Feature: API to list the agents for the inbox (#438)

Co-authored-by: Sojan Jose <sojan@pepalo.com>

app/controllers/api/v1/widget/inbox_members_controller.rb

@@ -0,0 +1,13 @@
+class Api::V1::Widget::InboxMembersController < Api::V1::Widget::BaseController
+  before_action :set_web_widget
+
+  def index
+    @inbox_members = @web_widget.inbox.inbox_members.includes(:user)
+  end
+
+  private
+
+  def permitted_params
+    params.permit(:website_token)
+  end
+end

app/views/api/v1/widget/inbox_members/index.json.jbuilder

@@ -0,0 +1,6 @@
+json.payload do
+  json.array! @inbox_members do |inbox_member|
+    json.name inbox_member.user.name
+    json.avatar_url inbox_member.user.avatar_url
+  end
+end

config/routes.rb

@@ -27,6 +27,7 @@ Rails.application.routes.draw do
       namespace :widget do
         resources :messages, only: [:index, :create, :update]
         resources :inboxes, only: [:create, :update]
+        resources :inbox_members, only: [:index]
       end
 
       namespace :actions do

spec/controllers/api/v1/widget/inbox_members_controller_spec.rb

@@ -0,0 +1,34 @@
+require 'rails_helper'
+
+RSpec.describe '/api/v1/widget/inbox_members', type: :request do
+  let(:account) { create(:account) }
+  let(:web_widget) { create(:channel_widget, account: account) }
+  let(:agent_1) { create(:user, account: account) }
+  let(:agent_2) { create(:user, account: account) }
+
+  before do
+    create(:inbox_member, user: agent_1, inbox: web_widget.inbox)
+    create(:inbox_member, user: agent_2, inbox: web_widget.inbox)
+  end
+
+  describe 'POST /api/v1/widget/inbox_members' do
+    let(:params) { { website_token: web_widget.website_token } }
+
+    context 'with correct website token' do
+      it 'returns the list of agents' do
+        get '/api/v1/widget/inbox_members', params: params
+
+        expect(response).to have_http_status(:success)
+        json_response = JSON.parse(response.body)
+        expect(json_response['payload'].length).to eq 2
+      end
+    end
+
+    context 'with invalid website token' do
+      it 'returns the list of agents' do
+        get '/api/v1/widget/inbox_members', params: { website_token: '' }
+        expect(response).to have_http_status(:not_found)
+      end
+    end
+  end
+end