kianaditya · November 15, 2019 15:02 · Nov 15, 2019
diff --git a/google_meet_service.rb b/google_meet_service.rb
@@ -0,0 +1,64 @@
+require 'googleauth'
+require 'google/apis'
+require 'google/apis/calendar_v3'
+
+module GoogleMeetService
+  def self.create_google_event(event)
+    authorize_client
+    google_event = create_calendar_event(event)
+    updated_google_event = update_calendar_event(event,google_event)
+    event.update_attribute(:conference_link,updated_google_event.hangout_link)
+  end
+
+  def self.create_calendar_event(event)
+    new_event_payload = Google::Apis::CalendarV3::Event.new(
+      summary: "Event_#{event.id}",
+      description: "Event_#{event.id} : #{event.description}",
+      start: { date_time: event.start_date.iso8601 },
+      end: { date_time: event.end_date.iso8601 }
+    )
+    new_event = @client.insert_event('primary',new_event_payload)
+    @client.get_event('primary',new_event.id)
+  end
+
+  def self.authorize_client
+    scopes = [
+      "https://www.googleapis.com/auth/calendar",
+      "https://www.googleapis.com/auth/calendar.events"
+    ]
+    File.open('google_credentials.json', 'w') do |f|
+      f.puts Rails.application.credentials.GOOGLE_CREDENTIALS.to_json
+    end
+    authorizer = Google::Auth::ServiceAccountCredentials.make_creds(json_key_io: File.open('google_credentials.json'),scope: scopes)
+    File.delete('google_credentials.json') if File.exist?('google_credentials.json')
+    @client  = Google::Apis::CalendarV3::CalendarService.new
+    @client.authorization = authorizer
+    @client.authorization.fetch_access_token!
+  end
+
+  def self.update_calendar_event(event,google_event)
+    random_meet_id = "#{('a'..'z').to_a.shuffle[0,3].join}-#{('a'..'z').to_a.shuffle[0,4].join}-#{('a'..'z').to_a.shuffle[0,3].join}"
+    update_event_payload = Google::Apis::CalendarV3::Event.new(
+      summary: "Event_#{event.id}",
+      description: "Event_#{event.id} : #{event.description}",
+      start: { date_time: event.start_date.iso8601 },
+      end: { date_time: event.end_date.iso8601 },
+      conference_data: {
+        conference_id: "#{random_meet_id}",
+        # conference_solution: {
+        #   key:{
+        #     type: "hangoutsMeet"
+        #   },
+        #   name: 'meet'
+        # },
+        create_request: {
+          request_id: "#{('a'..'z').to_a.shuffle[0,10].join}",
+          # conference_solution_key: {
+          #   type: "hangoutsMeet"
+          # }
+        }
+      }
+    )
+    updated_event = @client.update_event('primary',google_event.id,update_event_payload,{conference_data_version: 1})
+  end
+ end