Class: RailsAdmin::Adapters::ActiveRecord::Association

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_admin/adapters/active_record/association.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(association, model) ⇒ Association

Returns a new instance of Association.



7
8
9
10
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 7

def initialize(association, model)
  @association = association
  @model = model
end

Instance Attribute Details

#association ⇒ Object (readonly)

Returns the value of attribute association.



5
6
7
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 5

def association
  @association
end

#model ⇒ Object (readonly)

Returns the value of attribute model.



5
6
7
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 5

def model
  @model
end

Instance Method Details

#as ⇒ Object 



53
54
55
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 53

def as
  options[:as].try :to_sym
end

#association? ⇒ Boolean

Returns:

  • (Boolean) 


75
76
77
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 75

def association?
  true
end

#foreign_inverse_of ⇒ Object 



49
50
51
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 49

def foreign_inverse_of
  nil
end

#foreign_key ⇒ Object 



36
37
38
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 36

def foreign_key
  association.foreign_key.to_sym
end

#foreign_key_nullable? ⇒ Boolean

Returns:

  • (Boolean) 


40
41
42
43
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 40

def foreign_key_nullable?
  return true if foreign_key.nil? || type != :has_many
  (column = klass.columns_hash[foreign_key.to_s]).nil? || column.null
end

#foreign_type ⇒ Object 



45
46
47
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 45

def foreign_type
  options[:foreign_type].try(:to_sym) || :"#{name}_type" if options[:polymorphic]
end

#inverse_of ⇒ Object 



61
62
63
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 61

def inverse_of
  options[:inverse_of].try :to_sym
end

#klass ⇒ Object 



24
25
26
27
28
29
30
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 24

def klass
  if options[:polymorphic]
    polymorphic_parents(:active_record, model.name.to_s, name) || []
  else
    association.klass
  end
end

#name ⇒ Object 



12
13
14
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 12

def name
  association.name.to_sym
end

#nested_options ⇒ Object 



71
72
73
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 71

def nested_options
  model.nested_attributes_options.try { |o| o[name.to_sym] }
end

#polymorphic? ⇒ Boolean

Returns:

  • (Boolean) 


57
58
59
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 57

def polymorphic?
  options[:polymorphic] || false
end

#pretty_name ⇒ Object 



16
17
18
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 16

def pretty_name
  name.to_s.tr('_', ' ').capitalize
end

#primary_key ⇒ Object 



32
33
34
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 32

def primary_key
  (options[:primary_key] || association.klass.primary_key).try(:to_sym) unless polymorphic?
end

#read_only? ⇒ Boolean

Returns:

  • (Boolean) 


65
66
67
68
69
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 65

def read_only?
  (klass.all.instance_eval(&scope).readonly_value if scope.is_a? Proc) ||
    association.nested? ||
    false
end

#type ⇒ Object 



20
21
22
 
# File 'lib/rails_admin/adapters/active_record/association.rb', line 20

def type
  association.macro
end