cosmetic fixes, enhance profile, fix mails, ...

app/Repositories/Core/DateStats.php

@@ -5,7 +5,7 @@ namespace App\Repositories\Core;
 use Carbon\Carbon;
 use Illuminate\Database\Eloquent\Model;
 
-Trait DateStats
+trait DateStats
 {
     public static function countByMonth($prev = 0)
     {

app/Repositories/Core/PDF.php

@@ -0,0 +1,88 @@
+<?php
+
+namespace App\Repositories\Core;
+
+use Barryvdh\DomPDF\Facade\Pdf as DomPDF;
+use GravityMedia\Ghostscript\Ghostscript;
+use Mpdf\Mpdf;
+use Barryvdh\Snappy\Facades\SnappyPdf;
+use Symfony\Component\Process\Process;
+
+class PDF
+{
+    public static function view($view, $data, $filename = 'file.pdf')
+    {
+        \Debugbar::disable();
+        $pdf = DomPDF::loadView($view, $data);
+        return $pdf->download($filename);
+    }
+
+    public static function convertHTML($html)
+    {
+        $mpdf = new Mpdf();
+        $mpdf->WriteHTML($html);
+        return $mpdf->Output();
+    }
+
+    public static function convertURL($url)
+    {
+        $pdf = SnappyPdf::loadFile($url);
+        return $pdf->download('invoice.pdf');
+    }
+
+    public static function convertIfNeeded($filename)
+    {
+        if (self::getVersion($filename) > 1.4) {
+            self::downgrade2($filename);
+        }
+    }
+
+    public static function getVersion($filename)
+    {
+        $pdf = fopen($filename, 'r');
+        if ($pdf) {
+            $line_first = fgets($pdf);
+            fclose($pdf);
+        } else {
+            echo 'error opening the file.';
+        }
+        preg_match_all('!\d+!', $line_first, $matches);
+        $version = implode('.', $matches[0]);
+
+        return (float) $version;
+    }
+
+    public static function downgrade($filename)
+    {
+        $new_filename = $filename.'-temp';
+        $ghostscript = new Ghostscript([
+            'quiet' => false,
+        ]);
+
+        $device = $ghostscript->createPdfDevice($new_filename);
+        $device->setCompatibilityLevel(1.4);
+
+        // dump($device);
+        $process = $device->createProcess($filename);
+        // dump($process);
+        // echo '$ ' . $process->getCommandLine() . PHP_EOL;
+        // exit;
+        $process->run(function ($type, $buffer) {
+            if ($type === Process::ERR) {
+                throw new \RuntimeException($buffer);
+            }
+            // print $buffer;
+        });
+
+        unlink($filename);
+        rename($new_filename, $filename);
+    }
+
+    public static function downgrade2($filename)
+    {
+        $new_filename = $filename.'-temp';
+        shell_exec('gs -dBATCH -dCompatibilityLevel=1.4 -dNOPAUSE -q -sDEVICE=pdfwrite -sOutputFile="'.$new_filename.'" "'.$filename.'"');
+        unlink($filename);
+        rename($new_filename, $filename);
+    }
+}