wrote methods

app/controllers/movies_controller.rb

@@ -27,9 +27,9 @@ def create
     end
   end
 
-    private
+  private
 
-    def movies_params
-      return params.permit(:title,:overview,:release_date,:inventory)
-    end
+  def movies_params
+    return params.permit(:title, :overview, :release_date, :inventory)
   end
+end

app/controllers/rentals_controller.rb

@@ -1,24 +1,48 @@
 class RentalsController < ApplicationController
 
-  # def check_out
-  #
-  #     rental = Rental.new(rental_params)
-  #     if rental.save
-  #
-  #       if @rental
-  #
-  #         render json: @rental.as_json(rental.customer_id,rental.video_id),status: :ok
-  #
-  #       else
-  #         render json: {ok: false,errors:"movie not found"}, status: :not_found
-  #       end
-  #
-  # end
-  #
-  # def check_in
-  # end
-  #
-  #     def rentals_params
-  #       return params.permit(:customer_id,:movie_id,:due_date,:checkout_date)
-  #     end
+  def check_out
+    customer = Customer.find_by(id: params[:customer_id])
+    if customer.nil?
+      render json: { ok: false, errors: "invalid customer id"}, status: :not_found
+      return
+    end
+    movie = Movie.find_by(id: params[:movie_id])
+    if movie.nil?
+      render json: { ok: false, errors: "invalid movid id"}, status: :not_found
+      return
+    end
+    if movie.available_inventory < 1
+      render json: { ok: false, errors: "movie not in inventory"}, status: :not_found
+      return
+    end
+    rental = Rental.new(rental_params)
+    rental.checkout_date = Date.today
+    rental.due_date = Date.today + 7
+    movie.inventory -= 1
+    if rental.save && movie.save
+      render json: rental.as_json(only: [:customer_id, :movie_id, :due_date]), status: :ok
+    else
+      render json: {ok: false, errors: "could not rent"}, status: :not_found
+    end
+  end
+
+  def check_in
+    rental = Rental.where(customer_id: params[:customer_id], movie_id: params[:movie_id])[0]
+    if rental.nil?
+      render json: {errors: "rental not found" }, status: :not_found
+    else
+      rental.movie.inventory += 1
+      unless rental.customer.save && rental.movie.save
+        render json: {errors: {customer: customer.errors.messages, movie: movie.errors.messages} }, status: :bad_request
+      end
+      render json: rental.as_json(only: [:customer_id, :movie_id])
+      rental.destroy
+    end
+  end
+
+  private
+
+  def rental_params
+    params.permit(:customer_id, :movie_id)
+  end
 end