stats.class.php

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<?php
/* Copyright (C) 2003   Rodolphe Quiedeville  <rodolphe@quiedeville.org>
 * Copyright (c) 2008-2013  Laurent Destailleur   <eldy@users.sourceforge.net>
 * Copyright (C) 2012   Regis Houssin     <regis.houssin@inodbox.com>
 * Copyright (C) 2012       Marcos García           <marcosgdf@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <https://www.gnu.org/licenses/>.
 */

abstract class Stats
{
  protected $db;
  protected $lastfetchdate = array(); // Dates of cache file read by methods
  public $cachefilesuffix = ''; // Suffix to add to name of cache file (to avoid file name conflicts)

  protected abstract function getNbByMonth($year, $format = 0);

  public function getNbByMonthWithPrevYear($endyear, $startyear, $cachedelay = 0, $format = 0, $startmonth = 1)
  {
    global $conf, $user, $langs;

    if ($startyear > $endyear) {
      return -1;
    }

    $datay = array();

    // Search into cache
    if (!empty($cachedelay)) {
      include_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
      include_once DOL_DOCUMENT_ROOT.'/core/lib/json.lib.php';
    }

    $newpathofdestfile = $conf->user->dir_temp.'/'.get_class($this).'_'.__FUNCTION__.'_'.(empty($this->cachefilesuffix) ? '' : $this->cachefilesuffix.'_').$langs->defaultlang.'_entity.'.$conf->entity.'_user'.$user->id.'.cache';
    $newmask = '0644';

    $nowgmt = dol_now();

    $foundintocache = 0;
    if ($cachedelay > 0) {
      $filedate = dol_filemtime($newpathofdestfile);
      if ($filedate >= ($nowgmt - $cachedelay)) {
        $foundintocache = 1;

        $this->lastfetchdate[get_class($this).'_'.__FUNCTION__] = $filedate;
      } else {
        dol_syslog(get_class($this).'::'.__FUNCTION__." cache file ".$newpathofdestfile." is not found or older than now - cachedelay (".$nowgmt." - ".$cachedelay.") so we can't use it.");
      }
    }
    // Load file into $data
    if ($foundintocache) {    // Cache file found and is not too old
      dol_syslog(get_class($this).'::'.__FUNCTION__." read data from cache file ".$newpathofdestfile." ".$filedate.".");
      $data = json_decode(file_get_contents($newpathofdestfile), true);
    } else {
      $year = $startyear;
      $sm = $startmonth - 1;
      if ($sm != 0) {
        $year = $year - 1;
      }
      while ($year <= $endyear) {
        $datay[$year] = $this->getNbByMonth($year, $format);
        $year++;
      }

      $data = array();

      for ($i = 0; $i < 12; $i++) {
        $data[$i][] = $datay[$endyear][($i + $sm) % 12][0];
        $year = $startyear;
        while ($year <= $endyear) {
          $data[$i][] = $datay[$year - (1 - ((int) ($i + $sm) / 12)) + ($sm == 0 ? 1 : 0)][($i + $sm) % 12][1];
          $year++;
        }
      }
    }

    // Save cache file
    if (empty($foundintocache) && ($cachedelay > 0 || $cachedelay == -1)) {
      dol_syslog(get_class($this).'::'.__FUNCTION__." save cache file ".$newpathofdestfile." onto disk.");
      if (!dol_is_dir($conf->user->dir_temp)) {
        dol_mkdir($conf->user->dir_temp);
      }
      $fp = fopen($newpathofdestfile, 'w');
      fwrite($fp, json_encode($data));
      fclose($fp);
      if (!empty($conf->global->MAIN_UMASK)) {
        $newmask = $conf->global->MAIN_UMASK;
      }
      @chmod($newpathofdestfile, octdec($newmask));

