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MyMerb  
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 More options Sep 26 2008, 4:14 am
From: MyMerb <mym...@gmail.com>
Date: Fri, 26 Sep 2008 01:14:53 -0700 (PDT)
Local: Fri, Sep 26 2008 4:14 am
Subject: Scaffolding in Merb... Any Tutorial available
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Hi,

I an currently in my learning process for Merb and Active Record.

So far... I have not seen any tutorial on Scaffolding in Merb.

Can few experienced folks point me out few good links or Blogs or
Tutorials on this subject.

Thanks


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Michael Klishin  
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 More options Sep 26 2008, 4:16 am
From: "Michael Klishin" <michael.s.klis...@gmail.com>
Date: Fri, 26 Sep 2008 11:16:53 +0300
Local: Fri, Sep 26 2008 4:16 am
Subject: Re: [merb] Scaffolding in Merb... Any Tutorial available
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2008/9/26 MyMerb <mym...@gmail.com>:

> So far... I have not seen any tutorial on Scaffolding in Merb.

run merb-gen without arguments to see generators available on your system.
Additional gems may provide their own generators.
--
MK

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Matt Aimonetti  
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 More options Sep 26 2008, 8:06 pm
From: "Matt Aimonetti" <mattaimone...@gmail.com>
Date: Fri, 26 Sep 2008 17:06:40 -0700
Local: Fri, Sep 26 2008 8:06 pm
Subject: Re: [merb] Re: Scaffolding in Merb... Any Tutorial available
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FYI and to add to what Michael just said:

merb-gen resource Bird name:string color:string family_id:integer
last_location:string last_seen_at:datetime

merb-gen AR template uses  the same syntax as Rails generator.

-Matt

On Fri, Sep 26, 2008 at 1:16 AM, Michael Klishin <


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Arun  
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 More options Nov 12 2008, 3:26 pm
From: Arun <arun.gu...@gmail.com>
Date: Wed, 12 Nov 2008 12:26:40 -0800 (PST)
Local: Wed, Nov 12 2008 3:26 pm
Subject: Re: Scaffolding in Merb... Any Tutorial available
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> merb-gen resource Bird name:string color:string family_id:integer
> last_location:string last_seen_at:datetime

"merb-gen resource" gives the error:

 FATAL: The file dm-core was not found

config/database.yml specify:

use_orm :activerecord

> merb-gen AR template uses  the same syntax as Rails generator.

merb-gen does not seem to show any help on this. Can you expand more
here ?

-Arun


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Arun  
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 More options Nov 12 2008, 3:42 pm
From: Arun <arun.gu...@gmail.com>
Date: Wed, 12 Nov 2008 12:42:25 -0800 (PST)
Local: Wed, Nov 12 2008 3:42 pm
Subject: Re: Scaffolding in Merb... Any Tutorial available
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jruby -S merb-gen model --orm activerecord Runner distance:float
minutes:integer

still showing the same error message.

Any idea ?

On Nov 12, 2:26 pm, Arun <arun.gu...@gmail.com> wrote:


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Matt Aimonetti  
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 More options Nov 12 2008, 3:47 pm
From: "Matt Aimonetti" <mattaimone...@gmail.com>
Date: Wed, 12 Nov 2008 15:47:12 -0500
Local: Wed, Nov 12 2008 3:47 pm
Subject: Re: [merb] Re: Scaffolding in Merb... Any Tutorial available
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not sure, but merb-gen arguments are comma delimited and without space
(yeah, I know it sucks :()

try:

jruby -S merb-gen model --orm activerecord Runner
distance:float,minutes:integer

and

jruby -S merb-gen model Runner distance:float,minutes:integer

-Matt


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Arun  
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 More options Nov 12 2008, 7:31 pm
From: Arun <arun.gu...@gmail.com>
Date: Wed, 12 Nov 2008 16:31:50 -0800 (PST)
Local: Wed, Nov 12 2008 7:31 pm
Subject: Re: Scaffolding in Merb... Any Tutorial available
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Subtle ;-)

Anyway, still getting the same error ...

../../../bin/jruby -S merb-gen model --orm activerecord Runner
distance:float,minutes:integer
Loading init file from /Users/arungupta/samples/jruby/merb/jruby-1.1.5/
samples/merb/hello/config/init.rb
Loading /Users/arungupta/samples/jruby/merb/jruby-1.1.5/samples/merb/
hello/config/environments/development.rb
 ~
 ~ FATAL: The file dm-core was not found
 ~

config/init.rb is already configured to use activerecord.

