feat: ingredient controller, websocket messages, ingredient controller tests

commons/src/main/java/commons/Ingredient.java

@@ -33,10 +33,7 @@ public class Ingredient {
     @Column(name = "carbs", nullable = false)
     public double carbsPer100g;
 
-    @SuppressWarnings("unused")
-    protected Ingredient() {
-        // for object mapper says sebastian
-    }
+    public Ingredient() {}
 
     public Ingredient(String name,
                       double proteinPer100g,

commons/src/main/java/commons/ws/Topics.java

@@ -2,4 +2,5 @@ package commons.ws;
 
 public class Topics {
     public static final String RECIPES = "/subscribe/recipe";
+    public static final String INGREDIENTS = "/subscribe/ingredient";
 }

commons/src/main/java/commons/ws/messages/CreateIngredientMessage.java

@@ -0,0 +1,30 @@
+package commons.ws.messages;
+
+import commons.Ingredient;
+
+/**
+ * Message sent when a new ingredient is created.
+ *
+ * @see commons.ws.messages.Message.Type#INGREDIENT_CREATE
+ */
+public class CreateIngredientMessage implements Message {
+    private Ingredient ingredient;
+
+    public CreateIngredientMessage(Ingredient ingredient) {
+        this.ingredient = ingredient;
+    }
+
+    @Override
+    public Type getType() {
+        return Type.INGREDIENT_CREATE;
+    }
+
+    /**
+     * Get the created ingredient.
+     *
+     * @return The created ingredient.
+     */
+    public Ingredient getIngredient() {
+        return ingredient;
+    }
+}

commons/src/main/java/commons/ws/messages/DeleteIngredientMessage.java

@@ -0,0 +1,28 @@
+package commons.ws.messages;
+
+/**
+ * Message sent when an ingredient is deleted.
+ *
+ * @see commons.ws.messages.Message.Type#INGREDIENT_DELETE
+ */
+public class DeleteIngredientMessage implements Message {
+    private Long ingredientId;
+
+    public DeleteIngredientMessage(Long ingredientId) {
+        this.ingredientId = ingredientId;
+    }
+
+    @Override
+    public Type getType() {
+        return Type.INGREDIENT_DELETE;
+    }
+
+    /**
+     * Get the deleted ingredient's id.
+     *
+     * @return The deleted ingredient's id.
+     */
+    public Long getIngredientId() {
+        return ingredientId;
+    }
+}

commons/src/main/java/commons/ws/messages/Message.java

@@ -21,7 +21,28 @@ public interface Message {
          *
          * @see commons.ws.messages.DeleteRecipeMessage
          */
-        RECIPE_DELETE
+        RECIPE_DELETE,
+
+        /**
+         * Message sent when a new ingredient is created.
+         *
+         * @see commons.ws.messages.CreateIngredientMessage
+         */
+        INGREDIENT_CREATE,
+
+        /**
+         * Message sent when an existing ingredient is updated.
+         *
+         * @see commons.ws.messages.UpdateIngredientMessage
+         */
+        INGREDIENT_UPDATE,
+
+        /**
+         * Message sent when an ingredient is deleted.
+         *
+         * @see commons.ws.messages.DeleteIngredientMessage
+         */
+        INGREDIENT_DELETE
     }
 
     /**

commons/src/main/java/commons/ws/messages/UpdateIngredientMessage.java

@@ -0,0 +1,30 @@
+package commons.ws.messages;
+
+import commons.Ingredient;
+
+/**
+ * Message sent when an ingredient is updated.
+ *
+ * @see commons.ws.messages.Message.Type#INGREDIENT_UPDATAE
+ */
+public class UpdateIngredientMessage implements Message {
+    private Ingredient ingredient;
+
+    public UpdateIngredientMessage(Ingredient ingredient) {
+        this.ingredient = ingredient;
+    }
+
+    @Override
+    public Type getType() {
+        return Type.INGREDIENT_UPDATE;
+    }
+
+    /**
+     * Get the updated ingredient.
+     *
+     * @return The updated ingredient.
+     */
+    public Ingredient getIngredient() {
+        return ingredient;
+    }
+}