On 5 Feb 2011, at 18:09, Filippos <[email protected]> wrote:
> Hello > > Finished reading chapter 9 and im a little bit confused. > Not familiar with that particular tutorial but ... > 1. In the tutorial, Modules are used instead of creating a Model and > working in a class inside a module , like in authenticating passwords. > Wouldn't that be possible? Or is it unnecessary since we're not > messing with a database in terms of storing data? Not sure what you are getting at there. > > 2. what is the difference between session[:remember_token] = user.id > and cookies[:remember_token] ? > Session stores the cookie locally until we exit the browser and then > it gets deleted whereas cookies is permanent stored even after we exit > the browser? Sessions are stored using cookies (either in the cookie itself or by having a cookie that points at something in the database or memcache). The cookie supporting a session is set to expire when the browser quits whereas 'normal' cookies need not be. Also, rails handles serialising arbitrary ruby objects into the session, I don't think it will do that for cookie values. > > 3. In section 9.3.3 we are being introduced to the curent user with > the code in the module SessionsHelper > self.current_user = user > > Why do we use the "self"? and not just current_user since we use it as > a variable object and not as an object attribute ? Or is it a way to > say sessions.current_user = user ? > If you didn't then it would just be creating a local variable called current_user, rather than calling the current_user= method > 4. What's the purpose of def current_user=(user) and of def > current_user in listing 9.16 ? Couldnt we avoid all that using a > single method? One's the setter method, the other is the getter. Doesn't seem like much point is combining the two. Fred > > Thank you in advance! > > -- > You received this message because you are subscribed to the Google Groups > "Ruby on Rails: Talk" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/rubyonrails-talk?hl=en. > -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
