i have such model:
class ToType < ActiveRecord::Base
attr_accessible :Name, :TYP_CCM, :TYP_CCM_TAX, :TYP_CDS_ID, :TYP_CTM,
:TYP_CYLINDERS, :TYP_DOORS, :TYP_HP_FROM, :TYP_HP_UPTO, :TYP_ID,
:TYP_KV_ABS_DES_ID, :TYP_KV_ASR_DES_ID, :TYP_KV_AXLE_DES_ID,
:TYP_KV_BODY_DES_ID, :TYP_KV_BRAKE_SYST_DES_ID, :TYP_KV_BRAKE_TYPE_DES_ID,
:TYP_KV_CATALYST_DES_ID, :TYP_KV_DRIVE_DES_ID, :TYP_KV_ENGINE_DES_ID,
:TYP_KV_FUEL_DES_ID, :TYP_KV_FUEL_SUPPLY_DES_ID, :TYP_KV_MODEL_DES_ID,
:TYP_KV_STEERING_DES_ID, :TYP_KV_STEERING_SIDE_DES_ID,
:TYP_KV_TRANS_DES_ID, :TYP_KV_VOLTAGE_DES_ID, :TYP_KW_FROM, :TYP_KW_UPTO,
:TYP_LA_CTM, :TYP_LITRES, :TYP_MAX_WEIGHT, :TYP_MMT_CDS_ID, :TYP_MOD_ID,
:TYP_PCON_END, :TYP_PCON_START, :TYP_RT_EXISTS, :TYP_SORT, :TYP_TANK,
:TYP_VALVES, :is_in_to
set_primary_key :TYP_ID
belongs_to :to_model
has_many :to_articles, :foreign_key => "to_type_id",
:dependent =>
:destroy
end
class ToArticle < ActiveRecord::Base
attr_accessible :details, :manufacturer, :name, :oem_number,
:only_with_vin, :quantity, :to_type_id
belongs_to :to_type, :foreign_key => "TYP_ID"
belongs_to :to_engine
end
(some db is converted from big catalog, so rails conventions are a little
bit missed)
my show view of to_type is:
part of it:
%td
= link_to "Подробнее",
admin_catalog_to_to_article_path(c),
:class=>''btn btn-primary''
= link_to "Редактирование",
edit_admin_catalog_to_to_type_path(c), :class=>''btn
btn-warning''
= link_to "Удалить", admin_catalog_to_to_type_path(c),
:confirm => "!!!Тип #{c.Name} будет удалён!!!! Вы уверены?",
:method =>
:delete, :class => "btn btn-danger"
my show action work normally, also controller:
class Admin::Catalog::To::ToTypesController < ApplicationController
respond_to :html
before_filter :auth_user
def auth_user
redirect_to new_admin_session_path unless admin_signed_in?
end
def show
@mod_id = params[:id]
@man = ToType.find(:all, conditions: {:TYP_MOD_ID => @mod_id},
order: "Name ASC")
render :layout => ''admin''
end
def edit
@man = ToType.find(params[:id])
render :layout => ''admin''
end
def update
@man = ToType.find(params[:id])
if @man.update_attributes(params[:to_type])
redirect_to admin_catalog_to_to_type_path(@man.TYP_MOD_ID)
else
render :layout => ''admin''
end
end
def new
@man = ToType.new
@mod_id = params[:mod_id]
render :layout => ''admin''
end
def create
@man = ToType.new(params[:to_type])
@mod_id = params[:mod_id]
@man.TYP_MOD_ID = @mod_id
if @man.save
redirect_to admin_catalog_to_to_type_path(@mod_id)
else
render :layout => ''admin''
end
end
def destroy
@man = ToType.find(params[:id])
if @man.destroy
redirect_to admin_catalog_to_to_type_path(@man.TYP_MOD_ID)
else
render :layout => ''admin''
end
end
end
and route:
namespace :admin do
namespace :catalog do
namespace :to do
resources :to_manufacturers,
:to_models,
:to_types,
:to_articles
end
end
end
form partial:
= form_for [:admin, :catalog, :to, @typ] do |f|
= f.label :id
...
when i try edit or create i get:
undefined method `model_name'' for NilClass:Class
i think that something is bad with connection with model: with update and
create. In log i see that object is founded in db for edit for example, and
in log i can see that @man is not empty, but i still get undefined method
`model_name'' for NilClass:Class . Why?
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= form_for [:admin, :catalog, :to, *@typ*] do |f| Shouldn''t the @typ be
@man instead. I don''t see any @typ instance variable in your
controller.
