Artist

.github/workflows/rubyonrails.yml

@@ -50,7 +50,7 @@ jobs:
         with:
           bundler-cache: true
       - name: Generate binstubs
-        run: bundle binstubs bundler-audit brakeman rubocop
+        run: bundle binstubs bundler-audit brakeman 
       # Add or replace any other lints here
       - name: Security audit dependencies
         run: bin/bundler-audit --update

.gitignore

@@ -31,3 +31,5 @@
 
 # Ignore master key for decrypting credentials and more.
 /config/master.key
+
+coverage

app/controllers/api/v1/artists_controller.rb

@@ -0,0 +1,45 @@
+class Api::V1::ArtistsController < ApplicationController
+  def index
+    if params[:name]
+      begin
+        artists = ArtistFacade.search_artists(params[:name])
+        render json: ArtistSerializer.new(artists)
+      rescue JSON::ParserError => e
+        render json: { errors: [{ detail: "Failed to parse response: #{e.message}" }] }, status: :internal_server_error
+      rescue StandardError => e
+        render json: ErrorSerializer.new(e).serialize_json, status: :internal_server_error
+      end
+    else
+      error = ErrorSerializer.new(StandardError.new('Name parameter is required'))
+      render json: error.serialize_json, status: :bad_request
+    end
+  end
+
+  def create
+    user = User.find(params[:user_id])
+    artist = Artist.find_or_create_by!(artist_params)
+
+    UserArtist.find_or_create_by!(user: user, artist: artist)
+
+    render json: artist, status: :ok
+  rescue ActiveRecord::RecordNotFound => e
+    render json: ErrorSerializer.new(e).serialize_json, status: :not_found
+  rescue ActiveRecord::RecordInvalid => e
+    render json: ErrorSerializer.new(e).serialize_json, status: :bad_request
+  end
+
+  def destroy
+    user_artist = UserArtist.find_by!(user_id: params[:user_id], artist_id: params[:id])
+    user_artist.destroy
+
+    render json: { message: "Artist removed from user's saved artists" }, status: :ok
+  rescue ActiveRecord::RecordNotFound => e
+    render json: ErrorSerializer.new(e).serialize_json, status: :not_found
+  end
+
+  private
+
+  def artist_params
+    params.require(:artist).permit(:name, :musicbrainz_id)
+  end
+end

app/facades/artist_facade.rb

@@ -0,0 +1,12 @@
+class ArtistFacade
+  def self.search_artists(name)
+    artists_data = ArtistService.get_artists_by_name(name)
+    artists_data.map do |artist_data|
+      condensed_data = {
+        name: artist_data[:name],
+        id: artist_data[:id]
+      }
+      Artist.new(condensed_data)
+    end
+  end
+end

app/models/artist.rb

@@ -0,0 +1,7 @@
+class Artist < ApplicationRecord
+  has_many :user_artists
+  has_many :users, through: :user_artists
+
+  validates :name, presence: true
+  validates :musicbrainz_id, presence: true, uniqueness: true
+end

app/models/user.rb

@@ -1,6 +1,8 @@
 class User < ApplicationRecord
   has_many :user_events
   has_many :events, through: :user_events
+  has_many :user_artists, through: :user_artists
+  has_many :artists, through: :user_artists
 
   validates :name, presence: true
   validates :email, presence: true

app/models/user_artist.rb

@@ -0,0 +1,7 @@
+class UserArtist < ApplicationRecord
+  belongs_to :user
+  belongs_to :artist
+
+  validates :user_id, presence: true
+  validates :artist_id, presence: true
+end

app/poros/artist.rb

@@ -0,0 +1,8 @@
+class Artist
+  attr_reader :name, :musicbrainz_id
+
+  def initialize(data)
+    @name = data[:name]
+    @musicbrainz_id = data[:id]
+  end
+end

app/serializers/artist_serializer.rb

@@ -0,0 +1,4 @@
+class ArtistSerializer
+  include JSONAPI::Serializer
+  attributes :name, :musicbrainz_id
+end

app/services/artist_service.rb

@@ -0,0 +1,13 @@
+class ArtistService
+  def self.get_conn
+    Faraday.new(url: 'https://musicbrainz.org/ws/2') do |faraday|
+      faraday.headers['Content-Type'] = 'application/json'
+      faraday.adapter Faraday.default_adapter
+    end
+  end
+
+  def self.get_artists_by_name(name)
+    response = get_conn.get('/artist', { query: "artist:#{name}", fmt: 'json' })
+    JSON.parse(response.body, symbolize_names: true)[:artists]
+  end
+end

config/routes.rb

@@ -12,6 +12,7 @@
       resources :events, only: [:show, :create, :update, :destroy]
       resources :users, only: [:show, :create, :update, :destroy]
       resources :user_events, only: [:show, :create, :update, :destroy]
+      resources :artists, only: [:index, :create, :destroy]
     end
   end
 end