Added the reference between entities

Author: Menion93

Diff for: webserver/model/Ingredient.js

@@ -11,7 +11,8 @@ module.exports = function() {
     // define schema
     var IngredientSchema = new Schema({
         name: String,
-        description: String
+        description: String,
+        _pizzas: [{type:'ObjectId', ref:'Pizza'}]
         // Add an image
     });
     mongoose.model('Ingredient', IngredientSchema);

Diff for: webserver/model/Pizza.js

@@ -13,8 +13,7 @@ module.exports = function() {
         name: String,
         description: String,
         base: String,
-        ingredients: [Number]
-        // Add an image
+        _ingredients: [{type:'ObjectId', ref:'Ingredient'}]
         //Maybe add something else
 
     });