CLDC-3508 Search both datasets for UPRN (#2479)

* Search both datasets for UPRN

* Update presenter

* Update request stubs

app/services/uprn_client.rb

@@ -20,7 +20,7 @@ class UprnClient
   end
 
   def result
-    @result ||= JSON.parse(response.body).dig("results", 0, "DPA")
+    @result ||= JSON.parse(response.body).dig("results", 0, "DPA") || JSON.parse(response.body).dig("results", 0, "LPI")
   end
 
 private
@@ -39,6 +39,7 @@ private
     params = {
       uprn:,
       key: ENV["OS_DATA_KEY"],
+      dataset: %w[DPA LPI].join(","),
     }
     uri.query = URI.encode_www_form(params)
     uri.to_s

app/services/uprn_data_presenter.rb

@@ -8,10 +8,22 @@ class UprnDataPresenter
   end
 
   def postcode
-    data["POSTCODE"]
+    result_from_lpi? ? data["POSTCODE_LOCATOR"] : data["POSTCODE"]
   end
 
   def address_line1
+    if result_from_lpi?
+      data.values_at(
+        "ORGANISATION",
+        "SAO_TEXT",
+        "PAO_START_NUMBER",
+        "STREET_DESCRIPTION",
+        "LOCALITY_NAME",
+        "ADMINISTRATIVE_AREA",
+      ).compact
+       .join(", ")
+       .titleize
+    else
       data.values_at(
         "PO_BOX_NUMBER",
         "ORGANISATION_NAME",
@@ -25,6 +37,7 @@ class UprnDataPresenter
        .join(", ")
        .titleize
     end
+  end
 
   def address_line2
     data.values_at(
@@ -36,6 +49,10 @@ class UprnDataPresenter
   end
 
   def town_or_city
-    data["POST_TOWN"].titleize
+    result_from_lpi? ? data["TOWN_NAME"].titleize : data["POST_TOWN"].titleize
+  end
+
+  def result_from_lpi?
+    data["LPI_KEY"].present?
   end
 end

spec/request_helper.rb

@@ -34,7 +34,7 @@ module RequestHelper
       ],
     }.to_json
 
-    WebMock.stub_request(:get, "https://api.os.uk/search/places/v1/uprn?key=OS_DATA_KEY&uprn=1")
+    WebMock.stub_request(:get, "https://api.os.uk/search/places/v1/uprn?dataset=DPA,LPI&key=OS_DATA_KEY&uprn=1")
     .to_return(status: 200, body:, headers: {})
 
     body = {
@@ -50,7 +50,7 @@ module RequestHelper
       ],
     }.to_json
 
-    WebMock.stub_request(:get, "https://api.os.uk/search/places/v1/uprn?key&uprn=121")
+    WebMock.stub_request(:get, "https://api.os.uk/search/places/v1/uprn?dataset=DPA,LPI&key&uprn=121")
      .to_return(status: 200, body:, headers: {})
 
     body = {
@@ -65,7 +65,7 @@ module RequestHelper
       ],
     }.to_json
 
-    WebMock.stub_request(:get, "https://api.os.uk/search/places/v1/uprn?key=OS_DATA_KEY&uprn=123")
+    WebMock.stub_request(:get, "https://api.os.uk/search/places/v1/uprn?dataset=DPA,LPI&key=OS_DATA_KEY&uprn=123")
     .to_return(status: 200, body:, headers: {})
 
     body = {
@@ -80,10 +80,10 @@ module RequestHelper
       ],
     }.to_json
 
-    WebMock.stub_request(:get, "https://api.os.uk/search/places/v1/uprn?key=OS_DATA_KEY&uprn=12")
+    WebMock.stub_request(:get, "https://api.os.uk/search/places/v1/uprn?dataset=DPA,LPI&key=OS_DATA_KEY&uprn=12")
     .to_return(status: 200, body:, headers: {})
 
