Server side export report

Add PDF and Excel export for report
Change generation of CSV to laravel-excel
Remove dompdf to use mpdf instand

app/Http/Controllers/ReportController.php

@@ -8,6 +8,7 @@ use Input;
 use Str;
 use Utils;
 use View;
+use Excel;
 
 /**
  * Class ReportController.
@@ -53,6 +54,7 @@ class ReportController extends BaseController
         }
 
         $action = Input::get('action');
+        $format = Input::get('format');
 
         if (Input::get('report_type')) {
             $reportType = Input::get('report_type');
@@ -104,7 +106,7 @@ class ReportController extends BaseController
             $params['report'] = $report;
             $params = array_merge($params, $report->results());
             if ($isExport) {
-                return self::export($reportType, $params['displayData'], $params['columns'], $params['reportTotals']);
+                return self::export($format, $reportType, $params);
             }
         } else {
             $params['columns'] = [];
@@ -117,56 +119,81 @@ class ReportController extends BaseController
     }
 
     /**
+     * @param $format
      * @param $reportType
-     * @param $data
+     * @param $params
-     * @param $columns
+     * @todo: Add summary to export
-     * @param $totals
      */
-     private function export($reportType, $data, $columns, $totals)
+    private function export($format, $reportType, $params)
-     {
+    {
         if (! Auth::user()->hasPermission('view_all')) {
             exit;
         }
 
-        $date = date('Y-m-d');
+        $format  = strtolower($format);
+        $data    = $params['displayData'];
+        $columns = $params['columns'];
+        $totals  = $params['reportTotals'];
+        $report  = $params['report'];
 
-        $callback = function() use ($data, $columns) {
+        $filename = "{$params['startDate']}-{$params['endDate']}_invoiceninja-".strtolower(trans("texts.$reportType"))."-report";
-            $output = fopen('php://output', 'w') or Utils::fatalError();
 
-            $columns = array_map(function($key, $val) {
-                return is_array($val) ? $key : $val;
-            }, array_keys($columns), $columns);
 
-            Utils::exportData($output, $data, Utils::trans($columns));
+        $formats = ['csv', 'pdf', 'xlsx'];
-        };
+        if(!in_array($format, $formats)) {
-
+            throw new \Exception("Invalid format request to export report");
-        /*
-        fwrite($output, trans('texts.totals'));
-        foreach ($totals as $currencyId => $fields) {
-            foreach ($fields as $key => $value) {
-                fwrite($output, ',' . trans("texts.{$key}"));
-            }
-            fwrite($output, "\n");
-            break;
         }
 
-        foreach ($totals as $currencyId => $fields) {
+        //Get labeled header
-            $csv = Utils::getFromCache($currencyId, 'currencies')->name . ',';
+        $report->tableHeaderArray();
-            foreach ($fields as $key => $value) {
+
-                $csv .= '"' . Utils::formatMoney($value, $currencyId).'",';
+        /*$summary = [];
-            }
+        if(count(array_values($totals))) {
-            fwrite($output, $csv."\n");
+            $summary[] = array_merge([
+                trans("texts.totals")
+            ], array_map(function ($key) {return trans("texts.{$key}");}, array_keys(array_values(array_values($totals)[0])[0])));
         }
-        */
 
-        $headers = [
+        foreach ($totals as $currencyId => $each) {
-            'Cache-Control'       => 'must-revalidate, post-check=0, pre-check=0',
+            foreach ($each as $dimension => $val) {
-            'Content-type'        => 'text/csv',
+                $tmp   = [];
-            'Content-Disposition' => "attachment; filename={$date}-invoiceninja-{$reportType}-report.csv",
+                $tmp[] = Utils::getFromCache($currencyId, 'currencies')->name . (($dimension) ? ' - ' . $dimension : '');
-            'Expires'             => '0',
-            'Pragma'              => 'public'
-        ];
 
-        return response()->stream($callback, 200, $headers);
+                foreach ($val as $id => $field) $tmp[] = Utils::formatMoney($field, $currencyId);
+
+                $summary[] = $tmp;
+            }
+        }
+
+        dd($summary);*/
+
+        return Excel::create($filename, function($excel) use($report, $data, $reportType, $format) {
+            $excel->sheet(trans("texts.$reportType"), function($sheet) use($report, $data, $format) {
+
+                $sheet->setOrientation('landscape');
+                $sheet->freezeFirstRow();
+
+                //Add border on PDF
+                if($format == 'pdf')
+                    $sheet->setAllBorders('thin');
+
+                $sheet->rows(array_merge(
+                    [array_map(function($col) {return $col['label'];}, $report->columns_labeled)],
+                    $data
+                ));
+
+                //Styling header
+                $sheet->cells('A1:'.Utils::num2alpha(count($report->columns_labeled)-1).'1', function($cells) {
+                    $cells->setBackground('#777777');
+                    $cells->setFontColor('#FFFFFF');
+                    $cells->setFontSize(14);
+                    $cells->setFontFamily('Calibri');
+                    $cells->setFontWeight('bold');
+                });
+
+
+                $sheet->setAutoSize(true);
+            });
+        })->export($format);
     }
 }

