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felipekk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org

2007-Dec-09 22:14 UTC

Help on drying code

Hi all,

Currently I''m having to do this:

def self.authorized_roles(controller, action)
    specific = self.find_by_controller_and_action(controller, action)
    all_actions = self.find_by_controller_and_action(controller,
''*'')
    all_controllers = self.find_by_controller(''*'')
    role_ids = []
    specific.each do |role_item|
      role_ids << role_item.role_id
    end
    all_actions.each do |role_item|
      role_ids << role_item.role_id
    end
    all_controllers.each do |role_item|
      role_ids << role_item.role_id
    end
    role_ids.flatten.uniq
  end

which of course is not DRY at all.

I could not find how to merge class instances (specific, all_actions
and all_controllers) or how to make only one find to use the selection
statements above (at least not in a easy to read way)

It would be better if I could do something like:

def self.authorized_roles(controller, action)
    specific = self.find_by_controller_and_action(controller, action)
    all_actions = self.find_by_controller_and_action(controller,
''*'')
    all_controllers = self.find_by_controller(''*'')
    #
    # MAGIC
    #
    role_ids = []
    role_items do |role_item|
      role_ids << role_item.role_id
    end
    role_ids.flatten.uniq
  end

Thanks!
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Old Echo

2007-Dec-09 22:33 UTC

head link

Re: Help on drying code

Hi there,
I don''t know if this will fulfill your needs, but maybe you could try 
this:

def self.authorized_roles(controller, action)
     specific = self.find_by_controller_and_action(controller, action)
     all_actions = self.find_by_controller_and_action(controller,
''*'')
     all_controllers = self.find_by_controller(''*'')
     role_items = specific << all_actions << all_controllers
     role_ids = []
     role_items.each do |role_item|
       role_ids << role_item.role_id
     end
     role_ids.flatten.uniq
   end

Best,
kodama

felipekk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org wrote:> Hi all,
> 
> Currently I''m having to do this:
> 
> def self.authorized_roles(controller, action)
>     specific = self.find_by_controller_and_action(controller, action)
>     all_actions = self.find_by_controller_and_action(controller,
''*'')
>     all_controllers = self.find_by_controller(''*'')
>     role_ids = []
>     specific.each do |role_item|
>       role_ids << role_item.role_id
>     end
>     all_actions.each do |role_item|
>       role_ids << role_item.role_id
>     end
>     all_controllers.each do |role_item|
>       role_ids << role_item.role_id
>     end
>     role_ids.flatten.uniq
>   end
> 
> which of course is not DRY at all.
> 
> I could not find how to merge class instances (specific, all_actions
> and all_controllers) or how to make only one find to use the selection
> statements above (at least not in a easy to read way)
> 
> It would be better if I could do something like:
> 
> def self.authorized_roles(controller, action)
>     specific = self.find_by_controller_and_action(controller, action)
>     all_actions = self.find_by_controller_and_action(controller,
''*'')
>     all_controllers = self.find_by_controller(''*'')
>     #
>     # MAGIC
>     #
>     role_ids = []
>     role_items do |role_item|
>       role_ids << role_item.role_id
>     end
>     role_ids.flatten.uniq
>   end
> 
> Thanks!
-- 
Posted via http://www.ruby-forum.com/.

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felipekk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org

2007-Dec-09 22:45 UTC

head link

Re: Help on drying code

Thanks for your fast response.

Unfortunately, it does not work for instances that contain only one
object.

If self.find_by_controller_and_action(...) returns only one object,
then it does not have the method <<.

(s and ri are RoleItems here)>> s << riNoMethodError: undefined method `<<'' for
#<RoleItem:0x34b3a04>


