Class: Marty::ReportForm

Inherits:
Form
  • Object
show all
Defined in:
app/components/marty/report_form.rb

Constant Summary

Constants included from Permissions

Permissions::ALL_ROLES, Permissions::REQ_ROLES

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Permissions

#can_perform_action?, #can_perform_actions, #current_user_roles, #has_any_perm?, #has_marty_permissions

Class Method Details

.get_report_engine(params) ⇒ Object 



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# File 'app/components/marty/report_form.rb', line 33

def self.get_report_engine(params)
  d_params = ActiveSupport::JSON.decode(params[:data] || "{}")
  d_params.each_pair do |k,v|
    d_params[k] = nil if v.blank? || v == "null"
  end

  tag_id      = d_params.delete("selected_tag_id")
  script_name = d_params.delete("selected_script_name")
  node        = d_params.delete("selected_node")

  engine = Marty::ScriptSet.new(tag_id).get_engine(script_name)

  roles = engine.evaluate(node, "roles", {}) rescue nil

  if roles && !roles.any?{ |r| Marty::User.has_role(r) }
    # insufficient permissions
    return []
  end

  d_params["p_title"] ||= engine.evaluate(node, "title", {}).to_s

  [engine, d_params, node]
end

.run_eval(params) ⇒ Object 



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# File 'app/components/marty/report_form.rb', line 57

def self.run_eval(params)
  engine, d_params, node = get_report_engine(params)

  raise "Insufficient permissions" unless engine
  raise "no selected report node" unless String === node

  begin
    engine.evaluate(node, "result", d_params)
  rescue => exc
    Marty::Util.logger.error "run_eval failed: #{exc.backtrace}"

    res = Delorean::Engine.grok_runtime_exception(exc)
    res["backtrace"] =
      res["backtrace"].map {|m, line, fn| "#{m}:#{line} #{fn}"}.join('\n')
    res
  end
end

Instance Method Details

#configure(c) ⇒ Object 



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# File 'app/components/marty/report_form.rb', line 203

def configure(c)
  super

  unless root_sess[:selected_script_name] && root_sess[:selected_node]
    c.title = "No Report selected."
    return
  end

  begin
    sset = Marty::ScriptSet.new(root_sess[:selected_tag_id])
    engine = sset.get_engine(root_sess[:selected_script_name])

    raise engine.to_s if engine.is_a?(Hash)

    items, title, format = engine.
      evaluate(root_sess[:selected_node],
                     ["form", "title", "format"],
                     {},
                     )

    raise "bad form items" unless items.is_a?(Array)
    raise "bad format" unless
      Marty::ContentHandler::GEN_FORMATS.member?(format)

  rescue => exc
    c.title = "ERROR"
    c.items =
      [
       {
         field_label: 'Exception',
         xtype:       :displayfield,
         name:        'displayfield1',
         value:       "<span style=\"color:red;\">#{exc}</span>"
       },
      ]
    return
  end

  # if there's a background_only flag, we disable the foreground submit
  background_only =
    engine.evaluate(root_sess[:selected_node], "background_only") rescue nil

  items = Marty::Xl.symbolize_keys(eval_form_items(engine, items), ':')

  items = [{html: "<br><b>No input is needed for this report.</b>"}] if
    items.empty?

  # add hidden fields for selected tag/script/node
  items += [:selected_tag_id,
            :selected_script_name,
            :selected_node,
            # just for testing
            :selected_testing,
           ].map { |f|
    {
      name:   f,
      xtype:  :textfield,
      hidden: true,
      value:  root_sess[f],
    }
  }

  c.items              = items
  c.repformat          = format
  c.title              = "Generate: #{title}-#{sset.tag.name}"
  c.reptitle           = title
  c.authenticity_token = controller.send(:form_authenticity_token)

  [:foreground, :link].each{|a| actions[a].disabled = !!background_only}
end

#default_bbar ⇒ Object 



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# File 'app/components/marty/report_form.rb', line 25

def default_bbar
  [
    '->', :apply, :foreground, :link
  ]
end

#eval_form_items(engine, items) ⇒ Object 



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# File 'app/components/marty/report_form.rb', line 179

def eval_form_items(engine, items)
  case items
  when Array
    items.map {|x| eval_form_items(engine, x)}
  when Hash
    items.each_with_object({}) { |(key, value), result|
      result[key] = eval_form_items(engine, value)
    }
  when String
    items.starts_with?(':') ? items[1..-1].to_sym : items
  when Class
    raise "bad value in form #{items}" unless
      items < Delorean::BaseModule::BaseClass

    attrs = engine.enumerate_attrs_by_node(items)

    engine.eval_to_hash(items, attrs, {})
  when Numeric, TrueClass, FalseClass
    items
  else
    raise "bad value in form #{items}"
  end
end