<?php

/* 
 * Objeto para escribir y leer datos de acceso
 */

class LogAcceso {
    //put your code here
    private $file, $month, $year;
    private $dir;
    
    function __construct(){
        $this->month = date("m");
        $this->year = date("Y");
        $this->dir = $_SERVER['DOCUMENT_ROOT']."/log/";
        $this->updateFilename();
    }
    
    function setMes($mes){
        $this->month = $mes;
        $this->updateFilename();
    }
    function setAno($ano){
        $this->year = $ano;
        $this->updateFilename();
    }
    
    private function updateFilename(){
        $this->file = "acceso_".$this->year."_".$this->month.".log";
    }
    private function cleanLog($text){//remueve || de los textos
        return trim(str_ireplace( "||" , "" , $text));
    }
    
    function appendLog($usr_id, $usr_name){
        $filename = $this->dir.$this->file;
        
        if (!file_exists($this->dir)){
            mkdir($this->dir, 0755, true);
        }
        if (file_exists($this->dir)){
            $data = date('Y-m-d H:i:s')."||".$usr_id."||".$this->cleanLog(strtoupper($usr_name))."\n";
            file_put_contents($filename, $data, FILE_APPEND);
        }
    }
    function getLog($mes ="", $ano = ""){
        if($mes != "") setMes($mes);
        if($ano != "") setAno($ano);
        $filename = $this->dir.$this->file;
        if (file_exists($filename)){
            return file ($filename , FILE_SKIP_EMPTY_LINES);
        }else{
            return array();
        }
    }
}