gistfile1.coffee

LW.GithubSource = LW.Model.extend
  # Example: [master, develop]
  branches: DS.attr('array')
  # Returns a list that looks like "master, and develop"
  # If setting, just takes a comma separated list "master, develop" and turns it into [master, develop]
  comma_branches: ((key, value)->
    arguments[0] = 'branches'
    @comma_separated.apply @, arguments
  ).property('branches')
  
LW.Model = DS.Model.extend
comma_separated: (property, value)->
  if arguments.length > 1
    # Filter out blank values created from splitting a list like "master,,,,,,develop"
    @set property, value.split(',').filter (x) -> not Em.isBlank(x)
  if @get property
    arr = @get(property).filter (x) -> not Em.isBlank(x)
    last = arr.length - 1
    arr[last] = 'and ' + arr[last] if arr.length > 1
    arr.join(', ')

# This datatype is very straightforward.
LW.ArrayTransform = DS.Transform.extend
  deserialize: (data)->
    return data if data instanceof Array
    null

  serialize: (data)->
    return data if data instanceof Array
    null