<?php
/* Copyright (C) 2013-2014 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2014      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 <http://www.gnu.org/licenses/>.
 */

/**
 *  \file       htdocs/opensurvey/class/opensurveysondage.class.php
 *  \ingroup    opensurvey
 *  \brief      This file is an example for a CRUD class file (Create/Read/Update/Delete)
 *				Initialy built by build_class_from_table on 2013-03-10 00:32
 */

// Put here all includes required by your class file
require_once(DOL_DOCUMENT_ROOT."/core/class/commonobject.class.php");
//require_once(DOL_DOCUMENT_ROOT."/societe/class/societe.class.php");
//require_once(DOL_DOCUMENT_ROOT."/product/class/product.class.php");


/**
 *	Put here description of your class
 */
class Opensurveysondage extends CommonObject
{
	var $db;							//!< To store db handler
	var $error;							//!< To return error code (or message)
	var $errors=array();				//!< To return several error codes (or messages)
	var $element='opensurvey_sondage';			//!< Id that identify managed objects
	var $table_element='opensurvey_sondage';	//!< Name of table without prefix where object is stored

    var $id;

	var $id_sondage;
	/**
	 * @deprecated
	 * @see description
	 */
	var $commentaires;
	public $description;

	var $mail_admin;
	var $nom_admin;

	/**
	 * Id of user author of the poll
	 * @var int
	 */
	public $fk_user_creat;

	var $titre;
	var $date_fin='';
	var $format;
	var $mailsonde;

	public $sujet;

	/**
	 * Allow comments on this poll
	 * @var bool
	 */
	public $allow_comments;

	/**
	 * Allow users see others vote
	 * @var bool
	 */
	public $allow_spy;

    /**
     *  Constructor
     *
     *  @param	DoliDb		$db      Database handler
     */
    function __construct($db)
    {
        $this->db = $db;
        return 1;
    }


    /**
     *  Create object into database
     *
     *  @param	User	$user        User that creates
     *  @param  int		$notrigger   0=launch triggers after, 1=disable triggers
     *  @return int      		   	 <0 if KO, Id of created object if OK
     */
    function create($user, $notrigger=0)
    {
		$error=0;

		// Clean parameters
		$this->cleanParameters();

		// Check parameters
		if (! $this->date_fin > 0)
		{
			$this->error='BadValueForEndDate';
			dol_syslog(get_class($this)."::create ".$this->error, LOG_ERR);
			return -1;
		}

        // Insert request
		$sql = "INSERT INTO ".MAIN_DB_PREFIX."opensurvey_sondage(";

		$sql.= "id_sondage,";
		$sql.= "commentaires,";
		$sql.= "fk_user_creat,";
		$sql.= "titre,";
		$sql.= "date_fin,";
		$sql.= "format,";
		$sql.= "mailsonde,";
		$sql.= "allow_comments,";
		$sql.= "allow_spy,";
		$sql.= "sujet";
        $sql.= ") VALUES (";

		$sql.= "'".$this->db->escape($this->id_sondage)."',";
		$sql.= " ".(empty($this->commentaires)?'NULL':"'".$this->db->escape($this->commentaires)."'").",";
		$sql.= " ".$user->id.",";
		$sql.= " '".$this->db->escape($this->titre)."',";
		$sql.= " '".$this->db->idate($this->date_fin)."',";
		$sql.= " '".$this->db->escape($this->format)."',";
		$sql.= " ".$this->db->escape($this->mailsonde).",";
		$sql.= " ".$this->db->escape($this->allow_comments).",";
		$sql.= " ".$this->db->escape($this->allow_spy).",";
		$sql.= " '".$this->db->escape($this->sujet)."'";

		$sql.= ")";

		$this->db->begin();

	   	dol_syslog(get_class($this)."::create", LOG_DEBUG);
        $resql=$this->db->query($sql);
    	if (! $resql) { $error++; $this->errors[]="Error ".$this->db->lasterror(); }

		if (! $error)
        {
			if (! $notrigger)
			{
				global $langs, $conf;