On Dec 9, 2:33 pm, Old Echo
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:> Hi there,
> I don''t know if this will fulfill your needs, but maybe you could
try
> this:
>
> def self.authorized_roles(controller, action)
>      specific = self.find_by_controller_and_action(controller, action)
>      all_actions = self.find_by_controller_and_action(controller,
''*'')
>      all_controllers = self.find_by_controller(''*'')
>      role_items = specific << all_actions << all_controllers
>      role_ids = []
>      role_items.each do |role_item|
>        role_ids << role_item.role_id
>      end
>      role_ids.flatten.uniq
>    end
>
> Best,
> kodama
>
>
>
> felip...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org wrote:
> > Hi all,
>
> > Currently I''m having to do this:
>
> > def self.authorized_roles(controller, action)
> >     specific = self.find_by_controller_and_action(controller, action)
> >     all_actions = self.find_by_controller_and_action(controller,
''*'')
> >     all_controllers = self.find_by_controller(''*'')
> >     role_ids = []
> >     specific.each do |role_item|
> >       role_ids << role_item.role_id
> >     end
> >     all_actions.each do |role_item|
> >       role_ids << role_item.role_id
> >     end
> >     all_controllers.each do |role_item|
> >       role_ids << role_item.role_id
> >     end
> >     role_ids.flatten.uniq
> >   end
>
> > which of course is not DRY at all.
>
> > I could not find how to merge class instances (specific, all_actions
> > and all_controllers) or how to make only one find to use the selection
> > statements above (at least not in a easy to read way)
>
> > It would be better if I could do something like:
>
> > def self.authorized_roles(controller, action)
> >     specific = self.find_by_controller_and_action(controller, action)
> >     all_actions = self.find_by_controller_and_action(controller,
''*'')
> >     all_controllers = self.find_by_controller(''*'')
> >     #
> >     # MAGIC
> >     #
> >     role_ids = []
> >     role_items do |role_item|
> >       role_ids << role_item.role_id
> >     end
> >     role_ids.flatten.uniq
> >   end
>
> > Thanks!
>
> --
> Posted viahttp://www.ruby-forum.com/.--~--~---------~--~----~------------~-------~--~----~
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
rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org
To unsubscribe from this group, send email to
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Ryan Bigg

2007-Dec-09 22:46 UTC

head link

Re: Help on drying code

Then do find_all_by_controller_and_action then?

---------- Forwarded message ----------
From: felipekk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
<felipekk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Date: Dec 10, 2007 9:15 AM
Subject: [Rails] Re: Help on drying code
To: "Ruby on Rails: Talk"
<rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>



Thanks for your fast response.

Unfortunately, it does not work for instances that contain only one
object.

If self.find_by_controller_and_action(...) returns only one object,
then it does not have the method <<.

(s and ri are RoleItems here)>> s << riNoMethodError: undefined method `<<'' for
#<RoleItem:0x34b3a04>


On Dec 9, 2:33 pm, Old Echo
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:> Hi there,
> I don''t know if this will fulfill your needs, but maybe you could
try
> this:
>
> def self.authorized_roles(controller, action)
>      specific = self.find_by_controller_and_action(controller, action)
>      all_actions = self.find_by_controller_and_action(controller,
''*'')
>      all_controllers = self.find_by_controller(''*'')
>      role_items = specific << all_actions << all_controllers
>      role_ids = []
>      role_items.each do |role_item|
>        role_ids << role_item.role_id
>      end
>      role_ids.flatten.uniq
>    end
>
> Best,
> kodama
>
>
>
> felip...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org wrote:
> > Hi all,
>
> > Currently I''m having to do this:
>
> > def self.authorized_roles(controller, action)
> >     specific = self.find_by_controller_and_action(controller, action)
> >     all_actions = self.find_by_controller_and_action(controller,
''*'')
> >     all_controllers = self.find_by_controller(''*'')
> >     role_ids = []
> >     specific.each do |role_item|
> >       role_ids << role_item.role_id
> >     end
> >     all_actions.each do |role_item|
> >       role_ids << role_item.role_id
> >     end
> >     all_controllers.each do |role_item|
> >       role_ids << role_item.role_id
> >     end
> >     role_ids.flatten.uniq
> >   end
>
> > which of course is not DRY at all.
>
> > I could not find how to merge class instances (specific, all_actions
> > and all_controllers) or how to make only one find to use the selection
> > statements above (at least not in a easy to read way)
>
> > It would be better if I could do something like:
>
> > def self.authorized_roles(controller, action)
> >     specific = self.find_by_controller_and_action(controller, action)
> >     all_actions = self.find_by_controller_and_action(controller,
''*'')
> >     all_controllers = self.find_by_controller(''*'')
> >     #
> >     # MAGIC
> >     #
> >     role_ids = []
> >     role_items do |role_item|
> >       role_ids << role_item.role_id
> >     end
> >     role_ids.flatten.uniq
> >   end
>
> > Thanks!
>
> --
> Posted viahttp://www.ruby-forum.com/.



