Add circle editor

app/controllers/api/v1/accounts/search_controller.rb

@@ -18,6 +18,7 @@ class Api::V1::Accounts::SearchController < Api::BaseController
       limit: limit_param(DEFAULT_ACCOUNTS_LIMIT),
       resolve: truthy_param?(:resolve),
       following: truthy_param?(:following),
+      follower: truthy_param?(:follower),
       offset: params[:offset]
     )
   end

app/controllers/api/v1/circles/accounts_controller.rb

@@ -0,0 +1,93 @@
+# frozen_string_literal: true
+
+class Api::V1::Circles::AccountsController < Api::BaseController
+  before_action -> { doorkeeper_authorize! :read, :'read:lists' }, only: [:show]
+  before_action -> { doorkeeper_authorize! :write, :'write:lists' }, except: [:show]
+
+  before_action :require_user!
+  before_action :set_circle
+
+  after_action :insert_pagination_headers, only: :show
+
+  def show
+    @accounts = load_accounts
+    render json: @accounts, each_serializer: REST::AccountSerializer
+  end
+
+  def create
+    ApplicationRecord.transaction do
+      circle_accounts.each do |account|
+        @circle.accounts << account
+      end
+    end
+
+    render_empty
+  end
+
+  def destroy
+    CircleAccount.where(circle: @circle, account_id: account_ids).destroy_all
+    render_empty
+  end
+
+  private
+
+  def set_circle
+    @circle = Circle.where(account: current_account).find(params[:circle_id])
+  end
+
+  def load_accounts
+    if unlimited?
+      @circle.accounts.without_suspended.includes(:account_stat).all
+    else
+      @circle.accounts.without_suspended.includes(:account_stat).paginate_by_max_id(limit_param(DEFAULT_ACCOUNTS_LIMIT), params[:max_id], params[:since_id])
+    end
+  end
+
+  def circle_accounts
+    Account.find(account_ids)
+  end
+
+  def account_ids
+    Array(resource_params[:account_ids])
+  end
+
+  def resource_params
+    params.permit(account_ids: [])
+  end
+
+  def insert_pagination_headers
+    set_pagination_headers(next_path, prev_path)
+  end
+
+  def next_path
+    return if unlimited?
+
+    api_v1_circle_accounts_url pagination_params(max_id: pagination_max_id) if records_continue?
+  end
+
+  def prev_path
+    return if unlimited?
+
+    api_v1_circle_accounts_url pagination_params(since_id: pagination_since_id) unless @accounts.empty?
+  end
+
+  def pagination_max_id
+    @accounts.last.id
+  end
+
+  def pagination_since_id
+    @accounts.first.id
+  end
+
+  def records_continue?
+    @accounts.size == limit_param(DEFAULT_ACCOUNTS_LIMIT)
+  end
+
+  def pagination_params(core_params)
+    params.slice(:limit).permit(:limit).merge(core_params)
+  end
+
+  def unlimited?
+    params[:limit] == '0'
+  end
+end

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