From a2a87fc8dc251b8d12288ae32be9a211d2b9d0e4 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20H=C3=BCbner?= <hubnedav@fit.cvut.cz>
Date: Fri, 10 Mar 2017 23:18:37 +0100
Subject: [PATCH 1/5] Add LDViewService

Add service for converting LDRaw model files to stl format
---
 app/config/parameters.yml.dist          |  5 +-
 app/config/services.yml                 |  4 ++
 src/AppBundle/Service/LDViewService.php | 68 +++++++++++++++++++++++++
 3 files changed, 76 insertions(+), 1 deletion(-)
 create mode 100644 src/AppBundle/Service/LDViewService.php

diff --git a/app/config/parameters.yml.dist b/app/config/parameters.yml.dist
index 072868a..be71996 100644
--- a/app/config/parameters.yml.dist
+++ b/app/config/parameters.yml.dist
@@ -22,4 +22,7 @@ parameters:
     brickset_apikey:   ~
 
     # Rebrickable API key obtainable at http://rebrickable.com/api/
-    rebrickable_apikey:   ~
\ No newline at end of file
+    rebrickable_apikey:   ~
+
+    # Absolute path to OSMesa port of LDView
+    ldview_bin: /usr/bin/ldview
\ No newline at end of file
diff --git a/app/config/services.yml b/app/config/services.yml
index 5814f07..244a52a 100644
--- a/app/config/services.yml
+++ b/app/config/services.yml
@@ -17,6 +17,10 @@ services:
         class: AppBundle\Service\CollectionService
         arguments: ['@doctrine.orm.entity_manager', '@manager.brickset','@manager.rebrickable']
 
+    service.ldview:
+        class: AppBundle\Service\LDViewService
+        arguments: ['%ldview_bin%', '@oneup_flysystem.ldraw_filesystem']
+
     loader.rebrickable:
         class: AppBundle\Command\Loader\RebrickableLoader
         arguments: ['@doctrine.orm.entity_manager', '@manager.rebrickable', '%rebrickable_url%' ]
diff --git a/src/AppBundle/Service/LDViewService.php b/src/AppBundle/Service/LDViewService.php
new file mode 100644
index 0000000..719eddd
--- /dev/null
+++ b/src/AppBundle/Service/LDViewService.php
@@ -0,0 +1,68 @@
+<?php
+
+namespace AppBundle\Service;
+
+use League\Flysystem\File;
+use League\Flysystem\Filesystem;
+use Symfony\Component\Asset\Exception\LogicException;
+use Symfony\Component\Process\ProcessBuilder;
+
+class LDViewService
+{
+    /**
+     * @var string LDView binary file path
+     */
+    private $ldview;
+
+    /**
+     * @var \League\Flysystem\Filesystem
+     */
+    private $stlStorage;
+
+    /**
+     * LDViewService constructor.
+     *
+     * @param string     $ldview Path to LDView OSMesa binary file
+     * @param Filesystem $stlStorage Filesystem for generated stl model files
+     */
+    public function __construct($ldview, $stlStorage)
+    {
+        $this->ldview = $ldview;
+        $this->stlStorage = $stlStorage;
+    }
+
+    /**
+     * Convert LDraw model from .dat format to .stl by using LDView
+     * stores created file to $stlStorage filesystem
+     *
+     * @param Filesystem $LDrawDir
+     *
+     * @return File
+     */
+    public function datToStl($file, $LDrawDir)
+    {
+        $stlFilename = $file['filename'].'.stl';
+
+        if (!$this->stlStorage->has($stlFilename)) {
+            $builder = new ProcessBuilder();
+            $process = $builder
+                ->setPrefix($this->ldview)
+                ->setArguments([
+                    $LDrawDir->getAdapter()->getPathPrefix().$file['path'],
+                    '-LDrawDir='.$LDrawDir->getAdapter()->getPathPrefix(),
+                    '-ExportFile='.$this->stlStorage->getAdapter()->getPathPrefix().$stlFilename,
+                ])
+                ->getProcess();
+
+            $process->run();
+
+            if (!$this->stlStorage->has($stlFilename)) {
+                throw new LogicException($file['basename'].': new file not found'); //TODO
+            } elseif (!$process->isSuccessful()) {
+                throw new LogicException($file['basename'].' : '.$process->getOutput()); //TODO
+            }
+        }
+
+        return $this->stlStorage->get($stlFilename);
+    }
+}

From bbf1a10fc10118a437484a23469cc394cb2a43f9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20H=C3=BCbner?= <hubnedav@fit.cvut.cz>
Date: Fri, 10 Mar 2017 23:19:53 +0100
Subject: [PATCH 2/5] Update LDraw entities

---
 src/AppBundle/Entity/LDraw/Category.php | 115 +++++++++++
 src/AppBundle/Entity/LDraw/Keyword.php  | 114 +++++++++++
 src/AppBundle/Entity/LDraw/Model.php    | 134 +++++++++++++
 src/AppBundle/Entity/LDraw/Part.php     | 254 ++++++++++++++++++++++++
 src/AppBundle/Entity/LDraw/Type.php     | 105 ++++++++++
 src/AppBundle/Entity/Model.php          | 222 ---------------------
 6 files changed, 722 insertions(+), 222 deletions(-)
 create mode 100644 src/AppBundle/Entity/LDraw/Category.php
 create mode 100644 src/AppBundle/Entity/LDraw/Keyword.php
 create mode 100644 src/AppBundle/Entity/LDraw/Model.php
 create mode 100644 src/AppBundle/Entity/LDraw/Part.php
 create mode 100644 src/AppBundle/Entity/LDraw/Type.php
 delete mode 100644 src/AppBundle/Entity/Model.php

