Module: ActiveScaffold::Helpers::ActionLinkHelpers

Included in:
ViewHelpers
Defined in:
lib/active_scaffold/helpers/action_link_helpers.rb

Overview

Helpers rendering action links

Constant Summary collapse

NESTED_PARAMS =

params which mustn’t be copying to nested links

i[eid embedded association parent_scaffold].freeze

Instance Method Summary collapse

Instance Method Details

rubocop:disable Naming/PredicateMethod

Returns:

  • (Boolean)


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 14

def action_link_authorized?(link, *args) # rubocop:disable Naming/PredicateMethod
  auth, reason =
    if link.security_method_set? || controller.respond_to?(link.security_method, true)
      controller.send(link.security_method, *args)
    else
      args.empty? || args.first.authorized_for?(crud_type: link.crud_type, action: link.action, reason: true)
    end
  [auth, reason]
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 491

def action_link_html(link, url, html_options, record)
  label = html_options.delete(:link)
  label ||= link.label(record)
  if url.nil?
    (:a, label, html_options)
  else
    link_to(label, url, html_options)
  end
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 424

def action_link_html_options(link, record, options, cache: false)
  link_id = cache ? '--LINK_ID--' : options[:link_id] || get_action_link_id(link, record)
  html_options = options[:html_options] || link.html_options
  html_options = html_options.merge(class: [html_options[:class], link.action.to_s].compact.join(' '))
  html_options[:link] = action_link_text(link, record, options)

  # Needs to be in html_options to as the adding _method to the url is no longer supported by Rails
  html_options[:method] = link.method if link.method != :get

  html_options[:data] ||= {}
  html_options[:data] = html_options[:data].deep_dup if html_options[:data].frozen?
  html_options[:data][:confirm] = cache ? '--CONFIRM--' : link.confirm(h(record&.to_label)) if link.confirm?
  if !options[:page] && !options[:popup] && (options[:inline] || link.inline?)
    html_options[:class] += ' as_action'
    html_options[:data][:position] = link.position if link.position
    html_options[:data][:action] = link.action
    html_options[:data][:cancel_refresh] = true if link.refresh_on_close
    html_options[:data][:keep_open] = true if link.keep_open?
    if link.prompt?
      html_options[:data][:prompt] = cache ? '--PROMPT--' : link.prompt(h(record&.to_label))
      html_options[:data][:prompt_required] = true if link.prompt_required?
    end
    html_options[:remote] = true
  end

  if link.toggle
    html_options[:class] += ' toggle'
    if cache
      html_options[:class] << ' --ACTIVE--'
    elsif action_link_selected?(link, record)
      html_options[:class] << ' active'
    end
  end

  if !options[:page] && !options[:inline] && (options[:popup] || link.popup?)
    html_options[:target] = '_blank'
    html_options[:rel] = [html_options[:rel], 'noopener noreferrer'].compact.join(' ')
  end
  html_options[:id] = link_id
  html_options
end

Returns:

  • (Boolean)


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 410

def action_link_selected?(link, record)
  if link.respond_to?(:filter_name)
    if params[link.filter_name]
      params[link.filter_name].to_s == link.name.to_s
    else
      active_scaffold_config.list.filters[link.filter_name].default_option == link.name
    end
  else
    missing_options, url_options = replaced_action_link_url_options(link, record)
    safe_params = params.to_unsafe_h
    (url_options - safe_params.to_a).blank? && missing_options.all? { |k, _| params[k].nil? }
  end
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 384

def action_link_text(link, record, options)
  if link.image
    title = options[:link] || link.label(record)
    asset = ActiveScaffold::Registry.cache(:link_images, link.image[:name]) { image_path(link.image[:name]) }
    text = image_tag(asset, size: link.image[:size], alt: title, title: title, skip_pipeline: true)
  end
  text || options[:link]
end

setup the action link to inline form



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 183

def action_link_to_inline_form(link, record)
  link = link.dup
  associated = record.send(link.column.association.name)
  if link.column.association&.polymorphic? || link.controller.nil?
    link.controller = controller_path_for_activerecord(associated.class)
    return link if link.controller.nil?
  end
  link = configure_column_link(link, record, associated) if link.action.nil?
  link
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 297

