Could you explain why the first part would go entirely into the Machine model?
On 2 jul, 23:56, Pat Nakajima <[email protected]> wrote: > Off the top of my head: > class Machine < ActiveRecord::Base > # Define a list of acceptable params for filtering > FILTERS = [:name, :code] > > # Finds records by params > def self.filter_by_params(params) > conditions = params.select { |key,val| FILTERS.include?(key.to_sym) > and val } > all(:conditions => conditions) > end > end > > class MachinesController < ApplicationController > def index > # Where params is { :filter => { :name => 'Pat', :code => '123' }} > @machines = Machine.filter_by_params(params[:filter]) > end > end > > On Thu, Jul 2, 2009 at 5:42 PM, jhaagmans <[email protected]> wrote: > > > In an app I'm working on, I want to have a filter in which you can > > specify certain attributes and click "filter" to activate an AJAX > > request and return a list of, say, machines that match with those > > attributes. > > > No I'm not sure how to build the controller. > > > If I would specify all the attributes, I would simply do: > > > def filter > > �...@machines = Machine.find(:all, :conditions => { :attr_1 => params > > [:attr_1], :attr_2 ... } > > end > > > But how would I do this if only some of the attributes are specified > > and the others are nil? Would I have to create @machines including all > > machines and have Rails do the rest of the work or is there a way to > > get find to do what I want? --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---
