Add circle editor

app/controllers/api/v1/circles_controller.rb

@@ -0,0 +1,47 @@
+# frozen_string_literal: true
+
+class Api::V1::CirclesController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :read, :'read:lists' }, only: [:index, :show]
+  before_action -> { doorkeeper_authorize! :write, :'write:lists' }, except: [:index, :show]
+
+  before_action :require_user!
+  before_action :set_circle, except: [:index, :create]
+
+  rescue_from ArgumentError do |e|
+    render json: { error: e.to_s }, status: 422
+  end
+
+  def index
+    @circles = Circle.where(account: current_account).all
+    render json: @circles, each_serializer: REST::CircleSerializer
+  end
+
+  def show
+    render json: @circle, serializer: REST::CircleSerializer
+  end
+
+  def create
+    @circle = Circle.create!(circle_params.merge(account: current_account))
+    render json: @circle, serializer: REST::CircleSerializer
+  end
+
+  def update
+    @circle.update!(circle_params)
+    render json: @circle, serializer: REST::CircleSerializer
+  end
+
+  def destroy
+    @circle.destroy!
+    render_empty
+  end
+
+  private
+
+  def set_circle
+    @circle = Circle.where(account: current_account).find(params[:id])
+  end
+
+  def circle_params
+    params.permit(:title)
+  end
+end