[10-10CG] Add paginated facilities endpoint to CG controller

app/controllers/v0/caregivers_assistance_claims_controller.rb

@@ -1,5 +1,5 @@
 # frozen_string_literal: true
-
+require 'lighthouse/facilities/v1/client'
 module V0
   # Application for the Program of Comprehensive Assistance for Family Caregivers (Form 10-10CG)
   class CaregiversAssistanceClaimsController < ApplicationController
@@ -11,7 +11,7 @@ class CaregiversAssistanceClaimsController < ApplicationController
     before_action :load_user, only: :create
 
     before_action :record_submission_attempt, only: :create
-    before_action :initialize_claim
+    before_action :initialize_claim, only: [:create, :download_pdf]
 
     rescue_from ::Form1010cg::Service::InvalidVeteranStatus, with: :backend_service_outage
 
@@ -51,8 +51,35 @@ def download_pdf
       send_data file_contents, filename: client_file_name, type: 'application/pdf', disposition: 'attachment'
     end
 
+    def facilities
+      lighthouse_facilities = lighthouse_facilities_service.get_paginated_facilities(lighthouse_facilities_params)
+      render(json: lighthouse_facilities)
+    end
+
     private
 
+    def lighthouse_facilities_service
+      @lighthouse_facilities_service ||= Lighthouse::Facilities::V1::Client.new
+    end
+
+    def lighthouse_facilities_params
+      params.permit(
+        :zip,
+        :state,
+        :lat,
+        :long,
+        :radius,
+        :visn,
+        :type,
+        :mobile,
+        :page,
+        :per_page,
+        services: [],
+        bbox: [],
+        facilityIds: []
+      )
+    end
+
     def record_submission_attempt
       auditor.record(:submission_attempt)
     end

config/routes.rb

@@ -121,9 +121,13 @@
     resource :hca_attachments, only: :create
     resource :form1010_ezr_attachments, only: :create
 
-    resources :caregivers_assistance_claims, only: :create
-    post 'caregivers_assistance_claims/download_pdf', to: 'caregivers_assistance_claims#download_pdf'
-
+    resources :caregivers_assistance_claims, only: :create do
+      collection do
+        get(:facilities)
+        post(:download_pdf)
+      end
+    end
+
     namespace :form1010cg do
       resources :attachments, only: :create
     end

lib/lighthouse/facilities/v1/client.rb

@@ -27,6 +27,11 @@ def get_facilities(params)
           facilities.reject!(&:mobile?) if params['exclude_mobile']
           facilities
         end
+
+        def get_paginated_facilities(params)
+          response = perform(:get, '/services/va_facilities/v1/facilities', params)
+          Lighthouse::Facilities::V1::Response.new(response.body, response.status)
+        end
       end
     end
   end

lib/lighthouse/facilities/v1/response.rb

@@ -21,7 +21,7 @@ def initialize(body, status)
           self.body = body
           self.status = status
           parsed_body = JSON.parse(body)
-          self.data = parsed_body['data']
+          self.data = parsed_body['data'] || []
           self.meta = parsed_body['meta']
           self.links = parsed_body['links']
           if meta

spec/controllers/v0/caregivers_assistance_claims_controller_spec.rb

@@ -2,6 +2,7 @@
 
 require 'rails_helper'
 require 'saved_claim/caregivers_assistance_claim'
+require 'lighthouse/facilities/v1/client'
 
 RSpec.describe V0::CaregiversAssistanceClaimsController, type: :controller do
   describe '::auditor' do
@@ -244,4 +245,55 @@
       ).to eq(false)
     end
   end
+
+  describe '#facilities' do
+    let(:mock_facility_response) do
+      {
+        'fake_response' => [
+          { 'id' => 'vha_123', 'attributes' => { 'name' => 'Facility 1' } },
+          { 'id' => 'vha_456', 'attributes' => { 'name' => 'Facility 2' } }
+        ]
+      }
+    end
+
+    let(:lighthouse_service) { double('Lighthouse::Facilities::V1::Client') }
+
+    before do
+      allow(Lighthouse::Facilities::V1::Client).to receive(:new).and_return(lighthouse_service)
+      allow(lighthouse_service).to receive(:get_paginated_facilities).and_return(mock_facility_response)
+    end
+
+    let(:params) do
+      {
+        zip: '90210',
+        state: 'CA',
+        lat: '34.0522',
+        long: '-118.2437',
+        radius: '50',
+        visn: '1',
+        type: '1',
+        mobile: '1',
+        page: '1',
+        per_page: '10',
+        services: ['1'],
+        bbox: ['2'],
+        facilityIds: ['vha_123', 'vha_456']
+      }
+    end
+
+    subject { get(:facilities, params:) }
+
+    it 'calls the Lighthouse facilities service with the permitted params' do
+      subject
+
+      expect(lighthouse_service).to have_received(:get_paginated_facilities).with(ActionController::Parameters.new(params).permit!)
+    end
+
+    it 'returns the response as JSON' do
+      subject
+
+      expect(response).to have_http_status(:ok)
+      expect(response.body).to eq(mock_facility_response.to_json)
+    end
+  end
 end

