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Chris Olsen

2007-Dec-13 21:56 UTC

Attachment_fu problems on updates

On the creation of a member the member''s picture uploads as it should.
However, when updating the member, while selecting a new picture, an
error is thrown:

can''t convert nil into String
RAILS_ROOT: /Users/chris/Documents/Projects/Rails/CommunityCMS/trunk

Application Trace | Framework Trace | Full Trace
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:21:in
`join''
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:21:in
`full_filename''
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:281:in
`temp_paths''
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:275:in
`temp_path''
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:241:in
`save_attachment?''
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:344:in
`set_size_from_temp_path''
vendor/rails/activerecord/lib/active_record/callbacks.rb:307:in `send''

If I update the user without selecting a new picture, the users picture
is lost (the db row values are set to nil)

Here is the controller code for the update:
--------------------------------
  def update
    @member = Member.find(params[:id])
    #try to not set the photo if a new one is not uploaded
    @photo = @member.build_photo(params[:photo]) unless
params[:photo].nil?

    respond_to do |format|
      if @member.update_attributes(params[:member])
          ....
    end
  end

Here is the Member model code:
-------------------------
class Member < ActiveRecord::Base
  validates_presence_of :first_name, :last_name, :city, :region,
:region_code
  has_many :groups, :through => :group_members
  has_one :photo, :as => "photo_for"

  validates_associated :photo

end

Here is the file_system_backend (where the error is occurring):
-----------------------------------------------
def full_filename(thumbnail = nil)
     file_system_path = (thumbnail ? thumbnail_class :
self).attachment_options[:path_prefix].to_s
     #here is the join that is failing
     #logger.info "rails root:" + RAILS_ROOT => /Users/...
     #logger.info "file sys path" + file_system_path =>
public/photos
     #logger.info thumbnail  => nothing show up here
     File.join(RAILS_ROOT, file_system_path,
*partitioned_path(thumbnail_name_for(thumbnail)))
end

The photo model is polymorphic which is why it exists as a separate
model.

I have never had this problem before, but this is the first polymorphic
relation that I have used to link to the uploaded images.

Thanks for the help.
-- 
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Chris Olsen

2007-Dec-31 05:24 UTC

head link

Re: Attachment_fu problems on updates

Some of the issues above have been fixed, but I am still having problems 
uploading a photo when editing a member that was created without a 
photo.

It is failing in the exact same spot.

Thanks for the help.

============================TypeError in Admin/membersController#update

can''t convert nil into String
RAILS_ROOT: /Users/chris/Documents/Projects/Rails/CommunityCMS/trunk

Application Trace | Framework Trace | Full Trace
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:21:in
`join''
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:21:in
`full_filename''
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:281:in 
`temp_paths''
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:275:in 
`temp_path''
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:241:in 
`save_attachment?''
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:344:in 
`set_size_from_temp_path''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/callbacks.rb:307:in
`send''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/callbacks.rb:307:in
`callback''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/callbacks.rb:304:in
`each''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/callbacks.rb:304:in
`callback''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/callbacks.rb:269:in
`valid?''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/validations.rb:933:in
`save_without_transactions''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/transactions.rb:108:in
`save''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/database_statements.rb:66:in
`transaction''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/transactions.rb:80:in
`transaction''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/transactions.rb:100:in
`transaction''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/transactions.rb:108:in
`save''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/transactions.rb:120:in
`rollback_active_record_state!''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/transactions.rb:108:in
`save''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/associations/has_one_association.rb:30:in
`replace''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/associations/has_one_association.rb:86:in
`new_record''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/associations/has_one_association.rb:18:in
`build''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/associations.rb:1114:in
`send''
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/associations.rb:1114:in
`build_photo''
app/controllers/admin/members_controller.rb:75:in `update''
-- 
Posted via http://www.ruby-forum.com/.

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Daniel Lopes

2008-Jan-23 00:19 UTC

head link

Re: Attachment_fu problems on updates

Hello, i having troubles when try replace existing file for new, get
the same error... some one can help?

On 31 dez 2007, 03:24, Chris Olsen
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:> Some of the issues above have been fixed, but I am still having problems
> uploading a photo when editing a member that was created without a
> photo.
>
> It is failing in the exact same spot.
>
> Thanks for the help.
>
> ============================> TypeError in
Admin/membersController#update
>
> can''t convert nil into String
> RAILS_ROOT: /Users/chris/Documents/Projects/Rails/CommunityCMS/trunk
>
> Application Trace | Framework Trace | Full Trace
>
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:21:in
> `join''
>
vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu/backends/file_system_backend.rb:21:in
> `full_filename''
> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:281:in
> `temp_paths''
> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:275:in
> `temp_path''
> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:241:in
> `save_attachment?''
> vendor/plugins/attachment_fu/lib/technoweenie/attachment_fu.rb:344:in
> `set_size_from_temp_path''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/callbacks.rb:307:in
> `send''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/callbacks.rb:307:in
> `callback''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/callbacks.rb:304:in
> `each''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/callbacks.rb:304:in
> `callback''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/callbacks.rb:269:in
> `valid?''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/validations.rb:933:in
> `save_without_transactions''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/transactions.rb:108:in
> `save''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/connection_adapters/abstract/database_statements.rb:66:in
> `transaction''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/transactions.rb:80:in
> `transaction''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/transactions.rb:100:in
> `transaction''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/transactions.rb:108:in
> `save''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/transactions.rb:120:in
> `rollback_active_record_state!''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/transactions.rb:108:in
> `save''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/associations/has_one_association.rb:30:in
> `replace''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/associations/has_one_association.rb:86:in
> `new_record''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/associations/has_one_association.rb:18:in
> `build''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/associations.rb:1114:in
> `send''
>
/Library/Ruby/Gems/1.8/gems/activerecord-2.0.2/lib/active_record/associations.rb:1114:in
> `build_photo''
> app/controllers/admin/members_controller.rb:75:in `update''
> --
> Posted viahttp://www.ruby-forum.com/.--~--~---------~--~----~------------~-------~--~----~
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Chris Olsen

2008-Jan-23 00:46 UTC

head link

Re: Attachment_fu problems on updates

Daniel Lopes wrote:> Hello, i having troubles when try replace existing file for new, get
> the same error... some one can help?
> 
> On 31 dez 2007, 03:24, Chris Olsen
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
The problem for me was that I was missing the unless params[:photo].nil? 
condition in the create method, which messed up the data when trying to 
do the update.

If that doesn''t help you out at all, post some of your code so we can 
take a look at it.
-- 
Posted via http://www.ruby-forum.com/.

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Daniel Lopes

2008-Jan-23 00:52 UTC

head link

Re: Attachment_fu problems on updates

Thanks Chris, i post my question and code in another post in this
link,
http://groups.google.de/group/rubyonrails-talk/browse_thread/thread/f2510dfd535ebaf0

On 22 jan, 22:46, Chris Olsen
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:> Daniel Lopes wrote:
> > Hello, i having troubles when try replace existing file for new, get
> > the same error... some one can help?
>
> > On 31 dez 2007, 03:24, Chris Olsen
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
>
> The problem for me was that I was missing the unless params[:photo].nil?
> condition in the create method, which messed up the data when trying to
> do the update.
>
> If that doesn''t help you out at all, post some of your code so we
can
> take a look at it.
> --
> Posted viahttp://www.ruby-forum.com/.--~--~---------~--~----~------------~-------~--~----~
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