feat: add recipe foods controller to create and remove recipe food

app/controllers/recipe_foods_controller.rb

@@ -0,0 +1,50 @@
+class RecipeFoodsController < ApplicationController
+
+def index
+    #match the recipe id with the recipe_foods recipe_id
+    @recipe_foods = RecipeFood.where(recipe_id: params[:recipe_id])
+    @recipe = Recipe.find(params[:recipe_id])
+    @food = Food.where(food_id: params[:food_id])
+end
+
+def new
+    @recipe_food = RecipeFood.new
+    @recipe_id = params[:recipe_id]
+    @foods = Food.all
+end
+
+def create
+    @recipe_food = RecipeFood.new(recipe_food_params)
+    if @recipe_food.save
+      flash[:success] = 'Ingredient was successfully added.'
+      redirect_to recipe_path(id: @recipe_food.recipe_id)
+    else
+      render :new, alert: 'Failed to add ingredient'
+    end
+end
+
+def update
+    respond_to do |format|
+      if @recipe_food.update(recipe_food_params)
+        flash[:success] = 'Recipe was successfully updated.'
+        format.html { redirect_to recipe_food_path(@recipe_food) }
+      else
+        flash[:danger] = 'Recipe was not updated.'
+        format.html { render :edit, status: :unprocessable_entity }
+      end
+    end
+end
+
+def destroy
+    @recipe_id = params[:recipe_id]
+    @recipe_food = RecipeFood.find(params[:id])
+    return unless @recipe_food.destroy
+    flash[:success] = 'Ingredient was successfully deleted.'
+    redirect_to recipe_path(id: @recipe_food.recipe_id)
+end
+private
+
+def recipe_food_params
+    params.require(:recipe_food).permit(:quantity, :recipe_id, :food_id)
+end
+end