diff --git a/src/AppBundle/Entity/LDraw/Category.php b/src/AppBundle/Entity/LDraw/Category.php
new file mode 100644
index 0000000..905488b
--- /dev/null
+++ b/src/AppBundle/Entity/LDraw/Category.php
@@ -0,0 +1,115 @@
+<?php
+
+namespace AppBundle\Entity\LDraw;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Category.
+ *
+ * @ORM\Table(name="ldraw_category")
+ * @ORM\Entity
+ */
+class Category
+{
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="id", type="integer")
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="AUTO")
+     */
+    private $id;
+
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="name", type="string", length=255, unique=true)
+     */
+    private $name;
+
+    /**
+     * @var Collection
+     *
+     * @ORM\OneToMany(targetEntity="AppBundle\Entity\LDraw\Part", mappedBy="category")
+     */
+    private $parts;
+
+    /**
+     * BuildingKit constructor.
+     */
+    public function __construct()
+    {
+        $this->parts = new ArrayCollection();
+    }
+
+    /**
+     * Get id.
+     *
+     * @return int
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Set name.
+     *
+     * @param string $name
+     *
+     * @return Category
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+
+    /**
+     * Get name.
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * Get parts.
+     *
+     * @return ArrayCollection
+     */
+    public function getParts()
+    {
+        return $this->parts;
+    }
+
+    /**
+     * @param Part $part
+     *
+     * @return Category
+     */
+    public function addPart(Part $part)
+    {
+        $this->parts->add($part);
+
+        return $this;
+    }
+
+    /**
+     * @param Part $part
+     *
+     * @return Category
+     */
+    public function removePart(Part $part)
+    {
+        $this->parts->remove($part);
+
+        return $this;
+    }
+}
diff --git a/src/AppBundle/Entity/LDraw/Keyword.php b/src/AppBundle/Entity/LDraw/Keyword.php
new file mode 100644
index 0000000..19f7012
--- /dev/null
+++ b/src/AppBundle/Entity/LDraw/Keyword.php
@@ -0,0 +1,114 @@
+<?php
+
+namespace AppBundle\Entity\LDraw;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Keyword.
+ *
+ * @ORM\Table(name="ldraw_keyword")
+ * @ORM\Entity
+ */
+class Keyword
+{
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="id", type="integer")
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="AUTO")
+     */
+    private $id;
+
+    /**
+     * @var string
+     *
+     * @ORM\Column(name="name", type="string", length=255, unique=true)
+     */
+    private $name;
+
+    /**
+     * @var ArrayCollection
+     *
+     * @ORM\ManyToMany(targetEntity="AppBundle\Entity\LDraw\Part", mappedBy="keywords")
+     */
+    private $parts;
+
+    /**
+     * Keyword constructor.
+     */
+    public function __construct()
+    {
+        $this->parts = new ArrayCollection();
+    }
+
+    /**
+     * Get id.
+     *
+     * @return int
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * Set name.
+     *
+     * @param string $name
+     *
+     * @return Keyword
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+
+        return $this;
+    }
+
+    /**
+     * Get name.
+     *
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * Get models.
+     *
+     * @return ArrayCollection
+     */
+    public function getParts()
+    {
+        return $this->parts;
+    }
+
+    /**
+     * @param Part $part
+     *
+     * @return Keyword
+     */
+    public function addPart(Part $part)
+    {
+        $this->parts->add($part);
+
+        return $this;
+    }
+
+    /**
+     * @param Part $part
+     *
+     * @return Keyword
+     */
+    public function removeModel(Part $part)
+    {
+        $this->parts->removeElement($part);
+
+        return $this;
+    }
+}
diff --git a/src/AppBundle/Entity/LDraw/Model.php b/src/AppBundle/Entity/LDraw/Model.php
new file mode 100644
index 0000000..6ec4064
--- /dev/null
+++ b/src/AppBundle/Entity/LDraw/Model.php
@@ -0,0 +1,134 @@
+<?php
+
+namespace AppBundle\Entity\LDraw;
+
+use Doctrine\Common\Collections\Collection;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Model.
+ *
+ * @ORM\Table(name="ldraw_model")
+ * @ORM\Entity
+ */
+class Model
+{
+    /**
+     * @var string
+     *
+     * @ORM\Column(type="string")
+     * @ORM\Id
+     * @ORM\Column(type="string", length=255, unique=true)
+     */
+    private $id;
+
+    /**
+     * @var string
+     *
+     * @ORM\Column(type="string", length=255, nullable=false)
+     */
+    private $file;
+
+    /**
+     * @var string
+     *
+     * @ORM\Column(type="string", length=255, nullable=true)
+     */
+    private $author;
+
+    /**
+     * @var \DateTime
+     *
+     * @ORM\Column(type="datetime", nullable=true)
+     */
+    private $modified;
+
+//    /**
+//     * @var Collection
+//     *
+//     * @ORM\OneToMany(targetEntity="AppBundle\Entity\Part", mappedBy="model")
+//     */
+//    private $parts;
+
+    /**
+     * @param string $id
+     */
+    public function setId($id)
+    {
+        $this->id = $id;
+    }
+
+    /**
+     * Get id.
+     *
+     * @return string
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * @return string
+     */
+    public function getFile()
+    {
+        return $this->file;
+    }
+
+    /**
+     * @param string $file
+     *
+     * @return Model
+     */
+    public function setFile($file)
+    {
+        $this->file = $file;
+
+        return $this;
+    }
+
+    /**
+     * Set author.
+     *
+     * @param string $author
+     *
+     * @return Model
+     */
+    public function setAuthor($author)
+    {
+        $this->author = $author;
+
+        return $this;
+    }
+
+    /**
+     * Get author.
+     *
+     * @return string
+     */
+    public function getAuthor()
+    {
+        return $this->author;
+    }
+
+    /**
+     * @return \DateTime
+     */
+    public function getModified()
+    {
+        return $this->modified;
+    }
+
+    /**
+     * @param \DateTime $modified
+     *
+     * @return Model
+     */
+    public function setModified($modified)
+    {
+        $this->modified = $modified;
+
+        return $this;
+    }
+}
diff --git a/src/AppBundle/Entity/LDraw/Part.php b/src/AppBundle/Entity/LDraw/Part.php
new file mode 100644
index 0000000..d1a8bf6
--- /dev/null
+++ b/src/AppBundle/Entity/LDraw/Part.php
@@ -0,0 +1,254 @@
+<?php
+
+namespace AppBundle\Entity\LDraw;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Part.
+ *
+ * @ORM\Entity
+ * @ORM\Table(name="ldraw_part")
+ */
+class Part
+{
+    /**
+     * @var string
+     * @ORM\Id
+     * @ORM\Column(type="string", length=255, unique=true)
+     */
+    private $id;
+
+    /**
+     * @var Type
+     *
+     * @ORM\ManyToOne(targetEntity="AppBundle\Entity\LDraw\Type", inversedBy="parts", cascade={"persist"})
+     */
+    private $type;
+
+    /**
+     * @var string
+     *
+     * @ORM\Column(type="string", length=255, nullable=true)
+     */
+    private $name;
+
+    /**
+     * @var Category
+     *
+     * @ORM\ManyToOne(targetEntity="AppBundle\Entity\LDraw\Category", inversedBy="parts", cascade={"persist"})
+     */
+    private $category;
+
+    /**
+     * @var Part
+     *
+     * @ORM\ManyToOne(targetEntity="AppBundle\Entity\LDraw\Part",cascade={"persist"})
+     */
+    private $printOf;
+
+    /**
+     * @var Part
+     *
+     * @ORM\ManyToOne(targetEntity="AppBundle\Entity\LDraw\Part",cascade={"persist"})
+     */
+    private $aliasOf;
+
+    /**
+     * @var Model
+     *
+     * @ORM\ManyToOne(targetEntity="AppBundle\Entity\LDraw\Model", cascade={"persist"})
+     */
+    private $model;
+
+    /**
+     * @var Collection
+     *
+     * @ORM\ManyToMany(targetEntity="AppBundle\Entity\LDraw\Keyword", inversedBy="parts", cascade={"persist"})
+     */
+    private $keywords;
+
+    public function __construct()
+    {
+        $this->keywords = new ArrayCollection();
+    }
+
+    /**
+     * @return string
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * @param string $id
+     *
+     * @return Part
+     */
+    public function setId($id)
+    {
+        $this->id = $id;
+
+        return $this;
+    }
+
+    /**
+     * @return string
+     */
+    public function getType()
+    {
+        return $this->type;
+    }
+
+    /**
+     * @param string $type
+     */