-- 
Ryan Bigg
http://www.frozenplague.net

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felipekk-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org

2007-Dec-09 23:14 UTC

head link

Re: Help on drying code

I should have had that find_all there since the beginning...

Anyway, the new code, a little more DRY is

def self.authorized_roles(controller, action)
    role_items = self.find_all_by_controller_and_action(controller,
action)
    role_items << self.find_all_by_controller_and_action(controller,
''*'')
    role_items << self.find_all_by_controller(''*'')
    role_ids = []
    begin
      role_items.flatten.each do |role_item|
        role_ids << role_item.role_id
      end
    rescue
      nil
    end
    role_ids.uniq
  end

I had to add that flatten on role_items.each, because it would not
work otherwise.

Thanks a lot!

On Dec 9, 2:46 pm, "Ryan Bigg"
<radarliste...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
wrote:> Then do find_all_by_controller_and_action then?
>
> ---------- Forwarded message ----------
> From: felip...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org
<felip...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
> Date: Dec 10, 2007 9:15 AM
> Subject: [Rails] Re: Help on drying code
> To: "Ruby on Rails: Talk"
<rubyonrails-talk-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
>
> Thanks for your fast response.
>
> Unfortunately, it does not work for instances that contain only one
> object.
>
> If self.find_by_controller_and_action(...) returns only one object,
> then it does not have the method <<.
>
> (s and ri are RoleItems here)
> >> s << ri
> NoMethodError: undefined method `<<'' for
#<RoleItem:0x34b3a04>
>
> On Dec 9, 2:33 pm, Old Echo
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org> wrote:
> > Hi there,
> > I don''t know if this will fulfill your needs, but maybe you
could try
> > this:
>
> > def self.authorized_roles(controller, action)
> >      specific = self.find_by_controller_and_action(controller, action)
> >      all_actions = self.find_by_controller_and_action(controller,
''*'')
> >      all_controllers = self.find_by_controller(''*'')
> >      role_items = specific << all_actions <<
all_controllers
> >      role_ids = []
> >      role_items.each do |role_item|
> >        role_ids << role_item.role_id
> >      end
> >      role_ids.flatten.uniq
> >    end
>
> > Best,
> > kodama
>
> > felip...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org wrote:
> > > Hi all,
>
> > > Currently I''m having to do this:
>
> > > def self.authorized_roles(controller, action)
> > >     specific = self.find_by_controller_and_action(controller,
action)
> > >     all_actions = self.find_by_controller_and_action(controller,
''*'')
> > >     all_controllers =
self.find_by_controller(''*'')
> > >     role_ids = []
> > >     specific.each do |role_item|
> > >       role_ids << role_item.role_id
> > >     end
> > >     all_actions.each do |role_item|
> > >       role_ids << role_item.role_id
> > >     end
> > >     all_controllers.each do |role_item|
> > >       role_ids << role_item.role_id
> > >     end
> > >     role_ids.flatten.uniq
> > >   end
>
> > > which of course is not DRY at all.
>
> > > I could not find how to merge class instances (specific,
all_actions
> > > and all_controllers) or how to make only one find to use the
selection
> > > statements above (at least not in a easy to read way)
>
> > > It would be better if I could do something like:
>
> > > def self.authorized_roles(controller, action)
> > >     specific = self.find_by_controller_and_action(controller,
action)
> > >     all_actions = self.find_by_controller_and_action(controller,
''*'')
> > >     all_controllers =
self.find_by_controller(''*'')
> > >     #
> > >     # MAGIC
> > >     #
> > >     role_ids = []
> > >     role_items do |role_item|
> > >       role_ids << role_item.role_id
> > >     end
> > >     role_ids.flatten.uniq
> > >   end
>
> > > Thanks!
>
> > --
> > Posted viahttp://www.ruby-forum.com/.
>
> --
> Ryan Bigghttp://www.frozenplague.net--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google Groups
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