1KA_F2F/admin/survey/modules/mod_NIJZ/class.SurveyNIJZ.php

<?php

define("TEMP_FOLDER", "admin/survey/modules/mod_NIJZ/temp");
define("SCRIPT_FOLDER", "admin/survey/modules/mod_NIJZ/R");
define("RESULTS_FOLDER", "admin/survey/modules/mod_NIJZ/results");

class SurveyNIJZ{


	private $anketa;					// id ankete
	private $usr_id;	                // id respondenta
	private $db_table = '';	

	private $vprasanja_radar = array();			// array z vsemi vprasanji in odgovori na njih, ki jih obravnavamo
	

	function __construct($anketa, $usr_id){

		// Ce imamo anketo, smo v status->ul evealvacija
		if ((int)$anketa > 0 && (int)$usr_id > 0){
			
            // Nastavimo id ankete
            $this->anketa = $anketa;

            // Nastavimo id respondenta
            $this->usr_id = $usr_id;

			# polovimo vrsto tabel (aktivne / neaktivne)
			SurveyInfo :: getInstance()->SurveyInit($this->anketa);
			if (SurveyInfo::getInstance()->getSurveyColumn('db_table') == 1) {
				$this->db_table = '_active';
			}
		}
        else{
		    die();
            //return false;
        }

        // Zakesiramo vprasanja z odgovori v array
		$this->cacheData();
	}

    // Nastavimo imena vprasanj za vse teme (nijz radar)
	private function cacheData(){

		// Napolnimo vprasanja
		$sql = sisplet_query("SELECT s.id, s.naslov, s.variable, s.label
							FROM srv_spremenljivka s, srv_grupa g
							WHERE s.gru_id=g.id AND g.ank_id='".$this->anketa."'
								AND s.variable LIKE 'radar%'");
		while($row = mysqli_fetch_array($sql)){
			
			$number = substr($row['variable'], 5);
			
			$this->vprasanja_radar[$number]['id'] = $row['id'];
			$this->vprasanja_radar[$number]['variable'] = $row['variable'];
			$this->vprasanja_radar[$number]['naslov'] = $row['label'];
		}	

		ksort($this->vprasanja_radar);

		// Napolnimo odgovore za vse teme
		foreach($this->vprasanja_radar as $st_vprasanja => $tema){
			
			$sqlData = sisplet_query("SELECT v.naslov, v.variable
									FROM srv_grupa g, srv_spremenljivka s, srv_vrednost v, srv_data_vrednost".$this->db_table." d
									WHERE s.id='".$tema['id']."' AND g.ank_id='".$this->anketa."' AND d.usr_id='".$this->usr_id."'
										AND s.id=v.spr_id AND s.gru_id=g.id AND d.vre_id=v.id AND d.spr_id=s.id
                                ");			

			if(mysqli_num_rows($sqlData) == 1){
                $rowData = mysqli_fetch_array($sqlData);		
				$this->vprasanja_radar[$st_vprasanja]['data'] = $rowData['variable'];
			}
		}
	}
	

    // Prikazemo radar graf po temah
    public function displayRadar(){
        global $lang;
        global $site_url;

        $this->createRadar();

        // CSS:)
        echo '<style>
            .nijz_radar_holder{
                text-align: center;
            }
            .nijz_radar_holder h1.radar_title{
                padding-top: 20px;
            }

            .nijz_radar_holder img{
                
            }
        </style>';

        echo '<div class="spremenljivka nijz_radar_holder">';

        echo '<h1 class="nijz_title radar_title">Bivalno okolje</h1>';

        echo '<img src="'.$site_url.RESULTS_FOLDER.'/radar_'.$this->usr_id.'.png">';

        echo '</div>';
    }

    // Prikazemo tabelo po temah
    public function displayTable(){
        global $lang;

        // CSS:)
        echo '<style>
            .nijz_table_holder{

            }
            .nijz_table_holder h1.table_title{
                padding-top: 20px;
            }

            .nijz_table_holder table.nijz_table{
                border-collapse: collapse;
                margin: 0 auto;
            }

