Chore: Scope URLs with account_id (#601)

* Chore: Enable Users to create multiple accounts

Addresses: #402
- migrations to split roles and other attributes from users table
- make changes in code to accommodate this change

Co-authored-by: Pranav Raj Sreepuram <pranavrajs@gmail.com>

spec/controllers/api/v1/accounts/labels_controller_spec.rb

@@ -0,0 +1,59 @@
+require 'rails_helper'
+
+RSpec.describe 'Label API', type: :request do
+  let(:account) { create(:account) }
+  let(:conversation) { create(:conversation, account: account) }
+
+  before do
+    conversation.update_labels('label1, label2')
+  end
+
+  describe 'GET /api/v1/accounts/{account.id}/labels' do
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        get "/api/v1/accounts/#{account.id}/labels"
+
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      let(:agent) { create(:user, account: account, role: :agent) }
+
+      it 'returns all the labels in account' do
+        get "/api/v1/accounts/#{account.id}/labels",
+            headers: agent.create_new_auth_token,
+            as: :json
+
+        expect(response).to have_http_status(:success)
+        expect(response.body).to include('label1')
+        expect(response.body).to include('label2')
+      end
+    end
+  end
+
+  describe 'GET /api/v1/accounts/{account.id}/labels/most_used' do
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        get "/api/v1/accounts/#{account.id}/labels"
+
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      let(:agent) { create(:user, account: account, role: :agent) }
+
+      it 'returns most used labels' do
+        get "/api/v1/accounts/#{account.id}/labels/most_used",
+            headers: agent.create_new_auth_token,
+            params: { count: 1 },
+            as: :json
+
+        expect(response).to have_http_status(:success)
+        expect(response.body).to include('label1')
+        expect(response.body).not_to include('label2')
+      end
+    end
+  end
+end