      $this->lastfetchdate[get_class($this).'_'.__FUNCTION__] = $nowgmt;
    }

    // return array(array('Month',val1,val2,val3),...)
    return $data;
  }

  protected abstract function getAmountByMonth($year, $format = 0);

  public function getAmountByMonthWithPrevYear($endyear, $startyear, $cachedelay = 0, $format = 0, $startmonth = 1)
  {
    global $conf, $user, $langs;

    if ($startyear > $endyear) {
      return -1;
    }

    $datay = array();

    // Search into cache
    if (!empty($cachedelay)) {
      include_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
      include_once DOL_DOCUMENT_ROOT.'/core/lib/json.lib.php';
    }

    $newpathofdestfile = $conf->user->dir_temp.'/'.get_class($this).'_'.__FUNCTION__.'_'.(empty($this->cachefilesuffix) ? '' : $this->cachefilesuffix.'_').$langs->defaultlang.'_entity.'.$conf->entity.'_user'.$user->id.'.cache';
    $newmask = '0644';

    $nowgmt = dol_now();

    $foundintocache = 0;
    if ($cachedelay > 0) {
      $filedate = dol_filemtime($newpathofdestfile);
      if ($filedate >= ($nowgmt - $cachedelay)) {
        $foundintocache = 1;

        $this->lastfetchdate[get_class($this).'_'.__FUNCTION__] = $filedate;
      } else {
        dol_syslog(get_class($this).'::'.__FUNCTION__." cache file ".$newpathofdestfile." is not found or older than now - cachedelay (".$nowgmt." - ".$cachedelay.") so we can't use it.");
      }
    }

    // Load file into $data
    if ($foundintocache) {    // Cache file found and is not too old
      dol_syslog(get_class($this).'::'.__FUNCTION__." read data from cache file ".$newpathofdestfile." ".$filedate.".");
      $data = json_decode(file_get_contents($newpathofdestfile), true);
    } else {
      $year = $startyear;
      $sm = $startmonth - 1;
      if ($sm != 0) {
        $year = $year - 1;
      }
      while ($year <= $endyear) {
        $datay[$year] = $this->getAmountByMonth($year, $format);
        $year++;
      }

      $data = array();
      // $data = array('xval'=>array(0=>xlabel,1=>yval1,2=>yval2...),...)
      for ($i = 0; $i < 12; $i++) {
        $data[$i][] = isset($datay[$endyear][($i + $sm) % 12]['label']) ? $datay[$endyear][($i + $sm) % 12]['label'] : $datay[$endyear][($i + $sm) % 12][0]; // set label
        $year = $startyear;
        while ($year <= $endyear) {
          $data[$i][] = $datay[$year - (1 - ((int) ($i + $sm) / 12)) + ($sm == 0 ? 1 : 0)][($i + $sm) % 12][1]; // set yval for x=i
          $year++;
        }
      }
    }

    // Save cache file
    if (empty($foundintocache) && ($cachedelay > 0 || $cachedelay == -1)) {
      dol_syslog(get_class($this).'::'.__FUNCTION__." save cache file ".$newpathofdestfile." onto disk.");
      if (!dol_is_dir($conf->user->dir_temp)) {
        dol_mkdir($conf->user->dir_temp);
      }
      $fp = fopen($newpathofdestfile, 'w');
      if ($fp) {
        fwrite($fp, json_encode($data));
        fclose($fp);
        if (!empty($conf->global->MAIN_UMASK)) {
          $newmask = $conf->global->MAIN_UMASK;
        }
        @chmod($newpathofdestfile, octdec($newmask));
      } else {
        dol_syslog("Failed to write cache file", LOG_ERR);
      }
      $this->lastfetchdate[get_class($this).'_'.__FUNCTION__] = $nowgmt;
    }

    return $data;
  }

  protected abstract function getAverageByMonth($year);

  public function getAverageByMonthWithPrevYear($endyear, $startyear)
  {
    if ($startyear > $endyear) {
      return -1;
    }

    $datay = array();

