Merged feat/STLRenderer into dev

LICENSE

@@ -0,0 +1,505 @@
+GNU LESSER GENERAL PUBLIC LICENSE
+                       Version 2.1, February 1999
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app/Resources/povray_layout/layout.tmpl

@@ -0,0 +1,55 @@
+#declare main_mesh = m_MYSOLID;
+#include "math.inc"
+#include "finish.inc"
+#include "transforms.inc"
+#include "colors.inc"
+
+background {color rgb 1}
+
+light_source { <-10,-15,15> color White }
+light_source { <-11,-4,10> color White }
+light_source { <-10,14,20> color White }
+
+
+global_settings {
+  assumed_gamma 2.1
+}
+
+#declare Min = min_extent( main_mesh );
+#declare Max = max_extent( main_mesh );
+
+#declare MaxLength = max(
+    Max.x-Min.x,
+    Max.y-Min.y,
+    Max.z-Min.z
+);
+
+// Calculate camera distace factor - if object is large on Y axis and Z axis move the camera further
+#declare cameraDistance = (((Max.x-Min.x)*(1/MaxLength) > 0.3) & ((Max.y-Min.y)*(1/MaxLength) > 0.95) ? 1: 0.9);
+
+camera
+{
+	location <-1.5*cameraDistance, -1*cameraDistance, 1.1*cameraDistance>
+    angle 45
+	sky z
+	look_at 0
+	translate <0,0.05,-0.15>
+	right -1*x
+}
+
+object
+{
+    main_mesh
+    Center_Trans(main_mesh, x+y+z)
+
+//    rotate <-90,0,0>
+    rotate <0,90,0>
+    
+    texture
+    {
+        pigment{ color rgb<0, 0.34, 0.6> }
+        finish { phong .51}
+    }
+    scale (1/MaxLength)
+}
+

app/Resources/views/brickset/instructions.html.twig

@@ -17,7 +17,7 @@
         {% for instruction in instructions %}
             <tr>
                 <td>{{ instruction.description }}</td>
-                <td>{{ utils.bytesToSize( remoteSize(instruction.uRL)) }}</td>
+                <td>{{ remoteSize(instruction.uRL) | bytesToSize }}</td>
                 <td><a href="{{ instruction.uRL }}">{{ remoteFilename(instruction.uRL) }}</a></td>
             </tr>
         {% endfor %}

app/Resources/views/macros/elements.html.twig

@@ -3,7 +3,10 @@
         <div class="ui bordered fluid image">
             <a href="{{ url('model_detail', {'number': model.number})}}">
                 <div class="image">
-                    <img src="{{ asset('/ldraw/images/'~model.number~'.png') | imagine_filter('model_min') }}" data-src="{{ asset('/ldraw/images/'~model.number~'.png') | imagine_filter('model_min') }}" class="transition visible">
+                    <img src="{{ asset('/images/-1/'~model.number~'.png') | imagine_filter('model_min') }}" data-src="{{ asset('/ldraw/images/-1/'~model.number~'.png') | imagine_filter('model_min') }}" class="transition visible">
+                    {#<div class="image load">#}
+                        {#<img src="{{ model.number|partImage|imagine_filter('rebrickable_part_min') }}" data-src="{{ model.number|partImage|imagine_filter('rebrickable_part_min') }}" class="transition visible">#}
+                    {#</div>#}
                 </div>
                 <div class="ui bottom attached label {%  if model.parts|length == 0 %}black{% endif %}">{{ model.number }}</div>
             </a>

app/Resources/views/macros/utils.html.twig

@@ -1,21 +0,0 @@
-{#http://stackoverflow.com/a/15303004#}
-{% macro bytesToSize(bytes) %}
-    {% spaceless %}
-        {% set kilobyte = 1024 %}
-        {% set megabyte = kilobyte * 1024 %}
-        {% set gigabyte = megabyte * 1024 %}
-        {% set terabyte = gigabyte * 1024 %}
-
-        {% if bytes < kilobyte %}
-            {{ bytes ~ ' B' }}
-        {% elseif bytes < megabyte %}
-            {{ (bytes / kilobyte)|number_format(2, '.') ~ ' KB' }}
-        {% elseif bytes < gigabyte %}
-            {{ (bytes / megabyte)|number_format(2, '.') ~ ' MB' }}
-        {% elseif bytes < terabyte %}
-            {{ (bytes / gigabyte)|number_format(2, '.') ~ ' GB' }}
-        {% else %}
-            {{ (bytes / terabyte)|number_format(2, '.') ~ ' TB' }}
-        {% endif %}
-    {% endspaceless %}
-{% endmacro %}

app/Resources/views/model/detail.html.twig

@@ -11,7 +11,7 @@
     <div class="ui grid">
         <div class="column ten wide">
             <div id="model-viewer" class="model-container">
-                <img src="{{ asset('ldraw/images/'~model.number~'.png') | imagine_filter('model_large')}}">
+                <img src="{{ asset('/images/-1/'~model.number~'.png') | imagine_filter('model_large')}}">
             </div>
         </div>
         <div class="column six wide">

app/config/config.yml

@@ -8,7 +8,7 @@ imports:
 parameters:
     locale: en
     # rebrickable csv files root URL (http://rebrickable.com/media/downloads/ or local dir containing csv files)
-    rebrickable_csv_url: 'http://rebrickable.com/media/downloads/'
+    rebrickable_downloads_url: 'http://rebrickable.com/media/downloads/'
 
 framework:
     #esi:             ~
@@ -65,13 +65,13 @@ doctrine:
         naming_strategy: doctrine.orm.naming_strategy.underscore
         auto_mapping: true
 
-# Swiftmailer Configuration
+## Swiftmailer Configuration
-swiftmailer:
+#swiftmailer:
-    transport: "%mailer_transport%"
+#    transport: "%mailer_transport%"
-    host:      "%mailer_host%"
+#    host:      "%mailer_host%"
-    username:  "%mailer_user%"
+#    username:  "%mailer_user%"
-    password:  "%mailer_password%"
+#    password:  "%mailer_password%"
-    spool:     { type: memory }
+#    spool:     { type: memory }
 
 knp_menu:
     twig:
@@ -97,7 +97,7 @@ liip_imagine:
               filesystem_service: oneup_flysystem.media_filesystem
         rebrickable:
               stream:
-                  wrapper: 'http://m.rebrickable.com/media/'
+                  wrapper: 'http://rebrickable.com/media/'
 
     resolvers:
         default:

app/config/parameters.yml.dist

@@ -10,11 +10,6 @@ parameters:
     # You should uncomment this if you want use pdo_sqlite
     # database_path: "%kernel.root_dir%/data.db3"
 
-    mailer_transport:  smtp
-    mailer_host:       127.0.0.1
-    mailer_user:       ~
-    mailer_password:   ~
-
     # A secret key that's used to generate certain security-related tokens
     secret:            ThisTokenIsNotSoSecretChangeIt
 
@@ -24,5 +19,10 @@ parameters:
     # Rebrickable API key obtainable at http://rebrickable.com/api/
     rebrickable_apikey:   ~
 