+    public function setType($type)
+    {
+        $this->type = $type;
+    }
+
+    /**
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * @param string $name
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+    }
+
+    /**
+     * @return Category
+     */
+    public function getCategory()
+    {
+        return $this->category;
+    }
+
+    /**
+     * @param Collection $category
+     *
+     * @return Part
+     */
+    public function setCategory(Category $category)
+    {
+        $this->category = $category;
+
+        return $this;
+    }
+
+    /**
+     * @return Part
+     */
+    public function getPrintOf()
+    {
+        return $this->printOf;
+    }
+
+    /**
+     * @param Part $printOf
+     *
+     * @return Part
+     */
+    public function setPrintOf($printOf)
+    {
+        $this->printOf = $printOf;
+
+        return $this;
+    }
+
+    /**
+     * @return Part
+     */
+    public function getAliasOf()
+    {
+        return $this->aliasOf;
+    }
+
+    /**
+     * @param Part $printOf
+     *
+     * @return Part
+     */
+    public function setAliasOf($aliasOf)
+    {
+        $this->aliasOf = $aliasOf;
+
+        return $this;
+    }
+
+    /**
+     * @return Model
+     */
+    public function getModel()
+    {
+        if (!$this->model) {
+            if ($this->printOf) {
+                return $this->printOf->getModel();
+            } elseif ($this->aliasOf) {
+                return $this->aliasOf->getModel();
+            }
+        }
+
+        return $this->model;
+    }
+
+    /**
+     * @param Model $model
+     *
+     * @return Part
+     */
+    public function setModel($model)
+    {
+        $this->model = $model;
+
+        return $this;
+    }
+
+    /**
+     * Get keywords.
+     *
+     * @return Collection
+     */
+    public function getKeywords()
+    {
+        return $this->keywords;
+    }
+
+    /**
+     * @param Keyword $keyword
+     *
+     * @return Part
+     */
+    public function addKeyword(Keyword $keyword)
+    {
+        if (!$this->keywords->contains($keyword)) {
+            $this->keywords->add($keyword);
+            $keyword->addPart($this);
+        }
+
+        return $this;
+    }
+
+    /**
+     * @param Keyword $keyword
+     *
+     * @return Part
+     */
+    public function removePart(Keyword $keyword)
+    {
+        $this->keywords->removeElement($keyword);
+
+        return $this;
+    }
+}
diff --git a/src/AppBundle/Entity/LDraw/Type.php b/src/AppBundle/Entity/LDraw/Type.php
new file mode 100644
index 0000000..9fede63
--- /dev/null
+++ b/src/AppBundle/Entity/LDraw/Type.php
@@ -0,0 +1,105 @@
+<?php
+
+namespace AppBundle\Entity\LDraw;
+
+use Doctrine\Common\Collections\ArrayCollection;
+use Doctrine\Common\Collections\Collection;
+use Doctrine\ORM\Mapping as ORM;
+
+/**
+ * Type.
+ *
+ * @ORM\Table(name="ldraw_type")
+ * @ORM\Entity
+ */
+class Type
+{
+    /**
+     * @var int
+     *
+     * @ORM\Column(name="id", type="integer")
+     * @ORM\Id
+     * @ORM\GeneratedValue(strategy="AUTO")
+     */
+    private $id;
+
+    /**
+     * @var string
+     *
+     * @ORM\Column(type="string", length=60, unique=true)
+     */
+    private $name;
+
+    /**
+     * @var Collection
+     *
+     * @ORM\OneToMany(targetEntity="Part", mappedBy="type")
+     */
+    private $parts;
+
+    /**
+     * BuildingKit constructor.
+     */
+    public function __construct()
+    {
+        $this->parts = new ArrayCollection();
+    }
+
+    /**
+     * @return int
+     */
+    public function getId()
+    {
+        return $this->id;
+    }
+
+    /**
+     * @return string
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    /**
+     * @param string $name
+     */
+    public function setName($name)
+    {
+        $this->name = $name;
+    }
+
+    /**
+     * Get parts.
+     *
+     * @return ArrayCollection
+     */
+    public function getParts()
+    {
+        return $this->parts;
+    }
+
+    /**
+     * @param Part $part
+     *
+     * @return Type
+     */
+    public function addPart(Part $part)
+    {
+        $this->parts->add($part);
+
+        return $this;
+    }
+
+    /**
+     * @param Part $part
+     *
+     * @return Type
+     */
+    public function removePart(Part $part)
+    {
+        $this->parts->remove($part);
+
+        return $this;
+    }
+}
diff --git a/src/AppBundle/Entity/Model.php b/src/AppBundle/Entity/Model.php
deleted file mode 100644
index b88c5d6..0000000
--- a/src/AppBundle/Entity/Model.php
+++ /dev/null
@@ -1,222 +0,0 @@
-<?php
-
-namespace AppBundle\Entity;
-
-use Doctrine\Common\Collections\Collection;
-use Doctrine\ORM\Mapping as ORM;
-
-/**
- * Model.
- *
- * @ORM\Table(name="model")
- * @ORM\Entity(repositoryClass="AppBundle\Repository\ModelRepository")
- */
-class Model
-{
-    /**
-     * @var int
-     *
-     * @ORM\Column(name="id", type="integer")
-     * @ORM\Id
-     * @ORM\GeneratedValue(strategy="AUTO")
-     */
-    private $id;
-
-    /**
-     * @var string
-     *
-     * @ORM\Column(name="name", type="string", length=255, nullable=true)
-     */
-    private $name;
-    /**
-     * @var string
-     *
-     * @ORM\Column(name="number", type="string", length=255, unique=true)
-     */
-    private $number;
-
-    /**
-     * @var string
-     *
-     * @ORM\Column(name="author", type="string", length=255, nullable=true)
-     */
-    private $author;
-
-    /**
-     * @var string
-     *
-     * @ORM\Column(name="file", type="string", length=255, unique=true, nullable=true)
-     */
-    private $file;
-
-    /**
-     * @var Collection
-     *
-     * @ORM\OneToMany(targetEntity="AppBundle\Entity\Part", mappedBy="model")
-     */
-    private $parts;
-
-    /**
-     * @var Category
-     *
-     * @ORM\ManyToOne(targetEntity="AppBundle\Entity\Category", inversedBy="models", cascade={"persist"})
-     */
-    private $category;
-
-    /**
-     * Get id.
-     *
-     * @return int
-     */
-    public function getId()
-    {
-        return $this->id;
-    }
-
-    /**
-     * @return string
-     */
-    public function getName()
-    {
-        return $this->name;
-    }
-
-    /**
-     * @param string $name
-     */
-    public function setName($name)
-    {
-        $this->name = $name;
-    }
-
-    /**
-     * Set number.
-     *
-     * @param string $number
-     *
-     * @return Model
-     */
-    public function setNumber($number)
-    {
-        $this->number = $number;
-
-        return $this;
-    }
-
-    /**
-     * Get number.
-     *
-     * @return string
-     */
-    public function getNumber()
-    {
-        return $this->number;
-    }
-
-    /**
-     * Set author.
-     *
-     * @param string $author
-     *
-     * @return Model
-     */
-    public function setAuthor($author)
-    {
-        $this->author = $author;
-
-        return $this;
-    }
-
-    /**
-     * Get author.
-     *
-     * @return string
-     */
-    public function getAuthor()
-    {
-        return $this->author;
-    }
-
-    /**
-     * Set file.
-     *
-     * @param string $file
-     *
-     * @return Model
-     */
-    public function setFile($file)
-    {
-        $this->file = $file;
-
-        return $this;
-    }
-
-    /**
-     * Get file.
-     *
-     * @return string
-     */
-    public function getFile()
-    {
-        return $this->file;
-    }
-
-    /**
-     * Get parts.
-     *
-     * @return Collection
-     */
-    public function getParts()
-    {
-        return $this->parts;
-    }
-
-    /**
-     * @param Part $part
-     *
-     * @return Model
-     */
-    public function addPart(Part $part)
-    {
-        $this->parts->add($part);
-
-        return $this;
-    }
-
-    /**
-     * @param Part $part
-     *
-     * @return Model
-     */
-    public function removePart(Part $part)
-    {
-        $this->parts->remove($part);
-
-        return $this;
-    }
-
-    /**
-     * Set category.
-     *
-     * @param Category $category
-     *
-     * @return Model
-     */
-    public function setCategory(Category $category)
-    {
-        $category->addModel($this);
-        $this->category = $category;
-
-        return $this;
-    }
-
-    /**
-     * Get category.
-     *
-     * @return Category
-     */
-    public function getCategory()
-    {
-        return $this->category;
-    }
-}