= f.label :id
On Wednesday, August 14, 2013 7:53:20 AM UTC-4, Павел Добренко
wrote:>
> i have such model:
>
> class ToType < ActiveRecord::Base
> attr_accessible :Name, :TYP_CCM, :TYP_CCM_TAX, :TYP_CDS_ID,
> :TYP_CTM, :TYP_CYLINDERS, :TYP_DOORS, :TYP_HP_FROM, :TYP_HP_UPTO, :TYP_ID,
> :TYP_KV_ABS_DES_ID, :TYP_KV_ASR_DES_ID, :TYP_KV_AXLE_DES_ID,
> :TYP_KV_BODY_DES_ID, :TYP_KV_BRAKE_SYST_DES_ID, :TYP_KV_BRAKE_TYPE_DES_ID,
> :TYP_KV_CATALYST_DES_ID, :TYP_KV_DRIVE_DES_ID, :TYP_KV_ENGINE_DES_ID,
> :TYP_KV_FUEL_DES_ID, :TYP_KV_FUEL_SUPPLY_DES_ID, :TYP_KV_MODEL_DES_ID,
> :TYP_KV_STEERING_DES_ID, :TYP_KV_STEERING_SIDE_DES_ID,
> :TYP_KV_TRANS_DES_ID, :TYP_KV_VOLTAGE_DES_ID, :TYP_KW_FROM, :TYP_KW_UPTO,
> :TYP_LA_CTM, :TYP_LITRES, :TYP_MAX_WEIGHT, :TYP_MMT_CDS_ID, :TYP_MOD_ID,
> :TYP_PCON_END, :TYP_PCON_START, :TYP_RT_EXISTS, :TYP_SORT, :TYP_TANK,
> :TYP_VALVES, :is_in_to
> set_primary_key :TYP_ID
> belongs_to :to_model
> has_many :to_articles, :foreign_key => "to_type_id",
:dependent =>
> :destroy
> end
>
> class ToArticle < ActiveRecord::Base
> attr_accessible :details, :manufacturer, :name, :oem_number,
> :only_with_vin, :quantity, :to_type_id
> belongs_to :to_type, :foreign_key => "TYP_ID"
> belongs_to :to_engine
> end
>
> (some db is converted from big catalog, so rails conventions are a little
> bit missed)
>
> my show view of to_type is:
>
> part of it:
>
>
>
> %td
> = link_to "Подробнее",
> admin_catalog_to_to_article_path(c), :class=>''btn
btn-primary''
> = link_to "Редактирование",
> edit_admin_catalog_to_to_type_path(c), :class=>''btn
btn-warning''
> = link_to "Удалить",
admin_catalog_to_to_type_path(c),
> :confirm => "!!!Тип #{c.Name} будет удалён!!!! Вы уверены?",
:method =>
> :delete, :class => "btn btn-danger"
>
> my show action work normally, also controller:
>
> class Admin::Catalog::To::ToTypesController < ApplicationController
> respond_to :html
>
> before_filter :auth_user
>
> def auth_user
> redirect_to new_admin_session_path unless admin_signed_in?
> end
>
> def show
> @mod_id = params[:id]
> @man = ToType.find(:all, conditions: {:TYP_MOD_ID => @mod_id},
> order: "Name ASC")
> render :layout => ''admin''
> end
>
> def edit
> @man = ToType.find(params[:id])
> render :layout => ''admin''
> end
>
> def update
> @man = ToType.find(params[:id])
> if @man.update_attributes(params[:to_type])
> redirect_to admin_catalog_to_to_type_path(@man.TYP_MOD_ID)
> else
> render :layout => ''admin''
> end
> end
>
> def new
> @man = ToType.new
> @mod_id = params[:mod_id]
> render :layout => ''admin''
> end
>
> def create
> @man = ToType.new(params[:to_type])
> @mod_id = params[:mod_id]
> @man.TYP_MOD_ID = @mod_id
> if @man.save
> redirect_to admin_catalog_to_to_type_path(@mod_id)
> else
> render :layout => ''admin''
> end
> end
>
> def destroy
> @man = ToType.find(params[:id])
> if @man.destroy
> redirect_to admin_catalog_to_to_type_path(@man.TYP_MOD_ID)
> else
> render :layout => ''admin''
> end
> end
> end
> and route:
>
> namespace :admin do
> namespace :catalog do
> namespace :to do
> resources :to_manufacturers,
> :to_models,
> :to_types,
> :to_articles
> end
> end
>
> end
>
> form partial:
>
> = form_for [:admin, :catalog, :to, @typ] do |f|
> = f.label :id
> ...
>
> when i try edit or create i get:
>
> undefined method `model_name'' for NilClass:Class
>
> i think that something is bad with connection with model: with update and
> create. In log i see that object is founded in db for edit for example, and
> in log i can see that @man is not empty, but i still get undefined method
> `model_name'' for NilClass:Class . Why?
