Rails has_many conditions
- by user305270
c = "(f.profile_id = #{self.id} OR f.friend_id = #{self.id})"
c += AND + "(CASE WHEN f.profile_id=#{self.id} THEN f.friend_id ELSE f.profile_id END = p.id)"
c += AND + "(CASE WHEN f.profile_id=#{self.id} THEN f.profile_rejected ELSE f.friend_rejected END = 1)"
c += AND + "(p.banned = 0)"
I need this to be used in a has_many relationship like this:
has_many :removed_friends, :conditions => ???
how do i set there the self.id?, or how do i pass there the id?
Then i want to use the will_paginate plugin:
@profile.removed_friends.paginate(:page => 1, :per_page => 20)
Thanks for your help
EDIT:
class Profile < ActiveRecord::Base
has_many :friendships
has_many :removed_friends, :class_name => 'Profile', :through => :friendships, :conditions =>
"(friendships.profile_id = #{self.id} OR friendships.friend_id = #{self.id})"
"AND (CASE WHEN friendships.profile_id=#{self.id} THEN friendships.profile_rejected ELSE friendships.friend_rejected END = 1)" +
"AND (p.banned = 0)"
end
class Friendship < ActiveRecord::Base
belongs_to :profile
belongs_to :removed_friend, :class_name => 'Profile', :foreign_key => "(CASE WHEN friendships.profile_id = #{self.id} THEN friend_id ELSE profile_id END)"
end