From d551040739ad331cc7eb394f05e4ac7bbc5f5ca8 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20H=C3=BCbner?= <hubnedav@fit.cvut.cz>
Date: Fri, 10 Mar 2017 23:25:14 +0100
Subject: [PATCH 3/5] Refactor LDrawLoader

---
 app/config/services.yml                       |  13 +-
 .../Command/LoadLDRawLibraryCommand.php       |  38 +++
 src/AppBundle/Command/Loader/LDrawLoader.php  | 187 -----------
 .../Controller/DownloadController.php         |   2 +-
 src/AppBundle/Loader/LDrawLoader.php          | 303 ++++++++++++++++++
 src/AppBundle/{Command => }/Loader/Loader.php |  16 +-
 6 files changed, 365 insertions(+), 194 deletions(-)
 create mode 100644 src/AppBundle/Command/LoadLDRawLibraryCommand.php
 delete mode 100644 src/AppBundle/Command/Loader/LDrawLoader.php
 create mode 100644 src/AppBundle/Loader/LDrawLoader.php
 rename src/AppBundle/{Command => }/Loader/Loader.php (84%)

diff --git a/app/config/services.yml b/app/config/services.yml
index 244a52a..8c776ea 100644
--- a/app/config/services.yml
+++ b/app/config/services.yml
@@ -17,6 +17,11 @@ services:
         class: AppBundle\Service\CollectionService
         arguments: ['@doctrine.orm.entity_manager', '@manager.brickset','@manager.rebrickable']
 