-    # Absolute path to OSMesa port of LDView
+    # Path to OSMesa port of LDView
     ldview_bin: /usr/bin/ldview
+
+    # Path to POV-Ray binary - http://www.povray.org/
+    povray_bin: /usr/bin/povray
+    # Path to stl2pov (version 3.3.0) - https://rsmith.home.xs4all.nl/software/py-stl-stl2pov.html
+    stl2pov_bin: /usr/bin/stl2pov

app/config/service/loader.yml

@@ -3,15 +3,11 @@ services:
         abstract:  true
         class: AppBundle\Service\Loader\BaseLoader
         calls:
-          - [setArguments, ['@doctrine.orm.entity_manager', '@monolog.logger.loader']]
+          - [setArguments, ['@doctrine.orm.entity_manager', '@monolog.logger.loader', '@app.transformer.format']]
-
-    service.ldview:
-        class: AppBundle\Service\LDViewService
-        arguments: ['%ldview_bin%', '@oneup_flysystem.media_filesystem']
 
     service.loader.rebrickable:
         class: AppBundle\Service\Loader\RebrickableLoader
-        arguments: ['%rebrickable_csv_url%']
+        arguments: ['%rebrickable_downloads_url%']
         parent: service.loader.base
 
     service.loader.model:
@@ -23,3 +19,8 @@ services:
         class: AppBundle\Service\Loader\RelationLoader
         arguments: ['@api.manager.rebrickable', '@app.relation.mapper']
         parent: service.loader.base
+
+    service.loader.image:
+        class: AppBundle\Service\Loader\ImageLoader
+        arguments: ['@oneup_flysystem.media_filesystem', '%rebrickable_downloads_url%','@service.renderer.stl']
+        parent: service.loader.base

app/config/service/manager.yml

@@ -1 +0,0 @@
-services:

app/config/service/service.yml

@@ -2,11 +2,14 @@ services:
     app.twig_extension:
         class: AppBundle\Twig\AppExtension
         public: false
-        arguments: ['@api.manager.rebrickable']
+        arguments: ['@api.manager.rebrickable', '@app.transformer.format']
         tags:
             - { name: twig.extension }
 
-    app.relation.mapper:
+    service.renderer.stl:
-        class: AppBundle\Utils\RelationMapper
+        class: AppBundle\Service\StlRendererService
-        arguments:
+        arguments: ['%kernel.root_dir%/Resources/povray_layout/layout.tmpl', '%povray_bin%','%stl2pov_bin%']
-            - ['%kernel.root_dir%/Resources/relations']
+
+    service.ldview:
+        class: AppBundle\Service\LDViewService
+        arguments: ['%ldview_bin%', '@oneup_flysystem.media_filesystem']

app/config/service/util.yml

@@ -0,0 +1,8 @@
+services:
+    app.transformer.format:
+        class: AppBundle\Transformer\FormatTransformer
+
+    app.relation.mapper:
+        class: AppBundle\Util\RelationMapper
+        arguments:
+            - ['%kernel.root_dir%/Resources/relations']

app/config/services.yml

@@ -2,7 +2,7 @@ imports:
     - { resource: service/repository.yml }
     - { resource: service/api.yml }
     - { resource: service/loader.yml }
-    - { resource: service/manager.yml }
+    - { resource: service/util.yml }
     - { resource: service/service.yml }
     - { resource: service/form.yml }
     - { resource: service/menu.yml }

bin/stl2pov-2.5.0/LICENSE

@@ -0,0 +1,23 @@
+stl2pov is copyright © 2004--2007 R.F.Smith <rsmith@xs4all.nl>. 
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions
+are met:
+1. Redistributions of source code must retain the above copyright
+   notice, this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGE.

src/AppBundle/Command/InitDataCommand.php

@@ -0,0 +1,67 @@
+<?php
+
+namespace AppBundle\Command;
+
+use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
+use Symfony\Component\Console\Input\ArrayInput;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputDefinition;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class InitDataCommand extends ContainerAwareCommand
+{
+    protected function configure()
+    {
+        $this
+            ->setName('app:init')
+            ->setDescription('Loads relations between LDraw models and Rebrickable parts.')
+            ->setHelp('This command allows you to load relation between models and parts into database.')
+            ->setDefinition(
+                new InputDefinition([
+                    new InputArgument('ldraw', InputArgument::REQUIRED, 'Path to LDraw library directory'),
+                ])
+            );
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $loadModelsCommand = $this->getApplication()->find('app:load:models');
+
+        $returnCode = $loadModelsCommand->run(new ArrayInput([
+            'command' => 'app:load:models',
+            'ldraw' => $input->getArgument('ldraw'),
+            '--all' => true
+        ]),$output);
+
+        if($returnCode) {
+            return 1;
+        }
+
+        $loadRebrickableCommad = $this->getApplication()->find('app:load:rebrickable');
+        $returnCode = $loadRebrickableCommad->run(new ArrayInput([
+            'command' => 'app:load:rebrickable']),$output);
+
+        if($returnCode) {
+            return 1;
+        }
+
+        $loadRelationsCommand = $this->getApplication()->find('app:load:relations');
+
+        $returnCode = $loadRelationsCommand->run(new ArrayInput([
+            'command' => 'app:load:relations']),$output);
+
+        if($returnCode) {
+            return 1;
+        }
+
+        $loadImagesCommand = $this->getApplication()->find('app:load:images');
+
+        $returnCode = $loadImagesCommand->run(new ArrayInput([
+                'command' => 'app:load:images',
+                '--color' => -1,
+                '--rebrickable' => true,
+                '--models' => true
+            ]),$output);
+    }
+}

src/AppBundle/Command/LoadModelImagesCommand.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace AppBundle\Command;
+
+use AppBundle\Utils\RenderSTL;
+use Libre3d\Render3d\Render3d;
+use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputDefinition;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class LoadModelImagesCommand extends ContainerAwareCommand
+{
+    protected function configure()
+    {
+        $this
+            ->setName('app:load:images')
+            ->setDescription('Loads images of models')
+            ->setHelp('This command allows you to load rendered images of models from Rebrickable or/and generate rendered images from stl files of models.')
+            ->setDefinition(
+                new InputDefinition([
+                    new InputOption('color', 'c', InputOption::VALUE_REQUIRED, 'Color ID of images to load.'),
+                    new InputOption('url', 'u', InputOption::VALUE_REQUIRED, 'Url of zip file to load'),
+                    new InputOption('rebrickable', 'r', InputOption::VALUE_NONE, 'Download images from Rebicable.com'),
+                    new InputOption('models', 'm', InputOption::VALUE_NONE, 'Load missing images of models'),
+                ])
+            );
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $imageLoaderService = $this->getContainer()->get('service.loader.image');
+        $imageLoaderService->setOutput($output);
+
+        $color = $input->getOption('color');
+        $url = $input->getOption('url');
+
+        if($color !== null && $input->getOption('rebrickable')) {
+            $imageLoaderService->loadColorFromRebrickable($color, $url);
+        }
+
+        if($input->getOption('models')) {
+            $imageLoaderService->loadMissingModelImages($color);
+        }
+    }
+}

src/AppBundle/Command/LoadModelsCommand.php

@@ -23,7 +23,6 @@ class LoadModelsCommand extends ContainerAwareCommand
             ->setDefinition(
                 new InputDefinition([
                     new InputArgument('ldraw', InputArgument::REQUIRED, 'Path to LDraw library directory'),
-//                    new InputOption('images', 'i', InputOption::VALUE_NONE, 'Do you want to generate images of models?'),
                     new InputOption('all', 'a', InputOption::VALUE_NONE, 'Load all models from LDraw libary folder (/parts directory)'),
                     new InputOption('file', 'f', InputOption::VALUE_REQUIRED, 'Load single modle into database'),
                     new InputOption('update', 'u', InputOption::VALUE_NONE, 'Overwrite already loaded models'),
@@ -35,8 +34,7 @@ class LoadModelsCommand extends ContainerAwareCommand
     {
         if (!$this->lock()) {
             $output->writeln('The command is already running in another process.');
-
+            return 1;
-            return 0;
         }
 
         $modelLoader = $this->getContainer()->get('service.loader.model');
@@ -51,12 +49,10 @@ class LoadModelsCommand extends ContainerAwareCommand
             if (($path = $input->getOption('file')) != null) {
                 if ($file = realpath($path)) {
                     $output->writeln([
-                        'Loading model',
+                        "Loading model: {$path}",
-                        'path: '.$file,
-                        '------------------------------------------------------------------------------',
                     ]);
 