-    WebMock.stub_request(:get, "https://api.os.uk/search/places/v1/uprn?key=OS_DATA_KEY&uprn=1234567890123")
+    WebMock.stub_request(:get, "https://api.os.uk/search/places/v1/uprn?dataset=DPA,LPI&key=OS_DATA_KEY&uprn=1234567890123")
     .to_return(status: 404, body: "", headers: {})
 
     template = Addressable::Template.new "https://api.os.uk/search/places/v1/find?key=OS_DATA_KEY&maxresults=10&minmatch=0.4&query={+address_query}"

spec/services/exports/lettings_log_export_service_spec.rb

@@ -181,7 +181,7 @@ RSpec.describe Exports::LettingsLogExportService do
       before do
         Timecop.freeze(Time.zone.local(2023, 4, 3))
         Singleton.__init__(FormHandler)
-        stub_request(:get, "https://api.os.uk/search/places/v1/uprn?key=OS_DATA_KEY&uprn=100023336956")
+        stub_request(:get, "https://api.os.uk/search/places/v1/uprn?dataset=DPA,LPI&key=OS_DATA_KEY&uprn=100023336956")
          .to_return(status: 200, body: '{"status":200,"results":[{"DPA":{
           "PO_BOX_NUMBER": "fake",
       "ORGANISATION_NAME": "org",

spec/services/uprn_client_spec.rb

@@ -8,7 +8,7 @@ describe UprnClient do
   end
 
   def stub_api_request(body:, status: 200)
-    stub_request(:get, "https://api.os.uk/search/places/v1/uprn?key=OS_DATA_KEY&uprn=123")
+    stub_request(:get, "https://api.os.uk/search/places/v1/uprn?dataset=DPA,LPI&key=OS_DATA_KEY&uprn=123")
     .to_return(status:, body:, headers: {})
   end
 
@@ -37,7 +37,28 @@ describe UprnClient do
       end
     end
 
-    context "when results empty" do
+    context "when DPA results empty" do
+      context "and LPI result is present" do
+        let(:valid_lpi_response) do
+          { results: [{ LPI: { postcode_locator: "LPI postcode", LPI_KEY: "123" } }] }.to_json
+        end
+
+        before do
+          stub_api_request(body: valid_lpi_response, status: 200)
+
+          client.call
+        end
+
+        it "returns result" do
+          expect(client.result).to eq({ "postcode_locator" => "LPI postcode", "LPI_KEY" => "123" })
+        end
+
+        it "returns no error" do
+          expect(client.error).to be_nil
+        end
+      end
+
+      context "and LPI results empty" do
         before do
           stub_api_request(body: {}.to_json)
 
@@ -48,6 +69,7 @@ describe UprnClient do
           expect(client.error).to eq("UPRN is not recognised. Check the number, or enter the address")
         end
       end
+    end
 
     context "with results" do
       before do

spec/services/uprn_data_presenter_spec.rb

@@ -1,6 +1,9 @@
 require "rails_helper"
 
 describe UprnDataPresenter do
+  let(:presenter) { described_class.new(data) }
+
+  describe "DPA data" do
     let(:data) do
       JSON.parse(
         '{
@@ -28,8 +31,6 @@ describe UprnDataPresenter do
       )
     end
 
-  let(:presenter) { described_class.new(data) }
-
     describe "#postcode" do
       it "returns postcode" do
         expect(presenter.postcode).to eq("postcode")
@@ -63,4 +64,46 @@ describe UprnDataPresenter do
         end
       end
     end
+  end
+
+  describe "LPI data" do
+    let(:data) do
+      JSON.parse(
+        '{
+          "UPRN": "UPRN",
+          "ADDRESS": "flat 1, 22, street name, posttown, postcode",
+          "SAO_TEXT": "flat 1",
+          "PAO_START_NUMBER": "22",
+          "STREET_DESCRIPTION": "street name",
+          "TOWN_NAME": "posttown",
+          "POSTCODE_LOCATOR": "postcode",
+          "LPI_KEY": "LPI_KEY"
+        }',
+      )
+    end
+
+    describe "#postcode" do
+      it "returns postcode" do
+        expect(presenter.postcode).to eq("postcode")
+      end
+    end
+
+    describe "#address_line1" do
+      it "returns address_line1" do
+        expect(presenter.address_line1).to eq("Flat 1, 22, Street Name")
+      end
+    end
+
+    describe "#address_line2" do
+      it "returns address_line2" do
+        expect(presenter.address_line2).to be_nil
+      end
+    end
+
+    describe "#town_or_city" do
+      it "returns town_or_city" do
+        expect(presenter.town_or_city).to eq("Posttown")
+      end
+    end
+  end
 end