Module: Dao::Errors2Html

Defined in:
lib/dao/errors2html.rb

Defined Under Namespace

Classes: View

Class Method Summary collapse

Class Method Details

.flatten(hashlike) ⇒ Object 



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# File 'lib/dao/errors2html.rb', line 69

def Errors2Html.flatten(hashlike)
  case hashlike
    when Map
      hash = Hash.new
      hashlike.depth_first_each do |key, value|
        _ = key.pop if key.last.is_a?(Integer)
        (hash[key] ||= []).push(value)
      end
      hash
    else
      hashlike.respond_to?(:to_hash) ? hashlike.to_hash : hashlike
  end
end

.to_html(*args) ⇒ Object 



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# File 'lib/dao/errors2html.rb', line 21

def Errors2Html.to_html(*args)
  if args.size == 1
    case args.first
      when Array, String, Symbol
        messages = Array(args.first)
        args = [{:base => messages}]
    end
  end

  args.flatten!
  args.compact!

  at_least_one_error = false

  errors = Map.new
  errors[:global] = []
  errors[:fields] = {} 

  args.each do |e|
    flatten(e).each do |key, messages|
      Array(messages).each do |message|
        at_least_one_error = true
        message = message.to_s.html_safe

        if Array(key).join =~ /\A(?:[*]|base)\Z/iomx
          errors.global.push(message).uniq!
        else
          (errors.fields[key] ||= []).push(message).uniq!
        end
      end
    end
  end

  return "" unless at_least_one_error

  locals = {
    :errors => errors,
    :global_errors => errors.global,
    :fields_errors => errors.fields
  }

  if template
    View.render(:template => template, :locals => locals, :layout => false)
  else
    View.render(:inline => inline, :locals => locals, :layout => false)
  end
end