Class: ActiveRecord::DynamicScopeMatch

Inherits:
Object
  • Object
show all
Defined in:
activerecord/lib/active_record/dynamic_scope_match.rb

Overview

Active Record Dynamic Scope Match

Provides dynamic attribute-based scopes such as scoped_by_price(4.99) if, for example, the Product has an attribute with that name. You can chain more scoped_by_* methods after the other. It acts like a named scope except that it’s dynamic.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(scope, attribute_names) ⇒ DynamicScopeMatch

Returns a new instance of DynamicScopeMatch.



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# File 'activerecord/lib/active_record/dynamic_scope_match.rb', line 15

def initialize(scope, attribute_names)
  @scope           = scope
  @attribute_names = attribute_names
end

Instance Attribute Details

#attribute_names ⇒ Object (readonly)

Returns the value of attribute attribute_names



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# File 'activerecord/lib/active_record/dynamic_scope_match.rb', line 20

def attribute_names
  @attribute_names
end

#scope ⇒ Object (readonly) Also known as: scope?

Returns the value of attribute scope



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# File 'activerecord/lib/active_record/dynamic_scope_match.rb', line 20

def scope
  @scope
end

Class Method Details

.match(method) ⇒ Object 



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# File 'activerecord/lib/active_record/dynamic_scope_match.rb', line 10

def self.match(method)
  return unless method.to_s =~ /^scoped_by_([_a-zA-Z]\w*)$/
  new(true, $1 && $1.split('_and_'))
end