Module: Readymade::Model::Filterable::ClassMethods

Defined in:
lib/readymade/model/filterable.rb

Instance Method Summary collapse

Instance Method Details

#filter_collection(filtering_params, chain_with: :and) ⇒ Object 



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# File 'lib/readymade/model/filterable.rb', line 40

def filter_collection(filtering_params, chain_with: :and)
  filtering_params.permit! if filtering_params.respond_to?(:permit)

  regular_params = filtering_params.select { |_key, value| value.present? }.to_h
  custom_params = filtering_params.to_h.select { |_key, value| value.is_a?(String) && value.start_with?('without_') }.values

  if chain_with == :and
    send_chain(regular_params, send_chain(custom_params)).all
  elsif chain_with.to_sym == :or
    send_chain_with_or(regular_params, send_chain_with_or(custom_params)).all
  else
    none
  end
end

#send_chain(methods, scope = self) ⇒ Object 



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# File 'lib/readymade/model/filterable.rb', line 9

def send_chain(methods, scope = self)
  return scope if methods.blank?

  if methods.respond_to?(:keys)
    methods.inject(scope) do |obj, (method, value)|
      obj.send(method, value)
    end
  else
    methods.inject(scope) do |obj, method|
      obj.send(method)
    end
  end
end

#send_chain_with_or(methods, scope = self) ⇒ Object 



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# File 'lib/readymade/model/filterable.rb', line 23

def send_chain_with_or(methods, scope = self)
  return scope if methods.blank?

  conditions = []
  if methods.respond_to?(:keys)
    methods.each do |scope_name, argument|
      conditions << send(scope_name, argument)
    end
  else
    methods.each do |scope_name|
      conditions << send(scope_name)
    end
  end

  where(id: conditions.inject(:or).select(:id))
end