Ruby

Time ago and Time from now

# expects seconds, returns pretty string of how long ago event happened
def ago(seconds)
  a = seconds
  case a
		when 0 then "just now"
		when 1 then "a second ago"
		when 2..59 then a.to_s+" seconds ago"
		when 60..119 then "a minute ago" #120 = 2 minutes
		when 120..3540 then (a/60).to_i.to_s+" minutes ago"
		when 3541..7100 then "an hour ago" # 3600 = 1 hour
		when 7101..82800 then ((a+99)/3600).to_i.to_s+" hours ago"
		when 82801..172000 then "a day ago" # 86400 = 1 day
		when 172001..518400 then ((a+800)/(60*60*24)).to_i.to_s+" days ago"
		when 518400..1036800 then "a week ago"
		else ((a+180000)/(60*60*24*7)).to_i.to_s+" weeks ago"
  end
end

# expects seconds, returns pretty string of expected time
def time_from_now(a)
	# where a is seconds
	case a
		when -1 then "never"
		when 0 then "just now"
		when 1 then "in one second"
		when 2..59 then "in #{a.to_s} seconds"
		when 60..119 then "in a minute" #120 = 2 minutes
		when 120..3540 then "in #{(a/60).to_i.to_s} minutes"
		when 3541..7100 then "in an hour" # 3600 = 1 hour
		when 7101..82800 then "in #{((a+99)/3600).to_i.to_s} hours"
		when 82801..172000 then "in one day" # 86400 = 1 day
		when 172001..518400 then "in #{((a+800)/(60*60*24)).to_i.to_s} days"
		when 518401..1036800 then "in a week"
		when 1036801..2433600 then "in #{((a+180000)/(60*60*24*7)).to_i.to_s} weeks"
		else "in #{((a+180000)/(60*60*24*7) / 4).to_i.to_s} month(s)"
	end
end