                // Call trigger
                $result=$this->call_trigger('OPENSURVEY_CREATE',$user);
                if ($result < 0) $error++;
                // End call triggers
			}
        }

        // Commit or rollback
        if ($error)
		{
			foreach($this->errors as $errmsg)
			{
	            dol_syslog(get_class($this)."::create ".$errmsg, LOG_ERR);
	            $this->error.=($this->error?', '.$errmsg:$errmsg);
			}
			$this->db->rollback();
			return -1*$error;
		}
		else
		{
			$this->db->commit();
            return $this->id;
		}
    }


    /**
     *  Load object in memory from the database
     *
     *  @param	int		$id    				Id object
     *  @param	string	$numsurvey			Ref of survey (admin or not)
     *  @return int          				<0 if KO, >0 if OK
     */
    function fetch($id,$numsurvey='')
    {
    	$sql = "SELECT";
		$sql.= " t.id_sondage,";
		$sql.= " t.commentaires as description,";
		$sql.= " t.mail_admin,";
		$sql.= " t.nom_admin,";
		$sql.= " t.fk_user_creat,";
		$sql.= " t.titre,";
		$sql.= " t.date_fin,";
		$sql.= " t.format,";
		$sql.= " t.mailsonde,";
		$sql.= " t.allow_comments,";
		$sql.= " t.allow_spy,";
		$sql.= " t.sujet,";
		$sql.= " t.tms";
        $sql.= " FROM ".MAIN_DB_PREFIX."opensurvey_sondage as t";
        $sql.= " WHERE t.id_sondage = '".$this->db->escape($numsurvey)."'";

    	dol_syslog(get_class($this)."::fetch", LOG_DEBUG);
        $resql=$this->db->query($sql);
        if ($resql)
        {
            if ($this->db->num_rows($resql))
            {
                $obj = $this->db->fetch_object($resql);

				$this->id_sondage = $obj->id_sondage;
				//For compatibility
				$this->ref = $this->id_sondage;

				$this->commentaires = $obj->description;	// deprecated
				$this->description = $obj->description;
				$this->mail_admin = $obj->mail_admin;
				$this->nom_admin = $obj->nom_admin;
				$this->titre = $obj->titre;
				$this->date_fin = $this->db->jdate($obj->date_fin);
				$this->format = $obj->format;
				$this->mailsonde = $obj->mailsonde;
				$this->allow_comments = $obj->allow_comments;
				$this->allow_spy = $obj->allow_spy;
				$this->sujet = $obj->sujet;
				$this->fk_user_creat = $obj->fk_user_creat;

				$this->date_m = $this->db->jdate($obj->tls);
				$ret=1;
            }
            else
            {
            	$sondage = ($id ? 'id='.$id : 'sondageid='.$numsurvey);
                $this->error='Fetch no poll found for '.$sondage;
                dol_syslog($this->error, LOG_ERR);
                $ret = 0;
            }

            $this->db->free($resql);
        }
        else
       {
      	    $this->error="Error ".$this->db->lasterror();
            $ret=-1;
        }

        return $ret;
    }


    /**
     *  Update object into database
     *
     *  @param	User	$user        User that modifies
     *  @param  int		$notrigger	 0=launch triggers after, 1=disable triggers
     *  @return int     		   	 <0 if KO, >0 if OK
     */
    function update($user=null, $notrigger=0)
    {
    	global $conf, $langs;
		$error=0;

		// Clean parameters
		$this->cleanParameters();

		// Check parameters
		// Put here code to add a control on parameters values

        // Update request
        $sql = "UPDATE ".MAIN_DB_PREFIX."opensurvey_sondage SET";

