From c56dadd27b0672e8929b39d9a7f5de7f9f76c40d Mon Sep 17 00:00:00 2001
From: Ed Page <eopage@byu.net>
Date: Tue, 29 Sep 2009 21:57:39 -0500
Subject: [PATCH] Adding a contacts cache manager with callbacks

---
 src/gvoice/addressbook.py |   38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 src/gvoice/addressbook.py

diff --git a/src/gvoice/addressbook.py b/src/gvoice/addressbook.py
new file mode 100644
index 0000000..e796583
--- /dev/null
+++ b/src/gvoice/addressbook.py
@@ -0,0 +1,38 @@
+#!/usr/bin/python
+
+
+import logging
+
+
+_moduleLogger = logging.getLogger("gvoice.addressbook")
+
+
+class Addressbook(object):
+
+	def __init__(self, backend):
+		self._backend = backend
+		self._contacts = {}
+
+	def clear_cache(self):
+		self._contacts.clear()
+
+	def get_contacts(self):
+		self._populate_contacts()
+		return self._contacts.iterkeys()
+
+	def get_contact_details(self, contactId):
+		self._populate_contacts()
+		self._populate_contact_details(contactId)
+		return self._contacts[contactId]
+
+	def _populate_contacts(self):
+		if self._contacts:
+			return
+		contacts = self._backend.get_contacts()
+		for contactId, contactName in contacts:
+			self._contacts[contactId] = None
+
+	def _populate_contact_details(self, contactId):
+		if self._contacts[contactId] is not None:
+			return
+		self._contacts[contactId] = self._backend.get_contact_details(contactId)
-- 
1.7.9.5