updates calendar_uploader to use CalendarV3

app/services/calendar_uploader.rb

@@ -1,38 +1,29 @@
 # frozen_string_literal: true
 
 class CalendarUploader
+  require 'google/apis/calendar_v3'
+
   attr_reader :summary, :date, :access_token, :email
 
   def initialize(summary:, date:, access_token:, email:)
     @summary = summary
     @date = date
     @access_token = access_token
     @email = email
+
+    @calendar_service = Google::Apis::CalendarV3::CalendarService.new
+    @calendar_service.authorization = AccessToken.new(@access_token)
   end
 
   def upload_event
-    client.authorization.access_token = access_token
-
-    service = client.discovered_api('calendar', 'v3')
     parsed_date = Chronic.parse(date, endian_precedence: %i[little median]).to_time.iso8601
 
     event = {
-      'summary' => summary,
-      'start' => { 'dateTime' => parsed_date },
-      'end' => { 'dateTime' => parsed_date }
+      summary: summary,
+      start: { date_time: parsed_date },
+      end: { date_time: parsed_date }
     }
 
-    params = {
-      api_method: service.events.insert,
-      parameters:         { 'calendarId' => email, 'sendNotifications' => true },
-      body: JSON.dump(event),
-      headers:         { 'Content-Type' => 'application/json' }
-    }
-
-    client.execute!(params)
-  end
-
-  def client
-    @client ||= Google::APIClient.new(application_name: ENV['GOOGLE_APP_NAME'])
+    event = @calendar_service.insert_event('primary', event, send_notifications: true)
   end
 end