		$sql.= " id_sondage=".(isset($this->id_sondage)?"'".$this->db->escape($this->id_sondage)."'":"null").",";
		$sql.= " commentaires=".(isset($this->commentaires)?"'".$this->db->escape($this->commentaires)."'":"null").",";
		$sql.= " mail_admin=".(isset($this->mail_admin)?"'".$this->db->escape($this->mail_admin)."'":"null").",";
		$sql.= " nom_admin=".(isset($this->nom_admin)?"'".$this->db->escape($this->nom_admin)."'":"null").",";
		$sql.= " titre=".(isset($this->titre)?"'".$this->db->escape($this->titre)."'":"null").",";
		$sql.= " date_fin=".(dol_strlen($this->date_fin)!=0 ? "'".$this->db->idate($this->date_fin)."'" : 'null').",";
		$sql.= " format=".(isset($this->format)?"'".$this->db->escape($this->format)."'":"null").",";
		$sql.= " mailsonde=".(isset($this->mailsonde)?$this->db->escape($this->mailsonde):"null").",";
		$sql.= " allow_comments=".$this->db->escape($this->allow_comments).",";
		$sql.= " allow_spy=".$this->db->escape($this->allow_spy);

		$sql.= " WHERE id_sondage='".$this->db->escape($this->id_sondage)."'";

		$this->db->begin();

		dol_syslog(get_class($this)."::update", LOG_DEBUG);
        $resql = $this->db->query($sql);
    	if (! $resql) { $error++; $this->errors[]="Error ".$this->db->lasterror(); }

		if (! $error)
		{
			if (! $notrigger)
			{
	            // Uncomment this and change MYOBJECT to your own tag if you
	            // want this action calls a trigger.

	            //// Call triggers
	            //include_once DOL_DOCUMENT_ROOT . '/core/class/interfaces.class.php';
	            //$interface=new Interfaces($this->db);
	            //$result=$interface->run_triggers('MYOBJECT_MODIFY',$this,$user,$langs,$conf);
	            //if ($result < 0) { $error++; $this->errors=$interface->errors; }
	            //// End call triggers
	    	}
		}

        // Commit or rollback
		if ($error)
		{
			foreach($this->errors as $errmsg)
			{
	            dol_syslog(get_class($this)."::update ".$errmsg, LOG_ERR);
	            $this->error.=($this->error?', '.$errmsg:$errmsg);
			}
			$this->db->rollback();
			return -1*$error;
		}
		else
		{
			$this->db->commit();
			return 1;
		}
    }


 	/**
	 *  Delete object in database
	 *
     *	@param  User	$user        		User that deletes
     *  @param  int		$notrigger	 		0=launch triggers after, 1=disable triggers
     *  @param	string	$numsondage			Num sondage admin to delete
	 *  @return	int					 		<0 if KO, >0 if OK
	 */
	function delete($user, $notrigger, $numsondage)
	{
		global $conf, $langs;
		$error=0;

		$this->db->begin();

		if (! $error)
		{
			if (! $notrigger)
			{
                // Call trigger
                $result=$this->call_trigger('OPENSURVEY_DELETE',$user);
                if ($result < 0) $error++;
                // End call triggers
			}
		}

		if (! $error)
		{

			$sql='DELETE FROM '.MAIN_DB_PREFIX."opensurvey_comments WHERE id_sondage = '".$this->db->escape($numsondage)."'";
			dol_syslog(get_class($this)."::delete", LOG_DEBUG);
			$resql=$this->db->query($sql);
			$sql='DELETE FROM '.MAIN_DB_PREFIX."opensurvey_user_studs WHERE id_sondage = '".$this->db->escape($numsondage)."'";
			dol_syslog(get_class($this)."::delete", LOG_DEBUG);
			$resql=$this->db->query($sql);

    		$sql = "DELETE FROM ".MAIN_DB_PREFIX."opensurvey_sondage";
    		$sql.= " WHERE id_sondage = '".$this->db->escape($numsondage)."'";

    		dol_syslog(get_class($this)."::delete", LOG_DEBUG);
    		$resql = $this->db->query($sql);
        	if (! $resql) { $error++; $this->errors[]="Error ".$this->db->lasterror(); }
		}

        // Commit or rollback
		if ($error)
		{
			foreach($this->errors as $errmsg)
			{
	            dol_syslog(get_class($this)."::delete ".$errmsg, LOG_ERR);
	            $this->error.=($this->error?', '.$errmsg:$errmsg);
			}
			$this->db->rollback();
			return -1*$error;
		}
		else
		{
			$this->db->commit();
			return 1;
		}
	}

