Class: ActiveScaffold::DataStructures::Association::Abstract

Inherits:
Object
  • Object
show all
Defined in:
lib/active_scaffold/data_structures/association/abstract.rb

Direct Known Subclasses

ActiveRecord, Mongoid

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(association) ⇒ Abstract

Returns a new instance of Abstract.



3
4
5
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 3

def initialize(association)
  @association = association
end

Instance Attribute Details

#reverse(klass = nil) ⇒ Object 



103
104
105
106
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 103

def reverse(klass = nil)
  @reverse ||= inverse || get_reverse&.name unless polymorphic?
  @reverse || get_reverse(klass)&.name
end

Instance Method Details

#allow_join? ⇒ Boolean

Returns:

  • (Boolean) 


11
12
13
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 11

def allow_join?
  !polymorphic?
end

#as ⇒ Object 



85
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 85

def as; end

#belongs_to? ⇒ Boolean

Returns:

  • (Boolean) 


23
24
25
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 23

def belongs_to?
  @association.macro == :belongs_to
end

#cache_count? ⇒ Boolean

Returns:

  • (Boolean) 


124
125
126
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 124

def cache_count?
  collection? && !ActiveScaffold::OrmChecks.tableless?(klass) && !reverse_association&.counter_cache
end

#collection? ⇒ Boolean

Returns:

  • (Boolean) 


43
44
45
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 43

def collection?
  has_many? || habtm?
end

#counter_cache ⇒ Object 



67
68
69
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 67

def counter_cache
  @association.options[:counter_cache]
end

#counter_cache_hack? ⇒ Boolean

Returns:

  • (Boolean) 


91
92
93
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 91

def counter_cache_hack?
  false
end

#habtm? ⇒ Boolean

Returns:

  • (Boolean) 


35
36
37
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 35

def habtm?
  @association.macro == :has_and_belongs_to_many
end

#has_many? ⇒ Boolean

rubocop:disable Naming/PredicateName

Returns:

  • (Boolean) 


31
32
33
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 31

def has_many? # rubocop:disable Naming/PredicateName
  @association.macro == :has_many
end

#has_one? ⇒ Boolean

rubocop:disable Naming/PredicateName

Returns:

  • (Boolean) 


27
28
29
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 27

def has_one? # rubocop:disable Naming/PredicateName
  @association.macro == :has_one
end

#inverse_for?(klass) ⇒ Boolean

Returns:

  • (Boolean) 


108
109
110
111
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 108

def inverse_for?(klass)
  inverse_class = reverse_association(klass)&.inverse_klass
  inverse_class.present? && (inverse_class == klass || klass < inverse_class)
end

#klass(record = nil) ⇒ Object 



15
16
17
18
19
20
21
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 15

def klass(record = nil)
  if polymorphic?
    record&.send(foreign_type)&.safe_constantize
  else
    @association.klass
  end
end

#nested? ⇒ Boolean

Returns:

  • (Boolean) 


51
52
53
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 51

def nested?
  false
end

#polymorphic? ⇒ Boolean

Returns:

  • (Boolean) 


71
72
73
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 71

def polymorphic?
  false
end

#primary_key ⇒ Object 



63
64
65
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 63

def primary_key
  @association.options[:primary_key]
end

#quoted_primary_key ⇒ Object 



99
100
101
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 99

def quoted_primary_key
  raise "define quoted_primary_key method in #{self.class.name} class"
end

#quoted_table_name ⇒ Object 



95
96
97
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 95

def quoted_table_name
  raise "define quoted_table_name method in #{self.class.name} class"
end

#readonly? ⇒ Boolean

Returns:

  • (Boolean) 


75
76
77
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 75

def readonly?
  false
end

#respond_to_target? ⇒ Boolean

Returns:

  • (Boolean) 


87
88
89
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 87

def respond_to_target?
  false
end

#reverse_association(klass = nil) ⇒ Object 



113
114
115
116
117
118
119
120
121
122
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 113

def reverse_association(klass = nil)
  assoc =
    if polymorphic?
      get_reverse(klass) unless klass.nil?
    else
      reverse_name = reverse(klass)
      reflect_on_association(reverse_name) if reverse_name
    end
  self.class.new(assoc) if assoc
end

#scope ⇒ Object 



83
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 83

def scope; end

#singular? ⇒ Boolean

Returns:

  • (Boolean) 


39
40
41
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 39

def singular?
  !collection?
end

#source_reflection ⇒ Object 



81
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 81

def source_reflection; end

#through? ⇒ Boolean

Returns:

  • (Boolean) 


47
48
49
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 47

def through?
  false
end

#through_collection? ⇒ Boolean

Returns:

  • (Boolean) 


59
60
61
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 59

def through_collection?
  through? && through_reflection.collection?
end

#through_reflection ⇒ Object 



79
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 79

def through_reflection; end

#through_singular? ⇒ Boolean

Returns:

  • (Boolean) 


55
56
57
 
# File 'lib/active_scaffold/data_structures/association/abstract.rb', line 55

def through_singular?
  through? && !through_reflection.collection?
end