-                    $modelLoader->loadOneModel($file);
+                    $modelLoader->loadOne($file);
 
                     $errorCount = $this->getContainer()->get('monolog.logger.loader')->countErrors();
                     $errors = $errorCount ? '<error>'.$errorCount.'</error>' : '<info>0</info>';
@@ -70,10 +66,12 @@ class LoadModelsCommand extends ContainerAwareCommand
             // Load all models inside ldraw/parts directory
             if ($input->getOption('all')) {
                 $output->writeln([
-                    'Loading models from LDraw library: <comment>'.$ldrawPath.'</comment>',
+                    '<fg=cyan>------------------------------------------------------------------------------</>',
+                    "<fg=cyan>Loading models from LDraw library:</> <comment>{$ldrawPath}</comment>",
+                    '<fg=cyan>------------------------------------------------------------------------------</>',
                 ]);
 
-                $modelLoader->loadAllModels();
+                $modelLoader->loadAll();
 
                 $errorCount = $this->getContainer()->get('monolog.logger.loader')->countErrors();
                 $errors = $errorCount ? '<error>'.$errorCount.'</error>' : '<info>0</info>';
@@ -81,7 +79,9 @@ class LoadModelsCommand extends ContainerAwareCommand
                 $output->writeln(['Done with "'.$errors.'" errors.']);
             }
         } else {
-            $output->writeln($ldraw.' is not valid path');
+            $output->writeln("<error>{$ldraw} is not a valid path!</error>");
+            $this->release();
+            return 1;
         }
 
         $this->release();

src/AppBundle/Command/LoadRebrickableDataCommand.php

@@ -2,6 +2,7 @@
 
 namespace AppBundle\Command;
 
+use League\Flysystem\Exception;
 use Symfony\Bundle\FrameworkBundle\Command\ContainerAwareCommand;
 use Symfony\Component\Console\Input\InputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
@@ -21,7 +22,11 @@ class LoadRebrickableDataCommand extends ContainerAwareCommand
         $rebrickableLoader = $this->getContainer()->get('service.loader.rebrickable');
         $rebrickableLoader->setOutput($output);
 
-        //TODO log errors
+        try {
-        $rebrickableLoader->loadTables();
+            $rebrickableLoader->loadAll();
+        } catch (Exception $exception) {
+            $output->writeln("<error>{$exception->getMessage()}</error>");
+            return 1;
+        }
     }
 }

src/AppBundle/Command/LoadRelationCommand.php

@@ -21,7 +21,15 @@ class LoadRelationCommand extends ContainerAwareCommand
         $relationLoader = $this->getContainer()->get('service.loader.relation');
         $relationLoader->setOutput($output);
 
-        //TODO log errors
+
-        $relationLoader->loadNotPaired();
+        $output->writeln([
+            '<fg=cyan>------------------------------------------------------------------------------</>',
+            "<fg=cyan>Loading relations between parts and models...</>",
+            '<fg=cyan>------------------------------------------------------------------------------</>',
+        ]);
+
+        $relationLoader->loadAll();
+
+        $output->writeln(['<info>Done!</info>']);
     }
 }

src/AppBundle/Exception/RenderFailedException.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace AppBundle\Exception;
+
+use Throwable;
+
+class RenderFailedException extends FileException
+{
+    public function __construct($path, $message = '', $code = 0, Throwable $previous = null)
+    {
+        $message = sprintf('Error rendering "%s" file.', $path);
+
+        parent::__construct($path, $message, $code, $previous);
+    }
+}

src/AppBundle/Service/LDViewService.php

@@ -58,11 +58,11 @@ class LDViewService
      */
     public function datToStl($file, $rewrite = false)
     {
-        if (!$this->mediaFilesystem->has('ldraw'.DIRECTORY_SEPARATOR.'models')) {
+        if (!$this->mediaFilesystem->has('models')) {
-            $this->mediaFilesystem->createDir('ldraw'.DIRECTORY_SEPARATOR.'models');
+            $this->mediaFilesystem->createDir('models');
         }
 
-        $newFile = 'ldraw'.DIRECTORY_SEPARATOR.'models'.DIRECTORY_SEPARATOR.basename($file, '.dat').'.stl';
+        $newFile = 'models'.DIRECTORY_SEPARATOR.basename($file, '.dat').'.stl';
 
         if (!$this->mediaFilesystem->has($newFile) || $rewrite) {
             $this->runLDView([
@@ -70,7 +70,7 @@ class LDViewService
                 '-LDrawDir='.$this->ldrawLibraryContext->getAdapter()->getPathPrefix(),
                 '-ExportFiles=1',
                 '-ExportSuffix=.stl',
-                '-ExportsDir='.$this->mediaFilesystem->getAdapter()->getPathPrefix().'ldraw'.DIRECTORY_SEPARATOR.'models',
+                '-ExportsDir='.$this->mediaFilesystem->getAdapter()->getPathPrefix().'models',
             ]);
 
             // Check if file created successfully
@@ -96,11 +96,11 @@ class LDViewService
      */
     public function datToPng($file, $rewrite = false)
     {
-        if (!$this->mediaFilesystem->has('ldraw'.DIRECTORY_SEPARATOR.'images')) {
+        if (!$this->mediaFilesystem->has('images')) {
-            $this->mediaFilesystem->createDir('ldraw'.DIRECTORY_SEPARATOR.'images');
+            $this->mediaFilesystem->createDir('images');
         }
 
-        $newFile = 'ldraw'.DIRECTORY_SEPARATOR.'images'.DIRECTORY_SEPARATOR.basename($file, '.dat').'.png';
+        $newFile = 'images'.DIRECTORY_SEPARATOR.basename($file, '.dat').'.png';
 
         if (!$this->mediaFilesystem->has($newFile) || $this->rewrite) {
             $this->runLDView([
@@ -118,7 +118,7 @@ class LDViewService
                 '-SaveWidth=800',
                 '-CurveQuality=12',
                 '-DefaultLatLong=45,40',
-                '-SaveDir='.$this->mediaFilesystem->getAdapter()->getPathPrefix().'ldraw'.DIRECTORY_SEPARATOR.'images',
+                '-SaveDir='.$this->mediaFilesystem->getAdapter()->getPathPrefix().'images',
                 '-SaveSnapshots=1',
             ]);
 

src/AppBundle/Service/Loader/BaseLoader.php

@@ -4,6 +4,7 @@ namespace AppBundle\Service\Loader;
 
 use AppBundle\Exception\FileNotFoundException;
 use AppBundle\Exception\WriteErrorException;
+use AppBundle\Transformer\FormatTransformer;
 use Doctrine\ORM\EntityManager;
 use Monolog\Logger;
 use Symfony\Bundle\FrameworkBundle\Translation\Translator;
@@ -29,21 +30,29 @@ abstract class BaseLoader
      */
     protected $progressBar;
 
-    /** @var Logger */
+    /**
+     * @var Logger
+     */
     protected $logger;
 
+    /**
+     * @var FormatTransformer
+     */
+    private $formatTransformer;
+
     /**
      * Loader constructor.
      *
      * @param EntityManager $em
      * @param Translator    $translator
      */
-    public function setArguments(EntityManager $em, $logger)
+    public function setArguments(EntityManager $em, $logger, $formatTransformer)
     {
         $this->em = $em;
         $this->em->getConnection()->getConfiguration()->setSQLLogger(null);
 
