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# File 'lib/expose_model/expose_model.rb', line 3
def expose_model(model = nil)
raise ArgumentError.new('expose_model requires a model name') if model.nil?
model = model.to_s
models = model.pluralize
class_name = model.camelize
class_eval(
<<-EOM
helper_method :#{model}, :#{models}
def #{models}
@#{models} ||= #{class_name}.all
end
private :#{models}
def #{model}
@#{model} ||= if params[:id]
#{class_name}.find params[:id]
else
#{class_name}.new params[:#{model}]
end
end
private :#{model}
EOM
)
end
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