From 467f320d98fd9279d234b9aea1b8fbf19f710900 Mon Sep 17 00:00:00 2001
From: Bernhard Posselt <nukeawhale@gmail.com>
Date: Thu, 7 Feb 2013 00:21:02 +0100
Subject: moved from cakefile to grunt

---
 coffee/lib/services/publisher.coffee | 54 ++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 coffee/lib/services/publisher.coffee

(limited to 'coffee/lib/services/publisher.coffee')

diff --git a/coffee/lib/services/publisher.coffee b/coffee/lib/services/publisher.coffee
new file mode 100644
index 000000000..4d8788726
--- /dev/null
+++ b/coffee/lib/services/publisher.coffee
@@ -0,0 +1,54 @@
+###
+# 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
\ No newline at end of file
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