dolibarr/htdocs/tva.class.php3

<?PHP
/* Copyright (C) 2002 Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * 
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * $Id$
 * $Source$
 */

/*
 * La tva collect<EFBFBD>e n'est calcul<EFBFBD>e que sur les factures pay<EFBFBD>es.
 *
 *
 */
class Tva {
  var $db;
  var $note;
  /*
   * Initialistation automatique de la classe
   */
  Function Tva($DB) {
    global $config;

    $this->db = $DB;
    
    return 1;
  }
  /*
   * Hum la fonction s'appelle 'Solde' elle doit a mon avis
   * calcluer le solde de TVA, non ?
   *
   */
  Function solde($year = 0) {
    
    $reglee = $this->tva_sum_reglee($year);

    $payee = $this->tva_sum_payee($year);
    $collectee = $this->tva_sum_collectee($year);

    $solde = $reglee - ($collectee - $payee) ;

    return $solde;
  }
  /*
   * Tva collect<EFBFBD>e
   * Total de la TVA des factures emises par la societe.
   *
   */
  Function tva_sum_collectee($year = 0) {

    $sql = "SELECT sum(f.tva) as amount";
    $sql .= " FROM llx_facture as f WHERE f.paye = 1";

    if ($year) {
      $sql .= " AND f.datef >= '$year-01-01' AND f.datef <= '$year-12-31' ";
    }

    $result = $this->db->query($sql);

    if ($result) {
      if ($this->db->num_rows()) {
	$obj = $this->db->fetch_object(0);
	return $obj->amount;
      } else {
	return 0;
      }

      $this->db->free();

    } else {
      print $this->db->error();
      return -1;
    } 
  }
  /*
   * Tva pay<EFBFBD>e
   * 
   *
   */
  Function tva_sum_payee($year = 0) {

    $sql = "SELECT sum(f.amount) as amount";
    $sql .= " FROM llx_facture_fourn as f";

    if ($year) {
      $sql .= " WHERE f.datef >= '$year-01-01' AND f.datef <= '$year-12-31' ";
    }

    $result = $this->db->query($sql);

    if ($result) {
      if ($this->db->num_rows()) {
	$obj = $this->db->fetch_object(0);
	return $obj->amount;
      } else {
	return 0;
      }

      $this->db->free();

    } else {
      print $this->db->error();
      return -1;
    } 
  }
  /*
   * Tva r<EFBFBD>gl<EFBFBD>e
   * Total de la TVA r<EFBFBD>glee aupres de qui de droit
   *
   */
  Function tva_sum_reglee($year = 0) {

    $sql = "SELECT sum(f.amount) as amount";
    $sql .= " FROM llx_tva as f";

    if ($year) {
      $sql .= " WHERE f.datev >= '$year-01-01' AND f.datev <= '$year-12-31' ";
    }

    $result = $this->db->query($sql);

    if ($result) {
      if ($this->db->num_rows()) {
	$obj = $this->db->fetch_object(0);
	return $obj->amount;
      } else {
	return 0;
      }

      $this->db->free();

    } else {
      print $this->db->error();
      return -1;
    } 
  }
}

?>