<?php

class journalArticle extends _publication {
    
    private $journal_name = "";
    private $journal_id = "";
    private $article_id = "";
    private $volume = 0;
    private $issue = 0;
    protected $type = 1;
    
    public function setJournal($name) {
        $this->journal_name = $name;
        return;
    }
    
    public function setVolumeIssue($volumeIssue) {
        /*  volume (issue) */
        $vi = explode ("(",  preg_replace('/[^\d(]/', '', $volumeIssue));
        $this->volume = preg_replace ('/\D/', '', $vi[0]);
        
        if (count ($vi)>1) {
            $this->issue = preg_replace ('/\D/', '', $vi[1]);
        }
        
        return;
    }

    public function setVolume($volume) {
        /*  volume (issue) */
        $this->volume = preg_replace ('/\D/', '', $volume);
        return;
    }
    public function setIssue($issue) {

        $this->issue = preg_replace ('/\D/', '', $issue);
        return;
    }
    
    
    // each type has its own master record
    // THIS ONLY ADDS article (master of publication)
    protected function _addMaster() {
        
       $this->type = 1;
       
       if (!$this->_isJournal()) {
           if (!$this->_addJournal()) {
                common::except ('Err cannot add journal, terminating (in ' .__DIR__ .'/' .__FILE__ .':' .__LINE__ .')');
                return false;
           }
       }
       
       if (!$this->_isArticle()) {
           if (!$this->_addArticle()) {
                common::except ('Err cannot add journal article, terminating (in ' .__DIR__ .'/' .__FILE__ .':' .__LINE__ .')');
                return false;
           }
       }

       return $this->article_id;
       
    }
    
    private function _isArticle() {
        try {
            $stmt = $this->PDO->prepare("SELECT id FROM p_journalArticle WHERE id_journal=:id_journal AND volume=:volume AND issue=:issue AND fromPage=:fromPage AND toPage=:toPage");
            $stmt->execute(array(
                'id_journal' => $this->journal_id,
                'volume' => $this->volume,
                'issue' => $this->issue,
                'fromPage' => $this->fromPage,
                'toPage' => $this->toPage));
            
            // this instead of rowCount to make in compatible with non-mysql DB
            if ($r = $stmt->fetch(PDO::FETCH_NUM)) {
                $this->article_id = $r[0];
                return true;
            }
            return false;

       }
       catch (exception $ex) {
          common::except ('Err: ' .$ex .' in ' .__DIR__ .'/' .__FILE__ .':' .__LINE__);
       }  
    }

    private function _addArticle() {
       try {
            $stmt = $this->PDO->prepare("INSERT INTO p_journalArticle (id_journal, volume, issue, fromPage, toPage) VALUES (:id_journal, :volume, :issue, :fromPage, :toPage)");
            $stmt->execute(array(
                'id_journal' => $this->journal_id,
                'volume' => intval($this->volume),
                'issue' => intval($this->issue),
                'fromPage' => intval($this->fromPage),
                'toPage' => intval($this->toPage)));
            
            $this->article_id = $this->PDO->lastInsertId();
            
            return true;
       }
       catch (exception $ex) {
          common::except ('Err: ' .$ex .' in ' .__DIR__ .'/' .__FILE__ .':' .__LINE__);
       }  
    }

    
    
    private function _addJournal() {
       try {
            $stmt = $this->PDO->prepare("INSERT INTO l_journal (name) VALUES (:name)");
            $stmt->execute(array($this->journal_name));
            
            $this->journal_id = $this->PDO->lastInsertId();
            return true;

       }
       catch (exception $ex) {
          common::except ('Err: ' .$ex .' in ' .__DIR__ .'/' .__FILE__ .':' .__LINE__);
          return false;
       }
    }
    
    private function _isJournal() {
       try {
           for ($x=1; $x<=2; $x++) {
               $stmt = $this->PDO->prepare("SELECT id FROM l_journal where name=:name " .($x==1?'AND id_issn!="" ':'') ." order by id asc");
               $stmt->execute(array($this->journal_name));

               // this instead of rowCount to make in compatible with non-mysql DB
               if ($r = $stmt->fetch(PDO::FETCH_NUM)) {
                   $this->journal_id = $r[0];
                   return true;
               }
           }
           return false;

       }
       catch (exception $ex) {
          common::except ('Err: ' .$ex .' in ' .__DIR__ .'/' .__FILE__ .':' .__LINE__);
       }  
    }

    
    
    
}