Add LDraw loader

app/config/services.yml

@@ -20,6 +20,9 @@ services:
     loader.rebrickable:
         class: AppBundle\Service\RebrickableLoader
         arguments: ['@doctrine.orm.entity_manager', '@manager.rebrickable']
+    loader.ldraw:
+        class: AppBundle\Service\LDrawLoader
+        arguments: ['@doctrine.orm.entity_manager', '%kernel.root_dir%/../bin/ldview', '%kernel.root_dir%/../var/data/ldraw']
   
     app.form.filter_set:
         class: AppBundle\Form\FilterSetType

src/AppBundle/Command/LoadLDrawCommand.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace AppBundle\Command;
+
+use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Finder\Finder;
+
+class LoadLDrawCommand extends ContainerAwareCommand
+{
+    protected function configure()
+    {
+        $this
+            ->setName('app:load:ldraw')
+            ->setDescription('Loads LDraw library parts')
+            ->setHelp("This command allows you to..")
+            ->addArgument('ldraw', InputArgument::REQUIRED, 'Path to LDraw library folder')
+        ;
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $this->getContainer()->get('loader.ldraw')->loadModels($input->getArgument('ldraw'));
+    }
+}

src/AppBundle/Service/LDrawLoader.php

@@ -0,0 +1,115 @@
+<?php
+
+namespace AppBundle\Service;
+
+use AppBundle\Entity\Model;
+use Doctrine\ORM\EntityManager;
+use Symfony\Component\Asset\Exception\LogicException;
+use Symfony\Component\Finder\Finder;
+use Symfony\Component\Finder\SplFileInfo;
+use Symfony\Component\Process\Exception\ProcessFailedException;
+use Symfony\Component\Process\ProcessBuilder;
+
+class LDrawLoader
+{
+    /**
+     * @var EntityManager
+     */
+    private $em;
+
+    /**
+     * @var string LDView binary file path
+     */
+    private $ldview;
+
+    /**
+     * @var string LDraw library root path
+     */
+    private $ldraw;
+
+    /**
+     * @var string
+     */
+    private $dataPath;
+
+
+    public function __construct($em, $ldview, $dataPath)
+    {
+        $this->em = $em;
+        $this->ldview = $ldview;
+        $this->dataPath = $dataPath;
+    }
+
+    // LDraw
+    public function loadModels($LDrawLibrary)
+    {
+        $finder = new Finder();
+        $files = $finder->files()->name('*.dat')->depth('== 0')->in(getcwd().DIRECTORY_SEPARATOR.$LDrawLibrary.'/parts');
+
+        $this->ldraw = getcwd().DIRECTORY_SEPARATOR.$LDrawLibrary;
+
+        foreach ($files as $file) {
+            $this->loadModelHeader($file);
+        }
+    }
+
+    private function loadModelHeader(SplFileInfo $fileInfo)
+    {
+        $handle = fopen($fileInfo->getRealPath(), 'r');
+        if ($handle) {
+            $firstLine = fgets($handle);
+            $description = trim(substr($firstLine, 2));
+            $model = new Model();
+            $model->setFile($fileInfo->getFilename());
+            $p['category'] = explode(' ', trim($description))[0];
+
+            //TODO handle ~Moved to
+
+            while (!feof($handle)) {
+                $line = trim(fgets($handle));
+                if ($line && ($line[0] == '1')) {
+                    break;
+                } elseif ($line && ($line[0] == '0' && strpos($line, '!CATEGORY '))) {
+                    $p['category'] = trim(explode('!CATEGORY ', $line)[1]);
+                } elseif ($line && ($line[0] == '0' && strpos($line, '!KEYWORDS '))) {
+                    $keywords = explode(',', explode('!KEYWORDS ', $line)[1]);
+                    foreach ($keywords as $k) {
+                        $p['keywords'][] = trim($k);
+                    }
+                } elseif ($line && ($line[0] == '0' && strpos($line, 'Name: '))) {
+                    $model->setNumber(trim(explode('.dat', explode('Name: ', $line)[1])[0]));
+                } elseif ($line && ($line[0] == '0' && strpos($line, 'Author: '))) {
+                    $model->setAuthor(explode('Author: ', $line)[1]);
+                }
+            }
+
+            $builder = new ProcessBuilder();
+            $process = $builder
+                ->setPrefix($this->ldview)
+                ->setArguments([
+                    $fileInfo->getRealPath(),
+                    '-ExportFiles=1',
+                    '-LDrawDir='.$this->ldraw,
+                    '-ExportSuffix=.stl',
+                    '-ExportsDir='.$this->dataPath,
+                ])
+                ->getProcess();
+
+
+            $process->run();
+
+
+            if (!$process->isSuccessful()) {
+                throw new ProcessFailedException($process);
+            } else {
+                var_dump($process->getOutput());
+            }
+
+//            $this->em->persist($model);
+//            $this->em->flush();
+        } else {
+            throw new LogicException('loadHeader error'); //TODO
+        }
+        fclose($handle);
+    }
+}