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// 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 "chrome/browser/google_apis/gdata_wapi_url_generator.h"
#include "base/logging.h"
#include "base/stringprintf.h"
#include "chrome/common/net/url_util.h"
#include "googleurl/src/gurl.h"
#include "net/base/escape.h"
namespace google_apis {
namespace {
// URL requesting resource list that belong to the authenticated user only
// (handled with '/-/mine' part).
const char kGetResourceListURLForAllDocuments[] =
"/feeds/default/private/full/-/mine";
// URL requesting resource list in a particular directory specified by "%s"
// that belong to the authenticated user only (handled with '/-/mine' part).
const char kGetResourceListURLForDirectoryFormat[] =
"/feeds/default/private/full/%s/contents/-/mine";
// Content URL for modification in a particular directory specifyied by "%s"
// which will be replaced with its resource id.
const char kContentURLFormat[] = "/feeds/default/private/full/%s/contents";
// Content URL for removing a resource specified by the latter "%s" from the
// directory specified by the former "%s".
const char kResourceURLForRemovalFormat[] =
"/feeds/default/private/full/%s/contents/%s";
// URL requesting single resource entry whose resource id is specified by "%s".
const char kGetEditURLFormat[] = "/feeds/default/private/full/%s";
// Root resource list url.
const char kResourceListRootURL[] = "/feeds/default/private/full";
// Metadata feed with things like user quota.
const char kAccountMetadataURL[] = "/feeds/metadata/default";
#ifndef NDEBUG
// Use smaller 'page' size while debugging to ensure we hit feed reload
// almost always. Be careful not to use something too small on account that
// have many items because server side 503 error might kick in.
const int kMaxDocumentsPerFeed = 500;
const int kMaxDocumentsPerSearchFeed = 50;
#else
const int kMaxDocumentsPerFeed = 500;
const int kMaxDocumentsPerSearchFeed = 50;
#endif
// URL requesting documents list that shared to the authenticated user only
const char kGetResourceListURLForSharedWithMe[] =
"/feeds/default/private/full/-/shared-with-me";
// URL requesting documents list of changes to documents collections.
const char kGetChangesListURL[] = "/feeds/default/private/changes";
} // namespace
const char GDataWapiUrlGenerator::kBaseUrlForProduction[] =
"https://docs.google.com/";
// static
GURL GDataWapiUrlGenerator::AddStandardUrlParams(const GURL& url) {
GURL result =
chrome_common_net::AppendOrReplaceQueryParameter(url, "v", "3");
result =
chrome_common_net::AppendOrReplaceQueryParameter(result, "alt", "json");
return result;
}
// static
GURL GDataWapiUrlGenerator::AddMetadataUrlParams(const GURL& url) {
GURL result = AddStandardUrlParams(url);
result = chrome_common_net::AppendOrReplaceQueryParameter(
result, "include-installed-apps", "true");
return result;
}
// static
GURL GDataWapiUrlGenerator::AddFeedUrlParams(
const GURL& url,
int num_items_to_fetch,
int changestamp,
const std::string& search_string) {
GURL result = AddStandardUrlParams(url);
result = chrome_common_net::AppendOrReplaceQueryParameter(
result,
"showfolders",
"true");
result = chrome_common_net::AppendOrReplaceQueryParameter(
result,
"max-results",
base::StringPrintf("%d", num_items_to_fetch));
result = chrome_common_net::AppendOrReplaceQueryParameter(
result, "include-installed-apps", "true");
if (changestamp) {
result = chrome_common_net::AppendQueryParameter(
result,
"start-index",
base::StringPrintf("%d", changestamp));
}
if (!search_string.empty()) {
result = chrome_common_net::AppendOrReplaceQueryParameter(
result, "q", search_string);
}
return result;
}
GDataWapiUrlGenerator::GDataWapiUrlGenerator(const GURL& base_url)
: base_url_(GURL(base_url)) {
}
GDataWapiUrlGenerator::~GDataWapiUrlGenerator() {
}
GURL GDataWapiUrlGenerator::GenerateResourceListUrl(
const GURL& override_url,
int start_changestamp,
const std::string& search_string,
bool shared_with_me,
const std::string& directory_resource_id) const {
DCHECK_LE(0, start_changestamp);
int max_docs = search_string.empty() ? kMaxDocumentsPerFeed :
kMaxDocumentsPerSearchFeed;
GURL url;
if (!override_url.is_empty()) {
// |override_url| specifies the URL of the continuation feed when the feed
// is broken up to multiple chunks. In this case we must not add the
// |start_changestamp| that provides the original start point.
start_changestamp = 0;
url = override_url;
} else if (shared_with_me) {
url = base_url_.Resolve(kGetResourceListURLForSharedWithMe);
} else if (start_changestamp > 0) {
// The start changestamp shouldn't be used for a search.
DCHECK(search_string.empty());
url = base_url_.Resolve(kGetChangesListURL);
} else if (!directory_resource_id.empty()) {
url = base_url_.Resolve(
base::StringPrintf(kGetResourceListURLForDirectoryFormat,
net::EscapePath(
directory_resource_id).c_str()));
} else {
url = base_url_.Resolve(kGetResourceListURLForAllDocuments);
}
return AddFeedUrlParams(url, max_docs, start_changestamp, search_string);
}
GURL GDataWapiUrlGenerator::GenerateEditUrl(
const std::string& resource_id) const {
return AddStandardUrlParams(GenerateEditUrlWithoutParams(resource_id));
}
GURL GDataWapiUrlGenerator::GenerateEditUrlWithoutParams(
const std::string& resource_id) const {
return base_url_.Resolve(
base::StringPrintf(kGetEditURLFormat,
net::EscapePath(resource_id).c_str()));
}
GURL GDataWapiUrlGenerator::GenerateContentUrl(
const std::string& resource_id) const {
if (resource_id.empty()) {
// |resource_id| must not be empty. Return an empty GURL as an error.
return GURL();
}
GURL result = base_url_.Resolve(
base::StringPrintf(kContentURLFormat,
net::EscapePath(resource_id).c_str()));
return AddStandardUrlParams(result);
}
GURL GDataWapiUrlGenerator::GenerateResourceUrlForRemoval(
const std::string& parent_resource_id,
const std::string& resource_id) const {
if (resource_id.empty() || parent_resource_id.empty()) {
// Both |resource_id| and |parent_resource_id| must be non-empty.
// Return an empty GURL as an error.
return GURL();
}
GURL result = base_url_.Resolve(
base::StringPrintf(kResourceURLForRemovalFormat,
net::EscapePath(parent_resource_id).c_str(),
net::EscapePath(resource_id).c_str()));
return AddStandardUrlParams(result);
}
GURL GDataWapiUrlGenerator::GenerateResourceListRootUrl() const {
return AddStandardUrlParams(base_url_.Resolve(kResourceListRootURL));
}
GURL GDataWapiUrlGenerator::GenerateAccountMetadataUrl() const {
return AddMetadataUrlParams(base_url_.Resolve(kAccountMetadataURL));
}
} // namespace google_apis
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