def action_link_url(link, record)
  url = replace_id_params_in_action_link_url(link, record, cached_action_link_url(link, record))
  url = add_query_string_to_cached_url(link, url) if @action_links_urls[link.name_to_cache.to_s]
  url
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 362

def action_link_url_options(link, record)
  url_options = {action: link.action}
  url_options[:id] = '--ID--' unless record.nil?
  url_options[:controller] = link.controller.to_s if link.controller
  url_options.merge! link.parameters if link.parameters
  if link.dynamic_parameters.is_a?(Proc)
    if record.nil?
      url_options.merge! instance_exec(&link.dynamic_parameters)
    else
      url_options.merge! instance_exec(record, &link.dynamic_parameters)
    end
  end
  if link.nested_link?
    url_options_for_nested_link(link.column, record, link, url_options)
  elsif nested?
    url_options[nested.param_name] = '--CHILD_ID--'
  end
  url_options_for_sti_link(link.column, record, link, url_options) unless record.nil? || active_scaffold_config.sti_children.nil?
  url_options[:_method] = link.method if !link.confirm? && link.inline? && link.method != :get
  url_options
end

#add_query_string_to_cached_url(link, url) ⇒ Object



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 286

def add_query_string_to_cached_url(link, url)
  query_string, non_nested_query_string = query_string_for_action_links(link)
  nested_params = !link.nested_link? && non_nested_query_string
  if query_string || nested_params
    url << (url.include?('?') ? '&' : '?')
    url << query_string if query_string
    url << non_nested_query_string if nested_params
  end
  url
end

#cache_action_link?(link) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 253

def cache_action_link?(link)
  active_scaffold_config.user.cache_action_links && link.type == :member
end

Returns:

  • (Boolean)


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 249

def cache_action_link_url?(link, record)
  active_scaffold_config.user.cache_action_link_urls && link.type == :member && !link.dynamic_parameters.is_a?(Proc) && !sti_record?(record)
end

Returns:

  • (Boolean)


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 354

def cache_action_link_url_options?(link, record)
  active_scaffold_config.user.cache_action_link_urls && (link.type == :collection || !link.dynamic_parameters.is_a?(Proc)) && !sti_record?(record)
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 257

def cached_action_link_url(link, record)
  @action_links_urls ||= {}
  @action_links_urls[link.name_to_cache.to_s] || begin
    url_options = cached_action_link_url_options(link, record)
    if cache_action_link_url?(link, record)
      @action_links_urls[link.name_to_cache.to_s] = url_for(url_options)
    else
      url_options.merge! eid: nil, embedded: nil if link.nested_link?
      url_for(params_for(url_options))
    end
  end
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 358

def cached_action_link_url_options(link, record)
  optional_cache_helper(:action_link_url_options, link.name_to_cache.to_s, cache_action_link_url_options?(link, record), link, record)
end

#column_in_params_conditions?(key) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 303

def column_in_params_conditions?(key)
  if key.match?(/!$/)
    conditions_from_params[1..].any? { |node| node.left.name.to_s == key[0..-2] }
  else
    conditions_from_params[0].include?(key)
  end
end

Returns:

  • (Boolean)


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 223

def column_link_authorized?(link, column, record, associated)
  if column.association
    associated_for_authorized =
      if column.association.collection? || associated.nil?
        column.association.klass
      else
        associated
      end
    authorized, reason = associated_for_authorized.authorized_for?(crud_type: link.crud_type, reason: true)
    if link.crud_type == :create && authorized
      authorized, reason = record.authorized_for?(crud_type: :update, column: column.name, reason: true)
    end
    [authorized, reason]
  else
    action_link_authorized?(link, record)
  end
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 194

def configure_column_link(link, record, associated, actions = nil)
  actions ||= link.controller_actions || []
  if column_empty?(associated) # if association is empty, we only can link to create form
    if actions.include?(:new)
      link.action = 'new'
      link.crud_type = :create
      link.label ||= :create_new
    end
  elsif actions.include?(:edit)
    link.action = 'edit'
    link.crud_type = :update
  elsif actions.include?(:show)
    link.action = 'show'
    link.crud_type = :read
  elsif actions.include?(:list)
    link.action = 'index'
    link.crud_type = :read
  end

