Western desserts - Apple and date cake

Apple and date cake3/4 cup vegetable oil1/2 cup white sugar1/2 cup brown sugar3 eggsvanilla1/2 cup of milk2 and 1/2 cups of flour1 teaspoon baking powder1 teaspoon baking sodapinch of salt1 teaspoon (cinnamon, cardamom, cloves, nutmeg)2 apples cut into cubes1 cup seedless dates1 cup of crushed walnutspowdered sugar to serve