I've found an hacky way to solve my problem:
in client class, I've added:
class Client
include DataMapper::Resource
property :id, Serial
property :prenom, String
property :nom, String
property :telephone, String
property :courriel, String
property :adresse, Text
property :view_only, Boolean
belongs_to :societe
def societe_id
societe.id
end
end
and in the update method of class_controller, I've added:
class ClientsController < ApplicationController # PUT /clients/1
# PUT /clients/1.xml
def update
@client = Client.get(params[:id])
#########################
# <New Stuff>
id = params[:client][:societe_id].to_i
params[:client].delete(:societe_id)
#########################
# </New Stuff>
respond_to do |format|
if @client.update(params[:client])
#########################
# <New Stuff>
if id != @client.societe.id
@client.societe = nil
new_societe = Societe.get(id)
new_societe.clients << @client
@client.save
end
#########################
# </New Stuff>
format.html { redirect_to(@client, :notice => 'Client was
successfully updated.') }
format.xml { head :ok }
else
format.html { render :action => "edit" }
format.xml { render :xml => @client.errors, :status
=> :unprocessable_entity }
end
end
end
end
It's ugly but it works...
I would like to open a ticket for dm-rails but I don't know how...
On 30 mar, 14:24, Sylvain <[email protected]> wrote:
> Hi all,
> I'm testing rails3 with Datamapper on a simple project.
>
> I've 2 classes :
> class Societe
> include DataMapper::Resource
>
> property :id, Serial
> property :nom, String
> property :adresse, Text
>
> has n, :clients
> end
>
> class Client
> include DataMapper::Resource
>
> property :id, Serial
> property :prenom, String
> property :nom, String
> property :telephone, String
> property :courriel, String
> property :adresse, Text
> property :view_only, Boolean
>
> belongs_to :societe
> end
>
> I created them using rails generate scaffold (except belongs/ has of
> course).
>
> I've then have in the folder "view" 5 erb templates per class, and
> especially one (_form) used by "new" and "edit" templates.
> In order to select the society, I have added in client's _form a
> select:
>
> <%= form_for(@client) do |f| %>
> <%= f.error_messages %>
> ...
> <div class="field">
> <%= f.label :societe %><br />
> <%= f.select(:societe_id, @societes.map{|s| [s.nom, s.id]}) %>
> </div>
> <div class="actions">
> <%= f.submit %>
> </div>
> <% end %>
>
> In creation mode, everything is allright and the customer is created
> with the link to its society
> But when I edit, I have the following error:
>
> Showing /home/.../app/views/clients/_form.html.erb where line #30
> raised:
>
> undefined method `societe_id' for #<Client:0xa51833c>
>
> Extracted source (around line #30):
>
> 27: </div>
> 28: <div class="field">
> 29: <%= f.label :societe %><br />
> 30: <%= f.select(:societe_id, @societes.map{|s| [s.nom, s.id]}) %>
> 31: </div>
> 32: <div class="actions">
> 33: <%= f.submit %>
>
> Any idea why it's working with empty "client" and not with existing
> one?
>
> Digging a little bit the problem, it seems it's because the select in
> base doesn't take the societe_id (which is "magically" retrieved I
> think):
>
> SELECT "id", "prenom", "nom", "telephone", "courriel", "view_only"
> FROM "clients" WHERE "id" = 1 ORDER BY "id" LIMIT 1
>
> Thanks in advance,
>
> Sylvain
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