         $this->logger = $logger;
+        $this->formatTransformer = $formatTransformer;
     }
 
     public function setOutput(OutputInterface $output)
@@ -57,28 +66,33 @@ abstract class BaseLoader
      *
      * @param $total
      */
-    protected function initProgressBar($total)
+    protected function initProgressBar($total, $format = 'loader')
     {
         $this->progressBar = new ProgressBar($this->output, $total);
-//        $this->progressBar->setFormat('very_verbose');
+        ProgressBar::setFormatDefinition('loader', '[%current% / %max%] [%bar%] %percent:3s%% (%elapsed:6s%/%estimated:-6s%) (%message%)' . PHP_EOL);
-        $this->progressBar->setFormat('[%current%/%max%] [%bar%] %percent:3s%% (%elapsed:6s%/%estimated:-6s%) (%filename%)'.PHP_EOL);
+        ProgressBar::setFormatDefinition('download', '[%progress% / %size%] [%bar%] %percent:3s%% (%elapsed:6s%/%estimated:-6s%)' . PHP_EOL);
+        $this->progressBar->setFormat($format);
         $this->progressBar->setBarWidth(70);
+
         $this->progressBar->start();
     }
 
     protected function progressCallback($notification_code, $severity, $message, $message_code, $bytes_transferred, $bytes_max)
     {
+        $this->logger->info($notification_code);
+
         switch ($notification_code) {
             case STREAM_NOTIFY_FILE_SIZE_IS:
                 $this->initProgressBar($bytes_max);
-                $this->progressBar->setFormat('[%current%/%max%] [%bar%] %percent:3s%% (%elapsed:6s%/%estimated:-6s%)'.PHP_EOL);
+                $this->progressBar->setFormat('download');
+                $this->progressBar->setMessage($this->formatTransformer->bytesToSize($bytes_max),'size');
+                $this->progressBar->setRedrawFrequency($bytes_max/20);
                 break;
             case STREAM_NOTIFY_PROGRESS:
                 $this->progressBar->setProgress($bytes_transferred);
+                $this->progressBar->setMessage($this->formatTransformer->bytesToSize($bytes_transferred),'progress');
                 break;
             case STREAM_NOTIFY_COMPLETED:
-                $this->progressBar->setMessage('<info>Done</info>');
-                $this->progressBar->setProgress($bytes_max);
                 $this->progressBar->finish();
                 break;
         }
@@ -106,6 +120,7 @@ abstract class BaseLoader
             if (false === file_put_contents($temp, fopen($url, 'r', 0, $ctx))) {
                 throw new WriteErrorException($temp);
             }
+            $this->progressBar->finish();
         } catch (ContextErrorException $e) {
             throw new FileNotFoundException($url);
         } catch (\Exception $e) {
@@ -114,4 +129,9 @@ abstract class BaseLoader
 
         return $temp;
     }
+
+    protected function writeOutput(array $lines) {
+        if($this->output)
+            $this->output->writeln($lines);
+    }
 }

src/AppBundle/Service/Loader/ImageLoader.php

@@ -0,0 +1,68 @@
+<?php
+
+namespace AppBundle\Service\Loader;
+
+
+use AppBundle\Entity\LDraw\Model;
+use AppBundle\Service\StlRendererService;
+use League\Flysystem\Filesystem;
+
+class ImageLoader extends BaseLoader
+{
+    /** @var Filesystem */
+    private $mediaFilesystem;
+
+    /** @var string */
+    private $rebrickableDownloadUrl;
+
+    /** @var StlRendererService */
+    private $stlRendererService;
+
+    public function __construct($mediaFilesystem, $rebrickableDownloadUrl, $stlRendererService)
+    {
+        $this->mediaFilesystem = $mediaFilesystem;
+        $this->rebrickableDownloadUrl = $rebrickableDownloadUrl;
+        $this->stlRendererService = $stlRendererService;
+    }
+
+    public function loadColorFromRebrickable($color, $path = null)
+    {
+        if(!$path) {
+            $path = $this->rebrickableDownloadUrl."ldraw/parts_{$color}.zip";
+        }
+
+        $file = $this->downloadFile($path);
+        $zip = new \ZipArchive($file);
+
+        if ($zip->open($file) === TRUE) {
+            $this->output->writeln([
+                "Extracting ZIP file into {$this->mediaFilesystem->getAdapter()->getPathPrefix()}images/{$color}"
+            ]);
+            $zip->extractTo($this->mediaFilesystem->getAdapter()->getPathPrefix().'images'.DIRECTORY_SEPARATOR.$color);
+            $zip->close();
+            $this->output->writeln(['Done!']);
+        } else {
+            $this->output->writeln(['<error>Extraction of file failed!</error>']);
+        }
+    }
+
+    public function loadMissingModelImages($color) {
+        $models = $this->em->getRepository(Model::class)->findAll();
+
+        $this->initProgressBar(count($models));
+        foreach ($models as $model) {
+            $this->progressBar->setMessage($model->getNumber());
+            if(!$this->mediaFilesystem->has('images'.DIRECTORY_SEPARATOR.$color.DIRECTORY_SEPARATOR.$model->getNumber().'.png')) {
+                try {
+                    $this->stlRendererService->render(
+                        $this->mediaFilesystem->getAdapter()->getPathPrefix().$model->getPath(),
+                        $this->mediaFilesystem->getAdapter()->getPathPrefix().'images'.DIRECTORY_SEPARATOR.$color.DIRECTORY_SEPARATOR
+                    );
+                } catch (\Exception $e) {
+                    dump($e->getMessage());
+                }
+            }
+            $this->progressBar->advance();
+        }
+    }
+}

src/AppBundle/Service/Loader/ModelLoader.php

@@ -12,15 +12,14 @@ use AppBundle\Exception\ConvertingFailedException;
 use AppBundle\Exception\FileException;
 use AppBundle\Exception\ParseErrorException;
 use AppBundle\Service\LDViewService;
-use AppBundle\Utils\LDModelParser;
+use AppBundle\Util\LDModelParser;
-use AppBundle\Utils\RelationMapper;
+use AppBundle\Util\RelationMapper;
 use League\Flysystem\Adapter\Local;
 use League\Flysystem\Exception;
 use League\Flysystem\Filesystem;
 use Symfony\Component\Finder\Finder;
 use Symfony\Component\Finder\SplFileInfo;
 
-//TODO refactor
 class ModelLoader extends BaseLoader
 {
     /**
@@ -80,7 +79,7 @@ class ModelLoader extends BaseLoader
         }
     }
 
-    public function loadOneModel($file)
+    public function loadOne($file)
     {
         $connection = $this->em->getConnection();
         try {
@@ -95,7 +94,7 @@ class ModelLoader extends BaseLoader
         }
     }
 
-    public function loadAllModels()
+    public function loadAll()
     {
         $files = $this->finder->in([
             $this->ldrawLibraryContext->getAdapter()->getPathPrefix(),
@@ -109,7 +108,7 @@ class ModelLoader extends BaseLoader
             $connection->beginTransaction();
 
             try {
-                $this->progressBar->setMessage($file->getFilename(), 'filename');
+                $this->progressBar->setMessage($file->getFilename());
 
                 $this->loadModel($file->getRealPath());
 
@@ -127,7 +126,8 @@ class ModelLoader extends BaseLoader
     }
 
     /**
-     * Load Model entity into database.
+     * Load model entity and all related submodels into database while generating stl file of model.
+     * Uses LDView to convert LDraw .dat to .stl
      *
      * @param $file
      *
@@ -144,7 +144,8 @@ class ModelLoader extends BaseLoader
 
         // Parse model file save data to $modelArray
         try {
-            $modelArray = $this->ldModelParser->parse($file);
+            $content = file_get_contents($file);
+            $modelArray = $this->ldModelParser->parse($content);
         } catch (ParseErrorException $e) {
             $this->logger->error($e->getMessage(), [$file]);
 
@@ -172,8 +173,8 @@ class ModelLoader extends BaseLoader
 
                 return $parentModel;
             }
-            // Load model
 
+            // Load model
             $model = $this->em->getRepository(Model::class)->getOrCreate($modelArray['id']);
 
