Custom labels snipeit

labels.blade.php

@php
// Most of the code is taken from this issue https://github.com/snipe/snipe-it/issues/3526#issuecomment-665558690

// No, this code shouldn't be here
// But it's being hacked in-place to minimize the number of file changes until it's properly integrated into the Laravel structure for a PR
require(resource_path('views/hardware/fpdf/fpdf.php'));

// Settings (per label mm chosen)
// All dimensions in mm (except font size)
$labelSettings = array();

$labelSettings[12]['margin'] = 0;                                                                    // Extra margin on all sides
$labelSettings[12]['labelHeight'] = 12-$labelSettings[12]['margin'];                                 // Overall label height
$labelSettings[12]['labelWidth'] = 32-$labelSettings[12]['margin'];                                  // Overall label width
$labelSettings[12]['qrCodeSize'] = $labelSettings[12]['labelHeight'];                                // Width/height (square) size of QR code 
$labelSettings[12]['textWidth'] = $labelSettings[12]['labelWidth']-$labelSettings[12]['qrCodeSize']; // Width of the label text area
$labelSettings[12]['fontSize'] = 8;                                                                  // Font size in points
$labelSettings[12]['fontLineHeight'] = 2.5;                                                          // Line spacing in mm between text lines
$labelSettings[12]['textFromQrCodeSpacing'] = 1;                                                     // Extra padding between QR code and label text
$labelSettings[12]['heightSpacing'] = .8;                                                            // Extra padding from top to the label text

$labelSettings[18]['margin'] = 0;                                                                    // Extra margin on all sides
$labelSettings[18]['labelHeight'] = 24-$labelSettings[18]['margin'];                                 // Overall label height
$labelSettings[18]['labelWidth'] = 24-$labelSettings[18]['margin'];                                  // Overall label width
$labelSettings[18]['qrCodeSize'] = $labelSettings[18]['labelHeight'];                                // Width/height (square) size of QR code 
$labelSettings[18]['textWidth'] = $labelSettings[18]['labelWidth']-$labelSettings[18]['qrCodeSize']; // Width of the label text area
$labelSettings[18]['fontSize'] = 9;                                                                  // Font size in points
$labelSettings[18]['fontLineHeight'] = 2.8;                                                          // Line spacing in mm between text lines
$labelSettings[18]['textFromQrCodeSpacing'] = 13;                                                     // Extra padding between QR code and label text
$labelSettings[18]['heightSpacing'] = 1.5;                                                             // Extra padding from top to the label text

$labelSettings[24]['margin'] = 0;                                                                    // Extra margin on all sides
$labelSettings[24]['labelHeight'] = 24-$labelSettings[24]['margin'];                                 // Overall label height
$labelSettings[24]['labelWidth'] = 89-$labelSettings[24]['margin'];                                  // Overall label width
$labelSettings[24]['qrCodeSize'] = $labelSettings[24]['labelHeight'];                                // Width/height (square) size of QR code 
$labelSettings[24]['textWidth'] = $labelSettings[24]['labelWidth']-$labelSettings[24]['qrCodeSize']; // Width of the label text area
$labelSettings[24]['fontSize'] = 9;                                                                  // Font size in points
$labelSettings[24]['fontLineHeight'] = 2.8;                                                          // Line spacing in mm between text lines
$labelSettings[24]['textFromQrCodeSpacing'] = 13;                                                    // Extra padding between QR code and label text
$labelSettings[24]['heightSpacing'] = 1.5;                                                           // Extra padding from top to the label text

$labelAction = false;

if (isset($_POST['labelaction']) && preg_match("/\(([0-9]+)mm\)/", $_POST['labelaction'], $matches)) {
  $labelAction = true;

  $size = (int)$matches[1];
  if (!isset($labelSettings[$size])) {
    echo "Internal error invalid size {$size} doesn't match any settings";
    return;
  }

  $chosenSettings = $labelSettings[$size];

  // Output file
  $labelFile = "labels-".time().".pdf";
  $outputFile = sys_get_temp_dir()."/{$labelFile}";

  $pdf = new FPDF('L', 'mm', array($chosenSettings['labelWidth'], $chosenSettings['labelHeight']));
  $pdf->AliasNbPages();
  $pdf->SetAutoPageBreak(false);
  foreach ($assets as $asset) {
    $pdf->AddPage();
    $pdf->SetY(0);
    $pdf->SetX(0);

    // Rect(float x, float y, float w, float h [, string style])
    $pdf->Rect(0, 0, $chosenSettings['labelWidth'], $chosenSettings['labelHeight'], "D");
    
    // SetFont(string family [, string style [, float size]])
    $pdf->SetFont('Arial','B', $chosenSettings['fontSize']);
    
    // QR Code
    $qrCode = public_path().'/uploads/barcodes/qr-'.str_slug($asset->asset_tag).'-'.str_slug($asset->id).'.png';
    if (!file_exists($qrCode)) {
      echo "QR code doesn't exist: {$qrCode} - try reloading the original page and wait until all QR codes are displayed</br>";
    }
	  
	  // Image(string file [, float x [, float y [, float w [, float h [, string type [, mixed link]]]]]])
    $pdf->Image($qrCode, 0, 0, $chosenSettings['qrCodeSize'], $chosenSettings['qrCodeSize'], "PNG");
        
