1// Copyright 2014 The Chromium 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 "google_apis/gcm/engine/account_mapping.h"
6
7#include "base/strings/string_number_conversions.h"
8#include "base/strings/string_util.h"
9
10namespace gcm {
11
12namespace {
13
14const char kSeparator[] = "&";
15const uint32 kEmailIndex = 0;
16const uint32 kStatusIndex = 1;
17const uint32 kStatusChangeTimestampIndex = 2;
18const uint32 kSizeWithNoMessage = kStatusChangeTimestampIndex + 1;
19const uint32 kMessageIdIndex = 3;
20const uint32 kSizeWithMessage = kMessageIdIndex + 1;
21
22const char kStatusNew[] = "new";
23const char kStatusAdding[] = "adding";
24const char kStatusMapped[] = "mapped";
25const char kStatusRemoving[] = "removing";
26
27std::string StatusToString(AccountMapping::MappingStatus status) {
28  switch (status) {
29    case AccountMapping::NEW:
30      return kStatusNew;
31    case AccountMapping::ADDING:
32      return kStatusAdding;
33    case AccountMapping::MAPPED:
34      return kStatusMapped;
35    case AccountMapping::REMOVING:
36      return kStatusRemoving;
37    default:
38      NOTREACHED();
39  }
40  return std::string();
41}
42
43bool StringToStatus(const std::string& status_str,
44                    AccountMapping::MappingStatus* status) {
45  if (status_str.compare(kStatusAdding) == 0)
46    *status = AccountMapping::ADDING;
47  else if (status_str.compare(kStatusMapped) == 0)
48    *status = AccountMapping::MAPPED;
49  else if (status_str.compare(kStatusRemoving) == 0)
50    *status = AccountMapping::REMOVING;
51  else if (status_str.compare(kStatusNew) == 0)
52    *status = AccountMapping::NEW;
53  else
54    return false;
55
56  return true;
57}
58
59}  // namespace
60
61AccountMapping::AccountMapping() : status(NEW) {
62}
63
64AccountMapping::~AccountMapping() {
65}
66
67std::string AccountMapping::SerializeAsString() const {
68  std::string value;
69  value.append(email);
70  value.append(kSeparator);
71  value.append(StatusToString(status));
72  value.append(kSeparator);
73  value.append(base::Int64ToString(status_change_timestamp.ToInternalValue()));
74  if (!last_message_id.empty()) {
75    value.append(kSeparator);
76    value.append(last_message_id);
77  }
78
79  return value;
80}
81
82bool AccountMapping::ParseFromString(const std::string& value) {
83  std::vector<std::string> values;
84  Tokenize(value, kSeparator, &values);
85  if (values.size() != kSizeWithNoMessage &&
86      values.size() != kSizeWithMessage) {
87    return false;
88  }
89
90  if (values[kEmailIndex].empty() ||
91      values[kStatusChangeTimestampIndex].empty() ||
92      values[kStatusIndex].empty()) {
93    return false;
94  }
95
96  if (values.size() == kSizeWithMessage && values[kMessageIdIndex].empty())
97    return false;
98
99  MappingStatus temp_status;
100  if (!StringToStatus(values[kStatusIndex], &temp_status))
101    return false;
102
103  if (values.size() == kSizeWithNoMessage &&
104      (temp_status == REMOVING || temp_status == ADDING)) {
105    return false;
106  }
107
108  int64 status_change_ts_internal = 0LL;
109  if (!base::StringToInt64(values[kStatusChangeTimestampIndex],
110                           &status_change_ts_internal)) {
111    return false;
112  }
113
114  status_change_timestamp =
115      base::Time::FromInternalValue(status_change_ts_internal);
116  status = temp_status;
117  email = values[kEmailIndex];
118  access_token.clear();
119
120  if (values.size() == kSizeWithMessage)
121    last_message_id = values[kMessageIdIndex];
122  else
123    last_message_id.clear();
124
125  return true;
126}
127
128}  // namespace gcm
129