20190210121315_move_text_filter_to_name.publify_core_engine.rb

# frozen_string_literal: true

# This migration comes from publify_core_engine (originally 20190208152646)
class MoveTextFilterToName < ActiveRecord::Migration[5.2]
  class Content < ActiveRecord::Base
    self.inheritance_column = :bogus

    belongs_to :text_filter, optional: true
  end

  class Feedback < ActiveRecord::Base
    self.table_name = 'feedback'
    self.inheritance_column = :bogus

    belongs_to :text_filter, optional: true
  end

  class User < ActiveRecord::Base
    belongs_to :text_filter, optional: true
  end

  class TextFilter < ActiveRecord::Base
    serialize :filters, Array
    serialize :params, Hash
  end

  def up
    Content.find_each do |content|
      filter = content.text_filter
      filter_name = filter&.name || 'none'
      content.update!(text_filter_name: filter_name, text_filter_id: nil)
    end

    Feedback.find_each do |feedback|
      filter = feedback.text_filter
      filter_name = filter&.name || 'none'
      feedback.update!(text_filter_name: filter_name, text_filter_id: nil)
    end

    User.find_each do |user|
      filter = user.text_filter
      filter_name = filter&.name || 'none'
      user.update!(text_filter_name: filter_name, text_filter_id: nil)
    end

    TextFilter.destroy_all
  end

  def down
    TextFilter.
      create_with(description: 'None', markup: 'none', filters: [], params: {}).
      find_or_create_by!(name: 'none')
    TextFilter.
      create_with(description: 'Markdown', markup: 'markdown', filters: [], params: {}).
      find_or_create_by!(name: 'markdown')
    TextFilter.
      create_with(description: 'SmartyPants', markup: 'none', filters: [:smartypants], params: {}).
      find_or_create_by!(name: 'smartypants')
    TextFilter.
      create_with(description: 'Markdown with SmartyPants', markup: 'markdown', filters: [:smartypants], params: {}).
      find_or_create_by!(name: 'markdown smartypants')
    TextFilter.
      create_with(description: 'Textile', markup: 'textile', filters: [], params: {}).
      find_or_create_by!(name: 'textile')

    Content.find_each do |content|
      filter_name = content.text_filter_name
      next unless filter_name

      filter = TextFilter.find(name: filter_name)
      raise "Filter #{filter_name} not found" unless filter

      content.update!(text_filter: filter)
    end

    Feedback.find_each do |feedback|
      filter_name = feedback.text_filter_name
      next unless filter_name

      filter = TextFilter.find(name: filter_name)
      raise "Filter #{filter_name} not found" unless filter

      feedback.update!(text_filter: filter)
    end

    User.find_each do |user|
      filter_name = user.text_filter_name
      next unless filter_name

      filter = TextFilter.find(name: filter_name)
      raise "Filter #{filter_name} not found" unless filter

      user.update!(text_filter: filter)
    end
  end
end