app/Libraries/Utils.php

@@ -1241,4 +1241,12 @@ class Utils
        fclose($handle);
        return( ord($contents[28]) != 0 );
     }
+
+    //Source: https://stackoverflow.com/questions/3302857/algorithm-to-get-the-excel-like-column-name-of-a-number
+    public static function num2alpha($n)
+    {
+        for($r = ""; $n >= 0; $n = intval($n / 26) - 1)
+            $r = chr($n%26 + 0x41) . $r;
+        return $r;
+    }
 }

composer.json

@@ -40,7 +40,6 @@
         "digitickets/omnipay-realex": "~5.0",
         "dioscouri/omnipay-cybersource": "dev-master",
         "doctrine/dbal": "2.5.x",
-        "dompdf/dompdf": "^0.8.0",
         "ezyang/htmlpurifier": "~v4.7",
         "fotografde/omnipay-checkoutcom": "~2.0",
         "fruitcakestudio/omnipay-sisow": "~2.0",
@@ -67,6 +66,7 @@
         "meebio/omnipay-creditcall": "dev-master",
         "meebio/omnipay-secure-trading": "dev-master",
         "mfauveau/omnipay-pacnet": "~2.0",
+        "mpdf/mpdf": "^6.1",
         "nwidart/laravel-modules": "^1.14",
         "omnipay/2checkout": "dev-master#e9c079c2dde0d7ba461903b3b7bd5caf6dee1248",
         "omnipay/bitpay": "dev-master",

config/excel.php

@@ -1,4 +1,21 @@
 <?php
+//https://github.com/PHPOffice/PHPExcel/issues/556#issuecomment-216722159
+switch (PHP_OS) {
+    case 'WINNT':
+        PHPExcel_Shared_Font::setTrueTypeFontPath('C:/Windows/Fonts/');
+        PHPExcel_Shared_Font::setAutoSizeMethod(PHPExcel_Shared_Font::AUTOSIZE_METHOD_EXACT);
+        break;
+
+    case 'Darwin':
+        PHPExcel_Shared_Font::setTrueTypeFontPath('/Library/Fonts/');
+        PHPExcel_Shared_Font::setAutoSizeMethod(PHPExcel_Shared_Font::AUTOSIZE_METHOD_EXACT);
+        break;
+
+    case 'Linux':
+        PHPExcel_Shared_Font::setTrueTypeFontPath('/usr/share/fonts/truetype/');
+        PHPExcel_Shared_Font::setAutoSizeMethod(PHPExcel_Shared_Font::AUTOSIZE_METHOD_EXACT);
+        break;
+}
 
 return array(
 
@@ -171,7 +188,7 @@ return array(
         | having the appropriate fonts installed.
         |
         */
-        'autosize-method'             => PHPExcel_Shared_Font::AUTOSIZE_METHOD_APPROX,
+        'autosize-method'             => PHPExcel_Shared_Font::AUTOSIZE_METHOD_EXACT,
 
         /*
         |--------------------------------------------------------------------------
@@ -291,7 +308,7 @@ return array(
             |--------------------------------------------------------------------------
             | Supported: DomPDF, tcPDF, mPDF
             */
-            'driver'  => 'DomPDF',
+            'driver'  => 'mPDF',
 
             /*
             |--------------------------------------------------------------------------

resources/lang/en/texts.php

@@ -2392,7 +2392,7 @@ $LANG = array(
     'tax1' => 'First Tax',
     'tax2' => 'Second Tax',
     'fee_help' => 'Gateway fees are the costs charged for access to the financial networks that handle the processing of online payments.',
-	'download_pdf' => 'Download PDF'
+	'format_export' => 'Exporting format'
 
 );
 

resources/views/reports/chart_builder.blade.php

@@ -16,11 +16,6 @@
         }
 
     </style>
-
-    @foreach ($account->getFontFolders() as $font)
-        <script src="{{ asset('js/vfs_fonts/'.$font.'.js') }}" type="text/javascript"></script>
-    @endforeach
-    <script src="{{ asset('pdf.built.js') }}?no_cache={{ NINJA_VERSION }}" type="text/javascript"></script>
 @stop
 
 @section('content')
@@ -38,7 +33,6 @@
         var chartStartDate = moment("{{ $startDate }}");
         var chartEndDate = moment("{{ $endDate }}");
         var dateRanges = {!! $account->present()->dateRangeOptions !!};
-        window.invoiceFonts = {!!  json_encode(Cache::get('fonts')) !!};
 
