Class: PassiveRecord::Associations::HasOneRelation
- Inherits:
-
Relation
- Object
- Struct
- Relation
- PassiveRecord::Associations::HasOneRelation
show all
- Defined in:
- lib/passive_record/associations/has_one.rb
Instance Attribute Summary
Attributes inherited from Relation
#association, #parent_model
Instance Method Summary
collapse
Methods inherited from Relation
#singular?
Instance Method Details
#child_class ⇒ Object
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# File 'lib/passive_record/associations/has_one.rb', line 42
def child_class
module_name = association.parent_class.name.deconstantize
module_name = "Object" if module_name.empty?
(module_name.constantize).const_get(association.child_class_name.singularize)
end
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#child_class_name ⇒ Object
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# File 'lib/passive_record/associations/has_one.rb', line 52
def child_class_name
child_class.name
end
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#create(attrs = {}) ⇒ Object
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# File 'lib/passive_record/associations/has_one.rb', line 26
def create(attrs={})
child_class.create(
attrs.merge(
parent_model_id_field => parent_model.id
)
)
end
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#id ⇒ Object
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# File 'lib/passive_record/associations/has_one.rb', line 48
def id
parent_model.id
end
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#lookup ⇒ Object
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# File 'lib/passive_record/associations/has_one.rb', line 22
def lookup
child_class.find_by(parent_model_id_field => parent_model.id)
end
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#lookup_or_create ⇒ Object
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# File 'lib/passive_record/associations/has_one.rb', line 34
def lookup_or_create
lookup || create
end
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#parent_model_id_field ⇒ Object
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# File 'lib/passive_record/associations/has_one.rb', line 38
def parent_model_id_field
association.parent_class.name.demodulize.underscore + "_id"
end
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