1 // Copyright 2015 The Weave Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "src/notification/notification_parser.h"
6 
7 #include <base/logging.h>
8 
9 namespace weave {
10 
11 namespace {
12 
13 // Processes COMMAND_CREATED notifications.
ParseCommandCreated(const base::DictionaryValue & notification,NotificationDelegate * delegate,const std::string & channel_name)14 bool ParseCommandCreated(const base::DictionaryValue& notification,
15                          NotificationDelegate* delegate,
16                          const std::string& channel_name) {
17   const base::DictionaryValue* command = nullptr;
18   if (!notification.GetDictionary("command", &command)) {
19     LOG(ERROR) << "COMMAND_CREATED notification is missing 'command' property";
20     return false;
21   }
22 
23   delegate->OnCommandCreated(*command, channel_name);
24   return true;
25 }
26 
27 // Processes DEVICE_DELETED notifications.
ParseDeviceDeleted(const base::DictionaryValue & notification,NotificationDelegate * delegate)28 bool ParseDeviceDeleted(const base::DictionaryValue& notification,
29                         NotificationDelegate* delegate) {
30   std::string cloud_id;
31   if (!notification.GetString("deviceId", &cloud_id)) {
32     LOG(ERROR) << "DEVICE_DELETED notification is missing 'deviceId' property";
33     return false;
34   }
35 
36   delegate->OnDeviceDeleted(cloud_id);
37   return true;
38 }
39 
40 }  // anonymous namespace
41 
ParseNotificationJson(const base::DictionaryValue & notification,NotificationDelegate * delegate,const std::string & channel_name)42 bool ParseNotificationJson(const base::DictionaryValue& notification,
43                            NotificationDelegate* delegate,
44                            const std::string& channel_name) {
45   CHECK(delegate);
46 
47   std::string kind;
48   if (!notification.GetString("kind", &kind) || kind != "weave#notification") {
49     LOG(WARNING) << "Push notification should have 'kind' property set to "
50                     "weave#notification";
51     return false;
52   }
53 
54   std::string type;
55   if (!notification.GetString("type", &type)) {
56     LOG(WARNING) << "Push notification should have 'type' property";
57     return false;
58   }
59 
60   if (type == "COMMAND_CREATED")
61     return ParseCommandCreated(notification, delegate, channel_name);
62 
63   if (type == "DEVICE_DELETED")
64     return ParseDeviceDeleted(notification, delegate);
65 
66   // Here we ignore other types of notifications for now.
67   LOG(INFO) << "Ignoring push notification of type " << type;
68   return true;
69 }
70 
71 }  // namespace weave
72