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Contents
module DigitalAssetsHelper
def search_da(params)
digital_assets = []
# loop thru each parameter that matches one of the method signatures
digital_assets = params.keys.select do |pk|
DigitalAsset.respond_to?("#{pk}_is".to_sym) or DigitalAsset.respond_to?("#{pk}_in".to_sym)
end.reduce(DigitalAsset) do |sum, key|
# for each key, call the 'named query' method with the value given and chain...
method = DigitalAsset.respond_to?("#{key}_in".to_sym) ? "#{key}_in".to_sym : "#{key}_is".to_sym
sum.send(method, method.to_s.end_with?('in') ? params[key].to_a : params[key]) # should return result of the send call for chaining
end
digital_assets.respond_to?(:each) ? digital_assets : []
end
end
Version data entries
63 entries across 63 versions & 1 rubygems