<?php
/* Copyright (C) 2005-2010 Laurent Destailleur  <eldy@users.sourceforge.net>
 *
* This file is an example to follow to add your own email selector inside
* the Dolibarr email tool.
* Follow instructions given in README file to know what to change to build
* your own emailing list selector.
* Code that need to be changed in this file are marked by "CHANGE THIS" tag.
*/

/**
 *	\file       htdocs/core/modules/mailings/thirdparties_services_expired.modules.php
 *	\ingroup    mailing
 *	\brief      File of class to offer a selector of emailing targets with Rule 'services expired'.
 */
include_once DOL_DOCUMENT_ROOT.'/core/modules/mailings/modules_mailings.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';


/**
 *	Class to offer a selector of emailing targets with Rule 'services expired'.
 */
class mailing_thirdparties_services_expired extends MailingTargets
{
	public $name = 'DolibarrContractsLinesExpired';
	// This label is used if no translation is found for key XXX neither MailingModuleDescXXX where XXX=name is found
	public $desc = 'Third parties with expired contract\'s lines';
	public $require_admin = 0;

	public $require_module = array('contrat');

	public $enabled = 'isModEnabled("societe")';

	/**
	 * @var string String with name of icon for myobject. Must be the part after the 'object_' into object_myobject.png
	 */
	public $picto = 'company';

	/**
	 * @var DoliDB Database handler.
	 */
	public $db;

	public $arrayofproducts = array();


	/**
	 *	Constructor
	 *
	 *  @param		DoliDB		$db      Database handler
	 */
	public function __construct($db)
	{
		global $conf;

		$this->db = $db;

		$this->arrayofproducts = array();

		// List of services
		$sql = "SELECT ref FROM ".MAIN_DB_PREFIX."product";
		$sql .= " WHERE entity IN (".getEntity('product').")";
		if (empty($conf->global->CONTRACT_SUPPORT_PRODUCTS)) {
			$sql .= " AND fk_product_type = 1"; // By default, only services
		}
		$sql .= " ORDER BY ref";
		$result = $this->db->query($sql);
		if ($result) {
			$num = $this->db->num_rows($result);
			dol_syslog("dolibarr_services_expired.modules.php:mailing_dolibarr_services_expired ".$num." services found");

			$i = 0;
			while ($i < $num) {
				$obj = $this->db->fetch_object($result);
				$i++;
				$this->arrayofproducts[$i] = $obj->ref;
			}
		} else {
			dol_print_error($this->db);
		}
	}


	// phpcs:disable PEAR.NamingConventions.ValidFunctionName.ScopeNotCamelCaps
	/**
	 *  This is the main function that returns the array of emails
	 *
	 *  @param	int		$mailing_id    	Id of mailing. No need to use it.
	 *  @return int           			<0 if error, number of emails added if ok
	 */
	public function add_to_target($mailing_id)
	{
		// phpcs:enable
		$key = GETPOST('filter', 'int');

		$cibles = array();
		$j = 0;

		$product = '';
		if ($key == '0') {
			$this->error = "Error: You must choose a filter";
			$this->errors[] = $this->error;
			return $this->error;
		}

		$product = $this->arrayofproducts[$key];

		$now = dol_now();

		// La requete doit retourner: id, email, name
		$sql = "SELECT s.rowid as id, s.email, s.nom as name, cd.rowid as cdid, cd.date_ouverture as date_start_real, cd.date_fin_validite as date_end, cd.fk_contrat";
		$sql .= " FROM ".MAIN_DB_PREFIX."societe as s, ".MAIN_DB_PREFIX."contrat as c";
		$sql .= ", ".MAIN_DB_PREFIX."contratdet as cd, ".MAIN_DB_PREFIX."product as p";
		$sql .= " WHERE s.entity IN (".getEntity('societe').")";
		$sql .= " AND s.email NOT IN (SELECT email FROM ".MAIN_DB_PREFIX."mailing_cibles WHERE fk_mailing=".((int) $mailing_id).")";
		$sql .= " AND s.rowid = c.fk_soc AND cd.fk_contrat = c.rowid AND s.email != ''";
		$sql .= " AND cd.statut= 4 AND cd.fk_product=p.rowid AND p.ref = '".$this->db->escape($product)."'";
		$sql .= " AND cd.date_fin_validite < '".$this->db->idate($now)."'";
		$sql .= " ORDER BY s.email";

