96447 Add drive times endpoint integration (#20027)

* rough draft impl

* rspec

* consolidate drive time service and specs into provider service and specs

* EPS get_drive_times: update params

* remove unneeded variable in spec

---------

Co-authored-by: Corey Ferris <[email protected]>

Author: randomsync

modules/vaos/app/services/eps/provider_service.rb

@@ -35,6 +35,24 @@ def get_networks
       OpenStruct.new(response.body)
     end
 
+    ##
+    # Get drive times from EPS
+    #
+    # @param destinations [Hash] Hash of UUIDs mapped to lat/long coordinates
+    # @param origin [Hash] Hash containing origin lat/long coordinates
+    # @return OpenStruct response from EPS drive times endpoint
+    #
+    def get_drive_times(destinations:, origin:)
+      payload = {
+        destinations: destinations,
+        origin: origin
+      }
+
+      response = perform(:post, "/#{config.base_path}/drive-times", payload, headers)
+      OpenStruct.new(response.body)
+    end
+
+    ##
     # Retrieves available slots for a specific provider.
     #
     # @param provider_id [String] The unique identifier of the provider

modules/vaos/spec/services/eps/provider_service_spec.rb

@@ -126,6 +126,70 @@
     end
   end
 
+  describe 'get_drive_times' do
+    let(:destinations) do
+      {
+        'provider-123' => {
+          latitude: 40.7128,
+          longitude: -74.0060
+        }
+      }
+    end
+    let(:origin) do
+      {
+        latitude: 40.7589,
+        longitude: -73.9851
+      }
+    end
+
+    context 'when the request is successful' do
+      let(:response) do
+        double('Response', status: 200, body: {
+                 'destinations' => {
+                   '00eff3f3-ecfb-41ff-9ebc-78ed811e17f9' => {
+                     'distanceInMiles' => '4',
+                     'driveTimeInSecondsWithTraffic' => '566',
+                     'driveTimeInSecondsWithoutTraffic' => '493',
+                     'latitude' => '-74.12870564772521',
+                     'longitude' => '-151.6240405624497'
+                   }
+                 },
+                 'origin' => {
+                   'latitude' => '4.627174468915552',
+                   'longitude' => '-88.72187894562788'
+                 }
+               })
+      end
+
+      before do
+        allow_any_instance_of(VAOS::SessionService).to receive(:perform).and_return(response)
+      end
+
+      it 'returns the calculated drive times' do
+        result = service.get_drive_times(destinations:, origin:)
+
+        expect(result).to eq(OpenStruct.new(response.body))
+      end
+    end
+
+    context 'when the request fails' do
+      let(:response) { double('Response', status: 500, body: 'Unknown service exception') }
+      let(:exception) do
+        Common::Exceptions::BackendServiceException.new(nil, {}, response.status, response.body)
+      end
+
+      before do
+        allow_any_instance_of(VAOS::SessionService).to receive(:perform).and_raise(exception)
+      end
+
+      it 'raises an error' do
+        expect do
+          service.get_drive_times(destinations:, origin:)
+        end.to raise_error(Common::Exceptions::BackendServiceException, /VA900/)
+      end
+    end
+  end
+
   describe '#get_provider_slots' do
     let(:provider_id) { '9mN718pH' }
     let(:required_params) do