clarion/app/views/management/volunteers/index.csv.erb

<%- csv_headers = %w{id name email language unique_id phone tshirt_size tshirt_cut food_preferences previous_experience notes team additional_teams} -%>
<%= CSV.generate_line(csv_headers).html_safe -%>
<%- @volunteers.each do |volunteer| -%>
  <%= CSV.generate_line([volunteer.id,
                         volunteer.name,
                         volunteer.email,
                         volunteer.language,
                         volunteer.unique_id,
                         volunteer.phone,
                         volunteer.tshirt_size,
                         volunteer.tshirt_cut,
                         volunteer.food_preferences,
                         volunteer.previous_experience,
                         volunteer.notes,
                         volunteer.volunteer_team.name,
                         volunteer.additional_volunteer_teams.map(&:name).join(', ')]).html_safe -%>
<%- end -%>