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###
# ownCloud
#
# @author Bernhard Posselt
# Copyright (c) 2012 - Bernhard Posselt <nukeawhale@gmail.com>
#
# This file is licensed under the Affero General Public License version 3 or later.
# See the COPYING-README file
#
###
###
# Used for properly distributing received model data from the server
###
angular.module('OC').factory '_Publisher', ->
class Publisher
constructor: ->
@subscriptions = {}
# Use this to subscribe to a certain hashkey in the returned json data
# dictionary.
# If you send JSON from the server, you'll receive something like this
#
# {
# data: {
# modelName: {
# create: [{id: 1, name: 'john'}, {id: 2, name: 'ron'}],
# update: [],
# delete: []
# }
# }
# }
#
# To get the array ['one', 'two'] passed to your model, just subscribe
# to the key:
# Publisher.subscribeModelTo('modelName', myModelInstance)
#
subscribeModelTo: (model, name) ->
@subscriptions[name] or= []
@subscriptions[name].push(model)
# This will publish data from the server to all registered subscribers
# The parameter 'name' is the name under which subscribers have registered
publishDataTo: (data, name) ->
for subscriber in @subscriptions[name] || []
subscriber.handle(data)
return Publisher
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