class Decidim::Meetings::UpdateMeeting

panel.
This command is executed when the user changes a Meeting from the admin

def call

Broadcasts :ok if successful, :invalid otherwise.

Updates the meeting if valid. 
def call
  return broadcast(:invalid) if form.invalid?
  transaction do
    update_meeting!
    send_notification if should_notify_followers?
    schedule_upcoming_meeting_notification if start_time_changed?
  end
  broadcast(:ok, meeting)
end

def important_attributes 

def important_attributes
  %w(start_time end_time address)
end

def initialize(form, current_user, meeting)

meeting - The current instance of the page to be updated.
current_user - The current user.
form - The form from which to get the data.

Initializes a UpdateMeeting Command. 
def initialize(form, current_user, meeting)
  @form = form
  @current_user = current_user
  @meeting = meeting
end

def schedule_upcoming_meeting_notification 

def schedule_upcoming_meeting_notification
  return if meeting.start_time < Time.zone.now
  checksum = Decidim::Meetings::UpcomingMeetingNotificationJob.generate_checksum(meeting)
  Decidim::Meetings::UpcomingMeetingNotificationJob
    .set(wait_until: meeting.start_time - Decidim::Meetings.upcoming_meeting_notification)
    .perform_later(meeting.id, checksum)
end

def send_notification 

def send_notification
  Decidim::EventsManager.publish(
    event: "decidim.events.meetings.meeting_updated",
    event_class: Decidim::Meetings::UpdateMeetingEvent,
    resource: meeting,
    followers: meeting.followers
  )
end

def should_notify_followers? 

def should_notify_followers?
  important_attributes.any? { |attr| meeting.previous_changes[attr].present? }
end

def start_time_changed? 

def start_time_changed?
  meeting.previous_changes["start_time"].present?
end

def update_meeting! 

def update_meeting!
  parsed_title = Decidim::ContentProcessor.parse_with_processor(:hashtag, form.title, current_organization: form.current_organization).rewrite
  parsed_description = Decidim::ContentProcessor.parse(form.description, current_organization: form.current_organization).rewrite
  Decidim.traceability.update!(
    meeting,
    form.current_user,
    {
      scope: form.scope,
      category: form.category,
      title: { I18n.locale => parsed_title },
      description: { I18n.locale => parsed_description },
      end_time: form.end_time,
      start_time: form.start_time,
      address: form.address,
      latitude: form.latitude,
      longitude: form.longitude,
      location: { I18n.locale => form.location },
      location_hints: { I18n.locale => form.location_hints },
      author: form.current_user,
      decidim_user_group_id: form.user_group_id,
      registration_type: form.registration_type,
      registration_url: form.registration_url,
      available_slots: form.available_slots,
      registration_terms: { I18n.locale => form.registration_terms },
      registrations_enabled: form.registrations_enabled,
      type_of_meeting: form.clean_type_of_meeting,
      online_meeting_url: form.online_meeting_url,
      iframe_embed_type: form.iframe_embed_type,
      iframe_access_level: form.iframe_access_level
    },
    visibility: "public-only"
  )
end