visitsegment_database.cc | Explore in Territory

// Copyright 2012 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/history/core/browser/visitsegment_database.h"

#include <math.h>
#include <stddef.h>
#include <stdint.h>

#include <algorithm>
#include <memory>
#include <string>
#include <string_view>
#include <vector>

#include "base/check_op.h"
#include "base/functional/callback.h"
#include "base/strings/string_util.h"
#include "components/history/core/browser/page_usage_data.h"
#include "sql/statement.h"
#include "sql/transaction.h"

// The following tables are used to store url segment information.
//
// segments
//   id                 Primary key
//   name               A unique string to represent that segment. (URL derived)
//   url_id             ID of the url currently used to represent this segment.
//
// segment_usage
//   id                 Primary key
//   segment_id         Corresponding segment id
//   time_slot          time stamp identifying for what day this entry is about
//   visit_count        Number of visit in the segment
//

namespace history {

VisitSegmentDatabase::VisitSegmentDatabase() { … }

VisitSegmentDatabase::~VisitSegmentDatabase() { … }

bool VisitSegmentDatabase::InitSegmentTables() { … }

bool VisitSegmentDatabase::DropSegmentTables() { … }

// Note: the segment name is derived from the URL but is not a URL. It is
// a string that can be easily recreated from various URLS. Maybe this should
// be an MD5 to limit the length.
//
// static
std::string VisitSegmentDatabase::ComputeSegmentName(const GURL& url) { … }

SegmentID VisitSegmentDatabase::GetSegmentNamed(
    const std::string& segment_name) { … }

bool VisitSegmentDatabase::UpdateSegmentRepresentationURL(SegmentID segment_id,
                                                          URLID url_id) { … }

SegmentID VisitSegmentDatabase::CreateSegment(URLID url_id,
                                              const std::string& segment_name) { … }

bool VisitSegmentDatabase::UpdateSegmentVisitCount(SegmentID segment_id,
                                                   base::Time ts,
                                                   int amount) { … }

std::vector<std::unique_ptr<PageUsageData>>
VisitSegmentDatabase::QuerySegmentUsage(
    int max_result_count,
    const base::RepeatingCallback<bool(const GURL&)>& url_filter) { … }

bool VisitSegmentDatabase::DeleteSegmentDataOlderThan(base::Time older_than) { … }

bool VisitSegmentDatabase::DeleteSegmentForURL(URLID url_id) { … }

bool VisitSegmentDatabase::MigratePresentationIndex() { … }

bool VisitSegmentDatabase::MigrateVisitSegmentNames() { … }

bool VisitSegmentDatabase::RenameSegment(SegmentID segment_id,
                                         const std::string& new_name) { … }

bool VisitSegmentDatabase::MergeSegments(SegmentID from_segment_id,
                                         SegmentID to_segment_id) { … }

}  // namespace history
chromium/components/history/core/browser/visitsegment_database.cc
