[#6] Handle error while query google - not colorized

app/controllers/keywords_controller.rb

@@ -4,7 +4,14 @@ class KeywordsController < ApplicationController
   def index; end
 
   def create
-    @keyword = params['keyword']
-    @raw_response = GoogleService::ClientService.query(@keyword)
+    keyword = params['keyword']
+    raw_response = GoogleService::ClientService.new(keyword).query_result
+
+    return redirect_to keywords_path, alert: I18n.t('keywords.could_not_query') unless raw_response
+
+    render :create, locals: {
+      keyword: keyword,
+      raw_response: raw_response
+    }
   end
 end

app/services/google_service/client_service.rb

@@ -0,0 +1,37 @@
+# frozen_string_literal: true
+
+module GoogleService
+  class ClientService
+    require 'httparty'
+
+    USER_AGENT = 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) '\
+                'AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.77 Safari/537.36'
+
+    def initialize(keyword, lang = 'en')
+      escaped_keyword = CGI.escape(keyword)
+      @uri = URI("https://auibawsasxasxechjksdc.fr/search?q=#{escaped_keyword}&hl=#{lang}&gl=#{lang}")
+    end
+
+    # Inspect Http response status code
+    # Any non 200 response code will be logged
+    # response is set to nil in order to notify the error
+    def validate_result
+      return if @result.response.code == '200'
+
+      Rails.logger.warn "Warning: Query Google with keyword #{@keyword} return status code #{@result.response.code}"
+      @result = nil
+    end
+
+    def query_result
+      begin
+        @result = HTTParty.get(@uri, { headers: { 'User-Agent' => USER_AGENT } })
+      rescue HTTParty::Error, Timeout::Error, SocketError => e
+        Rails.logger.error "Error: Query Google with keyword #{@keyword} throw an error: #{e}"
+        @result = nil
+      else
+        validate_result
+      end
+      @result
+    end
+  end
+end