Merge pull request #771 from pyrat/master

Adding avalanche script.

Author: Tom Bell

src/scripts/avalanche.coffee

@@ -0,0 +1,85 @@
+# Description:
+#   Displays the current avalanche forecast for norway.
+#
+# Dependencies:
+#   "jsdom": "0.2.14"
+# Configuration:
+#   None
+#
+# Commands:
+#   hubot avy me - Return a breakdown of the avalanche forecast from varsom.no
+#
+# Author:
+#   Alastair Brunton
+
+jsdom = require 'jsdom'
+
+getScores = ($, cb) ->
+  results = []
+  area_scores = {}
+  trs = $("tr")
+  tr_length = trs.length
+
+  trs.each ((index) ->
+    getRiskValues($, $(this), (err, values) ->
+      results.push values
+      if results.length == tr_length - 1
+        cb null, results
+      else
+        # do nothing
+    )
+  )
+
+getRiskValues = ($, element, cb) ->
+  riskValues = []
+  element.children("td.hazard").each((index) ->
+    riskValues.push $(this).text().trim()
+    if riskValues.length == 3
+      cb null, riskValues
+    else
+      # do nothing
+  )
+
+getPlaces = ($, cb) ->
+  locations = $("span.location")
+  locationNames = []
+  numLocations = locations.length
+  locations.each((index) ->
+    $(this).children().each((index2) ->
+      locationNames.push $(this).text()
+      if locationNames.length == numLocations
+        cb null, locationNames
+      else
+        # do nothing
+    )
+  
+  )
+
+joinArs = (places, scores) ->
+  joinedAr = []
+  i = 0
+  for place in places
+    score = scores[i].join(" ")
+    joinedAr.push("#{place} #{score}")
+    i = i + 1
+  joinedAr.join("\n")
+
+
+module.exports = (robot)->
+  robot.respond /avy me/i, (msg) ->
+    jsdom.env("http://varsom.no/Snoskred/", ['http://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js'],
+    (errors, window) ->
+      $ = window.$
+
+      getScores($, (err, scores) ->
+        getPlaces($, (err, places) ->
+          avyReport = joinArs(places, scores)
+          msg.send avyReport
+        )
+      )
+    )
+    
+
+
+
+