             // Recursively load models of subparts
@@ -203,7 +204,7 @@ class ModelLoader extends BaseLoader
             try {
                 // update model only if newer version
                 if (!$model->getModified() || ($model->getModified() < $modelArray['modified'])) {
-                    $stl = $this->LDViewService->datToStl($file, $rewrite)->getPath();
+                    $stl = $this->LDViewService->datToStl($file, $this->rewite)->getPath();
                     $model->setPath($stl);
 
                     $model
@@ -271,13 +272,15 @@ class ModelLoader extends BaseLoader
             return $context->getAdapter()->getPathPrefix().$filename;
         }
         // Try to find model in current LDRAW\PARTS sub-directory
-        elseif ($this->ldrawLibraryContext->has('parts/'.$filename)) {
+        elseif($this->ldrawLibraryContext) {
+            if($this->ldrawLibraryContext->has('parts/'.$filename)) {
                 return $this->ldrawLibraryContext->getAdapter()->getPathPrefix().'parts'.DIRECTORY_SEPARATOR.$filename;
             }
             // Try to find model in current LDRAW\P sub-directory
             elseif ($this->ldrawLibraryContext->has('p'.DIRECTORY_SEPARATOR.$filename)) {
                 return $this->ldrawLibraryContext->getAdapter()->getPathPrefix().'p'.DIRECTORY_SEPARATOR.$filename;
             }
+        }
 
         return null;
     }
@@ -297,6 +300,7 @@ class ModelLoader extends BaseLoader
             return new Filesystem($adapter);
         } catch (Exception $exception) {
             $this->logger->error($exception->getMessage());
+            return null;
         }
     }
 
@@ -322,7 +326,6 @@ class ModelLoader extends BaseLoader
         // Do not include models without permission to redistribute
         elseif ($modelArray['license'] != 'Redistributable under CCAL version 2.0') {
             $this->logger->info('Model skipped.', ['number' => $modelArray['id'], 'license' => $modelArray['license']]);
-
             return false;
         }
 

src/AppBundle/Service/Loader/RebrickableLoader.php

@@ -21,7 +21,7 @@ class RebrickableLoader extends BaseLoader
         $this->rebrickable_url = $rebrickable_url;
     }
 
-    public function loadTables()
+    public function loadAll()
     {
         $connection = $this->em->getConnection();
         $connection->beginTransaction();
@@ -33,9 +33,8 @@ class RebrickableLoader extends BaseLoader
             $this->truncateTables();
             $connection->prepare('SET foreign_key_checks = 1;')->execute();
 
-            $this->output->writeln([
+            $this->writeOutput([
                 '<info>Truncated</info> <comment>rebrickable</comment> <info>database tables.</info>',
-                '------------------------------------------------------------------------------',
                 'Loading CSV files into database...',
             ]);
 
@@ -54,7 +53,7 @@ class RebrickableLoader extends BaseLoader
 
             $connection->commit();
 
-            $this->output->writeln('Rebrickable database loaded successfully!');
+            $this->writeOutput(['Rebrickable database loaded successfully!']);
         } catch (\Exception $e) {
             $connection->rollBack();
             throw $e;
@@ -65,19 +64,17 @@ class RebrickableLoader extends BaseLoader
     {
         $array = ['inventories', 'inventory_parts', 'inventory_sets', 'sets', 'themes', 'parts', 'part_categories', 'colors'];
 
-        $this->output->writeln([
+        $this->writeOutput([
-            'Loading Rebrickable CSV files',
+            '<fg=cyan>------------------------------------------------------------------------------</>',
-            '------------------------------------------------------------------------------',
+            '<fg=cyan>Loading Rebrickable CSV files</>',
+            '<fg=cyan>------------------------------------------------------------------------------</>',
         ]);
 
         foreach ($array as $item) {
             $this->csvFile[$item] = $this->downloadFile($this->rebrickable_url.$item.'.csv');
         }
 
-        $this->output->writeln([
+        $this->writeOutput(['<info>All CSV files loaded.</info>']);
-            '<info>Done</info>',
-            '------------------------------------------------------------------------------',
-        ]);
     }
 
     private function truncateTables()

src/AppBundle/Service/Loader/RelationLoader.php

@@ -30,26 +30,21 @@ class RelationLoader extends BaseLoader
     public function loadAll()
     {
         $parts = $this->em->getRepository(Part::class)->findAll();
-
+        $this->load($parts);
-        $this->initProgressBar(count($parts));
-        /** @var Part $part */
-        foreach ($parts as $part) {
-            $this->load($part);
-
-            $this->progressBar->advance();
-        }
-        $this->progressBar->finish();
     }
 
-    public function loadNotPaired()
+    public function loadNotPaired($parts)
     {
         $parts = $this->em->getRepository(Part::class)->findAllNotPaired();
+        $this->load($parts);
+    }
 
+    private function load($parts) {
         $this->initProgressBar(count($parts));
         /** @var Part $part */
         foreach ($parts as $part) {
-            $this->load($part);
+            $this->loadPartRelation($part);
-            $this->progressBar->setMessage($part->getNumber(), 'filename');
+            $this->progressBar->setMessage($part->getNumber());
             $this->progressBar->advance();
         }
         $this->progressBar->finish();
@@ -62,7 +57,7 @@ class RelationLoader extends BaseLoader
      *
      * @return Model $m
      */
-    private function load(Part $part)
+    private function loadPartRelation(Part $part)
     {
         $modelRepository = $this->em->getRepository(Model::class);
 

