Class: ScopedSearch::Base

Inherits:
Object
  • Object
show all
Extended by:
ActiveModel::Naming
Defined in:
lib/scoped_search.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(klass, options) ⇒ Base

Returns a new instance of Base.



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# File 'lib/scoped_search.rb', line 11

def initialize(klass, options)
  @model_class       = klass
  @attributes        = options
  @attributes_merged = @attributes.reverse_merge(klass.scopes.keys.inject({}) { |m,o| m[o] = nil; m; })

  @attributes_merged.each do |attribute, value|
    class_eval <<-RUBY
      attr_accessor :#{attribute}_multi_params
    
      def #{attribute}
        @attributes[:#{attribute}]
      end
      
      def #{attribute}=(val)
        @attributes[:#{attribute}] = val
      end
    RUBY
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method_name, *args) ⇒ Object 



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# File 'lib/scoped_search.rb', line 51

def method_missing(method_name, *args)
  build_relation.send(method_name, *args)
end

Instance Attribute Details

#attributes ⇒ Object (readonly)

Returns the value of attribute attributes.



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# File 'lib/scoped_search.rb', line 9

def attributes
  @attributes
end

#attributes_merged ⇒ Object (readonly)

Returns the value of attribute attributes_merged.



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# File 'lib/scoped_search.rb', line 9

def attributes_merged
  @attributes_merged
end

#model_class ⇒ Object (readonly)

Returns the value of attribute model_class.



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# File 'lib/scoped_search.rb', line 9

def model_class
  @model_class
end

Instance Method Details

#build_relation ⇒ Object 



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# File 'lib/scoped_search.rb', line 31

def build_relation
  return model_class if attributes.empty?
  attributes.reject { |k,v| v.blank? || v.to_s == "false" }.inject(model_class) do |s, k|
    if model_class.scopes.keys.include?(k.first.to_sym)
      if k.second.is_a?(Array) && multi_params?(k.first)
        s.send(*k.flatten)
      elsif k.second.to_s == "true"
        s.send(k.first)
      else
        s.send(k.first, k.second)
      end

    else
      s
    end
  end
end

#to_key ⇒ Object 



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# File 'lib/scoped_search.rb', line 49

def to_key; nil; end