    $year = $startyear;
    while ($year <= $endyear) {
      $datay[$year] = $this->getAverageByMonth($year);
      $year++;
    }

    $data = array();

    for ($i = 0; $i < 12; $i++) {
      $data[$i][] = $datay[$endyear][$i][0];
      $year = $startyear;
      while ($year <= $endyear) {
        $data[$i][] = $datay[$year][$i][1];
        $year++;
      }
    }

    return $data;
  }

  public function getAllByProductEntry($year, $cachedelay = 0, $limit = 10)
  {
    global $conf, $user, $langs;

    $data = array();

    // Search into cache
    if (!empty($cachedelay)) {
      include_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
      include_once DOL_DOCUMENT_ROOT.'/core/lib/json.lib.php';
    }

    $newpathofdestfile = $conf->user->dir_temp.'/'.get_class($this).'_'.__FUNCTION__.'_'.(empty($this->cachefilesuffix) ? '' : $this->cachefilesuffix.'_').$langs->defaultlang.'_entity.'.$conf->entity.'_user'.$user->id.'.cache';
    $newmask = '0644';

    $nowgmt = dol_now();

    $foundintocache = 0;
    if ($cachedelay > 0) {
      $filedate = dol_filemtime($newpathofdestfile);
      if ($filedate >= ($nowgmt - $cachedelay)) {
        $foundintocache = 1;

        $this->lastfetchdate[get_class($this).'_'.__FUNCTION__] = $filedate;
      } else {
        dol_syslog(get_class($this).'::'.__FUNCTION__." cache file ".$newpathofdestfile." is not found or older than now - cachedelay (".$nowgmt." - ".$cachedelay.") so we can't use it.");
      }
    }

    // Load file into $data
    if ($foundintocache) {    // Cache file found and is not too old
      dol_syslog(get_class($this).'::'.__FUNCTION__." read data from cache file ".$newpathofdestfile." ".$filedate.".");
      $data = json_decode(file_get_contents($newpathofdestfile), true);
    } else {
      $data = $this->getAllByProduct($year, $limit);
      //          $data[$i][]=$datay[$year][$i][1]; // set yval for x=i
    }

    // Save cache file
    if (empty($foundintocache) && ($cachedelay > 0 || $cachedelay == -1)) {
      dol_syslog(get_class($this).'::'.__FUNCTION__." save cache file ".$newpathofdestfile." onto disk.");
      if (!dol_is_dir($conf->user->dir_temp)) {
        dol_mkdir($conf->user->dir_temp);
      }
      $fp = fopen($newpathofdestfile, 'w');
      if ($fp) {
        fwrite($fp, json_encode($data));
        fclose($fp);
        if (!empty($conf->global->MAIN_UMASK)) {
          $newmask = $conf->global->MAIN_UMASK;
        }
        @chmod($newpathofdestfile, octdec($newmask));
      }
      $this->lastfetchdate[get_class($this).'_'.__FUNCTION__] = $nowgmt;
    }

    return $data;
  }


  // Here we have low level of shared code called by XxxStats.class.php


  // phpcs:disable PEAR.NamingConventions.ValidFunctionName.PublicUnderscore
  protected function _getNbByYear($sql)
  {
    // phpcs:enable
    $result = array();

    dol_syslog(get_class($this).'::'.__FUNCTION__."", LOG_DEBUG);
    $resql = $this->db->query($sql);
    if ($resql) {
      $num = $this->db->num_rows($resql);
      $i = 0;
      while ($i < $num) {
        $row = $this->db->fetch_row($resql);
        $result[$i] = $row;
        $i++;
      }
      $this->db->free($resql);
    } else {
      dol_print_error($this->db);
    }
    return $result;
  }

