Feature: Introduce Super Admins (#705)

* Feature: Introduce Super Admins

- added new devise model for super user
- added administrate gem
- sample dashboards for users and accounts

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

spec/controllers/super_admin/access_tokens_controller_spec.rb

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+require 'rails_helper'
+
+RSpec.describe 'Super Admin access tokens API', type: :request do
+  let(:super_admin) { create(:super_admin) }
+
+  describe 'GET /super_admin/access_tokens' do
+    context 'when it is an unauthenticated super admin' do
+      it 'returns unauthorized' do
+        get '/super_admin/'
+        expect(response).to have_http_status(:redirect)
+      end
+    end
+
+    context 'when it is an authenticated super admin' do
+      it 'shows the list of access tokens' do
+        sign_in super_admin
+        get '/super_admin/access_tokens'
+        expect(response).to have_http_status(:success)
+        expect(response.body).to include('New access token')
+        expect(response.body).to include(super_admin.access_token.token)
+      end
+    end
+  end
+end

spec/controllers/super_admin/accounts_controller_spec.rb

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+require 'rails_helper'
+
+RSpec.describe 'Super Admin accounts API', type: :request do
+  let(:super_admin) { create(:super_admin) }
+
+  describe 'GET /super_admin/accounts' do
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        get '/super_admin/accounts'
+        expect(response).to have_http_status(:redirect)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      let!(:account) { create(:account) }
+
+      it 'shows the list of accounts' do
+        sign_in super_admin
+        get '/super_admin/accounts'
+        expect(response).to have_http_status(:success)
+        expect(response.body).to include('New account')
+        expect(response.body).to include(account.name)
+      end
+    end
+  end
+end

spec/controllers/super_admin/super_admins_controller_spec.rb

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+require 'rails_helper'
+
+RSpec.describe 'Super Admin super admins API', type: :request do
+  let(:super_admin) { create(:super_admin) }
+
+  describe 'GET /super_admin/users' do
+    context 'when it is an unauthenticated super admin' do
+      it 'returns unauthorized' do
+        get '/super_admin/super_admins'
+        expect(response).to have_http_status(:redirect)
+      end
+    end
+
+    context 'when it is an authenticated super admin' do
+      it 'shows the list of super admins' do
+        sign_in super_admin
+        get '/super_admin/super_admins'
+        expect(response).to have_http_status(:success)
+        expect(response.body).to include('New super admin')
+        expect(response.body).to include(super_admin.email)
+      end
+    end
+  end
+end

spec/controllers/super_admin/users_controller_spec.rb

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+require 'rails_helper'
+
+RSpec.describe 'Super Admin Users API', type: :request do
+  let(:super_admin) { create(:super_admin) }
+
+  describe 'GET /super_admin/users' do
+    context 'when it is an unauthenticated super admin' do
+      it 'returns unauthorized' do
+        get '/super_admin/'
+        expect(response).to have_http_status(:redirect)
+      end
+    end
+
+    context 'when it is an authenticated super admin' do
+      let!(:user) { create(:user) }
+
+      it 'shows the list of users' do
+        sign_in super_admin
+        get '/super_admin'
+        expect(response).to have_http_status(:success)
+        expect(response.body).to include('New user')
+        expect(response.body).to include(user.name)
+      end
+    end
+  end
+end