What's missing ?

-Arun

On Nov 12, 2:47 pm, "Matt Aimonetti" <mattaimone...@gmail.com> wrote:


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Matt Aimonetti  
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 More options Nov 12 2008, 7:36 pm
From: "Matt Aimonetti" <mattaimone...@gmail.com>
Date: Wed, 12 Nov 2008 19:36:31 -0500
Local: Wed, Nov 12 2008 7:36 pm
Subject: Re: [merb] Re: Scaffolding in Merb... Any Tutorial available
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I'm not sure, you might have some other dependencies requiring dm, can I see
your init.rb/dependencies.rb files please?

-Matt


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Arun  
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 More options Nov 12 2008, 7:48 pm
From: Arun <arun.gu...@gmail.com>
Date: Wed, 12 Nov 2008 16:48:49 -0800 (PST)
Local: Wed, Nov 12 2008 7:48 pm
Subject: Re: Scaffolding in Merb... Any Tutorial available
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Ah, that explains!

depdencies.rb has:

dependency "dm-core", dm_gems_version
dependency "dm-aggregates", dm_gems_version
dependency "dm-migrations", dm_gems_version
dependency "dm-timestamps", dm_gems_version
dependency "dm-types", dm_gems_version
dependency "dm-validations", dm_gems_version

How do I DRY up my application and specify pluggable ORM once ?

If I comment these lines then the model is correctly generated.

-Arun

On Nov 12, 6:36 pm, "Matt Aimonetti" <mattaimone...@gmail.com> wrote:


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Matt Aimonetti  
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 More options Nov 12 2008, 7:57 pm
From: "Matt Aimonetti" <mattaimone...@gmail.com>
Date: Wed, 12 Nov 2008 19:57:13 -0500
Local: Wed, Nov 12 2008 7:57 pm
Subject: Re: [merb] Re: Scaffolding in Merb... Any Tutorial available
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you should have just done:

$ merb-gen core --orm activerecord my_app_name

and just add what you need, using merb-gen app  generates a merb stack app
with DM, since you don't want to use DM a core app is better.

-Matt


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Arun  
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 More options Nov 12 2008, 8:08 pm
From: Arun <arun.gu...@gmail.com>
Date: Wed, 12 Nov 2008 17:08:59 -0800 (PST)
Local: Wed, Nov 12 2008 8:08 pm
Subject: Re: Scaffolding in Merb... Any Tutorial available
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Ah excellent, just what I needed :)

Can I specify database at the CLI as well ? For example MySQL instead
of SQLite3.

-Arun

On Nov 12, 6:57 pm, "Matt Aimonetti" <mattaimone...@gmail.com> wrote:


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Arun  
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 More options Nov 12 2008, 8:14 pm
From: Arun <arun.gu...@gmail.com>
Date: Wed, 12 Nov 2008 17:14:59 -0800 (PST)
Local: Wed, Nov 12 2008 8:14 pm
Subject: Re: Scaffolding in Merb... Any Tutorial available
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Also, there is no config/database.yml in this case. Where is the
database information specified ? Or specifically what is database.yml
equivalent in this case ?

-Arun

On Nov 12, 6:57 pm, "Matt Aimonetti" <mattaimone...@gmail.com> wrote:


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Matt Aimonetti  
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 More options Nov 12 2008, 8:24 pm
From: "Matt Aimonetti" <mattaimone...@gmail.com>
Date: Wed, 12 Nov 2008 20:24:56 -0500
Local: Wed, Nov 12 2008 8:24 pm
Subject: Re: [merb] Re: Scaffolding in Merb... Any Tutorial available
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look at the rake task to generate a new database.yml file. The generator
belongs to merb_activerecord

-Matt


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Michael Klishin  
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 More options Nov 12 2008, 8:32 pm
From: "Michael Klishin" <michael.s.klis...@gmail.com>
Date: Thu, 13 Nov 2008 03:32:56 +0200
Local: Wed, Nov 12 2008 8:32 pm
Subject: Re: [merb] Re: Scaffolding in Merb... Any Tutorial available
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> Also, there is no config/database.yml in this case.

