Eggplant Spaghetti Sauce

• 1 young eggplant
• 1 onion (finely chopped)
• 1 tomato paste
• 200 gr meat see note (ground)
• 200 gr chicken see note
• 160 gr italian tomatoes up (cut)
• 130 gr pork cubed see note
• 130 gr italian sausage see note
• 120 ml wine (red)
• 60 ml corn oil