+    service.loader:
+        abstract:  true
+        class: AppBundle\Loader\Loader
+        arguments: ['@doctrine.orm.entity_manager']
+
     service.ldview:
         class: AppBundle\Service\LDViewService
         arguments: ['%ldview_bin%', '@oneup_flysystem.ldraw_filesystem']
@@ -25,9 +30,11 @@ services:
         class: AppBundle\Command\Loader\RebrickableLoader
         arguments: ['@doctrine.orm.entity_manager', '@manager.rebrickable', '%rebrickable_url%' ]
     loader.ldraw:
-        class: AppBundle\Command\Loader\LDrawLoader
-        arguments: ['@doctrine.orm.entity_manager', '%kernel.root_dir%/../bin/ldview', '@oneup_flysystem.ldraw_filesystem', '%ldraw_url%']
-  
+        class: AppBundle\Loader\LDrawLoader
+        calls:
+          - [setArguments, ['@service.ldview', '%ldraw_url%']]
+        parent: service.loader
+
     app.form.filter_set:
         class: AppBundle\Form\FilterSetType
         arguments: ['@manager.brickset']
diff --git a/src/AppBundle/Command/LoadLDRawLibraryCommand.php b/src/AppBundle/Command/LoadLDRawLibraryCommand.php
new file mode 100644
index 0000000..4a4fd93
--- /dev/null
+++ b/src/AppBundle/Command/LoadLDRawLibraryCommand.php
@@ -0,0 +1,38 @@
+<?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;
+
+class LoadLDRawLibraryCommand extends ContainerAwareCommand
+{
+    protected function configure()
+    {
+        $this
+            ->setName('app:load:ldraw')
+            ->setDescription('Loads LDraw library parts')
+            ->setHelp('This command allows you to..')
+            ->addArgument('ldraw_path', InputArgument::OPTIONAL, 'Path to LDraw library folder');
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $ldrawLoader = $this->getContainer()->get('loader.ldraw');
+        $ldrawLoader->setOutput($output);
+
+        //TODO log errors
+
+        try {
+            if (($ldrawPath = $input->getArgument('ldraw_path')) == null) {
+                $ldrawPath = $ldrawLoader->downloadLibrary();
+            }
+
+            $ldrawLoader->loadModels($ldrawPath);
+        } catch (\Exception $e) {
+            printf($e->getMessage());
+        }
+    }
+}
diff --git a/src/AppBundle/Command/Loader/LDrawLoader.php b/src/AppBundle/Command/Loader/LDrawLoader.php
deleted file mode 100644
index 92dc37f..0000000
--- a/src/AppBundle/Command/Loader/LDrawLoader.php
+++ /dev/null
@@ -1,187 +0,0 @@
-<?php
-
-namespace AppBundle\Command\Loader;
-
-use AppBundle\Entity\Category;
-use AppBundle\Entity\Model;
-use League\Flysystem\Adapter\Local;
-use League\Flysystem\Filesystem;
-use Symfony\Component\Asset\Exception\LogicException;
-use Symfony\Component\Console\Helper\ProgressBar;
-use Symfony\Component\Finder\Finder;
-use Symfony\Component\Finder\SplFileInfo;
-use Symfony\Component\Process\ProcessBuilder;
-
-class LDrawLoader extends Loader
-{
-    /**
-     * @var string LDView binary file path
-     */
-    private $ldview;
-
-    /**
-     * @var Filesystem
-     */
-    private $ldraw;
-
-    /**
-     * @var \League\Flysystem\Filesystem
-     */
-    private $dataPath;
-
-    private $ldraw_url;
-
-    public function __construct($em, $ldview, $dataPath, $ldraw_url)
-    {
-        /*
-         * @var $em EntityManager
-         * */
-        $this->em = $em;
-        $this->ldview = $ldview;
-        $this->dataPath = $dataPath;
-        $this->ldraw_url = $ldraw_url;
-    }
-
-    public function downloadLibrary()
-    {
-        $this->output->writeln('Downloading set_pieces.csv from Rebrickable.com');
-        $temp = $this->downloadFile($this->ldraw_url);
-        $temp_dir = tempnam(sys_get_temp_dir(), 'printabrick.');
-        if (file_exists($temp_dir)) {
-            unlink($temp_dir);
-        }
-        mkdir($temp_dir);
-        $zip = new \ZipArchive();
-        if ($zip->open($temp) != 'true') {
-            echo 'Error :- Unable to open the Zip File';
-        }
-        $zip->extractTo($temp_dir);
-        $zip->close();
-        unlink($temp);
-
-        return $temp_dir;
-    }
-
-    public function loadModels($LDrawLibrary)
-    {
-        //TODO Refactor, use flysystem
-        $adapter = new Local(getcwd().DIRECTORY_SEPARATOR.$LDrawLibrary);
-        $this->ldraw = new Filesystem($adapter);
-//        $files = $this->ldraw->get('parts')->getContents();
-
-        $finder = new Finder();
-        $files = $finder->files()->name('*.dat')->depth('== 0')->in(getcwd().DIRECTORY_SEPARATOR.$LDrawLibrary.DIRECTORY_SEPARATOR.'parts');
-
-        $progressBar = new ProgressBar($this->output, $files->count());
-        $progressBar->setFormat('very_verbose');
-        $progressBar->setMessage('Loading LDraw library models');
-        $progressBar->setFormat('%message:6s% %current%/%max% [%bar%]%percent:3s%% (%elapsed:6s%/%estimated:-6s%)');
-        $progressBar->start();
-        foreach ($files as $file) {
-            $model = $this->loadPartHeader($file);
-            $model->setFile($this->createStlFile($file)->getPath());
-
-            $this->em->persist($model);
-            $this->em->flush();
-
-            $progressBar->advance();
-        }
-        $progressBar->finish();
-    }
-
-    /**
-     * @param SplFileInfo $file
-     *
-     * @return Model
-     */
-    private function loadPartHeader($file)
-    {
-        $handle = fopen($file->getRealPath(), 'r');
-        if ($handle) {
-            $firstLine = false;
-
-            $model = new Model();
-
-            // read lines while line starts with 0 or is empty
-            while (($line = trim(fgets($handle))) !== false && ($line ? $line[0] == '0' : true)) {
-                if ($line !== '') {
-                    $line = preg_replace('/^0 /', '', $line);
-
-                    // 0 <CategoryName> <PartDescription>
-                    if (!$firstLine) {
-                        //TODO handle "~Moved to"
-                        //TODO        "=" - alias name for other part kept for referece
-                        //TODO        "_" shortcut
-
-                        $array = explode(' ', trim($line), 2);
-                        $category = isset($array[0]) ? $array[0] : '';
-                        $model->setName($line);
-
-                        $firstLine = true;
-                    }
-                    // 0 !CATEGORY <CategoryName>
-                    elseif (strpos($line, '!CATEGORY ') === 0) {
-                        $category = trim(preg_replace('/^!CATEGORY /', '', $line));
-                    }
-                    // 0 !KEYWORDS <first keyword>, <second keyword>, ..., <last keyword>
-                    elseif (strpos($line, '!KEYWORDS ') === 0) {
-                        $keywords = explode(', ', preg_replace('/^!KEYWORDS /', '', $line));
-                    }
-                    // 0 Name: <Filename>.dat
-                    elseif (strpos($line, 'Name: ') === 0) {
-                        $model->setNumber(preg_replace('/(^Name: )(.*)(.dat)/', '$2', $line));
-                    }
-                    // 0 Author: <Realname> [<Username>]
-                    elseif (strpos($line, 'Author: ') === 0) {
-                        $model->setAuthor(preg_replace('/^Author: /', '', $line));
-                    }
-                }
-            }
-
-            $cat = $this->em->getRepository('AppBundle:Category')->findOneBy(['name' => $category]);
-            if ($cat == null) {
-                $cat = new Category();
-                $cat->setName($category);
-            }
-
-            $model->setCategory($cat);
-            $cat->addModel($model);
-        } else {
-            throw new LogicException('loadHeader error'); //TODO
-        }
-        fclose($handle);
-
-        return $model;
-    }
-
-    /**
-     * @param SplFileInfo $file
-     *
-     * @return \League\Flysystem\File
-     */
-    private function createStlFile($file)
-    {
-        $stlFilename = str_replace('.dat', '.stl', $file->getFilename());
-
-        if (!$this->dataPath->has($stlFilename)) {
-            $builder = new ProcessBuilder();
-            $process = $builder
-                ->setPrefix($this->ldview)
-                ->setArguments([
-//                $this->ldraw->getAdapter()->getPathPrefix().$file['path'],
-                    $file->getRealPath(),
-                    '-LDrawDir='.$this->ldraw->getAdapter()->getPathPrefix(),
-                    '-ExportFile='.$this->dataPath->getAdapter()->getPathPrefix().$stlFilename,
-                ])
-                ->getProcess();
-
-            $process->run();
-
-            if (!$process->isSuccessful() || !$this->dataPath->has($stlFilename)) {
-                throw new LogicException($file->getFilename().' : '.$process->getOutput()); //TODO
-            }
-        }
-
-        return $this->dataPath->get($stlFilename);
-    }
-}
diff --git a/src/AppBundle/Controller/DownloadController.php b/src/AppBundle/Controller/DownloadController.php
index 3447bcb..ce28760 100644
--- a/src/AppBundle/Controller/DownloadController.php
+++ b/src/AppBundle/Controller/DownloadController.php
@@ -2,7 +2,7 @@
 