		// Stocke destinataires dans cibles
		$result = $this->db->query($sql);
		if ($result) {
			$num = $this->db->num_rows($result);
			$i = 0;

			dol_syslog(get_class($this)."::add_to_target ".$num." targets found");

			$old = '';
			while ($i < $num) {
				$obj = $this->db->fetch_object($result);
				if ($old <> $obj->email) {
					$cibles[$j] = array(
					'email' => $obj->email,
					'lastname' => $obj->name, // For thirdparties, lastname must be name
					'firstname' => '', // For thirdparties, firstname is ''
					'other' =>
					('DateStart='.dol_print_date($this->db->jdate($obj->date_start_real), 'day')).';'.	// date start real
					('DateEnd='.dol_print_date($this->db->jdate($obj->date_end), 'day')).';'.			// date end planned
					('Contract='.$obj->fk_contrat).';'.
					('ContactLine='.$obj->cdid),
					'source_url' => $this->url($obj->id),
					'source_id' => $obj->id,
					'source_type' => 'thirdparty'
					);
					$old = $obj->email;
					$j++;
				}

				$i++;
			}
		} else {
			dol_syslog($this->db->lasterror());
			$this->error = $this->db->lasterror();
			return -1;
		}

		// ----- Your code end here -----

		return parent::addTargetsToDatabase($mailing_id, $cibles);
	}


	/**
	 *	On the main mailing area, there is a box with statistics.
	 *	If you want to add a line in this report you must provide an
	 *	array of SQL request that returns two field:
	 *	One called "label", One called "nb".
	 *
	 *	@return		array		Array with SQL requests
	 */
	public function getSqlArrayForStats()
	{

		//var $statssql=array();
		//$this->statssql[0]="SELECT field1 as label, count(distinct(email)) as nb FROM mytable WHERE email IS NOT NULL";

		return array();
	}


	/**
	 *	Return here number of distinct emails returned by your selector.
	 *	For example if this selector is used to extract 500 different
	 *	emails from a text file, this function must return 500.
	 *
	 *	@param		string			$sql		SQL request to use to count
	 *  @return     int|string      			Nb of recipient, or <0 if error, or '' if NA
	 */
	public function getNbOfRecipients($sql = '')
	{
		$now = dol_now();

		// Example: return parent::getNbOfRecipients("SELECT count(*) as nb from dolibarr_table");
		// Example: return 500;
		$sql = "SELECT count(*) as nb";
		$sql .= " FROM ".MAIN_DB_PREFIX."societe as s, ".MAIN_DB_PREFIX."contrat as c";
		$sql .= ", ".MAIN_DB_PREFIX."contratdet as cd, ".MAIN_DB_PREFIX."product as p";
		$sql .= " WHERE s.entity IN (".getEntity('societe').")";
		$sql .= " AND s.rowid = c.fk_soc AND cd.fk_contrat = c.rowid AND s.email != ''";
		$sql .= " AND cd.statut= 4 AND cd.fk_product=p.rowid";
		$sql .= " AND p.ref IN (".$this->db->sanitize("'".join("','", $this->arrayofproducts)."'", 1).")";
		$sql .= " AND cd.date_fin_validite < '".$this->db->idate($now)."'";

		$a = parent::getNbOfRecipients($sql);

		return $a;
	}

	/**
	 *  This is to add a form filter to provide variant of selector
	 *	If used, the HTML select must be called "filter"
	 *
	 *  @return     string      A html select zone
	 */
	public function formFilter()
	{
		global $langs;

		$s = '<select id="filter_services_expired" name="filter" class="flat">';
		if (count($this->arrayofproducts)) {
			$langs->loadLangs(array("products"));
			$s .= '<option value="-1">'.$langs->trans("ProductOrService").'</option>';
		} else {
			$s .= '<option value="0">'.$langs->trans("ContactsAllShort").'</option>';
		}
		foreach ($this->arrayofproducts as $key => $val) {
			$s .= '<option value="'.$key.'">'.$val.'</option>';
		}
		$s .= '</select>';
		$s .= ajax_combobox("filter_services_expired");

		return $s;
	}


	/**
	 *  Can include an URL link on each record provided by selector	shown on target page.
	 *
	 *  @param	int		$id		ID
	 *  @return string      	Url link
	 */
	public function url($id)
	{
		return '<a href="'.DOL_URL_ROOT.'/societe/card.php?socid='.$id.'">'.img_object('', "company").'</a>';
	}
}