Class: LcpRuby::Presenter::BreadcrumbBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/lcp_ruby/presenter/breadcrumb_builder.rb

Defined Under Namespace

Classes: Crumb

Constant Summary collapse

MAX_DEPTH = 
5

Instance Method Summary collapse

Constructor Details

#initialize(view_group:, record:, action:, path_helper:, page: nil) ⇒ BreadcrumbBuilder

Returns a new instance of BreadcrumbBuilder.



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# File 'lib/lcp_ruby/presenter/breadcrumb_builder.rb', line 14

def initialize(view_group:, record:, action:, path_helper:, page: nil)
  @view_group = view_group
  @record = record
  @action = action
  @path_helper = path_helper
  @page = page
end

Instance Method Details

#build ⇒ Object 



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# File 'lib/lcp_ruby/presenter/breadcrumb_builder.rb', line 22

def build
  return [] if @view_group && !@view_group.breadcrumb_enabled?

  crumbs = []
  crumbs << home_crumb

  if @record && @view_group&.breadcrumb_relation
    root_model_def = LcpRuby.loader.model_definition(@view_group.model)
    parent_chain = parent_crumbs(@view_group, @record, 0, model_def: root_model_def)
    if self_referential_breadcrumb?(root_model_def)
      crumbs << current_list_crumb
      crumbs.concat(parent_chain)
    else
      crumbs.concat(parent_chain)
      crumbs << current_list_crumb
    end
  else
    crumbs << current_list_crumb
  end

  if @record&.persisted?
    crumbs << record_crumb
  end

  if %w[edit new].include?(@action)
    crumbs << action_crumb
  end

  crumbs.last.current = true if crumbs.any?
  crumbs
end