 namespace AppBundle\Controller;
 
-use AppBundle\Entity\Model;
+use AppBundle\Entity\LDraw\Model;
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Symfony\Component\HttpFoundation\BinaryFileResponse;
 use Symfony\Component\HttpFoundation\File\Exception\FileNotFoundException;
diff --git a/src/AppBundle/Loader/LDrawLoader.php b/src/AppBundle/Loader/LDrawLoader.php
new file mode 100644
index 0000000..7457699
--- /dev/null
+++ b/src/AppBundle/Loader/LDrawLoader.php
@@ -0,0 +1,303 @@
+<?php
+
+namespace AppBundle\Loader;
+
+use AppBundle\Entity\LDraw\Category;
+use AppBundle\Entity\LDraw\Keyword;
+use AppBundle\Entity\LDraw\Model;
+use AppBundle\Entity\LDraw\Part;
+use AppBundle\Entity\LDraw\Type;
+use AppBundle\Service\LDViewService;
+use League\Flysystem\Adapter\Local;
+use League\Flysystem\Filesystem;
+use Symfony\Component\Asset\Exception\LogicException;
+use Symfony\Component\Console\Helper\ProgressBar;
+use Symfony\Component\Finder\Finder;
+
+class LDrawLoader extends Loader
+{
+    /**
+     * @var Filesystem
+     */
+    private $ldraw;
+
+    private $ldraw_url;
+
+    /**
+     * @var LDViewService
+     */
+    private $LDViewService;
+
+    /**
+     * @param array $ldraw_url
+     */
+    public function setArguments(LDViewService $LDViewService, $ldraw_url)
+    {
+        $this->LDViewService = $LDViewService;
+        $this->ldraw_url = $ldraw_url;
+    }
+
+    public function downloadLibrary()
+    {
+        $this->output->writeln('Downloading LDraw library form ldraw.org');
+        $temp = $this->downloadFile($this->ldraw_url);
+        $temp_dir = tempnam(sys_get_temp_dir(), 'printabrick.');
+        if (file_exists($temp_dir)) {
+            unlink($temp_dir);
+        }
+        mkdir($temp_dir);
+        $zip = new \ZipArchive();
+        if ($zip->open($temp) != 'true') {
+            echo 'Error :- Unable to open the Zip File';
+        }
+        $zip->extractTo($temp_dir);
+        $zip->close();
+        unlink($temp);
+
+        return $temp_dir;
+    }
+
+    public function loadModels($LDrawLibrary)
+    {
+        $adapter = new Local($LDrawLibrary);
+        $this->ldraw = new Filesystem($adapter);
+//        $files = $this->ldraw->get('parts')->getContents();
+
+        $files = $this->ldraw->get('parts')->getContents();
+
+        $this->em->getConnection()->getConfiguration()->setSQLLogger(null);
+
+//        $finder = new Finder();
+//        $files = $finder->files()->name('*.dat')->depth('== 0')->in(getcwd().DIRECTORY_SEPARATOR.$LDrawLibrary.DIRECTORY_SEPARATOR.'parts');
+
+        $progressBar = new ProgressBar($this->output, count($files));
+        $progressBar->setFormat('very_verbose');
+        $progressBar->setMessage('Loading LDraw library models');
+        $progressBar->setFormat('%message:6s% %current%/%max% [%bar%]%percent:3s%% (%elapsed:6s%/%estimated:-6s%)');
+        $progressBar->start();
+
+        foreach ($files as $file) {
+            if ($file['type'] == 'file' && $file['extension'] == 'dat') {
+                $header = $this->getPartHeader($file);
+
+                if ($this->fileFilter($header)) {
+                    if (null == ($part = $this->em->getRepository(Part::class)->find($header['id']))) {
+                        $part = new Part();
+                        $part->setId($header['id']);
+                    }
+                    $part->setName($header['name']);
+
+                    if (($category = $this->em->getRepository(Category::class)->findOneBy(['name' => $header['category']])) == null) {
+                        $category = new Category();
+                        $category->setName($header['category']);
+                    }
+                    $part->setCategory($category);
+
+                    if (($type = $this->em->getRepository(Type::class)->findOneBy(['name' => $header['type']])) == null) {
+                        $type = new Type();
+                        $type->setName($header['type']);
+                    }
+                    $part->setType($type);
+
+                    if (isset($header['keywords'])) {
+                        foreach ($header['keywords'] as $kword) {
+                            $kword = trim($kword);
+                            if (($keyword = $this->em->getRepository(Keyword::class)->findOneBy(['name' => $kword])) == null) {
+                                $keyword = new Keyword();
+                                $keyword->setName($kword);
+                            }
+                            $part->addKeyword($keyword);
+                        }
+                    }
+
+                    if ($header['print_of_id']) {
+                        if (($printParent = $this->em->getRepository(Part::class)->find($header['print_of_id'])) == null) {
+                            $printParent = new Part();
+                            $printParent->setId($header['print_of_id']);
+                        }
+                        $part->setPrintOf($printParent);
+                    }
+
+                    if ($header['alias_of_id']) {
+                        if (($aliasParent = $this->em->getRepository(Part::class)->find($header['alias_of_id'])) == null) {
+                            $aliasParent = new Part();
+                            $aliasParent->setId($header['alias_of_id']);
+                        }
+                        $part->setAliasOf($aliasParent);
+                    }
+
+                    if (!$header['print_of_id'] && !$header['alias_of_id']) {
+                        if (($model = $this->em->getRepository(Model::class)->find($header['id'])) == null) {
+                            $model = new Model();
+                            $model->setId($header['id']);
+                        }
+
+                        $model->setAuthor($header['author']);
+                        $model->setModified($header['modified']);
+
+                        try {
