Add system names into delta messages

app/lib/SystemNameLoader.coffee

@@ -0,0 +1,10 @@
+CocoClass = require 'lib/CocoClass'
+
+namesCache = {}
+
+class SystemNameLoader extends CocoClass
+  getName: (id) -> namesCache[id]?.name
+
+  setName: (system) -> namesCache[system.get('original')] = {name:system.get('name')}
+
+module.exports = new SystemNameLoader()

app/lib/deltas.coffee

@@ -1,3 +1,4 @@
+SystemNameLoader = require 'lib/SystemNameLoader'
 ### 
   Good-to-knows:
     dataPath: an array of keys that walks you up a JSON object that's being patched
@@ -73,7 +74,7 @@ expandFlattenedDelta = (delta, left, schema) ->
     humanKey = null
     childData = if i is delta.dataPath.length-1 and delta.action is 'added' then o[0] else childLeft
     humanKey ?= childData.name or childData.id if childData
-    humanKey ?= "#{childSchema.title} ##{key+1}" if childSchema.title and _.isNumber(key)
+    humanKey ?= SystemNameLoader.getName(childData?.original)
     humanKey ?= "#{childSchema.title}" if childSchema.title
     humanKey ?= _.string.titleize key
     humanPath.push humanKey
@@ -155,4 +156,4 @@ prunePath = (delta, path) ->
   else
     prunePath delta[path[0]], path.slice(1)
     keys = (k for k in _.keys(delta[path[0]]) when k isnt '_t')
-    delete delta[path[0]] if keys.length is 0
+    delete delta[path[0]] if keys.length is 0

app/models/LevelSystem.coffee

@@ -1,4 +1,5 @@
 CocoModel = require('./CocoModel')
+SystemNameLoader = require('lib/SystemNameLoader')
 
 module.exports = class LevelSystem extends CocoModel
   @className: "LevelSystem"
@@ -16,6 +17,7 @@ module.exports = class LevelSystem extends CocoModel
   onLoaded: ->
     super()
     @set 'js', @compile(@get 'code') unless @get 'js'
+    SystemNameLoader.setName @
 
   compile: (code) ->
     if @get('language') and @get('language') isnt 'coffeescript'