         $(function () {
 
@@ -164,12 +158,9 @@
 
 
             <center>
-                @if(request()->report_type)
+                {!! Former::select('format')
-                    {!! Button::warning(trans('texts.download_pdf'))
+                            ->label(trans('texts.format_export'))
-                            ->withAttributes(array('onclick' => 'exportPDF()'))
+                            ->options(['csv' => 'CSV', 'pdf' => 'PDF', 'xlsx' => 'Excel']) !!}
-                            ->appendIcon(Icon::create('save'))
-                            ->large() !!}
-                @endif
                 {!! Button::primary(trans('texts.export'))
                         ->withAttributes(array('onclick' => 'onExportClick()'))
                         ->appendIcon(Icon::create('export'))
@@ -364,131 +355,6 @@
                     }
                 });
             })
-
-                <?php
-
-                $summary = [];
-                if(count(array_values($reportTotals))) {
-                    $summary[] = array_merge([
-                            trans("texts.totals")
-                        ], array_map(function ($key) {
-                            return ['text' => trans("texts.{$key}"),
-                                    'style' => 'tableHeader'
-                            ];
-                        }, array_keys(array_values(array_values($reportTotals)[0])[0])));
-                }
-
-                foreach ($reportTotals as $currencyId => $each) {
-                    foreach ($each as $dimension => $val) {
-                        $tmp   = [];
-                        $tmp[] = Utils::getFromCache($currencyId, 'currencies')->name . (($dimension) ? ' - ' . $dimension : '');
-
-                        foreach ($val as $id => $field) $tmp[] = Utils::formatMoney($field, $currencyId);
-
-                        $summary[] = $tmp;
-                    }
-                }
-
-                ?>
-
-            function addFont(font){
-                if(window.ninjaFontVfs[font.folder]){
-                    folder = 'fonts/'+font.folder;
-                    pdfMake.fonts[font.name] = {
-                        normal: folder+'/'+font.normal,
-                        italics: folder+'/'+font.italics,
-                        bold: folder+'/'+font.bold,
-                        bolditalics: folder+'/'+font.bolditalics
-                    }
-                }
-            }
-
-            pdfMake.fonts = {}
-            fonts = window.invoiceFonts || invoice.invoice_fonts;
-
-            // Add only the loaded fonts
-            $.each(fonts, function(i,font){
-                addFont(font);
-            });
-            var dd = {!! html_entity_decode(json_encode( [
-                                        'pageOrientation' => 'landscape',
-                                        'content' => [
-                                            [
-                                                'text'  => $reportTypes[$reportType],
-                                                'style' => 'header'
-                                            ],
-                                            [
-                                                'style'  => 'reportTable',
-                                                'table' => [
-                                                    'headerRows' => 1,
-                                                    'widths'     => '*',
-                                                    'body'       => $summary
-                                                 ],
-                                                'layout' => 'lightHorizontalLines'
-                                            ],
-                                            [
-                                                'style'  => 'reportTable',
-                                                'table'  => [
-                                                    'headerRows' => 1,
-                                                    'widths'     => '*',
-                                                    'body'       =>
-                                                        array_merge(
-                                                            [array_map(function($array) {
-                                                                return [
-                                                                    'text' =>  $array['label'],
-                                                                    'style' => 'tableHeader'
-                                                                ];
-                                                            }, $report->columns_labeled)]
-                                                        , array_map(function($row) {
-                                                            return array_map(function($col) {
-                                                                if(strpos($col, "<a href") !== FALSE) {
-                                                                    $hrefs = [];
-                                                                    preg_match('#<a.*href=[\'"](.*)["\'].*>(.*)<.*#', $col, $hrefs);
-                                                                    return [
-                                                                        'text' => $hrefs[2],
-                                                                        'link' => $hrefs[1]
-                                                                    ];
-                                                                }
-                                                                return $col;
-                                                            }, $row);
-                                                        }, $displayData))
-
-                                                ],
-                                                'layout' => 'lightHorizontalLines'
-                                            ]
-                                        ],
-                                        'styles'  => [
-                                            'header'       => [
-                                                'fontSize' => 18,
-                                                'bold'     => true,
-                                                'margin'   => [
-                                                    0,
-                                                    0,
-                                                    0,
-                                                    10
-                                                ]
-                                            ],
-                                            'reportTable' => [
-                                                'margin' => [
-                                                    0,
-                                                    5,
-                                                    0,
-                                                    50
-                                                ]
-                                            ],
-                                            'tableHeader'  => [
-                                                'bold'     => true,
-                                                'fontSize' => 13,
-                                                'color'    => 'black'
-                                            ]
-                                        ],
-                                        'defaultStyle' => [
-                                            'font' => Cache::get('fonts')[0]['name']
-                                        ]
-                                    ] , JSON_PRETTY_PRINT)) !!}
-                    function exportPDF() {
-                    pdfMake.createPdf(dd).download($('#reportrange').data('daterangepicker').startDate.format('YYYY-MM-DD') + '-' + $('#reportrange').data('daterangepicker').endDate.format('YYYY-MM-DD')+'_'+'{{'-invoiceninja-'.$reportTypes[$reportType].'-report'}}');
-                }
         </script>
         @stop