Find Missing Dates between a Date Range

Missing Dates.rb

			a = []
			output.each do |x|
				a << x["converted_date"]
			end
			b = (output.first["converted_date"]..output.last["converted_date"]).to_a
			zeroValueDates = (b.map{ |date| date.strftime("%b %Y") } - a.map{ |date| date.strftime("%b %Y") }).uniq
			
			zeroValueDates.each do |zvd|
				zvd = DateTime.parse(zvd)
				output << {"repo"=> repo , "state"=>"closed", "closed_year"=>zvd.strftime("%Y").to_i, "closed_month"=>zvd.strftime("%m").to_i, "count"=>0, "converted_date"=>zvd}
			end