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// 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/internal/database/config_holder.h"
#include "components/segmentation_platform/internal/config_parser.h"
#include "components/segmentation_platform/internal/metadata/metadata_utils.h"
#include "components/segmentation_platform/public/proto/segmentation_platform.pb.h"
namespace segmentation_platform {
ConfigHolder::ConfigHolder(std::vector<std::unique_ptr<Config>> configs)
: configs_(std::move(configs)),
all_segment_ids_(GetAllSegmentIdsFromConfigs(configs_)) {
for (const auto& config : configs_) {
if (metadata_utils::ConfigUsesLegacyOutput(config.get())) {
legacy_output_segmentation_keys_.insert(config->segmentation_key);
for (const auto& segment_id : config->segments) {
legacy_output_segment_ids_.insert(segment_id.first);
}
} else {
// Non legacy segment IDs must have a 1:1 relationship with segmentation
// keys. These checks ensure that.
CHECK(config->segments.size() <= 1)
<< "segmentation_key: " << config->segmentation_key
<< " must not have multiple segments.";
for (const auto& segment_id : config->segments) {
CHECK(!segmentation_key_by_segment_id_.contains(segment_id.first))
<< "segment_id: " << proto::SegmentId_Name(segment_id.first)
<< " was found in two segmentation keys: "
<< segmentation_key_by_segment_id_.at(segment_id.first) << " and "
<< config->segmentation_key;
segmentation_key_by_segment_id_.insert(
{segment_id.first, config->segmentation_key});
}
non_legacy_segmentation_keys_.insert(config->segmentation_key);
}
}
}
ConfigHolder::~ConfigHolder() = default;
std::optional<std::string> ConfigHolder::GetKeyForSegmentId(
proto::SegmentId segment_id) const {
auto key_for_updated_segment =
segmentation_key_by_segment_id_.find(segment_id);
if (key_for_updated_segment == segmentation_key_by_segment_id_.end()) {
return std::nullopt;
}
return key_for_updated_segment->second;
}
const Config* ConfigHolder::GetConfigForSegmentId(
proto::SegmentId segment_id) const {
for (const auto& config : configs_) {
auto it = config->segments.find(segment_id);
if (it != config->segments.end()) {
return config.get();
}
}
return nullptr;
}
bool ConfigHolder::IsLegacySegmentationKey(
const std::string& segmentation_key) const {
return legacy_output_segmentation_keys_.contains(segmentation_key);
}
Config* ConfigHolder::GetConfigForSegmentationKey(
const std::string& segmentation_key) const {
for (const auto& config : configs_) {
if (config->segmentation_key == segmentation_key) {
return config.get();
}
}
return nullptr;
}
} // namespace segmentation_platform
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