src/AppBundle/Service/StlRendererService.php

@@ -0,0 +1,204 @@
+<?php
+
+namespace AppBundle\Service;
+
+use AppBundle\Exception\ConvertingFailedException;
+use AppBundle\Exception\FileNotFoundException;
+use AppBundle\Exception\RenderFailedException;
+use Symfony\Component\Process\Exception\ProcessFailedException;
+use Symfony\Component\Process\Process;
+use Symfony\Component\Process\ProcessBuilder;
+
+class StlRendererService
+{
+    /**
+     * @var string Full path to povray binary
+     */
+    private $povray;
+
+    /**
+     * @var string Full path to tmp dir where to save .pov files during process of rendering stl
+     */
+    private $tmpDir;
+
+    /**
+     * @var string Full path to stl2pov binary
+     */
+    private $stl2pov;
+
+    /**
+     * @var string Full path to scene layout file
+     */
+    private $layout;
+
+    /**
+     * @var int Desired square image dimensions in pixels
+     */
+    private $size;
+
+    /**
+     * StlRendererService constructor.
+     * @param $layout
+     * @param $povray
+     * @param $stl2pov
+     */
+    public function __construct($layout, $povray, $stl2pov, $tmpDir = null)
+    {
+        $this->stl2pov = $stl2pov;
+        $this->povray = $povray;
+        $this->layout = $layout;
+        $this->size = 900;
+        if($tmpDir) {
+            $this->tmpDir = $tmpDir;
+        } else {
+            $this->tmpDir = sys_get_temp_dir();
+        }
+    }
+
+
+    /**
+     * @param $file
+     * @param $destinationDir
+     * @param bool $cleanup
+     * @return string
+     * @throws \Exception
+     */
+    public function render($file, $destinationDir, $cleanup = true) {
+        $povFile = $this->convertStlPov($file);
+
+        try {
+            $image = $this->renderPov($povFile, $destinationDir);
+            if($cleanup) {
+                unlink($povFile);
+            }
+            return $image;
+
+        } catch (\Exception $exception) {
+            unlink($povFile);
+            throw $exception;
+        }
+    }
+
+
+    /**
+     * Converts STL file to pov scene by calling stl2pov command line application
+     *
+     * Generated file is saved to tmp directory specifed in constructor of this class and path to file is returned
+     *
+     * stl2pov (version 3.3.0) - https://rsmith.home.xs4all.nl/software/py-stl-stl2pov.html
+     *
+     * @param string $file The full path to stl file
+     * @return string Return the full path to the generated pov scene
+     * @throws ConvertingFailedException throws exception if there are problems converting stl file to pov
+     * @throws FileNotFoundException throws exception if source file not found
+     */
+    private function convertStlPov($file) {
+        if(!file_exists($file)) {
+            throw new FileNotFoundException($file);
+        }
+        if(pathinfo($file, PATHINFO_EXTENSION) != 'stl') {
+            throw new ConvertingFailedException($file, 'POV', 'Wrong input filetype');
+        }
+
+        // Save the current working directory and change directory to tmp dir
+        // stl2pov outputs converted file to current directory and destination can not be changed
+        $cwd = getcwd();
+        chdir($this->tmpDir);
+
+        $filename = pathinfo($file)['filename'];
+
+        // Run stl2pov conversion
+        $processBuilder = new ProcessBuilder();
+        $process = $processBuilder->setPrefix($this->stl2pov)
+            ->setArguments([
+                $file
+            ])
+            ->getProcess();
+        $process->mustRun();
+
+        // Check if file created successfully
+        if (!file_exists($filename.'.inc')) {
+            throw new ConvertingFailedException($file, 'POV');
+        }
+
+        // Load contents of .inc file to variable
+        $incFile = file_get_contents($filename.'.inc',LOCK_EX);
+        // Replace mesh name in loaded inc file to match declaration in scene layout
+        $incFile = preg_replace('/# declare m_(.*) = mesh/','#declare m_MYSOLID = mesh',$incFile);
+
+        // Remove no longer needed inc file
+        unlink($filename.'.inc');
+        chdir($cwd);
+
+        // Get desired filepath of new pov file
+        $outputFile = $this->tmpDir.DIRECTORY_SEPARATOR.$filename.'.pov';
+
+        // Load contents of pov-ray layout file
+        $layout = file_get_contents($this->layout);
+
+        // Try to write contents of converted inc file and concat int with scene definitions
+        if (!file_put_contents($outputFile, $incFile, LOCK_EX)) {
+            throw new ConvertingFailedException($file, 'POV');
+        }
+        if(!file_put_contents($outputFile, $layout, FILE_APPEND | LOCK_EX)) {
+            throw new ConvertingFailedException($file, 'POV');
+        }
+        if (!file_exists($outputFile)) {
+            throw new ConvertingFailedException($file, 'POV');
+        }
+
+        return $outputFile;
+    }
+
+
+    /**
+     * Renders POV-Ray .pov file by calling povray command line application
+     *
+     * http://www.povray.org/
+     *
+     * @param string $file The full path to .pov file to be rendered
+     * @param $to
+     * @return string Full path to rendered image file
+     * @throws RenderFailedException throws exception if there are problems rendering image
+     * @throws FileNotFoundException throws exception if source file not found
+     */
+    private function renderPov($file, $to) {
+        if(!file_exists($file)) {
+            throw new FileNotFoundException($file);
+        }
+
+        $filename = pathinfo($file)['filename'];
+
+        $outputFile = "{$to}{$filename}.png";
+
+        $processBuilder = new ProcessBuilder();
+
+        //+I	- input file name
+        //+FN	- PNG file format
+        //+Wn	- Sets screen width to n pixels
+        //+Hn	- Sets screen height to n pixels
+        //+O	- output file
+        //+Qn	- Set quality value to n (0 <= n <= 11)
+        //+AMn	- use non-adaptive (n=1) or adaptive (n=2) supersampling
+        //+A0.n	- perform antialiasing (if color change is above n percent)
+        //-D	- Turns graphic display off
+        $process = $processBuilder->setPrefix($this->povray)
+            ->setArguments([
+                "+I\"{$file}\"",
+                "+FN",
+                "+W{$this->size}",
+                "+H{$this->size}",
+                "+O\"$outputFile\"",
+                "+Q8",
+                "+AM2",
+                "+A0.5",
+                "-D",
+            ])->getProcess();
+        $process->mustRun();
+
+        if(!file_exists($outputFile)) {
+            throw new RenderFailedException("{$to}{$filename}.png");
+        }
+        return $outputFile;
+    }
+}

src/AppBundle/Transformer/FormatTransformer.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace AppBundle\Transformer;
+
+
+class FormatTransformer
+{
+    function bytesToSize($bytes, $precision = 2)
+    {
+        if ($bytes == 0)
+            return "0.00 B";
+
+        $suffix = array('B', 'KB', 'MB', 'GB', 'TB', 'PB');
+        $exponent = floor(log($bytes, 1024));
+
+        return round($bytes/pow(1024, $exponent), $precision).' '.$suffix[(int)$exponent];
+    }
+}

src/AppBundle/Twig/AppExtension.php

@@ -3,20 +3,25 @@
 namespace AppBundle\Twig;
 
 use AppBundle\Api\Manager\RebrickableManager;
+use AppBundle\Transformer\FormatTransformer;
 
 class AppExtension extends \Twig_Extension
 {
     /** @var RebrickableManager */
     private $rebrickableAPIManager;
 
+    /** @var FormatTransformer */
+    private $formatTransformer;
+
     /**
      * AppExtension constructor.
      *
      * @param RebrickableManager $rebrickableAPIManager
      */
-    public function __construct($rebrickableAPIManager)
+    public function __construct($rebrickableAPIManager, $formatTransformer)
     {
         $this->rebrickableAPIManager = $rebrickableAPIManager;
+        $this->formatTransformer = $formatTransformer;
     }
 
     public function getFilters()
@@ -24,6 +29,7 @@ class AppExtension extends \Twig_Extension
         return [
             new \Twig_SimpleFilter('partImage', [$this, 'partImage']),
             new \Twig_SimpleFilter('setImage', [$this, 'setImage']),
+            new \Twig_SimpleFilter('bytesToSize', [$this, 'bytesToSize']),
         ];
     }
 
@@ -37,7 +43,7 @@ class AppExtension extends \Twig_Extension
 
     public function partImage($number, $color = null)
     {
-        return '/parts/ldraw/'.($color ? $color : '-1').'/'.$number.'.png';
+        return '/parts/ldraw/'.($color !== null ? $color : '-1').'/'.$number.'.png';
     }
 
     public function setImage($number)
@@ -45,6 +51,10 @@ class AppExtension extends \Twig_Extension
         return '/sets/'.strtolower($number).'.jpg';
     }
 
+    public function bytesToSize($bytes, $precision = 2) {
+        return $this->formatTransformer->bytesToSize($bytes, $precision);
+    }
+
     public function remoteSize($url)
     {
         $ch = curl_init($url);