This has it's reasoning: in the end teams of developers end up keeping
database.yml ignored in SCM
because it's hard to use absolutely the same set up across different
machines. The most obvious example is
a socket file that is stored in different locations depending on how
you did install MySQL, PostgreSQL or whatever it is.

MacPorts use one path, Debian packages use some other, building from
source results in some 3rd location. So it's environment specific.
--
MK


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Arun  
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 More options Nov 12 2008, 11:35 pm
From: Arun <arun.gu...@gmail.com>
Date: Wed, 12 Nov 2008 20:35:07 -0800 (PST)
Local: Wed, Nov 12 2008 11:35 pm
Subject: Re: Scaffolding in Merb... Any Tutorial available
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OK, that makes sense, thanks!

On Nov 12, 7:32 pm, "Michael Klishin" <michael.s.klis...@gmail.com>
wrote:


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Arun  
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 More options Nov 13 2008, 12:27 am
From: Arun <arun.gu...@gmail.com>
Date: Wed, 12 Nov 2008 21:27:46 -0800 (PST)
Local: Thurs, Nov 13 2008 12:27 am
Subject: Re: Scaffolding in Merb... Any Tutorial available
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The generated [index,new,show,edit].html.erb do not seem to have any
code in there.

How can I ensure that the right set of code is generated as well ?

-Arun

On Nov 12, 2:47 pm, "Matt Aimonetti" <mattaimone...@gmail.com> wrote:


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Arun  
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 More options Nov 17 2008, 2:00 pm
From: Arun <arun.gu...@gmail.com>
Date: Mon, 17 Nov 2008 11:00:43 -0800 (PST)
Local: Mon, Nov 17 2008 2:00 pm
Subject: Re: Scaffolding in Merb... Any Tutorial available
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Added a simple new view as described at:

http://wiki.merbivore.com/howto/simple_new_view

The code looks like:

-- cut here --
<%= form_for(@runner, :action => resource(:runners) ) do %>

  <p>
    <%= text_field :distance, :label => "Distance" %>
  </p>

  <p>
    <%= text_field :minutes, :label => "Minutes"  %>
  </p>

  <p>
    <%= submit "Create" %>
  </p>
<% end =%>

<%= link_to 'Back', resource(:runners) %>
-- cut here --

Also added an entry:

resources :runners

in config/router.rb

Still getting the following error:

-- cut here --
 No Method Error 500
undefined method `form_for' for #<Runners:0x197a120>

All App Framework Gem Other

        app/views/runners/new.html.erb (ERB Template)   5

1<h1>Runners controller, new action</h1> 2 3<p>Edit this file in
<tt>app/views/runners/new.html.erb</tt></p> 4 5<%= form_for
(@runner, :action => resource(:runners) ) do %> 6 7 <p> 8 <%=
text_field :distance, :label => "Distance" %> 9 </p> 10
-- cut here --

What's missing ?

-Arun

On Nov 12, 9:27 pm, Arun <arun.gu...@gmail.com> wrote:


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Matt Aimonetti  
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 More options Nov 17 2008, 2:10 pm
From: "Matt Aimonetti" <mattaimone...@gmail.com>
Date: Mon, 17 Nov 2008 14:10:54 -0500
Local: Mon, Nov 17 2008 2:10 pm
Subject: Re: [merb] Re: Scaffolding in Merb... Any Tutorial available
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can you show us your controller, I won't what is @runner, in theory it
should be an instance of your Runner class.

-Matt


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Michael Klishin  
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 More options Nov 17 2008, 2:40 pm
From: "Michael Klishin" <michael.s.klis...@gmail.com>
Date: Mon, 17 Nov 2008 21:40:39 +0200
Local: Mon, Nov 17 2008 2:40 pm
Subject: Re: [merb] Re: Scaffolding in Merb... Any Tutorial available
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2008/11/17 Arun <arun.gu...@gmail.com>:

>  No Method Error 500
> undefined method `form_for' for #<Runners:0x197a120>
> What's missing ?

Either merb-helpers is not loaded at all, or (for some very weird
reason) default form builder is not set.
--
MK

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Matt Aimonetti  
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 More options Nov 17 2008, 2:55 pm
From: "Matt Aimonetti" <mattaimone...@gmail.com>
Date: Mon, 17 Nov 2008 14:55:47 -0500
Local: Mon, Nov 17 2008 2:55 pm
Subject: Re: [merb] Re: Scaffolding in Merb... Any Tutorial available
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hmm good catch, if you generated a stack app, merb-helpers and merb-assets
won't be declared as dependencies.

