class @Subscription
constructor: (url) ->
$(".subscribe-button").unbind("click").click (event)=>
btn = $(event.currentTarget)
action = btn.find("span").text()
current_status = $(".subscription-status").attr("data-status")
btn.prop("disabled", true)
$.post url, =>
btn.prop("disabled", false)
status = if current_status == "subscribed" then "unsubscribed" else "subscribed"
$(".subscription-status").attr("data-status", status)
action = if status == "subscribed" then "Unsubscribe" else "Subscribe"
btn.find("span").text(action)
$(".subscription-status>div").toggleClass("hidden")