    // Cell(float w [, float h [, string txt [, mixed border [, int ln [, string align [, boolean fill [, mixed link]]]]]]])
    $pdf->Cell($chosenSettings['labelWidth'], $chosenSettings['heightSpacing'], "", 0, 1);
	  
	  // Spacing from the right of the QR code before the text
    $pdf->Cell($chosenSettings['textFromQrCodeSpacing']);

    // Uses Snipe's "Label visible fields" settings
    // Displayed on the label in the order of the array
    $labelFields = array (
      array($settings->labels_display_company_name, (isset($asset->company) ? $asset->company->name : null)),
      array($settings->labels_display_tag, $asset->asset_tag),
      array($settings->labels_display_name, $asset->name),
      array($settings->labels_display_serial, $asset->serial),
      array($settings->labels_display_model, "{$asset->model->name} {$asset->model->model_number}"),
    );

    $labelText = "";
    $setOne = false;

    foreach ($labelFields as $field) {
      list($enabled, $text) = $field; 
      if ($enabled == '1') {
        if ($setOne) {
          $labelText .= "\n";
        } else {
          $setOne = true;
        }
        $labelText .= $text;
      }
    }

    // UTF-8 Encoding
    $labelText = iconv('UTF-8', 'windows-1252', $labelText);

    // MultiCell(float w, float h, string txt [, mixed border [, string align [, boolean fill]]])
    $pdf->MultiCell($chosenSettings['textWidth'], $chosenSettings['fontLineHeight'], $labelText, 0, "L");

    // Create the PDF file
    $pdf->Output("F", $outputFile);

    switch ($_POST['labelaction']) {
      case "Download (12mm)":
      case "Download (18mm)":
      case "Download (24mm)":
        if (preg_match("/^labels\-[0-9]+\.pdf$/", $labelFile)) {
          $file = sys_get_temp_dir()."/{$labelFile}";
          if (file_exists($file)) {
            header('Content-Description: File Transfer');
            header('Content-Type: application/octet-stream');
            header('Content-Disposition: attachment; filename="'.basename($file).'"');
            header('Expires: 0');
            header('Cache-Control: must-revalidate');
            header('Pragma: public');
            header('Content-Length: ' . filesize($file));
            readfile($file);
            return;
          }
        } else {
          echo "Invalid label file specified for download: {$labelFile} <br/>";
        }
      break;

      case "Print":
        $cmd = '"'.$adobePath.'"'; 
        $args = '/n /t "'.$outputFile.'" "'.$printerName.'"';

        echo "Running {$cmd} {$args} to print PDF<br/>";
        runAsynchronously($cmd, $args);
      break;
    }
  }
}
@endphp

<!doctype html>
<html lang="en">
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
    <title>Labels</title>
  </head>
  <body>

    <style>
      @if ($snipeSettings->custom_css)
        {{ $snipeSettings->show_custom_css() }}
      @endif

      body {
        background-color: #CCC;
        margin: 0;
        padding: 0;
      }

      .download {
        margin-bottom: 4px;
      }

      .table-header {
        font-weight: bold;
      }
    </style>

    @if ($labelAction == false)
      <form action="/hardware/bulkedit" method="POST">
      <input type="hidden" name="bulk_actions" value="labels">
      <input type="hidden" name="_token" value="{{ csrf_token() }}" />
      <input type="hidden" name="btSelectItem" value="{{isset($_POST['btSelectItem']) ? $_POST['btSelectItem'] : ''}}">
      <input type="hidden" name="search" value="{{isset($_POST['search']) ? $_POST['search'] : ''}}">
      @foreach ($_POST['ids'] as $id)
        <input type="hidden" name="ids[{{$id}}]" value="{{$id}}">
      @endforeach
      <div>
        Notes: 
        <ul>
          <li>Wait for this page to load fully before using any of the below options. The QR codes are generated as they are displayed by your browser.</li>
          <li>This ignores most of the "Label Settings" dimensions in Snipe, except for "Label visible fields"</li>
        </ul>
      </div>
      <table border="0">
        <tr>
          <td class="table-header"><div>Download PDF File</div><div>(includes all labels)</div></td>
          <td>
<!--            <div class="download">
              <input type="submit" name="labelaction" value="Download (12mm)">
            </div>
-->            <div class="download">
              <button name="labelaction" value="Download (18mm)">Download (24mm) QR-only</button>
            </div>
            <div class="download">
              <input type="submit" name="labelaction" value="Download (24mm)">
            </div>
          </td>
        </tr>
<!--        <tr>
          <td class="table-header">12mm Print Settings</td>
          <td>Landscape, {{ $labelSettings[12]['labelWidth'] }}mm length</td>
-->        </tr>
        <tr>
          <td class="table-header">24mm QR-only Print Settings</td>
          <td>Landscape, {{ $labelSettings[18]['labelWidth'] }}mm length</td>
        </tr>
        <tr>
          <td class="table-header">24mm Print Settings</td>
          <td>Landscape, {{ $labelSettings[24]['labelWidth'] }}mm length</td>
        </tr>
      </div>

      @foreach ($assets as $asset)
        <tr><td class="table-header">Asset {{ $asset->id }}</td><td><img src="./{{ $asset->id }}/qr_code" class="qr_img"></td></tr>
      @endforeach
      </table>
      </form>
  @endif

  </body>
</html>