-00' || empty($date_string))
      return L('MODEL_common_VALUE_EMPTY');

    if(preg_match('/^[0-9]{4}$/', $date_string) === 1)
      return intval($date_string);

    list($year, $month, $day) = explode('-',$date_string);

    $ret = intval($day).' '.L("DATETIME_CALENDAR_MONTH_$month");

    if($short === true && Dato::format(null, 'Y') === $year)
      return $ret;
    else
      return "$ret $year";
  }

  public static function human_month($date_string)
  {
    return L('DATETIME_CALENDAR_MONTH_'.Dato::format($date_string, 'm'));
  }

  public static function human_day($date_string)
  {
    return L('DATETIME_CALENDAR_DAY_'.Dato::format($date_string, 'N'));
  }

  public static function human_seconds($seconds)
  {
    $hours = floor($seconds / 3600);
    $mins = floor(($seconds-$hours*3600) / 60);
    $secs = floor($seconds % 60);

    $hours_format ='%dh %dm %ds';
    return sprintf($hours_format, $hours, $mins, $secs);
  }


}

?>