Add URL generator / json parser for getting start_page_token of changes.

google_apis/drive/drive_api_url_generator.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "google_apis/drive/drive_api_url_generator.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "google_apis/drive/drive_switches.h"
 #include "google_apis/google_api_keys.h"
 #include "net/base/escape.h"
 #include "net/base/url_util.h"
 
 namespace google_apis {
 
 namespace {
 
 // Hard coded URLs for communication with a google drive server.
 // TODO(yamaguchi): Make a utility function to compose some of these URLs by a
 // version and a resource name.
 const char kDriveV2AboutUrl[] = "drive/v2/about";
 const char kDriveV2AppsUrl[] = "drive/v2/apps";
 const char kDriveV2ChangelistUrl[] = "drive/v2/changes";
+const char kDriveV2ChangesGetStartPageTokenUrl[] =
+    "drive/v2/changes/startPageToken";
 const char kDriveV2FilesUrl[] = "drive/v2/files";
 const char kDriveV2FileUrlPrefix[] = "drive/v2/files/";
 const char kDriveV2ChildrenUrlFormat[] = "drive/v2/files/%s/children";
 const char kDriveV2ChildrenUrlForRemovalFormat[] =
     "drive/v2/files/%s/children/%s";
 const char kDriveV2FileCopyUrlFormat[] = "drive/v2/files/%s/copy";
 const char kDriveV2FileDeleteUrlFormat[] = "drive/v2/files/%s";
 const char kDriveV2FileTrashUrlFormat[] = "drive/v2/files/%s/trash";
 const char kDriveV2UploadNewFileUrl[] = "upload/drive/v2/files";
 const char kDriveV2UploadExistingFileUrlPrefix[] = "upload/drive/v2/files/";
@@ skipping 180 matching lines @@
 }
 
 GURL DriveApiUrlGenerator::GetFilesTrashUrl(const std::string& file_id) const {
   GURL url = base_url_.Resolve(base::StringPrintf(
       kDriveV2FileTrashUrlFormat, net::EscapePath(file_id).c_str()));
   if (enable_team_drives_)
     url = net::AppendOrReplaceQueryParameter(url, kSupportsTeamDrives, "true");
   return url;
 }
 
+GURL DriveApiUrlGenerator::GetChangesGetStartPageTokenUrl(
+    const std::string& team_drive_id) const {
+  GURL url = base_url_.Resolve(kDriveV2ChangesGetStartPageTokenUrl);
+  if (enable_team_drives_) {
+    url = net::AppendOrReplaceQueryParameter(url, kSupportsTeamDrives, "true");
+    if (!team_drive_id.empty()) {
+      url =
+          net::AppendOrReplaceQueryParameter(url, "teamDriveId", team_drive_id);
+    }
+  }
+  return url;
+}
+
 GURL DriveApiUrlGenerator::GetChangesListUrl(
     bool include_deleted,
     int max_results,
     const std::string& page_token,
     int64_t start_change_id,
     const std::string& team_drive_id) const {
   DCHECK_GE(start_change_id, 0);
 
   GURL url = base_url_.Resolve(kDriveV2ChangelistUrl);
   if (enable_team_drives_) {
@@ skipping 149 matching lines @@
     url = net::AppendOrReplaceQueryParameter(url, "maxResults",
                                              base::IntToString(max_results));
   }
   if (!page_token.empty())
     url = net::AppendOrReplaceQueryParameter(url, "pageToken", page_token);
 
   return url;
 }
 
 }  // namespace google_apis