require Rails.root.join("app", "helpers", "html_to_string_helper")
namespace :'2018_03_06_clean_html_textareas' do
task clean: :environment do
include ActionView::Helpers::TextHelper
include HtmlToStringHelper
types_de_champ = TypeDeChamp.joins(:champ)
.where(type_champ: "textarea")
.where("champs.value LIKE '%<%'")
types_de_champ.find_each do |tdc|
tdc.champ.each { |c| c.update_column(:value, html_to_string(c.value)) }
end
end
end