1 files changed, 64 insertions, 0 deletions
diff --git a/js/app/services/publisher.coffee b/js/app/services/publisher.coffee
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+++ b/js/app/services/publisher.coffee
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+###
+
+ownCloud - News
+
+@author Bernhard Posselt
+@copyright 2012 Bernhard Posselt dev@bernhard-posselt.com
+
+This library is free software; you can redistribute it and/or
+modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+License as published by the Free Software Foundation; either
+version 3 of the License, or any later version.
+
+This library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+
+You should have received a copy of the GNU Affero General Public
+License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+
+###
+
+
+# Used for properly distributing received model data from the server
+angular.module('News').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 object, just subscribe
+		# to the key:
+		#	Publisher.subscribeObjectTo('modelName', myModelInstance)
+		#
+		subscribeObjectTo: (object, name) ->
+			@_subscriptions[name] or= []
+			@_subscriptions[name].push(object)
+
+
+		# 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
+\ No newline at end of file