  unless column_link_authorized?(link, link.column, record, associated)[0]
    link.action = nil
    # if action is edit and is not authorized, fallback to show if it's enabled
    if link.crud_type == :update && actions.include?(:show)
      link = configure_column_link(link, record, associated, [:show])
    end
  end
  link
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 100

def display_action_link(link, content, record, options)
  if content
    html_classes = hover_via_click? ? 'hover_click ' : ''
    if options[:level].zero?
      html_classes += 'action_group'
      group_tag = :div
    else
      html_classes += 'top' if options[:first_action]
      group_tag = :li
    end
    content = (group_tag, class: html_classes.presence, onclick: ('' if hover_via_click?)) do
      (:div, link.label(record), class: link.css_class, title: options[:title]) << (:ul, content)
    end
  else
    content = render_action_link(link, record, options)
    content = (:li, content, class: ('top' if options[:first_action])) unless options[:level].zero?
  end
  content = (options[:level_0_tag], content, options[:options_level_0_tag]) if options[:level].zero? && options[:level_0_tag]
  content
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 68

def display_action_link_group(link, record, options, &)
  if link.click_menu?
    display_click_menu_link(link, record, options)
  else
    options[:level] += 1
    content = display_action_links(link, record, options, &)
    options[:level] -= 1
    display_action_link(link, content, record, options).tap { options[:first_action] = false } if content.present?
  end
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 79

def display_action_link_separator(options)
  tag = options[:level_0_tag] || :a if options[:level].zero?
  (tag || :li, '&nbsp;'.html_safe, class: 'separator')
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 35

def display_action_links(action_links, record, options, &block)
  options[:level_0_tag] ||= nil
  options[:options_level_0_tag] ||= nil
  options[:level] ||= 0
  options[:first_action] = true
  output = options.delete(:output) || ActiveSupport::SafeBuffer.new
  prev_link = separator = nil

  action_links.each(reverse: options.delete(:reverse), groups: true) do |link|
    if link == :separator
      separator = true if prev_link
      next
    end
    content = nil
    if link.is_a? ActiveScaffold::DataStructures::ActionLinks
      content = display_action_link_group(link, record, options, &block) unless link.empty?
    elsif !skip_action_link?(link, *Array(options[:for]))
      authorized, reason = action_link_authorized?(link, *Array(options[:for]))
      next if !authorized && options[:skip_unauthorized]

      content = display_action_link(link, nil, record, options.merge(authorized: authorized, not_authorized_reason: reason))
      options[:first_action] = false
    end
    next if content.blank?

    prev_link = true
    output << display_action_link_separator(options) if separator
    output << content
    separator = false
  end
  output
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 84

def display_click_menu_link(link, record, options)
  action_link =
    if link.path.start_with?('collection.')
      ActiveScaffold::DataStructures::ActionLinks::COLLECTION_CLICK_MENU_LINK
    else
      ActiveScaffold::DataStructures::ActionLinks::MEMBER_CLICK_MENU_LINK
    end
  html = display_action_link(
    action_link,
    nil,
    record,
    options.merge(authorized: true, link: link.label(record), link_id: get_action_link_id(link, record))
  )
  html.gsub('--ACTION-LINKS--', ERB::Util.unwrapped_html_escape(link.path)).html_safe # rubocop:disable Rails/OutputSafety
end

#display_dynamic_action_group(action_link, links, record_or_ul_options = nil, ul_options = nil) ⇒ Object



