I want a method in app/controllers/application.rb that can
prepend/append text to whatever template gets rendered. Of course I
can't call render twice w/o getting a double render error, so is this
possible?
I want to redirect after a delay using a meta refresh. Here's what I've
got:
app/controllers/application_controller.rb:
def redirect_after_delay (url, delay)
@redirect_delay = delay
@redirect_url = url
render
end
app/views/layouts/application.html.erb
<!DOCTYPE html>
<html lang="en">
<head>
<%= yield :refresh_tag %>
</head>
<body>
<%= yield %>
</body>
</html>
So then if I want to add a redirect-after-delay, I add the following to
1) my controller and 2) the action's view:
app/controllers/my_controller.rb
def my_action
redirect_after_delay 'http://www.google.com', 3 if some_condition
end
app/views/my_controller/my_action.html.erb
<% content_for :refresh_tag do %>
<meta http-equiv='refresh'
content='<%...@redirect_delay%>;url=<%...@redirect_url%>'>
<% end %>
<h1>Please wait while you are redirected...</h1>
Since the content_for block never changes, would be nice to just call
something from the redirect_after_delay method to add it to whatever
template is going to be rendered.
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