Merge pull request #153 from oskarhane/url-param-api

Expose URL param API to populate editor

Author: eve-bright

app/scripts/controllers/Main.coffee

@@ -178,6 +178,15 @@ angular.module('neo4jApp.controllers')
 
   .run([
     '$rootScope'
-    ($scope) ->
+    'Utils'
+    'Settings'
+    'Editor'
+    ($scope, Utils, Settings, Editor) ->
       $scope.unauthorized = yes
+
+      if cmdParam = Utils.getUrlParam('cmd', window.location.href)
+        return unless cmdParam[0] is 'play'
+        cmdCommand = "#{Settings.cmdchar}#{cmdParam[0]} "
+        cmdArgs = Utils.getUrlParam('arg', decodeURIComponent(window.location.href)) || []
+        Editor.setContent(cmdCommand + cmdArgs.join(' '))
   ])

lib/helpers.coffee

@@ -168,3 +168,11 @@ class neo.helpers
         flat
       , [])
 
+    @getUrlParam = (name, theLocation) ->
+      return no unless theLocation
+      out = []
+      re = new RegExp('[\\?&]' + name + '=([^&#]*)', 'g')
+      while (results = re.exec(theLocation)) isnt null
+        out.push(results[1]) if results and results[1]
+      return undefined if not out.length
+      out

test/spec/other/utils.coffee

@@ -151,3 +151,24 @@ describe 'Utils', () ->
   it 'should flatten nested arrays', ->
     t1 = [1, [2], [[3], 'hello', {k: 1}]]
     expect(JSON.stringify(Utils.flattenArray(t1))).toBe(JSON.stringify([1, 2, 3, 'hello', {k: 1}]))
+
+  it 'should read URL params correctly', ->
+    urls = [
+      {location: 'http://neo4j.com/?param=1', paramName: 'param', expect: '1'},
+      {location: 'http://neo4j.com/?param2=2&param=1', paramName: 'param', expect: '1'},
+      {location: 'http://neo4j.com/?param=', paramName: 'param', expect: undefined},
+      {location: 'http://neo4j.com/', paramName: 'param', expect: undefined}
+    ]
+    urls.forEach((tCase) -> 
+      res = Utils.getUrlParam tCase.paramName, tCase.location
+      val = if res then res[0] else res
+      expect(val).toBe(tCase.expect)
+    )
+
+  it 'should read URL array params correctly', ->
+    single = 'http://neo4j.com/?cmd=play&arg=cypher'
+    expect(Utils.getUrlParam('arg', single)[0]).toBe('cypher')
+
+    multi = 'http://neo4j.com/?cmd=play&arg=cypher&arg=hello'
+    expect(Utils.getUrlParam('arg', multi)[0]).toBe('cypher')
+    expect(Utils.getUrlParam('arg', multi)[1]).toBe('hello')