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 24

def display_dynamic_action_group(action_link, links, record_or_ul_options = nil, ul_options = nil)
  ul_options = record_or_ul_options if ul_options.nil? && record_or_ul_options.is_a?(Hash)
  record = record_or_ul_options unless record_or_ul_options.is_a?(Hash)
  ul_options ||= {}
  ul_options[:class] = [ul_options[:class], 'dynamic-menu'].compact.join(' ')
  html =  :ul, ul_options do
    safe_join(links.map { |link|  :li, link })
  end
  raw "ActiveScaffold.display_dynamic_action_group('#{get_action_link_id action_link, record}', '#{escape_javascript html}');" # rubocop:disable Rails/OutputSafety
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 466

def get_action_link_id(link, record = nil)
  column = link.column unless link.is_a?(ActiveScaffold::DataStructures::ActionLinks)
  if column&.association && record
    associated = record.send(column.association.name) unless column.association.collection?
    id =
      if associated
        "#{column.association.name}-#{associated.id}-#{record.id}"
      else
        "#{column.association.name}-#{record.id}"
      end
  end
  id ||= record&.id&.to_s || (nested? ? nested_parent_id.to_s : '')
  action_link_id = ActiveScaffold::Registry.cache :action_link_id, link.name_to_cache.to_s do
    if link.is_a?(ActiveScaffold::DataStructures::ActionLinks)
      action_link_id(link.path.tr('.', '_'), '--ID--')
    else
      if params[:parent_controller] || (link.controller && link.controller != controller.controller_path)
        controller_id = id_from_controller("#{link.controller}-")
      end
      action_link_id("#{controller_id}#{link.action}", '--ID--')
    end
  end
  action_link_id.sub('--ID--', id)
end

#ignore_param_for_nested?(key) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 311

def ignore_param_for_nested?(key)
  NESTED_PARAMS.include?(key) || column_in_params_conditions?(key) || (nested? && nested.param_name == key)
end

#optional_cache_helper(method, key, cache) ⇒ Object



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 140

def optional_cache_helper(method, key, cache, ...)
  if cache
    ActiveScaffold::Registry.cache(method, key) { send(method, ...) }
  else
    send(method, ...)
  end
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 315

def query_string_for_action_links(link)
  if defined?(@query_string) && link.parameters.none? { |k, _| @query_string_params.include? k }
    return [@query_string, @non_nested_query_string]
  end

  keep = true
  @query_string_params ||= Set.new
  query_string_options = {}
  non_nested_query_string_options = {}

  params_for.except(:controller, :action, :id).each do |key, value|
    @query_string_params << key
    if link.parameters.include? key
      keep = false
      next
    end
    if ignore_param_for_nested?(key)
      non_nested_query_string_options[key] = value
    else
      query_string_options[key] = value
    end
  end
  if nested_singular_association? && action_name == 'index'
    # pass current path as return_to, for nested listing on singular association, so forms doesn't return to parent listing
    @query_string_params << :return_to
    non_nested_query_string_options[:return_to] = request.fullpath
  end

  query_string = query_string_options.to_query if query_string_options.present?
  if non_nested_query_string_options.present?
    non_nested_query_string = "#{'&' if query_string}#{non_nested_query_string_options.to_query}"
  end
  if keep
    @query_string = query_string
    @non_nested_query_string = non_nested_query_string
  end
  [query_string, non_nested_query_string]
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 121

def render_action_link(link, record = nil, options = {})
  if link.action.nil? || link.column&.association&.polymorphic?
    link = action_link_to_inline_form(link, record) if link.column&.association
    options[:authorized] = false if link.action.nil? || link.controller.nil?
    options.delete :link if link.crud_type == :create
  end
  method =
    if link.action.nil? || (link.type == :member && options.key?(:authorized) && !options[:authorized])
      :render_unauthorized_action_link
    else
      :render_authorized_action_link
    end

  cache_link = cache_action_link?(link)
  label = options[:link]
  result = optional_cache_helper(method, link.name_to_cache.to_s, cache_link, link, record, options, cache: cache_link)
  cache_link ? replace_tags_for_action_link(result, method, link, label, record, options) : result
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 174

def render_authorized_action_link(link, record = nil, options = {}, cache: false)
  url = cache ? '--URL--' : action_link_url(link, record)
  options[:link] = '--LABEL--' if cache
  html_options = action_link_html_options(link, record, options, cache: cache)
  html = action_link_html(link, url, html_options, record)
  cache ? html.to_str : html
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 162

def render_unauthorized_action_link(link, record = nil, options = {}, cache: false)
  html_class = "disabled #{link.action}#{" #{link.html_options[:class]}" if link.html_options[:class].present?}"
  options[:link] = '--LABEL--' if cache
  html_options = {
    link: action_link_text(link, record, options),
    class: html_class,
    title: cache ? '--REASON--' : options[:not_authorized_reason]
  }
  html = action_link_html(link, nil, html_options, record)
  cache ? html.to_str : html
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 270

