<?php
namespace DAL;

use Exception;
use metier\Article;
use PDO;
class ArticleGateway
{
    private $con;

    /**
     * @param $con
     */
    public function __construct($con)
    {
        $this->con = $con;
    }

    /**
     * @throws Exception
     */
    public function getAllArticles():array
    {
        try {
            $query = 'SELECT * FROM Article;';
            $this->con->executeQuery($query, array());
            return $this->con->getResults();
        }catch (\PDOException $e){
            throw new Exception("PDO error");
        }
    }

    /**
     * @throws Exception
     */
    public function addArticle(Article $article){
        try {
            $query = 'INSERT INTO Article VALUES (:id,:title,to_date(:date,"Dy, DD Mon YYYY"),:description,:guid,:link,:mediaContent,:provenance);';
            $this->con->executeQuery($query, array(':id' => array($article->getId(), PDO::PARAM_STR),
                ':title' => array($article->getTitle(), PDO::PARAM_STR),
                ':date' => array($article->getDate(), PDO::PARAM_STR),
                ':description' => array($article->getDescription(), PDO::PARAM_STR),
                ':guid' => array($article->getGuid(), PDO::PARAM_STR),
                ':link' => array($article->getLink(), PDO::PARAM_STR),
                ':mediaContent' => array($article->getMediaContent(), PDO::PARAM_STR),
                ':provenance' => array($article->getProvenance(), PDO::PARAM_INT)));
        }catch (\PDOException $e){
            throw new Exception("PDO error");
        }
    }

    public function removeAllArticleForParser(){
        try{
            $query = 'DELETE FROM Article;';
            $this->con->executeQuery($query);
        }catch(\PDOException $p){
            throw new Exception("Data is not delete.");
        }
    }
}