src/AppBundle/Util/LDModelParser.php

@@ -0,0 +1,206 @@
+<?php
+
+namespace AppBundle\Util;
+
+use AppBundle\Exception\ErrorParsingLineException;
+
+class LDModelParser
+{
+    /**
+     * Parse LDraw  model .dat file content and return associative array in format:
+     * [
+     *  'id' => string
+     *  'name' => string
+     *  'category' => string
+     *  'keywords' => []
+     *  'author' => string
+     *  'modified' => DateTime
+     *  'type' => string
+     *  'subparts' => [],
+     *  'licence' => string
+     * ].
+     *
+     * LDraw.org Standards: Official Library Header Specification (http://www.ldraw.org/article/398.html)
+     *
+     * @throws ErrorParsingLineException
+     *
+     * @return array
+     */
+    public function parse($string)
+    {
+        $model = [
+            'id' => null,
+            'name' => null,
+            'category' => null,
+            'keywords' => [],
+            'author' => null,
+            'modified' => null,
+            'type' => null,
+            'subparts' => [],
+            'parent' => null,
+            'license' => null,
+        ];
+
+        $firstLine = false;
+        foreach(explode("\n", $string) as $line) {
+            $line = trim($line);
+
+            // Comments or META Commands
+            if (strpos($line, '0 ') === 0) {
+                $line = preg_replace('/^0 /', '', $line);
+
+                // 0 <CategoryName> <PartDescription>
+                if (!$firstLine) {
+                    $array = explode(' ', ltrim(trim($line, 2), '=_~'));
+                    $model['category'] = isset($array[0]) ? $array[0] : '';
+                    $model['name'] = preg_replace('/ {2,}/', ' ', ltrim($line, '=_'));
+
+                    $firstLine = true;
+                }
+                // 0 !CATEGORY <CategoryName>
+                elseif (strpos($line, '!CATEGORY ') === 0) {
+                    $model['category'] = trim(preg_replace('/^!CATEGORY /', '', $line));
+                }
+                // 0 !KEYWORDS <first keyword>, <second keyword>, ..., <last keyword>
+                elseif (strpos($line, '!KEYWORDS ') === 0) {
+                    $model['keywords'] = explode(', ', preg_replace('/^!KEYWORDS /', '', $line));
+                }
+                // 0 Name: <Filename>.dat
+                elseif (strpos($line, 'Name: ') === 0 && !isset($header['id'])) {
+                    $model['id'] = preg_replace('/(^Name: )(.*)(.dat)/', '$2', $line);
+                }
+                // 0 Author: <Realname> [<Username>]
+                elseif (strpos($line, 'Author: ') === 0) {
+                    $model['author'] = preg_replace('/^Author: /', '', $line);
+                }
+                // 0 !LDRAW_ORG Part|Subpart|Primitive|48_Primitive|Shortcut (optional qualifier(s)) ORIGINAL|UPDATE YYYY-RR
+                elseif (strpos($line, '!LDRAW_ORG ') === 0) {
+                    $type = preg_replace('/(^!LDRAW_ORG )(.*)( UPDATE| ORIGINAL)(.*)/', '$2', $line);
+
+                    $model['type'] = $type;
+
+                    // Last modification date in format YYYY-RR
+                    $date = preg_replace('/(^!LDRAW_ORG )(.*)( UPDATE | ORIGINAL )(.*)/', '$4', $line);
+                    if (preg_match('/^[1-2][0-9]{3}-[0-9]{2}$/', $date)) {
+                        $model['modified'] = \DateTime::createFromFormat('Y-m-d H:i:s', $date.'-01 00:00:00');
+                    }
+                }
+                // 0 !LICENSE Redistributable under CCAL version 2.0 : see CAreadme.txt | 0 !LICENSE Not redistributable : see NonCAreadme.txt
+                elseif (strpos($line, '!LICENSE ') === 0) {
+                    $model['license'] = preg_replace('/(^!LICENSE )(.*) : (.*)$/', '$2', $line);
+                }
+            } elseif (strpos($line, '1 ') === 0) {
+                $id = strtolower($this->getReferencedModelNumber($line));
+
+                if (isset($model['subparts'][$id])) {
+                    $model['subparts'][$id] = $model['subparts'][$id] + 1;
+                } else {
+                    $model['subparts'][$id] = 1;
+                }
+            } elseif (!empty($line) && !in_array($line[0], ['2', '3', '4', '5'])) {
+                throw new ErrorParsingLineException($model['id'],$line);
+            }
+        }
+
+        if ($this->isSticker($model['name'], $model['id'])) {
+            $model['type'] = 'Sticker';
+        } elseif (count($model['subparts']) == 1 && in_array($model['type'], ['Part Alias', 'Shortcut Physical_Colour', 'Shortcut Alias', 'Part Physical_Colour'])) {
+            $model['parent'] = array_keys($model['subparts'])[0];
+        } elseif (($parent = $this->getPrintedModelParentNumber($model['id'])) && !in_array($model['type'], ['48_Primitive', '8_Primitive', 'Primitive', 'Subpart'])) {
+            $model['type'] = 'Printed';
+            $model['parent'] = $parent;
+        } elseif ($parent = $this->getObsoleteModelParentNumber($model['name'])) {
+            $model['parent'] = $parent;
+        }
+
+        return $model;
+    }
+
+    /**
+     * Get file reference from part line.
+     *
+     * Line type 1 is a sub-file reference. The generic format is:
+     *  1 <colour> x y z a b c d e f g h i <file>
+     *
+     * LDraw.org Standards: File Format 1.0.2 (http://www.ldraw.org/article/218.html)
+     *
+     * @param $line
+     *
+     * @return string|null Filename of referenced part
+     */
+    public function getReferencedModelNumber($line)
+    {
+        $line = ($line);
+
+        if (preg_match('/^1(.*) (.*)\.dat$/', strtolower($line), $matches)) {
+            return str_replace('\\', DIRECTORY_SEPARATOR, $matches[2]);
+        }
+
+        return null;
+    }
+
+    /**
+     * Get printed part parent id.
+     *
+     *  part name in format:
+     *  nnnPxx, nnnnPxx, nnnnnPxx, nnnaPxx, nnnnaPxx (a = alpha, n= numeric, x = alphanumeric)
+     *
+     *  http://www.ldraw.org/library/tracker/ref/numberfaq/
+     *
+     * @param $id
+     *
+     * @return string|null LDraw number of printed part parent
+     */
+    public function getPrintedModelParentNumber($id)
+    {
+        if (preg_match('/(^.*)(p[0-9a-z]{2,3})$/', $id, $matches)) {
+            return $matches[1];
+        }
+
+        return null;
+    }
+
+    /**
+     * Check if part is shortcut part of stricker and part.
+     *
+     * part name in format:
+     *  nnnDnn, nnnnDnn, nnnnnDnn (a = alpha, n= numeric, x = alphanumeric)
+     *
+     *  http://www.ldraw.org/library/tracker/ref/numberfaq/
+     *
+     * @param $name
+     * @param $number
+     *
+     * @return bool
+     */
+    public function isSticker($name, $number)
+    {
+        if (strpos($name, 'Sticker') === 0) {
+            return true;
+        }
+
+        // Check if in format n*Daa == sticker
+        return preg_match('/(^.*)(d[0-9]{2})$/', $number);
+    }
+
+    /**
+     * Get parent of obsolete part kept for reference.
+     *
+     *  part description in format:
+     *  ~Moved to {new_number}
+     *
+     * http://www.ldraw.org/article/398.html  (Appendix II (02-Oct-06))
+     *
+     * @param $name
+     *
+     * @return string|null Filename of referenced part
+     */
+    public function getObsoleteModelParentNumber($name)
+    {
+        if (preg_match('/^(~Moved to )(.*)$/', $name, $matches)) {
+            return str_replace('\\', DIRECTORY_SEPARATOR, $matches[2]);
+        }
+
+        return null;
+    }
+}

src/AppBundle/Util/RelationMapper.php

@@ -1,6 +1,6 @@
 <?php
 
-namespace AppBundle\Utils;
+namespace AppBundle\Util;
 
 use Symfony\Component\Finder\Finder;
 use Symfony\Component\OptionsResolver\Exception\InvalidArgumentException;

