Rails - Jan 2008 - Rails versions and documentation, confused learning rails

Okay, I am new to rails. I see that the new release of rails does not apply
to anything on the site with regards to tutorials including screencasts.

What I don''t understand is how I am suppose to learn Rails 2.0 if there
is
no docmentation for it. I did see that on peepcode there is a pdf for what
has changed but how does that help me?

How do I get an understanding of the design principles of rails 2.0 using
"ReST". Is this what has changed from 1.2.6 in 2.0?

I guess I don''t understand Rails 2.0 design philosophy since I
don''t
understand Rest. So does that mean I have to learn ReST before I learn Rails
2.0? Also, can someone please tell me a very generic layman approach to what
exactly ReST is? I mean I have read some docs on the internet and it totally
confuses the heck out of me.

Is there any "Getting Started with Rails 2.0" tutorials out there? It
seems
to me to be a big shame that the AWDWR book is based on rails 1x yet Rails
2.0 is suppose to be what you should use if created a new Rails app. So with
all that is on the internet with regards to Rails documentation it seems
like there is actually 3 different frameworks "rails 1.1, rails 1.2, rails
2.x"

Somone please tell a newb how to make sense out of all this?

How am I suppose to figure out what my URL''s are suppose to look like
(ReSTFully) if there is not any documentation for a newb wanting to learn
rails 2.0. Maybe there is docs, and I am just missing it.

I surely hope that the answer to learning Rails is not to force me to go buy
$9.00 videos from peepcode. Maybe Rails-core can make their own
videos/screencasts for free, to entice us coming from PHP to learn rails..
and those just wanting to learn rails a FREE way to learn it.

I really do want to learn rails, but how do I with regards to the above?

Regards,

Pitcher

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I''m not sure about the version differences and I doubt much can change 
in THEORY of how RESTful applications work but I''m just a lowly noob so
bear with me.  You might find this useful: 
http://railscasts.com/episodes;archive check out numbers 34 - Named 
Routes and 35 - Custom REST Actions.

Like you I''ve spent a lot of time trying to understand REST and it made
no sense at all to begin with but little by little it''s becoming 
clearer.  I think the only way to get a real handle on it is to use it. 
I found the videos really helpful, the guy explains things so clearly.

When you start to get an idea of what''s going on you might also find 
this helpful: topfunky.com/clients/peepcode/REST-cheatsheet.pdf  (if 
you''re anything like me that''ll just confuse you until you
start to
grasp the concepts)

hope this helps.
-- 
Posted via http://www.ruby-forum.com/.

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Thanks, that is a great start. I am glad to see I am not the only one
struggling here.

On Jan 27, 2008 6:01 PM, Phil Tayo
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org> wrote:
>
> I''m not sure about the version differences and I doubt much can
change
> in THEORY of how RESTful applications work but I''m just a lowly
noob so
> bear with me.  You might find this useful:
> http://railscasts.com/episodes;archive check out numbers 34 - Named
> Routes and 35 - Custom REST Actions.
>
> Like you I''ve spent a lot of time trying to understand REST and it
made
> no sense at all to begin with but little by little it''s becoming
> clearer.  I think the only way to get a real handle on it is to use it.
> I found the videos really helpful, the guy explains things so clearly.
>
> When you start to get an idea of what''s going on you might also
find
> this helpful: topfunky.com/clients/peepcode/REST-cheatsheet.pdf  (if
> you''re anything like me that''ll just confuse you until
you start to
> grasp the concepts)
>
> hope this helps.
> --
> Posted via http://www.ruby-forum.com/.
>
> >
>
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I''m really surprised that nobody took the time to clear this up for a
beginner. Oh well.

On Sun, Jan 27, 2008 at 7:24 PM, Mikey Pitcher
<mikey.pitcher-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:
> Thanks, that is a great start. I am glad to see I am not the only one
> struggling here.
>
>
> On Jan 27, 2008 6:01 PM, Phil Tayo
<rails-mailing-list-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
> wrote:
>
> >
> > I''m not sure about the version differences and I doubt much
can change
> > in THEORY of how RESTful applications work but I''m just a
lowly noob so
> > bear with me.  You might find this useful:
> > http://railscasts.com/episodes;archive check out numbers 34 - Named
> > Routes and 35 - Custom REST Actions.
> >
> > Like you I''ve spent a lot of time trying to understand REST
and it made
> > no sense at all to begin with but little by little it''s
becoming
> > clearer.  I think the only way to get a real handle on it is to use
it.
> > I found the videos really helpful, the guy explains things so clearly.
> >
> > When you start to get an idea of what''s going on you might
also find
> > this helpful: topfunky.com/clients/peepcode/REST-cheatsheet.pdf  (if
> > you''re anything like me that''ll just confuse you
until you start to
> > grasp the concepts)
> >
> > hope this helps.
> > --
> > Posted via http://www.ruby-forum.com/.
> >
> > > >
> >
>
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I will do my best to explain what REST (specifically the rails version 
which is one implementation of the overall principle) means to me.

For me, when I contrast REST development to non-REST development, only a 
few things stand out. However, to understand REST in rails you must also 
understand developing in rails in general.

Nevertheless, the two big REST differences in my opinion come down to 
thinking of an application as being ''resource'' oriented. In
other words,
''resources'' are the focal point of any REST application. A
resource can
be anything (either database backed or not) that contains information 
used in the application. "Posts" or "Users" or
"Schools" or whatever
else you represent digitally can be a resource.

A RESTful application is all about creating, updating, deleting, and 
displaying these resources in a variety of formats and based on a 
variety of criteria. This is where the notion of CRUD comes in. 
Essentially, thinking of an application as applying a small set of 
actions to various resources.

What are the actions applied? Well, this is where the REST actions come 
in. RESTful rails is all about keeping the application structured with 
conventions on how resources are handled. Most notably, the actions are:


SHOW - a specific is shown to the user with detail in some format
NEW  - a user is presented with a method to add a new resource
CREATE - the actual method responsible for creating a resource
EDIT -  a user is presented with a method to change details for a 
resource
UPDATE - the actual method responsible for updating the data for the 
resource
DESTROY - a method responsible for deleting resources
INDEX - a list of resources is shown (either all resources or a subset 
of them)

These actions are the basic cornerstone of any RESTful rails 
application.

The combination of thinking in terms of resources, using conventional 
actions, and usually providing several formats for any data make up the 
major aspects of RESTful development.

Of course, because you are being a good boy, Rails will provide you with 
a plethora of conveniences to reward you.

For instance, REST makes routing easy:

map.resource :posts

will automatically create all the routes to all your various CRUD 
actions and appropriately name the urls so you can easily reference them 
within the application.

Also, REST will provide a consistent interface which allows creating 
API''s rather easily. The whole idea of REST is to be able to provide 
data responses in HTML or in JSON or in XML or in RSS, etc based on the 
users needs and allowing them to read and modify resources in the 
application.

Hope that helps a little bit,

- Nathan
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