+                            $file = $this->LDViewService->datToStl($file, $this->ldraw)->getPath();
+                        } catch (\Exception $e) {
+                            dump($e);
+                        }
+
+                        $model->setFile($file);
+
+                        $part->setModel($model);
+                    }
+
+                    $this->em->persist($part);
+                    $this->em->flush();
+                    $this->em->clear();
+                }
+            }
+            $progressBar->advance();
+        }
+        $progressBar->finish();
+    }
+
+    private function fileFilter($header)
+    {
+        if (strpos($header['name'], 'Sticker') !== 0 &&
+            (strpos($header['name'], '~') !== 0 || strpos($header['name'], '~Moved to ') === 0) &&
+            $header['type'] !== 'Subpart') {
+            if (strpos($header['name'], '~Moved to ') === 0) {
+                $filepath = str_replace('\\', DIRECTORY_SEPARATOR, 'parts/'.$header['alias_of_id'].'.dat');
+
+                return $this->fileFilter($this->getPartHeader($this->ldraw->get($filepath)->getMetadata()));
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+
+    private function getPrinetedParentId($filename)
+    {
+        // nnnPxx, nnnnPxx, nnnnnPxx, nnnaPxx, nnnnaPxx
+        //  where (a = alpha, n= numeric, x = alphanumeric)
+
+        if (preg_match('/(^.*)(p[0-9a-z][0-9a-z][0-9a-z]{0,1})$/', $filename, $matches)) {
+            return $matches[1];
+        }
+
+        return null;
+    }
+
+    private function isShortcutPart($filename)
+    {
+        // nnnCnn, nnnnCnn, nnnnnCnn	        Shortcut assembly of part nnn, nnnn or nnnnn with other parts or formed version of flexible part nnn, nnnn or nnnnn.
+        // nnnCnn-Fn, nnnnCnn-Fn, nnnnnCnn-Fn   Positional variant of shortcut assembly of movable parts, comprising part nnn, nnnn or nnnnn with other parts.
+        //  where (a = alpha, n= numeric, x = alphanumeric)
+
+        return preg_match('/(^.*)(c[0-9][0-9])(.*)/', $filename);
+    }
+
+    private function getAliasParentId($name)
+    {
+        if (preg_match('/^(~Moved to )(.*)$/', $name, $matches)) {
+            return $matches[2];
+        }
+
+        return null;
+    }
+
+    private function getAlias($line)
+    {
+        //        1 <colour> x y z a b c d e f g h i <file>
+
+        if (preg_match('/^1(.*) (.*)\.dat$/', $line, $matches)) {
+            return $matches[2];
+        }
+
+        return null;
+    }
+
+    /**
+     * @return array
+     */
+    private function getPartHeader($file)
+    {
+        $header = [];
+
+//        $handle = fopen($file->getRealPath(), 'r');
+
+        $handle = $this->ldraw->readStream($file['path']);
+
+        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) {
+                        $array = explode(' ', trim($line), 2);
+                        $header['category'] = isset($array[0]) ? ltrim($array[0], '=_~') : '';
+                        $header['name'] = $line;
+
+                        $firstLine = true;
+                    }
+                    // 0 !CATEGORY <CategoryName>
+                    elseif (strpos($line, '!CATEGORY ') === 0) {
+                        $header['category'] = trim(preg_replace('/^!CATEGORY /', '', $line));
+                    }
+                    // 0 !KEYWORDS <first keyword>, <second keyword>, ..., <last keyword>
+                    elseif (strpos($line, '!KEYWORDS ') === 0) {
+                        $header['keywords'] = explode(', ', preg_replace('/^!KEYWORDS /', '', $line));
+                    }
+                    // 0 Name: <Filename>.dat
+                    elseif (strpos($line, 'Name: ') === 0) {
+                        $header['id'] = preg_replace('/(^Name: )(.*)(.dat)/', '$2', $line);
+                    }
+                    // 0 Author: <Realname> [<Username>]
+                    elseif (strpos($line, 'Author: ') === 0) {
+                        $header['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);
+                        $header['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)) {
+                            $header['modified'] = \DateTime::createFromFormat('Y-m-d H:i:s', $date.'-01 00:00:00');
+                        } else {
+                            $header['modified'] = null;
+                        }
+                    }
+                } elseif (strpos($line, '1 ') === 0) {
+                    if ($header['type'] == 'Part Alias' || $header['type'] == 'Shortcut Physical_Colour' || $header['type'] == 'Shortcut Alias') {
+                        // "=" -> Alias name for other part kept for referece - do not include model -> LINK
+                        // "_" -> Physical_color  - do not include model -> LINK
+                        $header['name'] = ltrim($header['name'], '=_');
+                        $header['alias_of_id'] = $this->getAlias($line);
+                    } elseif ($header['type'] == 'Shortcut') {
+                        $header['subparts'][] = $this->getAlias($line);
+                    }
+                } elseif ($line != '') {
+                    break;
+                }
+            }
+
+            if (isset($header['id'])) {
+                $header['print_of_id'] = $this->getPrinetedParentId($header['id']);
+            }
+
+            if (isset($header['name']) && !isset($header['alias_of_id'])) {
+                $header['alias_of_id'] = $this->getAliasParentId($header['name']);
+            }
+
+            fclose($handle);
+
+            return $header;
+        }
+        throw new LogicException('loadHeader error'); //TODO
+    }
+}
diff --git a/src/AppBundle/Command/Loader/Loader.php b/src/AppBundle/Loader/Loader.php
similarity index 84%
rename from src/AppBundle/Command/Loader/Loader.php
rename to src/AppBundle/Loader/Loader.php
index f0f2622..41966d2 100644
--- a/src/AppBundle/Command/Loader/Loader.php
+++ b/src/AppBundle/Loader/Loader.php
@@ -1,6 +1,6 @@
 <?php
 
