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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_DATABASE_UKM_URL_TABLE_H_
#define COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_DATABASE_UKM_URL_TABLE_H_
#include "base/memory/raw_ptr.h"
#include "base/sequence_checker.h"
#include "components/segmentation_platform/internal/database/ukm_types.h"
#include "url/gurl.h"
namespace sql {
class Database;
}
namespace segmentation_platform {
// Handles queries to add and remove entries in the URL table in UKM database.
class UkmUrlTable {
public:
static constexpr char kTableName[] = "urls";
explicit UkmUrlTable(sql::Database* db);
~UkmUrlTable();
UkmUrlTable(const UkmUrlTable&) = delete;
UkmUrlTable& operator=(const UkmUrlTable&) = delete;
// Converts the given GURL to string.
static std::string GetDatabaseUrlString(const GURL& url);
// Returns an ID for the URL. The ID will be a persistent hash of the `url`.
static UrlId GenerateUrlId(const GURL& url);
// Creates the URL table if it doesn't exist.
bool InitTable();
// Returns true if `url_id` exists in the database.
bool IsUrlInTable(UrlId url_id);
// Writes `url` to database with `url_id`. It is invalid to call this method
// when `url_id` exists in the database.
bool WriteUrl(const GURL& url,
UrlId url_id,
base::Time timestamp,
const std::string& profile_id);
// Update the last used timestamp for the URL.
bool UpdateUrlTimestamp(UrlId url_id, base::Time timestamp);
// Removes all the URLs in `urls`.
bool RemoveUrls(const std::vector<UrlId>& urls);
// Delete URLs whose last used timestamps were earlier than or equal to
// `time`.
bool DeleteUrlsBeforeTimestamp(base::Time time);
private:
raw_ptr<sql::Database> db_ GUARDED_BY_CONTEXT(sequence_checker_);
SEQUENCE_CHECKER(sequence_checker_);
};
} // namespace segmentation_platform
#endif // COMPONENTS_SEGMENTATION_PLATFORM_INTERNAL_DATABASE_UKM_URL_TABLE_H_
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