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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/offline_pages/core/auto_fetch.h"
#include <string_view>
#include "base/strings/strcat.h"
#include "base/strings/string_number_conversions.h"
#include "components/offline_pages/core/client_namespace_constants.h"
namespace offline_pages {
namespace auto_fetch {
ClientIdMetadata::ClientIdMetadata() = default;
ClientIdMetadata::ClientIdMetadata(const ClientIdMetadata&) = default;
ClientIdMetadata& ClientIdMetadata::operator=(const ClientIdMetadata&) =
default;
ClientId MakeClientId(const ClientIdMetadata& metadata) {
// Here, the 'A' prefix is used so that future versions can easily change the
// format if necessary.
return ClientId(
kAutoAsyncNamespace,
base::StrCat({"A", base::NumberToString(metadata.android_tab_id)}));
}
std::optional<ClientIdMetadata> ExtractMetadata(const ClientId& id) {
if (id.name_space != kAutoAsyncNamespace) {
return std::nullopt;
}
if (id.id.empty() || id.id[0] != 'A') {
return std::nullopt;
}
ClientIdMetadata metadata;
if (!base::StringToInt(std::string_view(id.id).substr(1),
&metadata.android_tab_id)) {
return std::nullopt;
}
return metadata;
}
} // namespace auto_fetch
} // namespace offline_pages
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