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
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
class Pirate < ActiveRecord::Base
belongs_to :parrot, :validate => true
belongs_to :non_validated_parrot, :class_name => 'Parrot'
has_and_belongs_to_many :parrots, -> { order('parrots.id ASC') }, :validate => true
has_and_belongs_to_many :non_validated_parrots, :class_name => 'Parrot'
has_and_belongs_to_many :parrots_with_method_callbacks, :class_name => "Parrot",
:before_add => :log_before_add,
:after_add => :log_after_add,
:before_remove => :log_before_remove,
:after_remove => :log_after_remove
has_and_belongs_to_many :parrots_with_proc_callbacks, :class_name => "Parrot",
:before_add => proc {|p,pa| p.ship_log << "before_adding_proc_parrot_#{pa.id || '<new>'}"},
:after_add => proc {|p,pa| p.ship_log << "after_adding_proc_parrot_#{pa.id || '<new>'}"},
:before_remove => proc {|p,pa| p.ship_log << "before_removing_proc_parrot_#{pa.id}"},
:after_remove => proc {|p,pa| p.ship_log << "after_removing_proc_parrot_#{pa.id}"}
has_and_belongs_to_many :autosaved_parrots, class_name: "Parrot", autosave: true
has_many :treasures, :as => :looter
has_many :treasure_estimates, :through => :treasures, :source => :price_estimates
# These both have :autosave enabled because accepts_nested_attributes_for is used on them.
has_one :ship
has_one :update_only_ship, :class_name => 'Ship'
has_one :non_validated_ship, :class_name => 'Ship'
has_many :birds, -> { order('birds.id ASC') }
has_many :birds_with_method_callbacks, :class_name => "Bird",
:before_add => :log_before_add,
:after_add => :log_after_add,
:before_remove => :log_before_remove,
:after_remove => :log_after_remove
has_many :birds_with_proc_callbacks, :class_name => "Bird",
:before_add => proc {|p,b| p.ship_log << "before_adding_proc_bird_#{b.id || '<new>'}"},
:after_add => proc {|p,b| p.ship_log << "after_adding_proc_bird_#{b.id || '<new>'}"},
:before_remove => proc {|p,b| p.ship_log << "before_removing_proc_bird_#{b.id}"},
:after_remove => proc {|p,b| p.ship_log << "after_removing_proc_bird_#{b.id}"}
has_many :birds_with_reject_all_blank, :class_name => "Bird"
has_one :foo_bulb, -> { where :name => 'foo' }, :foreign_key => :car_id, :class_name => "Bulb"
accepts_nested_attributes_for :parrots, :birds, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? }
accepts_nested_attributes_for :ship, :allow_destroy => true, :reject_if => proc { |attributes| attributes.empty? }
accepts_nested_attributes_for :update_only_ship, :update_only => true
accepts_nested_attributes_for :parrots_with_method_callbacks, :parrots_with_proc_callbacks,
:birds_with_method_callbacks, :birds_with_proc_callbacks, :allow_destroy => true
accepts_nested_attributes_for :birds_with_reject_all_blank, :reject_if => :all_blank
validates_presence_of :catchphrase
def ship_log
@ship_log ||= []
end
def reject_empty_ships_on_create(attributes)
attributes.delete('_reject_me_if_new').present? && !persisted?
end
attr_accessor :cancel_save_from_callback, :parrots_limit
before_save :cancel_save_callback_method, :if => :cancel_save_from_callback
def cancel_save_callback_method
false
end
private
def log_before_add(record)
log(record, "before_adding_method")
end
def log_after_add(record)
log(record, "after_adding_method")
end
def log_before_remove(record)
log(record, "before_removing_method")
end
def log_after_remove(record)
log(record, "after_removing_method")
end
def log(record, callback)
ship_log << "#{callback}_#{record.class.name.downcase}_#{record.id || '<new>'}"
end
end
class DestructivePirate < Pirate
has_one :dependent_ship, :class_name => 'Ship', :foreign_key => :pirate_id, :dependent => :destroy
end
|