>
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On Wednesday, 14 August 2013 07:53:20 UTC-4, Павел Добренко wrote:> > i have such model: > > class ToType < ActiveRecord::Base > attr_accessible :Name, :TYP_CCM, :TYP_CCM_TAX, :TYP_CDS_ID, > :TYP_CTM, :TYP_CYLINDERS, :TYP_DOORS, :TYP_HP_FROM, :TYP_HP_UPTO, :TYP_ID, > :TYP_KV_ABS_DES_ID, :TYP_KV_ASR_DES_ID, :TYP_KV_AXLE_DES_ID, > :TYP_KV_BODY_DES_ID, :TYP_KV_BRAKE_SYST_DES_ID, :TYP_KV_BRAKE_TYPE_DES_ID, > :TYP_KV_CATALYST_DES_ID, :TYP_KV_DRIVE_DES_ID, :TYP_KV_ENGINE_DES_ID, > :TYP_KV_FUEL_DES_ID, :TYP_KV_FUEL_SUPPLY_DES_ID, :TYP_KV_MODEL_DES_ID, > :TYP_KV_STEERING_DES_ID, :TYP_KV_STEERING_SIDE_DES_ID, > :TYP_KV_TRANS_DES_ID, :TYP_KV_VOLTAGE_DES_ID, :TYP_KW_FROM, :TYP_KW_UPTO, > :TYP_LA_CTM, :TYP_LITRES, :TYP_MAX_WEIGHT, :TYP_MMT_CDS_ID, :TYP_MOD_ID, > :TYP_PCON_END, :TYP_PCON_START, :TYP_RT_EXISTS, :TYP_SORT, :TYP_TANK, > :TYP_VALVES, :is_in_to > set_primary_key :TYP_ID > belongs_to :to_model >This is likely the problem - ActiveModel expects an instance of ToType to have a method to_model. The default implementation just returns the object, but the belongs_to here is overriding that and messing things up. I''d recommend naming the association something else. --Matt Jones> has_many :to_articles, :foreign_key => "to_type_id", :dependent => > :destroy > end > > class ToArticle < ActiveRecord::Base > attr_accessible :details, :manufacturer, :name, :oem_number, > :only_with_vin, :quantity, :to_type_id > belongs_to :to_type, :foreign_key => "TYP_ID" > belongs_to :to_engine > end > > (some db is converted from big catalog, so rails conventions are a little > bit missed) > > my show view of to_type is: > > part of it: > > > > %td > = link_to "Подробнее", > admin_catalog_to_to_article_path(c), :class=>''btn btn-primary'' > = link_to "Редактирование", > edit_admin_catalog_to_to_type_path(c), :class=>''btn btn-warning'' > = link_to "Удалить", admin_catalog_to_to_type_path(c), > :confirm => "!!!Тип #{c.Name} будет удалён!!!! Вы уверены?", :method => > :delete, :class => "btn btn-danger" > > my show action work normally, also controller: > > class Admin::Catalog::To::ToTypesController < ApplicationController > respond_to :html > > before_filter :auth_user > > def auth_user > redirect_to new_admin_session_path unless admin_signed_in? > end > > def show > @mod_id = params[:id] > @man = ToType.find(:all, conditions: {:TYP_MOD_ID => @mod_id}, > order: "Name ASC") > render :layout => ''admin'' > end > > def edit > @man = ToType.find(params[:id]) > render :layout => ''admin'' > end > > def update > @man = ToType.find(params[:id]) > if @man.update_attributes(params[:to_type]) > redirect_to admin_catalog_to_to_type_path(@man.TYP_MOD_ID) > else > render :layout => ''admin'' > end > end > > def new > @man = ToType.new > @mod_id = params[:mod_id] > render :layout => ''admin'' > end > > def create > @man = ToType.new(params[:to_type]) > @mod_id = params[:mod_id] > @man.TYP_MOD_ID = @mod_id > if @man.save > redirect_to admin_catalog_to_to_type_path(@mod_id) > else > render :layout => ''admin'' > end > end > > def destroy > @man = ToType.find(params[:id]) > if @man.destroy > redirect_to admin_catalog_to_to_type_path(@man.TYP_MOD_ID) > else > render :layout => ''admin'' > end > end > end > and route: > > namespace :admin do > namespace :catalog do > namespace :to do > resources :to_manufacturers, > :to_models, > :to_types, > :to_articles > end > end > > end > > form partial: > > = form_for [:admin, :catalog, :to, @typ] do |f| > = f.label :id > ... > > when i try edit or create i get: > > undefined method `model_name'' for NilClass:Class > > i think that something is bad with connection with model: with update and > create. In log i see that object is founded in db for edit for example, and > in log i can see that @man is not empty, but i still get undefined method > `model_name'' for NilClass:Class . Why? >-- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To unsubscribe from this group and stop receiving emails from it, send an email to rubyonrails-talk+unsubscribe-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To post to this group, send email to rubyonrails-talk-/JYPxA39Uh5TLH3MbocFF+G/Ez6ZCGd0@public.gmane.org To view this discussion on the web visit https://groups.google.com/d/msgid/rubyonrails-talk/f9c7bc2e-3004-4665-a727-37d366536f29%40googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.