1 files changed, 44 insertions, 0 deletions
diff --git a/static/js/index.coffee b/static/js/index.coffee
new file mode 100644
index 00000000..090abbe2
--- /dev/null
+++ b/static/js/index.coffee
@@ -0,0 +1,44 @@
+#= require js/jquery-1.8.2.min.js
+#= require js/bootstrap.min.js
+
+g = exports ? this
+
+$(->
+  fetchExchangeRate('ask') 
+  fetchExchangeRate('bid') 
+
+  $('#username').blur(->
+    $.get(
+      "/#{$(this).val()}/exists", 
+      username: $(this).val(),
+      (data) ->
+        if data is "true"
+          $('#username').prev().css('color', 'red').html('Username (taken)')
+          g.preventSubmit = true
+        else
+          $('#username').prev().css('color', 'black').html('Username')
+          g.preventSubmit = false
+    )
+  )
+
+  $('#signup').submit(->
+    return false if g.preventSubmit
+    return true
+  )
+)
+
+fetchExchangeRate = (type) ->
+  commission = 0.015
+  commission *= -1 if type is 'bid'
+
+  $.ajax(
+    url: "/ticker?symbol=virtexCAD&type=#{type}&amount=100",
+    success: (exchange) -> 
+      if not exchange?
+        exchange = '??'
+
+      exchange = exchange - exchange * commission
+      $("##{type}").html(exchange.toFixed(2))
+    error: -> 
+      $("##{type}").html('??')
+  )