Added support of custom promo suggestions.

Telegram/SourceFiles/data/components/promo_suggestions.cpp

@@ -7,6 +7,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 */
 #include "data/components/promo_suggestions.h"
 
+#include "api/api_text_entities.h"
 #include "apiwrap.h"
 #include "base/unixtime.h"
 #include "core/application.h"
@@ -23,6 +24,19 @@ namespace {
 constexpr auto kTopPromotionInterval = TimeId(60 * 60);
 constexpr auto kTopPromotionMinDelay = TimeId(10);
 
+[[nodiscard]] CustomSuggestion CustomFromTL(
+		not_null<Main::Session*> session,
+		const MTPPendingSuggestion &r) {
+	return CustomSuggestion({
+		.suggestion = qs(r.data().vsuggestion()),
+		.title = Api::ParseTextWithEntities(session, r.data().vtitle()),
+		.description = Api::ParseTextWithEntities(
+			session,
+			r.data().vdescription()),
+		.url = qs(r.data().vurl()),
+	});
+}
+
 } // namespace
 
 PromoSuggestions::PromoSuggestions(not_null<Main::Session*> session)
@@ -112,10 +126,6 @@ void PromoSuggestions::topPromotionDone(const MTPhelp_PromoData &proxy) {
 				|= _dismissedSuggestions.emplace(qs(suggestion)).second;
 		}
 
-		if (changedPendingSuggestions || changedDismissedSuggestions) {
-			_refreshed.fire({});
-		}
-
 		if (const auto peer = data.vpeer()) {
 			const auto peerId = peerFromMTP(*peer);
 			const auto history = _session->data().history(peerId);
@@ -126,6 +136,22 @@ void PromoSuggestions::topPromotionDone(const MTPhelp_PromoData &proxy) {
 		} else {
 			setTopPromoted(nullptr, QString(), QString());
 		}
+
+		auto changedCustom = false;
+		auto custom = data.vcustom_pending_suggestion()
+			? std::make_optional(
+				CustomFromTL(_session, *data.vcustom_pending_suggestion()))
+			: std::nullopt;
+		if (_custom != custom) {
+			_custom = std::move(custom);
+			changedCustom = true;
+		}
+
+		if (changedPendingSuggestions
+			|| changedDismissedSuggestions
+			|| changedCustom) {
+			_refreshed.fire({});
+		}
 	});
 }
 
@@ -194,4 +220,16 @@ void PromoSuggestions::dismiss(const QString &key) {
 	)).send();
 }
 
+void PromoSuggestions::invalidate() {
+	if (_topPromotionRequestId) {
+		_session->api().request(_topPromotionRequestId).cancel();
+	}
+	_topPromotionNextRequestTime = 0;
+	_topPromotionTimer.callOnce(crl::time(200));
+}
+
+std::optional<CustomSuggestion> PromoSuggestions::custom() const {
+	return _custom;
+}
+
 } // namespace Data

Telegram/SourceFiles/data/components/promo_suggestions.h

@@ -17,18 +17,31 @@ class Session;
 
 namespace Data {
 
+struct CustomSuggestion final {
+	QString suggestion;
+	TextWithEntities title;
+	TextWithEntities description;
+	QString url;
+
+	friend inline auto operator<=>(
+		const CustomSuggestion &,
+		const CustomSuggestion &) = default;
+};
+
 class PromoSuggestions final {
 public:
 	explicit PromoSuggestions(not_null<Main::Session*> session);
 	~PromoSuggestions();
 
 	[[nodiscard]] bool current(const QString &key) const;
-	[[nodiscard]] rpl::producer<> requested(
-		const QString &key) const;
+	[[nodiscard]] std::optional<CustomSuggestion> custom() const;
+	[[nodiscard]] rpl::producer<> requested(const QString &key) const;
 	void dismiss(const QString &key);
 
 	void refreshTopPromotion();
 
+	void invalidate();
+
 	rpl::producer<> value() const;
 	// Create rpl::producer<> refreshed() const; on memand.
 
@@ -44,6 +57,7 @@ private:
 	const not_null<Main::Session*> _session;
 	base::flat_set<QString> _dismissedSuggestions;
 	std::vector<QString> _pendingSuggestions;
+	std::optional<CustomSuggestion> _custom;
 
 	History *_topPromoted = nullptr;