-namespace AppBundle\Command\Loader;
+namespace AppBundle\Loader;
 
 use Doctrine\ORM\EntityManager;
 use Symfony\Component\Asset\Exception\LogicException;
@@ -8,7 +8,7 @@ use Symfony\Component\Console\Helper\ProgressBar;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Debug\Exception\ContextErrorException;
 
-class Loader
+abstract class Loader
 {
     /**
      * @var EntityManager
@@ -25,13 +25,23 @@ class Loader
      */
     protected $progressBar;
 
+    /**
+     * Loader constructor.
+     *
+     * @param EntityManager $em
+     */
+    public function __construct(EntityManager $em)
+    {
+        $this->em = $em;
+    }
+
     public function setOutput(OutputInterface $output)
     {
         $this->output = $output;
         $this->output->setDecorated(true);
     }
 
-    private function progressCallback($notification_code, $severity, $message, $message_code, $bytes_transferred, $bytes_max)
+    protected function progressCallback($notification_code, $severity, $message, $message_code, $bytes_transferred, $bytes_max)
     {
         switch ($notification_code) {
             case STREAM_NOTIFY_FILE_SIZE_IS:

From 281a0ae5044934af7df561b6badf3dcb89740c40 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20H=C3=BCbner?= <hubnedav@fit.cvut.cz>
Date: Fri, 10 Mar 2017 23:28:14 +0100
Subject: [PATCH 5/5] Update README

---
 README.md | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index aaf289a..c8190bc 100644
--- a/README.md
+++ b/README.md
@@ -8,6 +8,8 @@ A Symfony project
 * PDO
 * SOAP
 * *date.timezone* setting set in *php.ini*
+* PHP Zip Extension enabled
+* LDView OSMesa >= 4.2.1 [source](https://tcobbs.github.io/ldview/).
 
 You can check if your system meets requirements by running `$ bin/symfony_requirements`
 
@@ -26,4 +28,5 @@ For full requirements see Symfony 3.2 [docs](http://symfony.com/doc/3.2/referenc
 ####Database
 1. Set application parameters in *app/config/parameters.yml*
 2. Generate empty database by running command `$ php bin/console doctrine:database:create`    
-    
\ No newline at end of file
+3. To load LDraw models into database run commad `$ php bin/console app:load:ldraw`  
+     If you prefer local ldraw library you can specify source by running `$ php bin/console app:load:ldraw [ldraw_dir_path]` instead
\ No newline at end of file