Convert a date string to a date in Applescript

gistfile1.applescript

-- Convert date function. Call with string in YYYY-MM-DD HH:MM:SS format (time part optional)
to convertDate(textDate)
	set resultDate to the current date
	set the month of resultDate to (1 as integer)
	set the day of resultDate to (1 as integer)

	set the year of resultDate to (text 1 thru 4 of textDate)
	set the month of resultDate to (text 6 thru 7 of textDate)
	set the day of resultDate to (text 9 thru 10 of textDate)
	set the time of resultDate to 0

	if (length of textDate) > 10 then
		set the hours of resultDate to (text 12 thru 13 of textDate)
		set the minutes of resultDate to (text 15 thru 16 of textDate)

		if (length of textDate) > 16 then
			set the seconds of resultDate to (text 18 thru 19 of textDate)
		end if
	end if

	return resultDate
end convertDate

Thanks Stephen and Wayland, I've updated the Gist 👍