blob: d9d48e7369f31fe79bf3bbd7bf966d90f4af856a (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
|
class GroupMembership < ActiveRecord::Base
attr_accessible :group_id, :item_type, :item_id
belongs_to :group
belongs_to :item, :polymorphic => true
validates :item_id,
:presence => true,
:uniqueness => { :scope => [:group_id, :item_type] }
validates :item_type,
:presence => true,
:uniqueness => { :scope => [:group_id, :item_id] }
validates :item,
:presence => true
def to_s
"#{self.item_type}: #{self.item}"
end
def item_type_allowed
fist_item = self.group.group_memberships.first.try(:item)
if fist_item
return fist_item.class.name
end
end
end
|