	/**
	 * Return array of lines
	 *
	 * @return 	int		<0 if KO, >0 if OK
	 */
	function fetch_lines()
	{
		$ret=array();

		$sql = "SELECT id_users, nom as name, reponses FROM ".MAIN_DB_PREFIX."opensurvey_user_studs";
		$sql.= " WHERE id_sondage = '".$this->db->escape($this->id_sondage)."'";
		$resql=$this->db->query($sql);

		if ($resql)
		{
			$num=$this->db->num_rows($resql);
			$i=0;
			while ($i < $num)
			{
				$obj=$this->db->fetch_object($resql);
				$tmp=array('id_users'=>$obj->id_users, 'nom'=>$obj->name, 'reponses'=>$obj->reponses);

				$ret[]=$tmp;
				$i++;
			}
		}
		else dol_print_error($this->db);

		$this->lines=$ret;

		return count($this->lines);
	}

	/**
	 *	Initialise object with example values
	 *	Id must be 0 if object instance is a specimen
	 *
	 *	@return	void
	 */
	function initAsSpecimen()
	{
		$this->id=0;

		$this->id_sondage='';
		$this->commentaires='';
		$this->mail_admin='';
		$this->nom_admin='';
		$this->titre='';
		$this->date_fin='';
		$this->format='';
		$this->mailsonde='';
	}

	/**
	 * Returns all comments for the current opensurvey poll
	 *
	 * @return Object[]
	 */
	public function getComments()
	{
		$comments = array();

		$sql = 'SELECT id_comment, usercomment, comment';
		$sql.= ' FROM '.MAIN_DB_PREFIX.'opensurvey_comments';
		$sql.= " WHERE id_sondage='".$this->db->escape($this->id_sondage)."'";
		$sql.= " ORDER BY id_comment";
		$resql = $this->db->query($sql);

		if ($resql)
		{
			$num_rows=$this->db->num_rows($resql);

			if ($num_rows > 0)
			{
				while ($obj = $this->db->fetch_object($resql))
				{
					$comments[] = $obj;
				}
			}
		}

		return $comments;
	}

	/**
	 * Adds a comment to the poll
	 *
	 * @param string $comment Comment content
	 * @param string $comment_user Comment author
	 * @return boolean False in case of the query fails, true if it was successful
	 */
	public function addComment($comment, $comment_user)
	{
		$sql = "INSERT INTO ".MAIN_DB_PREFIX."opensurvey_comments (id_sondage, comment, usercomment)";
		$sql.= " VALUES ('".$this->db->escape($this->id_sondage)."','".$this->db->escape($comment)."','".$this->db->escape($comment_user)."')";
		$resql = $this->db->query($sql);

		if (!$resql) {
			return false;
		}

		return true;
	}

	/**
	 * Deletes a comment of the poll
	 *
	 * @param int $id_comment Id of the comment
	 * @return boolean False in case of the query fails, true if it was successful
	 */
	public function deleteComment($id_comment)
	{
		$sql = 'DELETE FROM '.MAIN_DB_PREFIX.'opensurvey_comments WHERE id_comment = '.$id_comment.' AND id_sondage = "'.$this->db->escape($this->id_sondage).'"';
		$resql = $this->db->query($sql);

		if (!$resql) {
			return false;
		}

		return true;
	}

	/**
	 * Cleans all the class variables before doing an update or an insert
	 *
	 * @return void
	 */
	private function cleanParameters()
	{
		$this->id_sondage = trim($this->id_sondage);
		$this->commentaires = trim($this->commentaires);
		$this->mail_admin = trim($this->mail_admin);
		$this->nom_admin = trim($this->nom_admin);
		$this->titre = trim($this->titre);
		$this->format = trim($this->format);
		$this->mailsonde = ($this->mailsonde ? 1 : 0);
		$this->allow_comments = ($this->allow_comments ? 1 : 0);
		$this->allow_spy = ($this->allow_spy ? 1 : 0);
		$this->sujet = trim($this->sujet);
	}
}