  // phpcs:disable PEAR.NamingConventions.ValidFunctionName.PublicUnderscore
  protected function _getAllByYear($sql)
  {
    // phpcs:enable
    $result = array();

    dol_syslog(get_class($this).'::'.__FUNCTION__."", LOG_DEBUG);
    $resql = $this->db->query($sql);
    if ($resql) {
      $num = $this->db->num_rows($resql);
      $i = 0;
      while ($i < $num) {
        $row = $this->db->fetch_object($resql);
        $result[$i]['year'] = $row->year;
        $result[$i]['nb'] = $row->nb;
        if ($i > 0 && $row->nb > 0) {
          $result[$i - 1]['nb_diff'] = ($result[$i - 1]['nb'] - $row->nb) / $row->nb * 100;
        }
        $result[$i]['total'] = $row->total;
        if ($i > 0 && $row->total > 0) {
          $result[$i - 1]['total_diff'] = ($result[$i - 1]['total'] - $row->total) / $row->total * 100;
        }
        $result[$i]['avg'] = $row->avg;
        if ($i > 0 && $row->avg > 0) {
          $result[$i - 1]['avg_diff'] = ($result[$i - 1]['avg'] - $row->avg) / $row->avg * 100;
        }
        // For some $sql only
        if (isset($row->weighted)) {
          $result[$i]['weighted'] = $row->weighted;
          if ($i > 0 && $row->weighted > 0) {
            $result[$i - 1]['avg_weighted'] = ($result[$i - 1]['weighted'] - $row->weighted) / $row->weighted * 100;
          }
        }
        $i++;
      }
      $this->db->free($resql);
    } else {
      dol_print_error($this->db);
    }
    return $result;
  }

  // phpcs:disable PEAR.NamingConventions.ValidFunctionName.PublicUnderscore
  protected function _getNbByMonth($year, $sql, $format = 0)
  {
    // phpcs:enable
    global $langs;

    $result = array();
    $res = array();

    dol_syslog(get_class($this).'::'.__FUNCTION__."", LOG_DEBUG);
    $resql = $this->db->query($sql);
    if ($resql) {
      $num = $this->db->num_rows($resql);
      $i = 0;
      $j = 0;
      while ($i < $num) {
        $row = $this->db->fetch_row($resql);
        $j = $row[0] * 1;
        $result[$j] = $row[1];
        $i++;
      }
      $this->db->free($resql);
    } else {
      dol_print_error($this->db);
    }

    for ($i = 1; $i < 13; $i++) {
      $res[$i] = (isset($result[$i]) ? $result[$i] : 0);
    }

    $data = array();

    for ($i = 1; $i < 13; $i++) {
      $month = 'unknown';
      if ($format == 0) {
        $month = $langs->transnoentitiesnoconv('MonthShort'.sprintf("%02d", $i));
      } elseif ($format == 1) {
        $month = $i;
      } elseif ($format == 2) {
        $month = $langs->transnoentitiesnoconv('MonthVeryShort'.sprintf("%02d", $i));
      }
      //$month=dol_print_date(dol_mktime(12,0,0,$i,1,$year),($format?"%m":"%b"));
      //$month=dol_substr($month,0,3);
      $data[$i - 1] = array($month, $res[$i]);
    }

    return $data;
  }

  // phpcs:disable PEAR.NamingConventions.ValidFunctionName.PublicUnderscore
  protected function _getAmountByMonth($year, $sql, $format = 0)
  {
    // phpcs:enable
    global $langs;

    $result = array();
    $res = array();

    dol_syslog(get_class($this).'::'.__FUNCTION__."", LOG_DEBUG);

    $resql = $this->db->query($sql);
    if ($resql) {
      $num = $this->db->num_rows($resql);
      $i = 0;
      while ($i < $num) {
        $row = $this->db->fetch_row($resql);
        $j = $row[0] * 1;
        $result[$j] = $row[1];
        $i++;
      }
      $this->db->free($resql);
    } else {
      dol_print_error($this->db);
    }

    for ($i = 1; $i < 13; $i++) {
      $res[$i] = (int) round((isset($result[$i]) ? $result[$i] : 0));
    }

