Class: Avo::ItemGrapher

Inherits:
Object
  • Object
show all
Defined in:
lib/avo/item_grapher.rb

Overview

Use it like this: Avo::ItemGrapher.new(resource).render(view: :edit)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(item) ⇒ ItemGrapher

Returns a new instance of ItemGrapher.



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# File 'lib/avo/item_grapher.rb', line 6

def initialize(item)
  @item = item
end

Instance Attribute Details

#item ⇒ Object (readonly)

Returns the value of attribute item.



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# File 'lib/avo/item_grapher.rb', line 4

def item
  @item
end

Instance Method Details

#decode_item(item) ⇒ Object 



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# File 'lib/avo/item_grapher.rb', line 10

def decode_item(item)
  result = ""
  result << "──" * (item[:level])
  result << "→"
  result << item[:id]
  if item[:items].present?
    item[:items].each do |itm|
      result << "<br />"
      result << decode_item(itm)
    end

  end
  result
end

#render(**args) ⇒ Object 



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# File 'lib/avo/item_grapher.rb', line 70

def render(**args)
  result = unwrap(item, **args)
    .map do |item|
      decode_item(item)
    end
    .join("<br />")
  "<pre>#{result}</pre>".html_safe
end

#unwrap(i, level = 0, view: :show) ⇒ Object 



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# File 'lib/avo/item_grapher.rb', line 25

def unwrap(i, level = 0, view: :show)
  result = []

  i.items.each do |item|
    label = ""
    label << item.class.name.demodulize
    label << " "
    if item.respond_to?(:name)
      label << "{#{item.name}}"
      label << " "
    end
    label << (item.hydrate(view: view).visible_in_view?(view: view) ? "visible" : "invisible")
    if item.class.ancestors.include?(Avo::Concerns::HasItems)
      if item.visible_items.present?
        label << " | HAS_ITEMS #{item.visible_items.count} items"
        # abort item.visible_items.inspect
        label << item.visible_items.map(&:class).inspect
      else
        label << " | DOES_NOT_HAVE_ITEMS"
      end
    end
    if item.respond_to?(:is_empty?)
      label << " "
      label << (item.is_empty? ? "[IS EMPTY!]" : "[#{item.visible_items.count}]")
    end
    payload = if item.respond_to?(:items) && item.items.present?
      {
        id: label,
        items: unwrap(item, level + 1),
      }
    else
      {
        id: label
      }
    end

    result << {
      **payload,
      level: level,
    }
  end

  result
end