def replace_id_params_in_action_link_url(link, record, url)
  url = record ? url.sub('--ID--', record.to_param.to_s) : url.dup
  if link.column&.association&.singular?
    child_id = record.send(link.column.association.name)&.to_param
    if child_id.present?
      url.sub!('--CHILD_ID--', child_id)
    else
      url.sub!(/\w+=--CHILD_ID--&?/, '')
      url.sub!(/\?$/, '')
    end
  elsif nested?
    url.sub!('--CHILD_ID--', params[nested.param_name].to_s)
  end
  url
end

rubocop:disable Metrics/ParameterLists



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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 148

def replace_tags_for_action_link(html, method, link, label, record, options) # rubocop:disable Metrics/ParameterLists
  case method
  when :render_unauthorized_action_link
    html = html.gsub('--REASON--', ERB::Util.unwrapped_html_escape(options[:not_authorized_reason]))
  when :render_authorized_action_link
    html = html.gsub('--URL--', ERB::Util.unwrapped_html_escape(action_link_url(link, record)))
             .gsub('--LINK_ID--', ERB::Util.unwrapped_html_escape(options[:link_id] || get_action_link_id(link, record)))
             .gsub('--CONFIRM--') { ERB::Util.unwrapped_html_escape(link.confirm(h(record&.to_label))) }
             .gsub('--PROMPT--') { ERB::Util.unwrapped_html_escape(link.prompt(h(record&.to_label))) }
             .gsub('--ACTIVE--') { action_link_selected?(link, record) ? 'active' : '' }
  end
  html&.gsub('--LABEL--', h(label || link.label(record)))&.html_safe # rubocop:disable Rails/OutputSafety
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 393

def replaced_action_link_url_options(link, record)
  url = cached_action_link_url_options(link, record)
  url[:controller] ||= params[:controller]
  missing_options, url_options = url.partition { |_, v| v.nil? }
  replacements = {}
  replacements['--ID--'] = record.id.to_s if record
  if link.column&.association&.singular?
    replacements['--CHILD_ID--'] = record.send(link.column.association.name)&.id.to_s
  elsif nested?
    replacements['--CHILD_ID--'] = params[nested.param_name].to_s
  end
  url_options.collect! do |k, v|
    [k.to_s, replacements[v] || v]
  end
  [missing_options, url_options]
end

#skip_action_link?(link) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 10

def skip_action_link?(link, *)
  !link.ignore_method.nil? && controller.respond_to?(link.ignore_method, true) && controller.send(link.ignore_method, *)
end

#sti_record?(record) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 241

def sti_record?(record)
  return false unless active_scaffold_config.active_record?

  model = active_scaffold_config.model
  record && model.columns_hash.include?(model.inheritance_column) &&
    record[model.inheritance_column].present? && !record.instance_of?(model)
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 501

def url_options_for_nested_link(column, record, link, url_options)
  if column&.association
    url_options[:parent_scaffold] = controller_path
    url_options[column.model.name.foreign_key.to_sym] = url_options.delete(:id)
    url_options[:id] = ('--CHILD_ID--' if column.association.singular? && url_options[:action].to_sym != :index)
  elsif link.parameters&.dig(:named_scope)
    url_options[:parent_scaffold] = controller_path
    url_options[active_scaffold_config.model.name.foreign_key.to_sym] = url_options.delete(:id)
    url_options[:id] = nil
  end
end


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# File 'lib/active_scaffold/helpers/action_link_helpers.rb', line 513

def url_options_for_sti_link(column, record, link, url_options)
  # need to find out controller of current record type and set parameters
  # it's quite difficult to detect an sti link
  # if link.column.nil? we are sure that it isn't a singular association inline autolink
  # however that will not work if a sti parent is a singular association inline autolink
  return unless link.column.nil?
  return if (sti_controller_path = controller_path_for_activerecord(record.class)).nil?

  url_options[:controller] = sti_controller_path
  url_options[:parent_sti] = controller_path
end