-Matt

On Mon, Nov 17, 2008 at 2:40 PM, Michael Klishin <


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Arun  
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 More options Nov 17 2008, 3:25 pm
From: Arun <arun.gu...@gmail.com>
Date: Mon, 17 Nov 2008 12:25:17 -0800 (PST)
Local: Mon, Nov 17 2008 3:25 pm
Subject: Re: Scaffolding in Merb... Any Tutorial available
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Stock runner generated as:

-- cut here --
class Runners < Application
  # provides :xml, :yaml, :js

  # GET /runners
  def index
    @runners = Runner.find(:all)
    display @runners
  end

  # GET /runners/:id
  def show
    @runner = Runner.find_by_id(params[:id])
    raise NotFound unless @runner
    display @runner
  end

  # GET /runners/new
  def new
    only_provides :html
    @runner = Runner.new(params[:runner])
    render
  end

  # POST /runners
  def create
    @runner = Runner.new(params[:runner])
    if @runner.save
      redirect url(:runner, @runner)
    else
      render :new
    end
  end

  # GET /runners/:id/edit
  def edit
    only_provides :html
    @runner = Runner.find_by_id(params[:id])
    raise NotFound unless @runner
    render
  end

  # PUT /runners/:id
  def update
    @runner = Runner.find_by_id(params[:id])
    raise NotFound unless @runner
    if @runner.update_attributes(params[:runner])
      redirect url(:runner, @runner)
    else
      raise BadRequest
    end
  end

  # DELETE /runners/:id
  def destroy
    @runner = Runner.find_by_id(params[:id])
    raise NotFound unless @runner
    if @runner.destroy
      redirect url(:runners)
    else
      raise BadRequest
    end
  end

end
-- cut here --

-Arun
On Nov 17, 11:10 am, "Matt Aimonetti" <mattaimone...@gmail.com> wrote:


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Matt Aimonetti  
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 More options Nov 17 2008, 3:27 pm
From: "Matt Aimonetti" <mattaimone...@gmail.com>
Date: Mon, 17 Nov 2008 15:27:13 -0500
Local: Mon, Nov 17 2008 3:27 pm
Subject: Re: [merb] Re: Scaffolding in Merb... Any Tutorial available
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can you also show us your init.rb or dependencies.rb   it should list
merb-helpers and probably merb-assets

-Matt


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Arun  
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 More options Nov 17 2008, 3:27 pm
From: Arun <arun.gu...@gmail.com>
Date: Mon, 17 Nov 2008 12:27:22 -0800 (PST)
Local: Mon, Nov 17 2008 3:27 pm
Subject: Re: Scaffolding in Merb... Any Tutorial available
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I added merb-assets already, now added merb-helpers as well but still
seeing the same error.

MRI and JRuby gives the same result. This app is generated using "core
app" and is using ActiveRecord as ORM.

-Arun

On Nov 17, 11:55 am, "Matt Aimonetti" <mattaimone...@gmail.com> wrote:


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Arun  
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 More options Nov 17 2008, 3:30 pm
From: Arun <arun.gu...@gmail.com>
Date: Mon, 17 Nov 2008 12:30:31 -0800 (PST)
Local: Mon, Nov 17 2008 3:30 pm
Subject: Re: Scaffolding in Merb... Any Tutorial available
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Ah, figured out.

I created a new file config/dependencies.rb and specified:

dependency "merb-assets", "1.0"
dependency "merb-helpers", "1.0"

If I include these in config/init.rb, then a new runner can be
created.

It seems like dependencies.rb is not picked up for a core app.

-Arun

On Nov 17, 11:55 am, "Matt Aimonetti" <mattaimone...@gmail.com> wrote:


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Michael Klishin  
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 More options Nov 17 2008, 3:32 pm
From: "Michael Klishin" <michael.s.klis...@gmail.com>
Date: Mon, 17 Nov 2008 22:32:15 +0200
Local: Mon, Nov 17 2008 3:32 pm
Subject: Re: [merb] Re: Scaffolding in Merb... Any Tutorial available
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2008/11/17 Arun <arun.gu...@gmail.com>:

> MRI and JRuby gives the same result. This app is generated using "core
> app" and is using ActiveRecord as ORM.

Both should not matter here. What is in your init file?
--
MK

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