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path: root/app/models/admin/account_action.rb
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# frozen_string_literal: true

class Admin::AccountAction
  include ActiveModel::Model
  include AccountableConcern
  include Authorization

  TYPES = %w(
    none
    disable
    force_sensitive
    force_unlisted
    silence
    suspend
    mark_unknown
  ).freeze

  attr_accessor :target_account,
                :current_account,
                :type,
                :text,
                :report_id,
                :warning_preset_id,
                :send_email_notification

  attr_reader :warning

  def save!
    ApplicationRecord.transaction do
      process_action!
      process_warning!
    end

    queue_email!
    process_reports!
  end

  def report
    @report ||= Report.find(report_id) if report_id.present?
  end

  def with_report?
    !report.nil?
  end

  class << self
    def types_for_account(account)
      if account.local?
        TYPES
      else
        TYPES - %w(none disable)
      end
    end
  end

  private

  def process_action!
    case type
    when 'disable'
      handle_disable!
    when 'force_sensitive'
      handle_force_sensitive!
    when 'force_unlisted'
      handle_force_unlisted!
    when 'silence'
      handle_silence!
    when 'suspend'
      handle_suspend!
    when 'mark_unknown'
      handle_mark_unknown!
    end
  end

  def process_warning!
    return unless warnable?

    authorize(target_account, :warn?)

    @warning = AccountWarning.create!(target_account: target_account,
                                      account: current_account,
                                      action: type,
                                      text: text_for_warning)

    # A log entry is only interesting if the warning contains
    # custom text from someone. Otherwise it's just noise.
    log_action(:create, warning) if warning.text.present?
  end

  def process_reports!
    return if report_id.blank?

    authorize(report, :update?)

    if type == 'none'
      log_action(:resolve, report)
      report.resolve!(current_account)
    else
      Report.where(target_account: target_account).unresolved.update_all(action_taken: true, action_taken_by_account_id: current_account.id)
    end
  end

  def handle_disable!
    authorize(target_account.user, :disable?)
    log_action(:disable, target_account.user)
    target_account.user&.disable!
  end

  def handle_force_sensitive!
    authorize(target_account, :force_sensitive?)
    log_action(:force_sensitive, target_account)
    target_account.force_sensitive!
  end

  def handle_force_unlisted!
    authorize(target_account, :force_unlisted?)
    log_action(:force_unlisted, target_account)
    target_account.force_unlisted!
  end

  def handle_silence!
    authorize(target_account, :silence?)
    log_action(:silence, target_account)
    target_account.silence!
  end

  def handle_suspend!
    authorize(target_account, :suspend?)
    log_action(:suspend, target_account)
    target_account.suspend!
    queue_suspension_worker!
  end

  def handle_mark_unknown!
    authorize(target_account, :mark_unknown?)
    log_action(:mark_unknown, target_account)
    target_account.mark_unknown!
  end

  def text_for_warning
    [warning_preset&.text, text].compact.join("\n\n")
  end

  def queue_suspension_worker!
    Admin::SuspensionWorker.perform_async(target_account.id)
  end

  def queue_email!
    return unless warnable?

    UserMailer.warning(target_account.user, warning).deliver_later!
  end

  def warnable?
    send_email_notification && target_account.local?
  end

  def warning_preset
    @warning_preset ||= AccountWarningPreset.find(warning_preset_id) if warning_preset_id.present?
  end
end