<?php
/* Copyright (C) 2003-2004 Rodolphe Quiedeville <rodolphe@quiedeville.org>
 * Copyright (C) 2004-2008 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2004      Eric Seigne          <eric.seigne@ryxeo.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/>.
 * or see https://www.gnu.org/
 */

/**
 *	    \file       htdocs/core/modules/mailings/modules_mailings.php
 *		\ingroup    mailing
 *		\brief      File with parent class of emailing target selectors modules
 */
require_once DOL_DOCUMENT_ROOT.'/core/lib/functions.lib.php';


/**
 *		Parent class of emailing target selectors modules
 */
class MailingTargets // This can't be abstract as it is used for some method
{
	/**
	 * @var DoliDB Database handler.
	 */
	public $db;

	/**
	 * @var string	Condition to be enabled
	 */
	public $enabled;

	/**
	 * @var string Error code (or message)
	 */
	public $error = '';

	public $tooltip = '';

	/**
	 * @var string The SQL string used to find the recipients
	 */
	public $sql;

	public $desc;

	public $name;

	public $evenunsubscribe = 0;		// Set this to 1 if you want to flag you also want to include email in target that has opt-out.


	/**
	 *	Constructor
	 *
	 *  @param		DoliDB		$db      Database handler
	 */
	public function __construct($db)
	{
		$this->db = $db;
	}

	/**
	 * Return description of email selector
	 *
	 * @return     string      Return translation of module label. Try translation of $this->name then translation of 'MailingModuleDesc'.$this->name, or $this->desc if not found
	 */
	public function getDesc()
	{
		global $langs, $form;

		$langs->load("mails");
		$transstring = "MailingModuleDesc".$this->name;
		$s = '';

		if ($langs->trans($this->name) != $this->name) {
			$s = $langs->trans($this->name);
		} elseif ($langs->trans($transstring) != $transstring) {
			$s = $langs->trans($transstring);
		} else {
			$s = $this->desc;
		}

		if ($this->tooltip && is_object($form)) {
			$s .= ' '.$form->textwithpicto('', $langs->trans($this->tooltip), 1, 1);
		}
		return $s;
	}

	/**
	 *	Return number of records for email selector
	 *
	 *  @return     integer      Example
	 */
	public function getNbOfRecords()
	{
		return 0;
	}

	/**
	 * Retourne nombre de destinataires
	 *
	 * @param      string		$sql        Sql request to count
	 * @return     int|string      			Nb of recipient, or <0 if error, or '' if NA
	 */
	public function getNbOfRecipients($sql)
	{
		$result = $this->db->query($sql);
		if ($result) {
			$total = 0;
			while ($obj = $this->db->fetch_object($result)) {
				$total += $obj->nb;
			}
			return $total;
		} else {
			$this->error = $this->db->lasterror();
			return -1;
		}
	}

	/**
	 * Affiche formulaire de filtre qui apparait dans page de selection
	 * des destinataires de mailings
	 *
	 * @return     string      Retourne zone select
	 */
	public function formFilter()
	{
		return '';
	}

	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
	/**
	 * Met a jour nombre de destinataires
	 *
	 * @param	int		$mailing_id          Id of emailing
	 * @return  int			                 < 0 si erreur, nb destinataires si ok
	 */
	public function update_nb($mailing_id)
	{
		// phpcs:enable
		// Mise a jour nombre de destinataire dans table des mailings
		$sql = "SELECT COUNT(*) nb FROM ".MAIN_DB_PREFIX."mailing_cibles";
		$sql .= " WHERE fk_mailing = ".((int) $mailing_id);
		$result = $this->db->query($sql);
		if ($result) {
			$obj = $this->db->fetch_object($result);
			$nb = $obj->nb;

			$sql = "UPDATE ".MAIN_DB_PREFIX."mailing";
			$sql .= " SET nbemail = ".((int) $nb)." WHERE rowid = ".((int) $mailing_id);
			if (!$this->db->query($sql)) {
				dol_syslog($this->db->error());
				$this->error = $this->db->error();
				return -1;
			}
		} else {
			return -1;
		}
		return $nb;
	}

	/**
	 * Add a list of targets into the database
	 *
	 * @param	int		$mailing_id    Id of emailing
	 * @param   array	$cibles        Array with targets
	 * @return  int      			   < 0 if error, nb added if OK
	 */
	public function addTargetsToDatabase($mailing_id, $cibles)
	{
		global $conf;

		$this->db->begin();

