Module: Decidim::ActionAuthorizationHelper

Defined in:
app/helpers/decidim/action_authorization_helper.rb

Instance Method Summary collapse

Instance Method Details

#action_authorization_modal(action) ⇒ Object

Public: Renders a modal that explains why she can’t perform an action, if that’s the case. The modal isn’t shown by default, and it’s usually triggered by ‘action_authorized_link_to` or `action_authorized_button_to`.

action - The action to authenticate against.

Returns a String with the modal.



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# File 'app/helpers/decidim/action_authorization_helper.rb', line 12

def action_authorization_modal(action)
  render partial: "decidim/shared/action_authorization_modal",
         locals: { action: action.to_s }
end

#action_authorized_button_to(action, *arguments, &block) ⇒ Object

Public: Emulates a ‘button_to` but conditionally renders a popup modal blocking the action in case the user isn’t allowed to perform it.

action - The name of the action to authorize against. *arguments - A regular set of arguments that would be provided to

`button_to`.

Returns a String with the button.



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# File 'app/helpers/decidim/action_authorization_helper.rb', line 58

def action_authorized_button_to(action, *arguments, &block)
  if block_given?
    body = block
    url = arguments[0]
    html_options = arguments[1] || {}
  else
    body = arguments[0]
    url = arguments[1]
    html_options = arguments[2] || {}
  end

  unless current_user_authorized?(action)
    html_options["data-toggle"] = current_user ? "#{action.to_s.underscore}AuthorizationModal" : "loginModal"
    url = ""
  end

  html_options["onclick"] = "event.preventDefault();" if url == ""

  if block_given?
    button_to(url, html_options, &body)
  else
    button_to(body, url, html_options)
  end
end

#action_authorized_link_to(action, *arguments, &block) ⇒ Object

Public: Emulates a ‘link_to` but conditionally renders a popup modal blocking the action in case the user isn’t allowed to perform it.

action - The name of the action to authorize against. *arguments - A regular set of arguments that would be provided to

`link_to`.

Returns a String with the link.



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# File 'app/helpers/decidim/action_authorization_helper.rb', line 25

def action_authorized_link_to(action, *arguments, &block)
  if block_given?
    body = block
    url = arguments[0]
    html_options = arguments[1]
  else
    body = arguments[0]
    url = arguments[1]
    html_options = arguments[2]
  end

  unless current_user_authorized?(action)
    html_options ||= {}
    html_options["onclick"] = "event.preventDefault();"
    html_options["data-toggle"] = current_user ? "#{action.to_s.underscore}AuthorizationModal" : "loginModal"
    url = ""
  end

  if block_given?
    link_to(url, html_options, &body)
  else
    link_to(body, url, html_options)
  end
end