ruby 1.8.5, Rails 1.2.1
Caution - I’m a ruby noob.
I have 2 models - Meeting and Meeting_Items.
As you would expect a meeting has_many :meeting_items and a
meeting_item belongs_to :meeting.
When trying to use find_all to return an array which only includes
“agenda items” I found that it always returned the full array of
meeting_items.
To try to find the fault I have reduced the problem to its’ simplest
form that still gives me the problem.
@meeting.meeting_items.find_all{ |m| false}
The code above still returns the full array of meeting_items for the
meeting, I would expect it to return an empty array.
When I do the following I get an empty array returned, which is what I
expect.
[1,2,3,4,5].find_all{|x| false}
“agenda items” I found that it always returned the full array of
meeting_items.
To try to find the fault I have reduced the problem to its’ simplest
form that still gives me the problem.
@meeting.meeting_items.find_all{ |m| false}
The find_all is an Array method but meeting_items is not strictly an
array
even though it behaves a bit like one. The find all on a collection of
AR
models is a depricated method. Intead you should use find(:all,
:conditions => … )
The code above still returns the full array of meeting_items for the
meeting, I would expect it to return an empty array.
When I do the following I get an empty array returned, which is what I
expect.
[1,2,3,4,5].find_all{|x| false}
Any help appreciated.
Reed
I think there are a couple of ways to achive this functionality i think
you’re looking for…
Using
Meeting.find(:all, :conditions => { :field => ‘value’ } )
Or you can set this up in the meeting class as a has_many
class Meeting < AR::B
has_many :meeting_items
has_many :agenda_items, :class_name => ‘meeting_item’, :conditions =>
“field=‘value’”
end