Class: SelfishAssociations::ScopeReaders::Instance

Inherits:
BasicObject
Defined in:
lib/selfish_associations/scope_readers/instance.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(instance) ⇒ Instance

Returns a new instance of Instance.



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# File 'lib/selfish_associations/scope_readers/instance.rb', line 6

def initialize(instance)
  @instance = Nilifier.new(instance)
  @attributes_for_find = {}
  @attributes_for_create = {}
end

Instance Attribute Details

#attributes_for_create ⇒ Object (readonly)

Returns the value of attribute attributes_for_create.



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# File 'lib/selfish_associations/scope_readers/instance.rb', line 4

def attributes_for_create
  @attributes_for_create
end

#attributes_for_find ⇒ Object (readonly)

Returns the value of attribute attributes_for_find.



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# File 'lib/selfish_associations/scope_readers/instance.rb', line 4

def attributes_for_find
  @attributes_for_find
end

Instance Method Details

#create_with(conditions) ⇒ Object 



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# File 'lib/selfish_associations/scope_readers/instance.rb', line 25

def create_with(conditions)
  unnilify(conditions)
  @attributes_for_create.merge!(conditions)
  return self
end

#read(scope) ⇒ Object 



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# File 'lib/selfish_associations/scope_readers/instance.rb', line 12

def read(scope)
  args = scope.arity == 0 ? [] : [@instance]
  instance_exec(*args, &scope)
  return self
end

#unnilify(conditions) ⇒ Object 



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# File 'lib/selfish_associations/scope_readers/instance.rb', line 31

def unnilify(conditions)
  conditions.keys.each do |key|
    conditions[key] = conditions[key].unnilify if conditions[key].respond_to?(:unnilify?)
  end
end

#where(conditions) ⇒ Object 



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# File 'lib/selfish_associations/scope_readers/instance.rb', line 18

def where(conditions)
  unnilify(conditions)
  create_with(conditions)
  @attributes_for_find.merge!(conditions)
  return self
end