Class: TimeOffRequests::GoogleCalendar

Inherits:
Object
  • Object
show all
Defined in:
app/services/time_off_requests/google_calendar.rb

Overview

Service object: google calendar.

Constant Summary collapse

CALENDAR_ID =

Use 'primary' or a specific calendar ID

'primary'.freeze
MAX_RETRIES =

Prevent infinite loops

1
TIMEZONE =

All CRM events are in Chicago timezone

'America/Chicago'.freeze

Instance Method Summary collapse

Constructor Details

#initialize(time_off_request) ⇒ GoogleCalendar

Returns a new instance of GoogleCalendar.



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# File 'app/services/time_off_requests/google_calendar.rb', line 8

def initialize(time_off_request)
  @time_off_request = time_off_request
  @employee = time_off_request.employee
  @retry_count = 0
  authorize_client
end

Instance Method Details

#create_event ⇒ Object 



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# File 'app/services/time_off_requests/google_calendar.rb', line 15

def create_event
  return unless @time_off_request.approved? && @client

  event = Google::Apis::CalendarV3::Event.new(
    summary: "HW Time Off: #{@time_off_request.time_off_type.name}",
    description: "Approved time off for #{@employee.full_name}",
    start: { date: @time_off_request.start_date.to_s, time_zone: TIMEZONE },
    end: { date: calendar_end_date, time_zone: TIMEZONE },
    attendees: [{ email: @employee.email }],
    transparency: 'opaque' # Mark as busy (not free)
  )

  begin
    created_event = @service.insert_event(CALENDAR_ID, event)
    @time_off_request.update_column(:google_event_id, created_event.id) # Save event ID
  rescue Google::Apis::AuthorizationError
    handle_authorization_error(:create_event)
  rescue Google::Apis::ClientError => e
    Rails.logger.error("Failed to create event: #{e.message}")
  end
end

#delete_event ⇒ Object 



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# File 'app/services/time_off_requests/google_calendar.rb', line 56

def delete_event
  return unless @time_off_request.google_event_id.present? && @client

  begin
    @service.delete_event(CALENDAR_ID, @time_off_request.google_event_id)
    @time_off_request.update_column(:google_event_id, nil) # Remove event reference
  rescue Google::Apis::AuthorizationError
    handle_authorization_error(:delete_event)
  rescue Google::Apis::ClientError => e
    Rails.logger.error("Failed to delete event: #{e.message}")
  end
end

#fetch_event ⇒ Object

Fetch the current event details from Google Calendar
Returns a hash with event details or nil if not found/authorized



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# File 'app/services/time_off_requests/google_calendar.rb', line 71

def fetch_event
  return { error: 'No Google Calendar event ID' } if @time_off_request.google_event_id.blank?
  return { error: 'Google Calendar not authorized' } unless @client

  begin
    event = @service.get_event(CALENDAR_ID, @time_off_request.google_event_id)
    {
      id: event.id,
      summary: event.summary,
      description: event.description,
      start_date: event.start&.date,
      end_date: event.end&.date,
      status: event.status,
      transparency: event.transparency || 'opaque',
      html_link: event.html_link,
      updated: event.updated
    }
  rescue Google::Apis::AuthorizationError
    if refresh_authorization
      fetch_event
    else
      { error: 'Authorization failed - please reconnect your Google account' }
    end
  rescue Google::Apis::ClientError => e
    if e.message.include?('notFound')
      # Event was deleted from Google Calendar
      @time_off_request.update_column(:google_event_id, nil)
      { error: 'Event not found in Google Calendar - it may have been deleted' }
    else
      Rails.logger.error("Failed to fetch event: #{e.message}")
      { error: "Failed to fetch event: #{e.message}" }
    end
  end
end

#sync_event ⇒ Object

Sync (create or update) the event to Google Calendar
Returns a hash with the result



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# File 'app/services/time_off_requests/google_calendar.rb', line 108

def sync_event
  return { error: 'Request must be approved to sync with Google Calendar' } unless @time_off_request.approved?
  return { error: 'Google Calendar not authorized - please connect your Google account' } unless @client

  if @time_off_request.google_event_id.present?
    # Try to update existing event
    begin
      update_event
      { success: true, message: 'Event updated in Google Calendar' }
    rescue Google::Apis::ClientError => e
      if e.message.include?('notFound')
        # Event was deleted, create a new one
        @time_off_request.update_column(:google_event_id, nil)
        create_event
        { success: true, message: 'Event recreated in Google Calendar (previous event was deleted)' }
      else
        { error: "Failed to update event: #{e.message}" }
      end
    end
  else
    # Create new event
    create_event
    if @time_off_request.google_event_id.present?
      { success: true, message: 'Event created in Google Calendar' }
    else
      { error: 'Failed to create event in Google Calendar' }
    end
  end
end

#update_event ⇒ Object 



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# File 'app/services/time_off_requests/google_calendar.rb', line 37

def update_event
  return unless @time_off_request.approved? && @time_off_request.google_event_id.present? && @client

  event = @service.get_event(CALENDAR_ID, @time_off_request.google_event_id)
  event.summary = "HW Time Off: #{@time_off_request.time_off_type.name}"
  event.description = "Updated time off for #{@employee.full_name}"
  event.start = Google::Apis::CalendarV3::EventDateTime.new(date: @time_off_request.start_date.to_s, time_zone: TIMEZONE)
  event.end = Google::Apis::CalendarV3::EventDateTime.new(date: calendar_end_date, time_zone: TIMEZONE)
  event.transparency = 'opaque' # Mark as busy (not free)

  begin
    @service.update_event(CALENDAR_ID, @time_off_request.google_event_id, event)
  rescue Google::Apis::AuthorizationError
    handle_authorization_error(:update_event)
  rescue Google::Apis::ClientError => e
    Rails.logger.error("Failed to update event: #{e.message}")
  end
end