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// Copyright 2025 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/user_data_importer/utility/bookmark_util.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "components/bookmarks/browser/bookmark_model.h"
#include "components/bookmarks/browser/bookmark_node.h"
#include "components/reading_list/core/reading_list_model.h"
namespace user_data_importer {
namespace {
using bookmarks::BookmarkModel;
using bookmarks::BookmarkNode;
std::u16string EscapeAndJoinPath(const std::vector<std::u16string>& path) {
if (path.empty()) {
return u"";
}
std::vector<std::u16string> escaped_path;
escaped_path.reserve(path.size());
for (std::u16string component : path) {
base::ReplaceChars(component, u"\\", u"\\\\", &component);
base::ReplaceChars(component, u"/", u"\\/", &component);
escaped_path.push_back(std::move(component));
}
return base::JoinString(escaped_path, u"/");
}
const BookmarkNode* CreateImportBookmarksFolder(
BookmarkModel* bookmark_model,
const std::u16string& folder_title) {
CHECK(bookmark_model);
CHECK(bookmark_model->loaded());
const BookmarkNode* other_node = bookmark_model->account_other_node();
if (!other_node) {
other_node = bookmark_model->other_node();
}
CHECK(other_node);
return bookmark_model->AddFolder(other_node, 0, folder_title);
}
} // namespace
size_t ImportBookmarks(BookmarkModel* bookmark_model,
std::vector<ImportedBookmarkEntry> bookmarks,
const std::u16string& import_folder_title) {
CHECK(bookmark_model);
CHECK(bookmark_model->loaded());
if (bookmarks.empty()) {
return 0;
}
const BookmarkNode* import_folder =
CreateImportBookmarksFolder(bookmark_model, import_folder_title);
CHECK(import_folder);
std::map<std::u16string, const BookmarkNode*> folder_cache;
folder_cache[EscapeAndJoinPath({})] = import_folder;
bookmark_model->BeginExtensiveChanges();
size_t imported_count = 0u;
for (const ImportedBookmarkEntry& bookmark_entry : bookmarks) {
const BookmarkNode* parent = import_folder;
std::vector<std::u16string> current_path;
for (const auto& path_component : bookmark_entry.path) {
current_path.push_back(path_component);
const std::u16string current_path_key = EscapeAndJoinPath(current_path);
auto cached_folder = folder_cache.find(current_path_key);
// TODO(crbug.com/407587751): Replace with a CHECK.
if (cached_folder != folder_cache.end()) {
parent = cached_folder->second;
} else {
const BookmarkNode* new_folder = bookmark_model->AddFolder(
parent, parent->children().size(), path_component);
folder_cache[current_path_key] = new_folder;
parent = new_folder;
}
}
if (bookmark_entry.is_folder) {
const BookmarkNode* new_folder = bookmark_model->AddFolder(
parent, parent->children().size(), bookmark_entry.title);
std::vector<std::u16string> new_folder_path = bookmark_entry.path;
new_folder_path.push_back(bookmark_entry.title);
folder_cache[EscapeAndJoinPath(new_folder_path)] = new_folder;
} else {
if (!bookmark_entry.url.is_valid()) {
continue;
}
bookmark_model->AddURL(parent, parent->children().size(),
bookmark_entry.title, bookmark_entry.url, nullptr,
bookmark_entry.creation_time);
++imported_count;
}
}
bookmark_model->EndExtensiveChanges();
return imported_count;
}
size_t ImportReadingList(ReadingListModel* reading_list_model,
std::vector<ImportedBookmarkEntry> reading_list) {
if (reading_list.empty() || !reading_list_model) {
return 0;
}
size_t imported_count = 0u;
auto scoped_reading_list_batch_update =
reading_list_model->BeginBatchUpdates();
for (const ImportedBookmarkEntry& reading_list_entry : reading_list) {
if (!reading_list_entry.url.is_valid()) {
continue;
}
reading_list_model->AddOrReplaceEntry(
reading_list_entry.url, base::UTF16ToUTF8(reading_list_entry.title),
reading_list::ADDED_VIA_IMPORT,
/*estimated_read_time=*/std::nullopt, reading_list_entry.creation_time);
++imported_count;
}
return imported_count;
}
} // namespace user_data_importer
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