            .nijz_table_holder table.nijz_table tr{
                
            }
            
            .nijz_table_holder table.nijz_table tr td{
                padding: 8px 12px;
                max-width: 400px;

                font-weight: 600;
                font-size: 17px;

                border: 1px #505050 solid;
            }
            .nijz_table_holder table.nijz_table tr td.tema1{ color: #9966cc; }
            .nijz_table_holder table.nijz_table tr td.tema2{ color: #cc0099; }
            .nijz_table_holder table.nijz_table tr td.tema3{ color: #FFD700; }
            .nijz_table_holder table.nijz_table tr td.tema4{ color: #cc6699; }
            .nijz_table_holder table.nijz_table tr td.tema5{ color: #FFA500; }
            .nijz_table_holder table.nijz_table tr td.tema6{ color: #008000; }
            .nijz_table_holder table.nijz_table tr td.tema7{ color: #3399cc; }
            .nijz_table_holder table.nijz_table tr td.tema8{ color: #99cc33; }
            .nijz_table_holder table.nijz_table tr td.tema9{ color: #0099cc; }
            .nijz_table_holder table.nijz_table tr td.tema10{ color: #669900; }
            .nijz_table_holder table.nijz_table tr td.tema11{ color: #66cc99; }
            .nijz_table_holder table.nijz_table tr td.tema12{ color: #FF0000; }
            .nijz_table_holder table.nijz_table tr td.tema13{ color: #FF8C00; }
            .nijz_table_holder table.nijz_table tr td.tema14{ color: #99cccc; }
        </style>';

        echo '<div class="spremenljivka nijz_table_holder">';

        //echo '<h1 class="nijz_title table_title">Naslov tabele</h1>';

        $half = round(count($this->vprasanja_radar) / 2);

        echo '<table class="nijz_table">';
        for($i=1; $i<=$half; $i++) {
            
            echo '<tr>';
            
            echo '<td class="tema'.$i.'">'.$this->vprasanja_radar[$i]['naslov'].'</td>';
            echo '<td class="tema'.$i.'">'.$this->vprasanja_radar[$i]['data'].'</td>';

            $j = $i + $half;

            echo '<td class="tema'.$j.'">'.$this->vprasanja_radar[$j]['naslov'].'</td>';
            echo '<td class="tema'.$j.'">'.$this->vprasanja_radar[$j]['data'].'</td>';
            
            echo '</tr>';      
        }
        echo '</table>';

        echo '</div>';
    }


	// Zgeneriramo pdf analizo
	public function createRadar(){
		global $site_path;
		global $admin_type;

        // Najprej pocistimo morebitno obstojeco sliko grafa
		$this->deleteRadar();

		// Zgeneriramo zacasne csv datoteke
		$this->prepareCSV();
		
		$script = $site_path . SCRIPT_FOLDER . '/Nijz.R';
		
        try{
            $out = exec('Rscript '.$script.' '.$this->usr_id.' 2>&1', $output, $return_var);
        }
        catch(Exception $e){
            return $e->getMessage();
        }
		
		// Testiranje - izpis errorjev
		/*if($admin_type == 0){
			echo '<div>';
			echo 'Rscript '.$script;
			//echo '<br />'.$out.'<br />';
			var_dump($output);
			echo '</div>';
		}*/
		
		// Na koncu pobrisemo zacasne datoteke
		$this->deleteTemp();
	}
	
	// Pripravimo zacasne datoteke
	private function prepareCSV(){
		global $site_path;
		
		$temp_folder = $site_path . TEMP_FOLDER.'/';
	
		// Ustvarimo CSV
        $fd = fopen($temp_folder.'/nijz_'.$this->usr_id.'.csv', "w");
                    
        $convertType = 1; // kateri tip konvertiranja uporabimo
        $convertTypes[1] = array('charSet'	=> 'windows-1250',
                            'delimit'	=> ';',
                            'newLine'	=> "\n",
                            'BOMchar'	=> "\xEF\xBB\xBF");
        # dodamo boomchar za utf-8
        fwrite($fd, $convertTypes[$convertType]['BOMchar']);
                    
        // Loop po vprasanjih / temah
        foreach ($this->vprasanja_radar as $vprasanje) {
            
            if (isset($vprasanje['data']) && (int)$vprasanje['data'] > 0) {
                
                $line = $vprasanje['naslov'].';'.$vprasanje['data'];
                fwrite($fd, $line."\r\n");
            }            
        }

        fclose($fd);
	}
	
	// Pobrisemo zacasne datoteke
	private function deleteTemp(){
		global $site_path;
		
		$temp_folder = $site_path . TEMP_FOLDER.'/';
				
		// Pobrisemo zacasno CSV datoteko s podatki
		if (file_exists($temp_folder.'/nijz_'.$this->usr_id.'.csv')) {
			unlink($temp_folder.'/nijz_'.$this->usr_id.'.csv');
		}
	}

    // Pobrisemo sliko grafa
	private function deleteRadar(){
		global $site_path;
		
		$results_folder = $site_path . RESULTS_FOLDER.'/';
				
		if (file_exists($results_folder.'/radar_'.$this->usr_id.'.png')) {
			unlink($results_folder.'/radar_'.$this->usr_id.'.png');
		}
	}

}