Displaying 20 results from an estimated 8000 matches similar to: "Select Tag and Associations"
2006 Mar 29
11
why belongs_to does not like validation?
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
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2006 Apr 22
6
nOOb question: How to use find_all with form input data
Hello,
I''m having a problem utilizing the find_all method with a value from a
form. I keep getting the following error:
Mysql::Error: #42S22Unknown column ''category_id11'' in ''where clause'':
SELECT * FROM items WHERE (category_id11)
The controller seems to be getting the correct data, but my key and
value seem to be mashed together(it''s
2006 Jan 12
17
Application.rb params
I need to check if a parameter is set so that I can build some information
for my application, but No matter how I format my if statement in the file "
Application.rb" it return the following error.
You have a nil object when you didn''t expect it!
You might have expected an instance of Array.
The error occurred while evaluating nil.[]
Here is the line
if params[:day]
So we
2006 Feb 22
3
Listing/Relationship Question
Hello,
I know this is probably super simple, but for some reason I just can''t get
it!
What I want to do is click on a post and display all the categories that the
post is in.
class Post < ActiveRecord::Base
has_many :categories
end
class Category < ActiveRecord::Base
belongs_to :post
end
...simple enough.
In the categories_controller I have this:
def list_all_categories
2006 Jan 16
4
Creating two records at once
Hi there,
I have a User model and a Profile model. A user has_one profile, and a
profile belongs_to a user. The profile model contains a user_id column
as the foreign key.
The problem comes in when I want a user to register. In the
user_controller I have a method that creates the user. I also want the
profile model to be filled in with the appropriate user_id foreign key
(I don''t care
2011 Nov 02
4
undefined method `updated_at' for #<Classified:0x686c5e4>
HEllo, I have the following problem with rails, I am new in this...is
there anyone who explain to me what´s happens?
Thanks
See below:
NoMethodError in Classified#show
Showing app/views/classified/show.rhtml where line #17 raised:
undefined method `updated_at'' for #<Classified:0x686c5e4>
Extracted source (around line #17):
14:
15: <strong>Date Posted:</strong>
2006 Feb 14
1
Another HABTM Question
Hi there,
I have a question on what would be the best way to save a HABTM model.
A posting habtm categories, and a category habtm postings.
class Category < ActiveRecord::Base
has_and_belongs_to_many :postings
end
class Posting < ActiveRecord::Base
has_and_belongs_to_many :categories
end
In my blog_controller, where the actual posting is saved, is where I
think I''m
2006 Apr 06
6
select method
The documentation states as an example:
select("post", "person_id", Person.find_all.collect {|p| [ p.name, p.id ] },
{ :include_blank => true }) could become:
<select name="post[person_id]">
<option></option>
<option value="1" selected="selected">David</option>
<option
2006 Apr 09
1
select helper question
Hi there, I try to develop a medical application using ruby on rails.
There are many categories which can contain subcategories.
I defined the model like this:
class Category < ActiveRecord::Base
has_and_belongs_to_many :notes
belongs_to :parent_category, :class_name=>"Category",
:foreign_key=>"category_id"
has_many :sub_categories,
2006 Apr 25
3
select boxe
yop,
http://rubyonrails.org/api/classes/ActionView/Helpers/FormHelper.html
ici j''ai vu qu''on pouvait g?n?rer des ?l?ment d''un formulaire gr?ce des
m?thodes. Apres quelque petite recherches j''ai trouv? comment g?n?rer un
select
<%= select(''category'', ''category.id'', Category.find_all.collect {|category|
category.nom})
2006 Apr 20
8
Whats the best way to do this?
I have an archive that can have 0 or more extra files associated with
it.
I would like to be able to edit the associated files info on the same
page as the archive info.
Listing the extra files info to the edit form is simple enough, but How
do I form the text input fields for easy (or automatic) pick-up in the
update?
Or am I barking up the wrong tree here?
--
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2006 Feb 20
5
find(:all) vs find_all
I started with Ruby on Rails in the 0.13.x period, so I''m sure I
missed out on a lot of history. There''s probably some good
explanation for something I''ve been wondering about, but I haven''t
seen it written down anywhere. Maybe someone can clue me in.
I''ve always felt that one of the uglier APIs was the
ActiveRecord::find() method. I call
2006 Apr 16
11
Best way to sort categories w/ pager
Ahoy,
I made this pager,
" def list
@item_pages = Paginator.new self, Item.count, 10, @params[''page'']
@items = Item.find :all, :conditions => "category_id =
#{params[:condition]}",
:limit => @item_pages.items_per_page,
:offset => @item_pages.current.offset
@categories = Category.find_all
2013 Nov 10
3
accepts_nested_attributes_for how, example
I have following tables with following models:
users(id, role_id) *has_many :entries*
categories(id, category_name) *has_many :entries*
entries(id, category_id, user_id) *belongs_to :user, belongs_to
:category, has_one :storage*
storages(id, title, content, entry_id)* belongs_to :entry*, *has_one
:vote*
votes(id, count, storage_id) *belongs_to :storage*
Now,
2006 May 18
6
Newbie:problem when using validates*
Hi,
I have performed the cookbook tutorial. Before tailoring the views and
controllers, when I put in the model recipe.rb:
validates_uniqueness_of :title
validates_length_of :title, :within => 1...20
And I tried to introduce some new recipe without the above conditions I
got the message:
---------------------------------------------------
New recipe
1 error prohibited this category from
2006 Jul 09
1
Quick Question
I have this method in a controller
def sort_by_cuisine
#@restaurants = Restaurant.find(:all, :conditions => ["cuisine_id =
:id", params], :order => params[:sort])
@cuisines = Cuisine.find_all
end
And I want to put the bulk of it in the model, but still call it from
the controller. How can I do this? I''m fairly new to Ruby on Rails and
I''ve tried
2006 May 11
6
ActiveRecord associations
Can someone clarify this for me? Suppose I have two tables like:
class Company < ActiveRecord::Base
belongs_to :category
end
class Category < ActiveRecord::Base
has_many :companies
end
I understand that the belongs_to causes related companies to be read
from the db when I ask for a category. I suspect SQL something like
select * from categories, companies
where category.id
2006 Apr 11
7
Undefined Method
Where can I define the method ''tbluser'' in this error?
NoMethodError in Tblregisteredphone#list
Showing app/views/tblregisteredphone/list.rhtml where line #23 raised:
undefined method `tbluser'' for #<Tblregisteredphone:0x375c778>
Extracted source (around line #23):
20: </font>
21: </td>
22: <td>
23: <%= link_to
2012 Jun 30
5
Problems with associations
Hello guys, I have two tables, tasks and projects, and each model I put:
Task.rb
class Task < ActiveRecord::Base
attr_accessible :user_id, :project_id, :name
belongs_to :project
end
Project.rb
class Project < ActiveRecord::Base
attr_accessible :name, :description
has_many :tasks
end
But when I go to my prompt and I make a SELECT with task, none project
is returned.
2006 Jan 20
11
HABTM relations
Hi,
I have 3 tables with HABTM relation.
USERS -> QUOTE_TO_USER <- QUOTES
Table QUOTE_TO_USER has 3 attributes: quote_id, user_id, component.
I have a form where I can tie multiple users to QUOTE. This is easy one,
thru "user_ids" (@quote[:user_ids] = @params[:quote][:user_ids]).
In this form I have all users and I just check those I want to tie to
this quote, however