codigo actual del servidor, con avances de joan

app/Models/Category.php

@@ -0,0 +1,49 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use App;
+
+class Category extends Model
+{
+    protected $with = ['category_translations'];
+
+    public function getTranslation($field = '', $lang = false){
+        $lang = $lang == false ? App::getLocale() : $lang;
+        $category_translation = $this->category_translations->where('lang', $lang)->first();
+        return $category_translation != null ? $category_translation->$field : $this->$field;
+    }
+
+    public function category_translations(){
+    	return $this->hasMany(CategoryTranslation::class);
+    }
+
+    public function products(){
+    	return $this->hasMany(Product::class);
+    }
+
+    public function classified_products(){
+    	return $this->hasMany(CustomerProduct::class);
+    }
+
+    public function categories()
+    {
+        return $this->hasMany(Category::class, 'parent_id');
+    }
+
+    public function childrenCategories()
+    {
+        return $this->hasMany(Category::class, 'parent_id')->with('categories');
+    }
+
+    public function parentCategory()
+    {
+        return $this->belongsTo(Category::class, 'parent_id');
+    }
+
+    public function attributes()
+    {
+        return $this->belongsToMany(Attribute::class);
+    }
+}