Implement API playlists/update

app/controllers/api/playlists_controller.rb

@@ -1,6 +1,6 @@
 module API
   class PlaylistsController < ApplicationController
-    before_action :set_playlist, only: :show
+    before_action :set_playlist, only: %i[show update]
 
     def index
       @playlists = Playlist.all
@@ -14,6 +14,11 @@ module API
       @playlist.save
     end
 
+    def update
+      @playlist.update playlist_params
+      head :no_content
+    end
+
 
     private
 

config/routes.rb

@@ -4,7 +4,7 @@ Rails.application.routes.draw do
   namespace :api do
     get '/ping', to: 'application#ping'
     match '*all', to: 'application#cor_preflight', via: :options
-    resources :playlists, only: %i[index show create]
+    resources :playlists, only: %i[index show create update]
     resources :sessions, only: :create
     resources :sounds, only: :show
     resources :tracks, only: %i[index show]

spec/integration/api/playlists_spec.rb

@@ -23,7 +23,7 @@ describe 'API playlists' do
     )
   end
 
-  it 'creates playlist' do
+  it 'creates a playlist' do
     playlist = attributes_for :playlist
     post api_playlists_path, format: :json, playlist: playlist
     expect(json).to match(
@@ -33,4 +33,15 @@ describe 'API playlists' do
       }
     )
   end
+
+  it 'updates a playlist' do
+    playlist = create :playlist
+    put api_playlist_path(playlist), format: :json, playlist: {
+      name: 'new name'
+    }
+    get api_playlist_path playlist, format: :json
+    expect(json[:playlist]).to include(
+      name: 'new name'
+    )
+  end
 end