chromium/components/segmentation_platform/embedder/default_model/most_visited_tiles_user.cc

// Copyright 2023 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/segmentation_platform/embedder/default_model/most_visited_tiles_user.h"

#include <memory>

#include "base/task/sequenced_task_runner.h"
#include "components/segmentation_platform/internal/metadata/metadata_writer.h"
#include "components/segmentation_platform/public/config.h"
#include "components/segmentation_platform/public/proto/model_metadata.pb.h"

namespace segmentation_platform {

BASE_FEATURE(…);

namespace {
SegmentId;

enum class MvtUserBin { … };

#define RANK(x) …

// Default parameters for MostVisitedTilesUser model.
constexpr SegmentId kSegmentId = …;
constexpr int64_t kModelVersion = …;
// Store 28 buckets of input data (28 days).
constexpr int64_t kSignalStorageLength = …;
// Wait until we have 7 days of data.
constexpr int64_t kMinSignalCollectionLength = …;
// Refresh the result every 7 days.
constexpr int64_t kResultTTLDays = …;

// InputFeatures.
constexpr std::array<MetadataWriter::UMAFeature, 1> kUMAFeatures = …;

}  // namespace

// static
std::unique_ptr<Config> MostVisitedTilesUser::GetConfig() { … }

MostVisitedTilesUser::MostVisitedTilesUser()
    : … { … }

std::unique_ptr<DefaultModelProvider::ModelConfig>
MostVisitedTilesUser::GetModelConfig() { … }

void MostVisitedTilesUser::ExecuteModelWithInput(
    const ModelProvider::Request& inputs,
    ExecutionCallback callback) { … }

}  // namespace segmentation_platform