dummycode

<% @post.sources.each do |source| %>
  <%= render("posts/fields/source", source: source) %>
<% end %>
<%= add_source_button %>

dummycode

def add_source_button
  fields = render('posts/fields/source', source: '', id: :new_source_field)
  button_tag "Add Source", class: "add-fields", data: { id: :new_source_field, fields: fields }
end

dummycode

$(function () {
  $('form').on('click', '.add-fields', function(event) {
    event.preventDefault()
    const time = new Date().getTime()
    const regexp = new RegExp($(this).data('id'), 'g')
    $(this).before(
      $(this).data('fields').replace(regexp, time),
    )
  })
})

dummycode

$(function () {
  $('form').on('click', '.remove-section', function(event) {
    event.preventDefault()
    const removalTarget = $(this).data('target')
    $(this).closest(removalTarget).remove()
  })
})

dummycode

DEFAULT_PARAMS = { :sources => [] }
def post_params
  DEFAULT_PARAMS.merge(
    params.require(:post).permit(
      :title,
      :body,
      sources: [],
    )
  )
end

dummycode

post[sources][][title]: "Example One"
post[sources][][url]: "https://one.example.com"
post[sources][][title]: "Example Two"
post[sources][][url]: "https://two.example.com"

dummycode

<%= text_field_tag 'post[sources][][title]', item[‘title’] %>
<%= text_field_tag 'post[sources][][url]', item[‘url’], placeholder: 'https://example.com' %>

dummycode

DEFAULT_PARAMS = { :sources => [] }

def post_params
  DEFAULT_PARAMS.merge(
    params.require(:post).permit(
      :title,
      :body,
      sources: [
        :title,
        :url,

dummycode

validate :all_sources_have_title_and_url

def all_sources_have_title_and_url
  if sources.any? {|source| !source['title'].present? || !source['url'].present? }
    errors.add(:base, 'All sources must have a title and url')
  end
end

dummycode

WIDTH=32;
DEPTH=8192;
ADDRESS_RADIX=HEX;
DATA_RADIX=HEX;
CONTENT BEGIN
[00000000..0000000f] : DEAD;
-- @ 0x00000040 : 	XOR		ZERO,ZERO,ZERO
00000010 : 00000011;
-- @ 0x00000044 : 	LW		SP,STACKTOPVAL(ZERO)
00000011 : a0c001a4;