New session implementation

A new implementation of a TR-069 session that takes a declarative
approach and makes use of the new data model functions.

lib/provisions.coffee

@@ -0,0 +1,46 @@
+###
+# Copyright 2013-2016  Zaid Abdulla
+#
+# GenieACS is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Affero General Public License as
+# published by the Free Software Foundation, either version 3 of the
+# License, or (at your option) any later version.
+#
+# GenieACS 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 GenieACS.  If not, see <http://www.gnu.org/licenses/>.
+###
+
+common = require './common'
+
+
+processProvision = (type, args, callback) ->
+  switch type
+    when 'refresh'
+      declarations = []
+      path = common.parsePath(args[0])
+      declaration = [args[1], null, null, null, null, null, args[1]]
+      for i in [path.length...14] by 1
+        path = path.slice()
+        path.length = i
+        declarations.push([path].concat(declaration))
+
+      return callback(null, declarations)
+
+    when 'value'
+      declarations = [[common.parsePath(args[0]), args[1], null, null, null, null, null, args[1]]]
+      return callback(null, declarations)
+
+    when 'tag'
+      declarations = [[['Tags', args[0]], null, null, null, null, null, null, null, [args[1], 'xsd:boolean']]]
+      return callback(null, declarations)
+
+    else
+      return callback(new Error("Unknown provision type '#{type}'"))
+
+
+exports.processProvision = processProvision