<?php
namespace Bsr\Db;

class DbHelper
{
    /**
     * Retrieve the list of all type available in the database.
     * @param boolean $withJeunesse add 'Jeunesse' to the list
     * @return array
     */
    public static function listOfGenres($withJeunesse = false)
    {
        $sql = "SELECT DISTINCT
                    LTRIM(RTRIM(Codes.Code)) as code,
                    LTRIM(RTRIM(Codes.TextFre)) AS text
                FROM Codes
                INNER JOIN Notices ON Codes.Code = Notices.MediaType2Code
                WHERE
                    Codes.Type = 2
                    AND Notices.NoticeNr NOT LIKE '%~%'
                    AND Notices.NoticeNr NOT LIKE '%V%'
                    AND Notices.NoticeNr NOT LIKE '%T%'
                    AND Codes.TextFre !=''
                    AND Notices.MediaType1Code = 'CDD'
					ORDER BY text;";


        $results = Connection::execute($sql)->to_array();

        if($withJeunesse) {
            array_unshift($results, array('code' => 'J', 'text' => 'Jeunesse'));
        }

        return $results;
    }

    /**
     * Retrieve the list of all books currently lent to readers.
     */
    public static function inReading()
    {
        $sql = "SELECT
                    NoticeNr, title, author, displayName
                FROM notices, items, circulations, UserAccounts
                WHERE
                    MediaType1code='N' and NoticeNr not like '%~%'
                    AND items.NoticeID = notices.NoticeID
                    AND items.ItemID = circulations.ItemID
                    AND UserAccounts.UserAccountID = circulations.UserAccountID
                ORDER BY author, title;";

        return array_map(function($row) {
            return array(
                "NoticeNr" => $row['NoticeNr'],
                "auteur" => $row['author'],
                "titre" => $row['title'],
                "lecteur" => $row['displayName']
            );
        }, Connection::execute($sql)->to_array());
    }
}