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// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/autofill/core/browser/payments/autofill_offer_manager.h"
#include <map>
#include "base/bind.h"
#include "base/ranges/algorithm.h"
#include "base/ranges/ranges.h"
#include "base/strings/utf_string_conversions.h"
#include "base/time/time.h"
#include "base/timer/timer.h"
#include "components/autofill/core/browser/autofill_client.h"
#include "components/autofill/core/browser/data_model/autofill_offer_data.h"
#include "components/autofill/core/browser/data_model/credit_card.h"
#include "components/autofill/core/browser/payments/payments_client.h"
#include "components/autofill/core/common/autofill_clock.h"
#include "components/autofill/core/common/autofill_payments_features.h"
#include "components/strings/grit/components_strings.h"
#include "ui/base/l10n/l10n_util.h"
#include "url/gurl.h"
namespace autofill {
namespace {
// Ensure the offer is not expired and is valid for the current page.
bool IsOfferEligible(const AutofillOfferData& offer,
const GURL& last_committed_url_origin) {
bool is_eligible = (offer.expiry > AutofillClock::Now());
is_eligible &=
base::ranges::count(offer.merchant_domain, last_committed_url_origin);
return is_eligible;
}
} // namespace
AutofillOfferManager::AutofillOfferManager(PersonalDataManager* personal_data)
: personal_data_(personal_data) {
personal_data_->AddObserver(this);
UpdateEligibleMerchantDomains();
}
AutofillOfferManager::~AutofillOfferManager() {
personal_data_->RemoveObserver(this);
}
void AutofillOfferManager::OnPersonalDataChanged() {
UpdateEligibleMerchantDomains();
}
void AutofillOfferManager::UpdateSuggestionsWithOffers(
const GURL& last_committed_url,
std::vector<Suggestion>& suggestions) {
GURL last_committed_url_origin = last_committed_url.GetOrigin();
if (eligible_merchant_domains_.count(last_committed_url_origin) == 0) {
return;
}
AutofillOfferManager::OffersMap eligible_offers_map =
CreateOffersMap(last_committed_url_origin);
// Update |offer_label| for each suggestion.
for (auto& suggestion : suggestions) {
std::string id = suggestion.backend_id;
if (eligible_offers_map.count(id)) {
suggestion.offer_label =
l10n_util::GetStringUTF16(IDS_AUTOFILL_OFFERS_CASHBACK);
}
}
// Sort the suggestions such that suggestions with offers are shown at the
// top.
if (base::FeatureList::IsEnabled(
features::kAutofillSortSuggestionsBasedOnOfferPresence)) {
std::sort(suggestions.begin(), suggestions.end(),
[](const Suggestion& a, const Suggestion& b) {
if (!a.offer_label.empty() && b.offer_label.empty()) {
return true;
}
return false;
});
}
}
bool AutofillOfferManager::IsUrlEligible(const GURL& last_committed_url) {
GURL last_committed_url_origin = last_committed_url.GetOrigin();
return base::ranges::count(eligible_merchant_domains_,
last_committed_url_origin);
}
std::tuple<std::vector<GURL>, GURL, CreditCard*>
AutofillOfferManager::GetEligibleDomainsAndCardForOfferForUrl(
const GURL& last_committed_url) {
std::vector<GURL> linked_domains;
std::vector<AutofillOfferData*> offers =
personal_data_->GetCreditCardOffers();
CreditCard* card = nullptr;
// Initialize to an empty url.
GURL offer_details_url = GURL();
// Check which offer is eligible on current domain, then return the full set
// of domains for that offer.
for (auto* offer : offers) {
if (IsOfferEligible(*offer, last_committed_url.GetOrigin())) {
for (auto& domain : offer->merchant_domain) {
linked_domains.emplace_back(domain);
}
// Pick first card in the vector. The UI shows only one card's
// information.
card = offer->eligible_instrument_id.empty()
? nullptr
: personal_data_->GetCreditCardByInstrumentId(
offer->eligible_instrument_id[0]);
offer_details_url = GURL(offer->offer_details_url);
break;
}
}
// Remove duplicates in domains.
base::ranges::sort(linked_domains);
linked_domains.erase(base::ranges::unique(linked_domains),
linked_domains.end());
return std::make_tuple(linked_domains, offer_details_url, card);
}
void AutofillOfferManager::UpdateEligibleMerchantDomains() {
eligible_merchant_domains_.clear();
std::vector<AutofillOfferData*> offers =
personal_data_->GetCreditCardOffers();
for (auto* offer : offers) {
for (auto& domain : offer->merchant_domain) {
eligible_merchant_domains_.emplace(domain);
}
}
}
AutofillOfferManager::OffersMap AutofillOfferManager::CreateOffersMap(
const GURL& last_committed_url_origin) const {
AutofillOfferManager::OffersMap offers_map;
std::vector<AutofillOfferData*> offers =
personal_data_->GetCreditCardOffers();
std::vector<CreditCard*> cards = personal_data_->GetCreditCards();
for (auto* offer : offers) {
// Ensure the offer is valid.
if (!IsOfferEligible(*offer, last_committed_url_origin)) {
continue;
}
// Find card with corresponding instrument ID and add its guid to the map.
for (const auto* card : cards) {
// If card has an offer, add the backend ID to the map. There is currently
// a one-to-one mapping between cards and offer data, however, this may
// change in the future.
if (std::count(offer->eligible_instrument_id.begin(),
offer->eligible_instrument_id.end(),
card->instrument_id())) {
offers_map[card->guid()] = offer;
}
}
}
return offers_map;
}
} // namespace autofill
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