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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/growth/campaigns_utils.h"
#include <algorithm>
#include <map>
#include <string>
#include <string_view>
#include "base/containers/fixed_flat_map.h"
#include "base/notreached.h"
#include "base/strings/cstring_view.h"
#include "base/strings/strcat.h"
#include "base/strings/stringprintf.h"
#include "chromeos/ash/components/growth/campaigns_constants.h"
#include "url/gurl.h"
namespace growth {
namespace {
// NOTE: Do not change the number.
// The number of `campaign_id`s can be stored in the sparse histograms.
constexpr int kCampaignsCountPerHistogram = 500;
// The mapping of `app_id` or URL `domain` to `app_group_id`.
const auto& GetAppGroupIdMap() {
// TODO: b/341721256 - Get the app ids from their constants files.
// PWA:
static constexpr char kGoogleDocsAppIdPwa[] =
"mpnpojknpmmopombnjdcgaaiekajbnjb";
static constexpr char kGoogleDriveAppIdPwa[] =
"aghbiahbpaijignceidepookljebhfak";
static constexpr char kGmailAppIdPwa[] = "fmgjjmmmlfnkbppncabfkddbjimcfncm";
static constexpr char kGooglePhotosAppIdPwa[] =
"ncmjhecbjeaamljdfahankockkkdmedg";
// ARC:
static constexpr char kGoogleDocsAppIdArc[] =
"cgiadblnmjkjbhignimpegeiplgoidhe";
static constexpr char kGoogleDriveAppIdArc[] =
"ljmhbofhbaapdhebeafbhlcapoiipfbi";
static constexpr char kGmailAppIdArc[] = "hhkfkjpmacfncmbapfohfocpjpdnobjg";
static constexpr char kGooglePhotosAppIdArc[] =
"fdbkkojdbojonckghlanfaopfakedeca";
// Domain name:
static constexpr char kGoogleDocsAppDomain[] = "docs.google.com";
static constexpr char kGoogleDriveAppDomain[] = "drive.google.com";
static constexpr char kGmailAppDomain[] = "mail.google.com";
static constexpr char kGooglePhotosAppDomain[] = "photos.google.com";
// A list of supported apps group events.
// NOTE: An app can be grouped in multiple groups.
static constexpr char kGoogleDocsOpenedEvent[] = "DocsOpened";
static constexpr char kGoogleDriveOpenedEvent[] = "DriveOpened";
static constexpr char kGmailOpenedEvent[] = "GmailOpened";
static constexpr char kGooglePhotosOpenedEvent[] = "PhotosOpened";
static constexpr auto kAppGroupIdMap =
base::MakeFixedFlatMap<std::string_view, std::string_view>({
// Docs:
{kGoogleDocsAppIdPwa, kGoogleDocsOpenedEvent},
{kGoogleDocsAppIdArc, kGoogleDocsOpenedEvent},
{kGoogleDocsAppDomain, kGoogleDocsOpenedEvent},
// Drive:
{kGoogleDriveAppIdPwa, kGoogleDriveOpenedEvent},
{kGoogleDriveAppIdArc, kGoogleDriveOpenedEvent},
{kGoogleDriveAppDomain, kGoogleDriveOpenedEvent},
// Gmail:
{kGmailAppIdPwa, kGmailOpenedEvent},
{kGmailAppIdArc, kGmailOpenedEvent},
{kGmailAppDomain, kGmailOpenedEvent},
// Photos:
{kGooglePhotosAppIdPwa, kGooglePhotosOpenedEvent},
{kGooglePhotosAppIdArc, kGooglePhotosOpenedEvent},
{kGooglePhotosAppDomain, kGooglePhotosOpenedEvent},
});
return kAppGroupIdMap;
}
} // namespace
std::string_view GetGrowthCampaignsEventNamePrefix() {
// Only event name with this prefix can be processed by the Feature Engagement
// framework.
return "ChromeOSAshGrowthCampaigns_";
}
std::string GetEventName(CampaignEvent event, std::string_view id) {
switch (event) {
case CampaignEvent::kImpression:
return base::StrCat({"Campaign", id, "_Impression"});
case CampaignEvent::kDismissed:
return base::StrCat({"Campaign", id, "_Dismissed"});
case CampaignEvent::kAppOpened:
// TODO: b/342282901 - Migrate `CampaignEvent::kAppOpened` to
// `CampaignEvent::kEvent`, which can be used instead for similar case.
return base::StrCat({"AppOpened_AppId_", id});
case CampaignEvent::kEvent:
return base::StrCat({"Event_", id});
case CampaignEvent::kGroupImpression:
return base::StrCat({"Group", id, "_Impression"});
case CampaignEvent::kGroupDismissed:
return base::StrCat({"Group", id, "_Dismissed"});
}
NOTREACHED();
}
std::string_view GetAppGroupId(std::string_view app_id) {
const auto& map = GetAppGroupIdMap();
const auto it = map.find(app_id);
return (it == map.end()) ? std::string_view() : it->second;
}
std::string_view GetAppGroupId(const GURL& url) {
const auto& map = GetAppGroupIdMap();
const auto it = std::ranges::find_if(
map, [&](const auto& elem) { return url.DomainIs(elem.first); });
return (it == map.end()) ? std::string_view() : it->second;
}
std::map<std::string, std::string> CreateBasicConditionParams() {
std::map<std::string, std::string> conditions_params;
// `event_used` and `event_trigger` are required for feature_engagement
// config, although they are not used in campaign matching.
static constexpr char kTemplate[] =
"name:ChromeOSAshGrowthCampaigns_Event%s;comparator:any;window:1;storage:"
"1";
conditions_params["event_used"] = base::StringPrintf(kTemplate, "Used");
conditions_params["event_trigger"] = base::StringPrintf(kTemplate, "Trigger");
return conditions_params;
}
std::string CreateConditionParamForCap(base::cstring_view campaign_type,
int id,
base::cstring_view event_type,
int cap) {
return base::StringPrintf(
"name:ChromeOSAshGrowthCampaigns_%s%d_%s;comparator:<%d;window:3650;"
"storage:3650",
campaign_type.c_str(), id, event_type.c_str(), cap);
}
int GetHistogramMaxCampaignId(int campaign_id) {
// `campaign_id` starts at 0.
return (campaign_id / kCampaignsCountPerHistogram + 1) *
kCampaignsCountPerHistogram;
}
std::string ToString(bool value) {
return value ? "true" : "false";
}
} // namespace growth
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