similar to: validation null objects and objects with data

Hello, I''m trying to cut down the errors if the guy already getting the empty nickname, so he doesn''t get anything about the nickname is short. validates_presence_of :nickname This below is not working ? validates_length_of :nickname, :within => 4..40, :if => Proc.new { |user| user.nickname.length > 1 } nor this one below? validates_length_of :nickname, :within

Hello guys, I''m trying to validate the input of an integer from a form, here is a bit of code: This is the definition of the offending column in the migration: t.column :position, :integer, :default => 0, :limit => 3, :null => false And here is how I try to validate it inside de model: validates_length_of :position, :within => 1..3 And this is the exception I get when I

How would I use validations to ensure I either received a blank value or a ten digit number? If I set validates_length_of :field, :in => 0..10 then that would allow any value in-between. The allow_nil => true option does not seem to work. I''ve also tried using this with some combination of validates_numericality_of but cannot get it to work. Any help would be greatly

Is there a way to use validates_numericality_of and still allow null values? I have a model with some optional values that can be nil, but if they''re present, they must be numbers. Will I need to construct a custom valiation for this, or is there some method built in? Seems like it would be a common enough need. Jeff -- Posted via http://www.ruby-forum.com/.

I''ve been working with the problem that Joe Hosteny has been talking about on this list and on the tickets he''s posted (http://dev.rubyonrails.com/ticket/1196) and have come up with a tentative solution that I''d like to bring up here. What if we use a "conditional" parameter in the validates_* methods? Here''s how it would look like in practice:

I have this in a model: class GenreBadge < ActiveRecord::Base belongs_to :game, counter_cache: :genre_badges_count, touch: true belongs_to :genre validates :game_id, uniqueness: {scope: :genre_id}, allow_blank: true end When I get one existing genre badge genre_badge = game.genre_badges.first genre_badge.game_id = nil genre_badge.save! It creates an validation exception:

All of the tutorials and the Agile book use MySQL and I''ve got that working. I am now trying to use PostgreSQL and can''t seem to get going. Is my problem the db setup in postgresql? I have installed postgres-pr The error message when I try to access http://localhost:3000/clients when using PostgreSQL (MySQL works fine) ActiveRecord::StatementInvalid (RuntimeError: ERROR

I have some code in my controller which looks like this: if request.post? and @account.save and @user.save ... end and in my Account and User models I have many :validates, like so account.rb validates_presence_of :subdomain, :on => :create validates_uniqueness_of :subdomain, :on => :create, :message => "is already being used" validates_exclusion_of

Hi how can I validate a field only if another field is set to a specific value? I tried to use validates_length_of :fieldname, :maximum => 100, :if => :otherfieldname == ''myvalue'' But doesn''t work Thanks Paolo

Hello, I''m currently stunk on this issue for few days and I do not know how to get it fixed. The system always raises this error message : order is closed and here is my order.rb: class Order < ActiveRecord::Base include ActiveMerchant::Billing before_validation :set_status attr_protected :id, :customer_ip, :status, :error_message, :updated_at, :created_at attr_accessor

This works : class Recipe < ActiveRecord::Base belongs_to :category end But (when I add validation) this does not work : class Recipe < ActiveRecord::Base belongs_to :category validates_length_of :category, :within => 6..20 validates_uniqueness_of :category, :message => "already exists" end thank you -- View this message in context:

Today I tried to remove (actually overwrite) a validation from a model, from within a plugin. This was the original validation: validates_length_of :login, :maximum => 30 This was the only code I could come up with to replace it: def self.included(base) base.class_eval do @validate_callbacks.delete_if { |callback| begin # Sorry, only way to remove

I simply can''t figure this out. I have been reading and re-reading Agile book and wiki.rubyonrails.org - all sorts of validation methods and still, it doesn''t work. Controller code def create @client = Client.new(params[:client]) if @client.save! flash[:notice] = ''Client was successfully created.'' redirect_to :action =>

I''m using validates_format_of and the validation I want to do works, but I can''t get an error message to be displayed if the data is invalid: validates_format_of :mobile, :with => /\A[\+0-9]+\Z/, :message => " - Wrong" I have another validation some where else that does display the error message: " - Name is too long" validates_length_of :name,

I am new to ruby/rails and am having a problem with validates_length_of. It seems to work fine on a varchar field, but when I try it on a char field the extra characters are silently truncated and the message appears that the record was successfully updated. How can I get my app to produce my error message instead? I''ve tried various variations, but here''s one of my tries:

I need to call callback only if the validation was successful, but it seems it is called also when validation fails. -- Posted via http://www.ruby-forum.com/.

I want to use mocks and stubs to test the controller, but am having trouble getting my validation not to trigger. Here''s the code: # spec: Image.stub!(:find).and_return(@image) @image.should_receive(:save!).once.with(:any_args) put :update, :id => @image.id, :category_id => @category.id, :image => {:name => ''test'', :image_number =>

I think I must be doing something wrong... when a form returns params to the controller, empty fields appear to be returned as blank, not nil. so what''s the point of an :allow_nil=>true setting on a validation? it fails because blank is not the same as nil. i would expect either returned empty fields to be nil, or :allow_nil to really be :allow_blank. otherwise i have to do a search

Has anybody noticed validates_uniqueness_of missing in rails 3.0 rc2? I''m not sure if this is a bug or I''m just doing something wrong. Here''s what I''m doing. Class 1: class Title < ActiveRecord::Base validates_length_of :language, :is => 3 validates_uniqueness_of :language, :scope => :book_id validate :language,

Hi all, I recently started back up with Rails and things are going well up until now. I''ve set up acts_as_commentable in my Post model and it''s working great. Problem is users are able to create a "blank" comment. I''ve added the following validations in the comment.rb file generated by acts_as_commentable to limit the comment length: [code]