    $data = array();

    for ($i = 1; $i < 13; $i++) {
      $month = 'unknown';
      if ($format == 0) {
        $month = $langs->transnoentitiesnoconv('MonthShort'.sprintf("%02d", $i));
      } elseif ($format == 1) {
        $month = $i;
      } elseif ($format == 2) {
        $month = $langs->transnoentitiesnoconv('MonthVeryShort'.sprintf("%02d", $i));
      }
      //$month=dol_print_date(dol_mktime(12,0,0,$i,1,$year),($format?"%m":"%b"));
      //$month=dol_substr($month,0,3);
      $data[$i - 1] = array($month, $res[$i]);
    }

    return $data;
  }

  // phpcs:disable PEAR.NamingConventions.ValidFunctionName.PublicUnderscore
  protected function _getAverageByMonth($year, $sql, $format = 0)
  {
    // phpcs:enable
    global $langs;

    $result = array();
    $res = array();

    dol_syslog(get_class($this).'::'.__FUNCTION__."", LOG_DEBUG);
    $resql = $this->db->query($sql);
    if ($resql) {
      $num = $this->db->num_rows($resql);
      $i = 0;
      $j = 0;
      while ($i < $num) {
        $row = $this->db->fetch_row($resql);
        $j = $row[0] * 1;
        $result[$j] = $row[1];
        $i++;
      }
      $this->db->free($resql);
    } else {
      dol_print_error($this->db);
    }

    for ($i = 1; $i < 13; $i++) {
      $res[$i] = (isset($result[$i]) ? $result[$i] : 0);
    }

    $data = array();

    for ($i = 1; $i < 13; $i++) {
      $month = 'unknown';
      if ($format == 0) {
        $month = $langs->transnoentitiesnoconv('MonthShort'.sprintf("%02d", $i));
      } elseif ($format == 1) {
        $month = $i;
      } elseif ($format == 2) {
        $month = $langs->transnoentitiesnoconv('MonthVeryShort'.sprintf("%02d", $i));
      }
      //$month=dol_print_date(dol_mktime(12,0,0,$i,1,$year),($format?"%m":"%b"));
      //$month=dol_substr($month,0,3);
      $data[$i - 1] = array($month, $res[$i]);
    }

    return $data;
  }


  // phpcs:disable PEAR.NamingConventions.ValidFunctionName.PublicUnderscore
  protected function _getAllByProduct($sql, $limit = 10)
  {
    // phpcs:enable
    global $langs;

    $result = array();

    dol_syslog(get_class($this).'::'.__FUNCTION__."", LOG_DEBUG);
    $resql = $this->db->query($sql);
    if ($resql) {
      $num = $this->db->num_rows($resql);
      $i = 0;
      $other = 0;
      while ($i < $num) {
        $row = $this->db->fetch_row($resql);
        if ($i < $limit || $num == $limit) {
          $result[$i] = array($row[0], $row[1]); // Ref of product, nb
        } else {
          $other += $row[1];
        }
        $i++;
      }
      if ($num > $limit) {
        $result[$i] = array($langs->transnoentitiesnoconv("Other"), $other);
      }
      $this->db->free($resql);
    } else {
      dol_print_error($this->db);
    }

    return $result;
  }

  // phpcs:disable PEAR.NamingConventions.ValidFunctionName.PublicUnderscore
  protected function _getAmountByYear($sql)
  {
    $result = array();
    $resql = $this->db->query($sql);
    if ($resql) {
      $num = $this->db->num_rows($resql);
      $i = 0;
      while ($i < $num) {
        $row = $this->db->fetch_row($resql);
        $j = (int) $row[0];
        $result[] = [
          0 => (int) $row[0],
          1 => (int) $row[1],
        ];
        $i++;
      }
      $this->db->free($resql);
    }
    return $result;
  }
}