SampleSyncAdapter sample code.

samples/SampleSyncAdapter/samplesyncadapter_server/model/datastore.py

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+#!/usr/bin/python2.5
+
+# Copyright (C) 2010 The Android Open Source Project
+# 
+# Licensed under the Apache License, Version 2.0 (the "License"); you may not
+# use this file except in compliance with the License. You may obtain a copy of
+# the License at
+# 
+# http://www.apache.org/licenses/LICENSE-2.0
+# 
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+"""Represents user's contact information, friends and credentials."""
+
+from google.appengine.ext import db
+
+
+class User(db.Model):
+  """Data model class to hold user objects."""
+
+  handle = db.StringProperty(required=True)
+  firstname = db.TextProperty()
+  lastname = db.TextProperty()
+  status = db.TextProperty()
+  phone_home = db.PhoneNumberProperty()
+  phone_office = db.PhoneNumberProperty()
+  phone_mobile = db.PhoneNumberProperty()
+  email = db.EmailProperty()
+  deleted = db.BooleanProperty()
+  updated = db.DateTimeProperty(auto_now_add=True)
+
+  @classmethod
+  def get_user_info(cls, username):
+    if username not in (None, ''):
+      query = cls.gql('WHERE handle = :1', username)
+      return query.get()
+    return None
+
+  @classmethod
+  def get_user_last_updated(cls, username):
+    if username not in (None, ''):
+      query = cls.gql('WHERE handle = :1', username)
+      return query.get().updated
+    return None
+
+  @classmethod
+  def get_user_id(cls, username):
+    if username not in (None, ''):
+      query = cls.gql('WHERE handle = :1', username)
+      return query.get().key().id()
+    return None
+
+  @classmethod
+  def get_user_status(cls, username):
+    if username not in (None, ''):
+      query = cls.gql('WHERE handle = :1', username)
+      return query.get().status
+    return None
+
+
+class UserCredentials(db.Model):
+  """Data model class to hold credentials for a Voiper user."""
+
+  username = db.StringProperty(required=True)
+  password = db.StringProperty()
+
+  @classmethod
+  def get(cls, username):
+    if username not in (None, ''):
+      query = cls.gql('WHERE username = :1', username)
+      return query.get().password
+    return None
+
+
+class UserFriends(db.Model):
+  """Data model class to hold user's friendlist info."""
+
+  username = db.StringProperty()
+  friend_handle = db.StringProperty(required=True)
+  updated = db.DateTimeProperty(auto_now_add=True)
+  deleted = db.BooleanProperty()
+
+  @classmethod
+  def get_friends(cls, username):
+    if username not in (None, ''):
+      query = cls.gql('WHERE username = :1', username)
+      friends = query.fetch(50)
+      return friends
+    return None