Controllers

The following methods can be called in the controller:

• Params - Supplies all page params. Can be used as:

  params["name_of_param"]

• Render - Renders a view. Accepts view name as symbol.

  render :index

• Authenticate - Verifies a password Accepts password as parameter.

  authenticate(your_password)

• Sessions: Used to store values that you want to persist until they are destroyed or users logs out. Stores a value with the key passed into it.

  session["user_id"] = 1

  Session values can be deleted by calling the clear method on it.

• Redirect_to: redirects to the given URI. To redirect to the root, use:

  redirect_to /