src/AppBundle/Utils/LDModelParser.php

@@ -1,223 +0,0 @@
-<?php
-
-namespace AppBundle\Utils;
-
-use AppBundle\Exception\FileNotFoundException;
-use AppBundle\Exception\ParseErrorException;
-use League\Flysystem\File;
-
-class LDModelParser
-{
-    /**
-     * Parse LDraw  model .dat file and return associative array in format:
-     * [
-     *  'id' => string
-     *  'name' => string
-     *  'category' => string
-     *  'keywords' => []
-     *  'author' => string
-     *  'modified' => DateTime
-     *  'type' => string
-     *  'subparts' => [],
-     *  'licence' => string
-     * ].
-     *
-     * LDraw.org Standards: Official Library Header Specification (http://www.ldraw.org/article/398.html)
-     *
-     * @throws FileNotFoundException|ParseErrorException
-     *
-     * @return array
-     */
-    public function parse($file)
-    {
-        if (file_exists($file)) {
-            $model = [
-                'id' => null,
-                'name' => null,
-                'category' => null,
-                'keywords' => [],
-                'author' => null,
-                'modified' => null,
-                'type' => null,
-                'subparts' => [],
-                'parent' => null,
-                'license' => null,
-            ];
-
-            try {
-                $handle = fopen($file, 'r');
-
-                if ($handle) {
-                    $firstLine = false;
-
-                    while (($line = fgets($handle)) !== false) {
-                        $line = trim($line);
-
-                        // Comments or META Commands
-                        if (strpos($line, '0 ') === 0) {
-                            $line = preg_replace('/^0 /', '', $line);
-
-                            // 0 <CategoryName> <PartDescription>
-                            if (!$firstLine) {
-                                $array = explode(' ', ltrim(trim($line, 2), '=_~'));
-                                $model['category'] = isset($array[0]) ? $array[0] : '';
-                                $model['name'] = preg_replace('/ {2,}/', ' ', ltrim($line, '=_'));
-
-                                $firstLine = true;
-                            }
-                            // 0 !CATEGORY <CategoryName>
-                            elseif (strpos($line, '!CATEGORY ') === 0) {
-                                $model['category'] = trim(preg_replace('/^!CATEGORY /', '', $line));
-                            }
-                            // 0 !KEYWORDS <first keyword>, <second keyword>, ..., <last keyword>
-                            elseif (strpos($line, '!KEYWORDS ') === 0) {
-                                $model['keywords'] = explode(', ', preg_replace('/^!KEYWORDS /', '', $line));
-                            }
-                            // 0 Name: <Filename>.dat
-                            elseif (strpos($line, 'Name: ') === 0 && !isset($header['id'])) {
-                                $model['id'] = preg_replace('/(^Name: )(.*)(.dat)/', '$2', $line);
-                            }
-                            // 0 Author: <Realname> [<Username>]
-                            elseif (strpos($line, 'Author: ') === 0) {
-                                $model['author'] = preg_replace('/^Author: /', '', $line);
-                            }
-                            // 0 !LDRAW_ORG Part|Subpart|Primitive|48_Primitive|Shortcut (optional qualifier(s)) ORIGINAL|UPDATE YYYY-RR
-                            elseif (strpos($line, '!LDRAW_ORG ') === 0) {
-                                $type = preg_replace('/(^!LDRAW_ORG )(.*)( UPDATE| ORIGINAL)(.*)/', '$2', $line);
-
-                                $model['type'] = $type;
-
-                                // Last modification date in format YYYY-RR
-                                $date = preg_replace('/(^!LDRAW_ORG )(.*)( UPDATE | ORIGINAL )(.*)/', '$4', $line);
-                                if (preg_match('/^[1-2][0-9]{3}-[0-9]{2}$/', $date)) {
-                                    $model['modified'] = \DateTime::createFromFormat('Y-m-d H:i:s', $date.'-01 00:00:00');
-                                }
-                            }
-                            // 0 !LICENSE Redistributable under CCAL version 2.0 : see CAreadme.txt | 0 !LICENSE Not redistributable : see NonCAreadme.txt
-                            elseif (strpos($line, '!LICENSE ') === 0) {
-                                $model['license'] = preg_replace('/(^!LICENSE )(.*) : (.*)$/', '$2', $line);
-                            }
-                        } elseif (strpos($line, '1 ') === 0) {
-                            $id = strtolower($this->getReferencedModelNumber($line));
-
-                            if (isset($model['subparts'][$id])) {
-                                $model['subparts'][$id] = $model['subparts'][$id] + 1;
-                            } else {
-                                $model['subparts'][$id] = 1;
-                            }
-                        } elseif (!empty($line) && !in_array($line[0], ['2', '3', '4', '5'])) {
-                            throw new ErrorParsingLineException($file,$line);
-                        }
-                    }
-
-                    if ($this->isSticker($model['name'], $model['id'])) {
-                        $model['type'] = 'Sticker';
-                    } elseif (count($model['subparts']) == 1 && in_array($model['type'], ['Part Alias', 'Shortcut Physical_Colour', 'Shortcut Alias', 'Part Physical_Colour'])) {
-                        $model['parent'] = array_keys($model['subparts'])[0];
-                    } elseif (($parent = $this->getPrintedModelParentNumber($model['id'])) && !in_array($model['type'], ['48_Primitive', '8_Primitive', 'Primitive', 'Subpart'])) {
-                        $model['type'] = 'Printed';
-                        $model['parent'] = $parent;
-                    } elseif ($parent = $this->getObsoleteModelParentNumber($model['name'])) {
-                        $model['type'] = 'Alias';
-                        $model['parent'] = $parent;
-                    }
-
-                    fclose($handle);
-
-                    return $model;
-                }
-            } catch (\Exception $exception) {
-                throw new ParseErrorException($file);
-            }
-        }
-        throw new FileNotFoundException($file);
-    }
-
-    /**
-     * Get file reference from part line.
-     *
-     * Line type 1 is a sub-file reference. The generic format is:
-     *  1 <colour> x y z a b c d e f g h i <file>
-     *
-     * LDraw.org Standards: File Format 1.0.2 (http://www.ldraw.org/article/218.html)
-     *
-     * @param $line
-     *
-     * @return string|null Filename of referenced part
-     */
-    public function getReferencedModelNumber($line)
-    {
-        $line = ($line);
-
-        if (preg_match('/^1(.*) (.*)\.dat$/', strtolower($line), $matches)) {
-            return str_replace('\\', DIRECTORY_SEPARATOR, $matches[2]);
-        }
-
-        return null;
-    }
-
-    /**
-     * Get printed part parent id.
-     *
-     *  part name in format:
-     *  nnnPxx, nnnnPxx, nnnnnPxx, nnnaPxx, nnnnaPxx (a = alpha, n= numeric, x = alphanumeric)
-     *
-     *  http://www.ldraw.org/library/tracker/ref/numberfaq/
-     *
-     * @param $id
-     *
-     * @return string|null LDraw number of printed part parent
-     */
-    public function getPrintedModelParentNumber($id)
-    {
-        if (preg_match('/(^.*)(p[0-9a-z]{2,3})$/', $id, $matches)) {
-            return $matches[1];
-        }
-
-        return null;
-    }
-
-    /**
-     * Check if part is shortcut part of stricker and part.
-     *
-     * part name in format:
-     *  nnnDnn, nnnnDnn, nnnnnDnn (a = alpha, n= numeric, x = alphanumeric)
-     *
-     *  http://www.ldraw.org/library/tracker/ref/numberfaq/
-     *
-     * @param $name
-     * @param $number
-     *
-     * @return bool
-     */
-    public function isSticker($name, $number)
-    {
-        if (strpos($name, 'Sticker') === 0) {
-            return true;
-        }
-
-        // Check if in format n*Daa == sticker
-        return preg_match('/(^.*)(d[0-9]{2})$/', $number);
-    }
-
-    /**
-     * Get parent of obsolete part kept for reference.
-     *
-     *  part description in format:
-     *  ~Moved to {new_number}
-     *
-     * http://www.ldraw.org/article/398.html  (Appendix II (02-Oct-06))
-     *
-     * @param $name
-     *
-     * @return string|null Filename of referenced part
-     */
-    public function getObsoleteModelParentNumber($name)
-    {
-        if (preg_match('/^(~Moved to )(.*)$/', $name, $matches)) {
-            return str_replace('\\', DIRECTORY_SEPARATOR, $matches[2]);
-        }
-
-        return null;
-    }
-}