Add categories for generic prices

app/Models/Shop/PriceGeneric.php

@@ -12,9 +12,14 @@ class PriceGeneric extends Model
     protected $guarded = ['id']; 
     protected $table = 'shop_price_generics';
 
+    public function category()
+    {
+        return $this->hasOne('App\Models\Shop\PriceGenericCategory','id','category_id');
+    }
+
     public function prices()
     {
-    	return $this->hasMany('App\Models\Shop\Price');
+    	return $this->hasMany('App\Models\Shop\Price','price_id')->where('price_type','App\Models\Shop\PriceGeneric');
     }
 
     public function values()
@@ -22,9 +27,19 @@ class PriceGeneric extends Model
     	return $this->hasMany('App\Models\Shop\PriceGenericValue');
     }
 
+    public function priceByUnit()
+    {
+        return $this->hasOne('App\Models\Shop\PriceGenericValue')->orderBy('quantity','asc');
+    }
+
     public function articles()
     {
     	return $this->hasManyThrough('App\Models\Shop\Article','App\Models\Shop\Price');
     }
 
+    public function scopeByCategory($query, $id)
+    {
+        return $query->where('category_id', $id);
+    }
+
 }

app/Models/Shop/PriceGenericCategory.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace App\Models\Shop;
+
+use Illuminate\Database\Eloquent\Model;
+
+class PriceGenericCategory extends Model
+{
+
+    protected $guarded = ['id']; 
+    protected $table = 'shop_price_generic_categories';
+
+    public function price_generics()
+    {
+    	return $this->hasMany('App\Models\Shop\PriceGeneric','category_id');
+    }
+
+}