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app/Interfaces/ProductSupplier.php

@@ -25,4 +25,14 @@ interface ProductSupplier {
 	 * @return float
 	 */
 	public function getCostAttribute(): float;
+
+	/**
+	 * Return the supplier class
+	 * If there is a model relationship return:
+	 *   return $this->getRelationValue('supplier');
+	 * otherwise return a stdClass with name
+	 *
+	 * @return mixed
+	 */
+	public function getSupplierAttribute();
 }