		// Insert emailing targets from array into database
		$j = 0;
		$num = count($cibles);
		foreach ($cibles as $targetarray) {
			if (!empty($targetarray['email'])) { // avoid empty email address
				$sql = "INSERT INTO ".MAIN_DB_PREFIX."mailing_cibles";
				$sql .= " (fk_mailing,";
				$sql .= " fk_contact,";
				$sql .= " lastname, firstname, email, other, source_url, source_id,";
				$sql .= " tag,";
				$sql .= " source_type)";
				$sql .= " VALUES (".((int) $mailing_id).",";
				$sql .= (empty($targetarray['fk_contact']) ? '0' : (int) $targetarray['fk_contact']).",";
				$sql .= "'".$this->db->escape($targetarray['lastname'])."',";
				$sql .= "'".$this->db->escape($targetarray['firstname'])."',";
				$sql .= "'".$this->db->escape($targetarray['email'])."',";
				$sql .= "'".$this->db->escape($targetarray['other'])."',";
				$sql .= "'".$this->db->escape($targetarray['source_url'])."',";
				$sql .= (empty($targetarray['source_id']) ? 'null' : "'".$this->db->escape($targetarray['source_id'])."'").",";
				$sql .= "'".$this->db->escape(dol_hash($conf->file->instance_unique_id.";".$targetarray['email'].";".$targetarray['lastname'].";".((int) $mailing_id).";".getDolGlobalString('MAILING_EMAIL_UNSUBSCRIBE_KEY'), 'md5'))."',";
				$sql .= "'".$this->db->escape($targetarray['source_type'])."')";
				dol_syslog(__METHOD__, LOG_DEBUG);
				$result = $this->db->query($sql);
				if ($result) {
					$j++;
				} else {
					if ($this->db->errno() != 'DB_ERROR_RECORD_ALREADY_EXISTS') {
						// Si erreur autre que doublon
						dol_syslog($this->db->error().' : '.$targetarray['email']);
						$this->error = $this->db->error().' : '.$targetarray['email'];
						$this->db->rollback();
						return -1;
					}
				}
			}
		}

		dol_syslog(__METHOD__.": mailing ".$j." targets added");

		/*
		//Update the status to show thirdparty mail that don't want to be contacted anymore'
		$sql = "UPDATE ".MAIN_DB_PREFIX."mailing_cibles";
		$sql .= " SET statut=3";
		$sql .= " WHERE fk_mailing = ".((int) $mailing_id)." AND email in (SELECT email FROM ".MAIN_DB_PREFIX."societe where fk_stcomm=-1)";
		$sql .= " AND source_type='thirdparty'";
		dol_syslog(__METHOD__.": mailing update status to display thirdparty mail that do not want to be contacted");
		$result=$this->db->query($sql);

		//Update the status to show contact mail that don't want to be contacted anymore'
		$sql = "UPDATE ".MAIN_DB_PREFIX."mailing_cibles";
		$sql .= " SET statut=3";
		$sql .= " WHERE fk_mailing = ".((int) $mailing_id)." AND source_type='contact' AND (email in (SELECT sc.email FROM ".MAIN_DB_PREFIX."socpeople AS sc ";
		$sql .= " INNER JOIN ".MAIN_DB_PREFIX."societe s ON s.rowid=sc.fk_soc WHERE s.fk_stcomm=-1 OR no_email=1))";
		dol_syslog(__METHOD__.": mailing update status to display contact mail that do not want to be contacted",LOG_DEBUG);
		$result=$this->db->query($sql);
		*/

		if (empty($this->evenunsubscribe)) {
			$sql = "UPDATE ".MAIN_DB_PREFIX."mailing_cibles as mc";
			$sql .= " SET mc.statut = 3";
			$sql .= " WHERE mc.fk_mailing = ".((int) $mailing_id);
			$sql .= " AND EXISTS (SELECT rowid FROM ".MAIN_DB_PREFIX."mailing_unsubscribe as mu WHERE mu.email = mc.email and mu.entity = ".((int) $conf->entity).")";

			dol_syslog(__METHOD__.":mailing update status to display emails that do not want to be contacted anymore", LOG_DEBUG);
			$result = $this->db->query($sql);
			if (!$result) {
				dol_print_error($this->db);
			}
		}

		// Update nb of recipient into emailing record
		$this->update_nb($mailing_id);

		$this->db->commit();

		return $j;
	}

	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
	/**
	 *  Supprime tous les destinataires de la table des cibles
	 *
	 *  @param  int		$mailing_id        Id of emailing
	 *  @return	void
	 */
	public function clear_target($mailing_id)
	{
		// phpcs:enable
		$sql = "DELETE FROM ".MAIN_DB_PREFIX."mailing_cibles";
		$sql .= " WHERE fk_mailing = ".((int) $mailing_id);

		if (!$this->db->query($sql)) {
			dol_syslog($this->db->error());
		}

		$this->update_nb($mailing_id);
	}
}
