initial commit from appmail

app/assets/javascripts/application/elements/mail_graph.coffee

@@ -0,0 +1,32 @@
+$(document).on 'turbolinks:load', ->
+
+  mailGraph = $('.mailGraph')
+
+  if mailGraph.length
+    data = JSON.parse(mailGraph.attr('data-data'))
+    incomingMail = []
+    outgoingMail = []
+    for d in data
+      incomingMail.push(d.incoming)
+      outgoingMail.push(d.outgoing)
+
+    data =
+      series: [outgoingMail, incomingMail]
+    options =
+      fullWidth: true
+      axisY:
+        offset:40
+      axisX:
+        showGrid: false
+        offset: 0
+        showLabel: true
+      height: '230px'
+      showArea: true
+      high: if incomingMail? && incomingMail.length then undefined else 1000
+      chartPadding:
+        top:0
+        right:0
+        bottom:0
+        left:0
+
+    new Chartist.Line '.mailGraph__graph', data, options