1:   2:   3:   4:   5:   6:   7:   8:   9:  10:  11:  12:  13:  14:  15:  16:  17:  18:  19:  20:  21:  22:  23:  24:  25:  26:  27:  28:  29:  30:  31:  32:  33:  34:  35:  36:  37:  38:  39:  40:  41:  42:  43:  44:  45:  46:  47:  48:  49:  50:  51:  52:  53:  54:  55:  56:  57:  58:  59:  60:  61:  62:  63:  64:  65:  66:  67:  68:  69:  70:  71:  72:  73:  74:  75:  76:  77:  78:  79:  80:  81:  82:  83:  84:  85:  86:  87:  88:  89:  90:  91:  92:  93:  94:  95:  96:  97:  98:  99: 100: 101: 102: 103: 104: 105: 106: 107: 108: 109: 110: 111: 112: 113: 114: 115: 116: 117: 118: 119: 120: 121: 122: 123: 124: 125: 126: 127: 128: 129: 130: 131: 132: 133: 134: 135: 136: 137: 138: 139: 140: 141: 142: 143: 144: 145: 146: 147: 148: 149: 150: 151: 152: 153: 154: 155: 156: 157: 158: 159: 160: 161: 162: 163: 164: 165: 166: 167: 168: 169: 170: 171: 172: 173: 174: 175: 176: 177: 178: 179: 180: 181: 182: 183: 184: 185: 186: 187: 188: 189: 190: 191: 192: 193: 194: 195: 196: 197: 198: 199: 200: 201: 202: 203: 204: 205: 206: 207: 208: 209: 210: 211: 212: 213: 214: 

<?php
/**
 * icms_ipf_export_Renderer class
 *
 * Class that renders a set of data into a specific export format
 * @category    ICMS
 * @package     Ipf
 * @subpackage  Export
 * @author      marcan <marcan@smartfactory.ca>
 * @version     SVN: $Id: Renderer.php 10326 2010-07-11 18:54:25Z malanciault $
 */

/**
 * renders a set of data into a specific export format
 *
 * @category    ICMS
 * @package     Ipf
 * @subpackage  Export
 *
 */
class icms_ipf_export_Renderer {

    public $data;
    public $format;
    public $filename;
    public $filepath;
    public $options;

    /**
     * Constructor
     *
     * @param array $data contains the data to be exported
     * @param string $format format of the ouputed export. Currently only supports CSV
     * @param string $filename name of the file in which the exported data will be saved
     * @param string $filepath path where the file will be saved
     * @param array $options options of the format to be exported in
     */
    public function __construct($data, $filename=false, $filepath=false, $format='csv', $options=array('separator'=>';')) {
        $this->data = $data;
        $this->format = $format;
        $this->filename = $filename;
        $this->filepath = $filepath;
        $this->options = $options;
    }

    /**
     * Converts an array to a comma-separated string
     *
     *
     * @param arr $dataArray
     * @param str $separator
     * @param str $trim
     * @param bool $removeEmptyLines
     */
    public function arrayToCsvString($dataArray, $separator, $trim = 'both', $removeEmptyLines = TRUE) {
        if (!is_array($dataArray) || empty ($dataArray))
        return '';
        switch ($trim) {
            case 'none' :
                $trimFunction = FALSE;
                break;

            case 'left' :
                $trimFunction = 'ltrim';
                break;

            case 'right' :
                $trimFunction = 'rtrim';
                break;

            default : //'both':
                $trimFunction = 'trim';
                break;
        }
        $ret = array();
        foreach ($dataArray as $key=>$field) {
            $ret[$key] = $this->valToCsvHelper($field, $separator, $trimFunction);
        }

        return implode($separator, $ret);

    }

    /**
     *
     *
     * @param str $val
     * @param str $separator
     * @param str $trimFunction
     */
    public function valToCsvHelper($val, $separator, $trimFunction) {
        if ($trimFunction)
        $val = $trimFunction ($val);
        //If there is a separator (;) or a quote (") or a linebreak in the string, we need to quote it.
        $needQuote = FALSE;
        do {
            if (strpos($val, '"') !== FALSE) {
                $val = str_replace('"', '""', $val);
                $needQuote = TRUE;
                break;
            }
            if (strpos($val, $separator) !== FALSE) {
                $needQuote = TRUE;
                break;
            }
            if ((strpos($val, "\n") !== FALSE) || (strpos($val, "\r") !== FALSE)) {
                // \r is for mac
                $needQuote = TRUE;
                break;
            }
        } while (FALSE);
        if ($needQuote) {
            $val = '"' . $val . '"';
        }
        return $val;
    }

    /**
     *
     */
    public function execute() {
        $exportFileData = '';

        switch ($this->format) {
            case 'csv':
                $separator = isset($this->options['separator']) ? $this->options['separator'] : ';';
                $firstRow = implode($separator, $this->data['columnsHeaders']);
                $exportFileData .= $firstRow . "\r\n";

                foreach ($this->data['rows'] as $cols) {
                    $exportFileData .= $this->arrayToCsvString($cols, $separator) . "\r\n";
                }
                break;

            default:
                break;
        }
        $this->saveExportFile($exportFileData);
    }

    /**
     *
     *
     * @param str $content
     */
    public function saveExportFile($content) {
        switch ($this->format) {
            case 'csv':
                $this->saveCsv($content);
                break;

            default:
                break;
        }
    }

    /**
     *
     *
     * @param str $content
     */
    public function saveCsv($content) {
        if (!$this->filepath) {
            $this->filepath = ICMS_UPLOAD_PATH . '/';
        }
        if (!$this->filename) {
            $this->filename .= time();
            $this->filename .= '.csv';
        }

        $fullFileName = $this->filepath . $this->filename;

        if (!$handle = fopen($fullFileName, 'a+')) {
            trigger_error('Unable to open ' . $fullFileName, E_USER_WARNING);
        } elseif (fwrite($handle, $content) === FALSE) {
            trigger_error('Unable to write in ' . $fullFileName, E_USER_WARNING);
        } else {
            $mimeType = 'text/csv';
            $file = strrev($this->filename);
            $temp_name = strtolower(strrev(substr($file,0,strpos($file,"--"))));
            if ($temp_name == '') {
                $file_name = $this->filename;
            } else {
                $file_name = $temp_name;
            }
            $fullFileName = $this->filepath . stripslashes(trim($this->filename));

            if (ini_get('zlib.output_compression')) {
                ini_set('zlib.output_compression', 'Off');
            }

            header("Pragma: public");
            header("Cache-Control: must-revalidate, post-check=0, pre-check=0");
            header("Cache-Control: private",false);
            header("Content-Transfer-Encoding: binary");
            if (isset($mimeType)) {
                header("Content-Type: " . $mimeType);
            }

            header("Content-Disposition: attachment; filename=" . $file_name);

            if (isset($mimeType) && strstr($mimeType, "text/")) {
                $fp = fopen($fullFileName, "r");
            } else {
                $fp = fopen($fullFileName, "rb");
            }
            fpassthru($fp);
            exit();
        }
        fclose($handle);
    }
}