spec/lib/lighthouse/facilities/v1/response_spec.rb

@@ -0,0 +1,96 @@
+require 'rails_helper'
+require 'lighthouse/facilities/v1/response'
+
+RSpec.describe Lighthouse::Facilities::V1::Response, type: :model do
+  let(:data) do
+  [
+      { 'id' => 'nca_042', 'attributes' => { 'name' => 'Facility One', 'facilityType' => 'va_health_facility' } },
+      { 'id' => 'nca_043', 'attributes' => { 'name' => 'Facility Two', 'facilityType' => 'va_health_facility' } }
+    ]
+  end
+
+  let(:meta) do
+    {
+      'pagination' => {
+        'currentPage' => 1,
+        'perPage' => 10,
+        'totalEntries' => 20
+      },
+      'distances' => [
+        { 'distance' => 5.0 },
+        { 'distance' => 10.0 }
+      ]
+    }
+  end
+
+  let(:response_body) do
+    body = { 'links' => {} }
+    body['meta'] = meta unless meta.nil?
+    body['data'] = data unless data.nil?
+    body.to_json
+  end
+
+  let(:response_status) { 200 }
+  let(:response) { described_class.new(response_body, response_status) }
+
+  subject { described_class.new(response_body, response_status) }
+
+  describe '#initialize' do
+    it 'parses the response body and sets attributes' do
+      expect(subject.body).to eq(response_body)
+      expect(subject.status).to eq(response_status)
+      expect(subject.data).to be_an(Array)
+      expect(subject.meta).to be_a(Hash)
+      expect(subject.current_page).to eq(1)
+      expect(subject.per_page).to eq(10)
+      expect(subject.total_entries).to eq(20)
+    end
+
+    context 'no data attribute' do
+      let(:data) { nil }
+
+      it 'sets data to empty array' do
+        expect(subject.body).to eq(response_body)
+        expect(subject.status).to eq(response_status)
+        expect(subject.data).to be_an(Array)
+        expect(subject.meta).to be_a(Hash)
+        expect(subject.current_page).to eq(1)
+        expect(subject.per_page).to eq(10)
+        expect(subject.total_entries).to eq(20)
+      end
+    end
+  end
+
+  describe '#facilities' do
+    it 'returns a paginated collection of facilities' do
+      facilities = subject.facilities
+      expect(facilities).to be_an_instance_of(WillPaginate::Collection)
+      expect(facilities.size).to eq(2)
+      expect(facilities.current_page).to eq(1)
+      expect(facilities.per_page).to eq(10)
+      expect(facilities.total_entries).to eq(20)
+
+      facility = facilities.first
+      expect(facility).to be_an_instance_of(Lighthouse::Facilities::Facility)
+      expect(facility.distance).to eq(5.0)
+    end
+
+    it 'creates facilities with underscore attributes' do
+      facility = subject.facilities.first
+      expect(facility.attributes.keys).to include(:name, :facility_type)
+    end
+
+    context 'data is nil' do
+      let(:data) { nil }
+
+      it 'returns response with no facilities' do
+        facilities = subject.facilities
+        expect(facilities).to be_an_instance_of(WillPaginate::Collection)
+        expect(facilities.size).to eq(0)
+        expect(facilities.current_page).to eq(1)
+        expect(facilities.per_page).to eq(10)
+        expect(facilities.total_entries).to eq(20)
+      end
+    end
+  end
+end