Improve phrases for paid messages.

Telegram/Resources/langs/lang.strings

@@ -4826,10 +4826,13 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_payment_confirm_title" = "Confirm payment";
 "lng_payment_confirm_text#one" = "{name} charges **{count}** Star per message.";
 "lng_payment_confirm_text#other" = "{name} charges **{count}** Stars per message.";
-"lng_payment_confirm_sure#one" = "Would you like to pay **{count}** Star to send one message?";
+"lng_payment_confirm_amount#one" = "**{count}** Star";
-"lng_payment_confirm_sure#other" = "Would you like to pay **{count}** Stars to send one message?";
+"lng_payment_confirm_amount#other" = "**{count}** Stars";
+"lng_payment_confirm_sure#one" = "Would you like to pay {amount} to send **{count}** message?";
+"lng_payment_confirm_sure#other" = "Would you like to pay {amount} to send **{count}** messages?";
 "lng_payment_confirm_dont_ask" = "Don't ask me again";
-"lng_payment_confirm_button" = "Pay for 1 Message";
+"lng_payment_confirm_button#one" = "Pay for {count} Message";
+"lng_payment_confirm_button#other" = "Pay for {count} Messages";
 "lng_payment_bar_text" = "{name} must pay {cost} for each message to you.";
 "lng_payment_bar_button" = "Remove Fee";
 "lng_payment_refund_title" = "Remove Fee";

Telegram/SourceFiles/apiwrap.cpp

@@ -3298,7 +3298,7 @@ void ApiWrap::finishForwarding(const SendAction &action) {
 
 void ApiWrap::forwardMessages(
 		Data::ResolvedForwardDraft &&draft,
-		const SendAction &action,
+		SendAction action,
 		FnMut<void()> &&successCallback) {
 	Expects(!draft.items.empty());
 
@@ -3373,9 +3373,17 @@ void ApiWrap::forwardMessages(
 		const auto requestType = Data::Histories::RequestType::Send;
 		const auto idsCopy = localIds;
 		const auto scheduled = action.options.scheduled;
+		auto paidStars = std::min(
+			action.options.starsApproved,
+			int(ids.size() * peer->starsPerMessageChecked()));
+		auto oneFlags = sendFlags;
+		if (paidStars) {
+			action.options.starsApproved -= paidStars;
+			oneFlags |= SendFlag::f_allow_paid_stars;
+		}
 		histories.sendRequest(history, requestType, [=](Fn<void()> finish) {
 			history->sendRequestId = request(MTPmessages_ForwardMessages(
-				MTP_flags(sendFlags),
+				MTP_flags(oneFlags),
 				forwardFrom->input,
 				MTP_vector<MTPint>(ids),
 				MTP_vector<MTPlong>(randomIds),
@@ -3385,7 +3393,7 @@ void ApiWrap::forwardMessages(
 				(sendAs ? sendAs->input : MTP_inputPeerEmpty()),
 				Data::ShortcutIdToMTP(_session, action.options.shortcutId),
 				MTPint(), // video_timestamp
-				MTPlong() // allow_paid_stars
+				MTP_long(paidStars)
 			)).done([=](const MTPUpdates &result) {
 				if (!scheduled) {
 					this->updates().checkForSentToScheduled(result);

Telegram/SourceFiles/apiwrap.h

@@ -306,7 +306,7 @@ public:
 	void finishForwarding(const SendAction &action);
 	void forwardMessages(
 		Data::ResolvedForwardDraft &&draft,
-		const SendAction &action,
+		SendAction action,
 		FnMut<void()> &&successCallback = nullptr);
 	void shareContact(
 		const QString &phone,

Telegram/SourceFiles/data/data_chat_participant_status.cpp

@@ -17,6 +17,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_user.h"
 #include "lang/lang_keys.h"
 #include "main/main_session.h"
+#include "settings/settings_credits_graphics.h"
 #include "storage/storage_account.h"
 #include "ui/boxes/confirm_box.h"
 #include "ui/chat/attach/attach_prepare.h"
@@ -443,12 +444,30 @@ void ShowSendPaidConfirm(
 		not_null<PeerData*> peer,
 		Data::SendError error,
 		Fn<void()> confirmed) {
+	const auto check = [=] {
+		const auto required = error.paidStars;
+		if (!required) {
+			return;
+		}
+		const auto done = [=](Settings::SmallBalanceResult result) {
+			if (result == Settings::SmallBalanceResult::Success
+				|| result == Settings::SmallBalanceResult::Already) {
+				confirmed();
+			}
+		};
+		Settings::MaybeRequestBalanceIncrease(
+			show,
+			required,
+			Settings::SmallBalanceForMessage{ .recipientId = peer->id },
+			done);
+	};
+
 	const auto session = &peer->session();
 	if (session->local().isPeerTrustedPayForMessage(peer->id)) {
-		confirmed();
+		check();
 		return;
 	}
-	//const auto messages = error.paidMessages;
+	const auto messages = error.paidMessages;
 	const auto stars = error.paidStars;
 	show->showBox(Box([=](not_null<Ui::GenericBox*> box) {
 		const auto trust = std::make_shared<QPointer<Ui::Checkbox>>();
@@ -456,24 +475,32 @@ void ShowSendPaidConfirm(
 			if ((*trust)->checked()) {
 				session->local().markPeerTrustedPayForMessage(peer->id);
 			}
-			confirmed();
+			check();
 			close();
 		};
 		Ui::ConfirmBox(box, {
 			.text = tr::lng_payment_confirm_text(
 				tr::now,
 				lt_count,
-				stars,
+				stars / messages,
 				lt_name,
 				Ui::Text::Bold(peer->shortName()),
 				Ui::Text::RichLangValue).append(' ').append(
 					tr::lng_payment_confirm_sure(
 						tr::now,
 						lt_count,
-						stars,
+						messages,
+						lt_amount,
+						tr::lng_payment_confirm_amount(
+							tr::now,
+							lt_count,
+							stars,
+							Ui::Text::RichLangValue),
 						Ui::Text::RichLangValue)),
 			.confirmed = proceed,
-			.confirmText = tr::lng_payment_confirm_button(),
+			.confirmText = tr::lng_payment_confirm_button(
+				lt_count,
+				rpl::single(messages * 1.)),
 			.title = tr::lng_payment_confirm_title(),
 		});
 		const auto skip = st::defaultCheckbox.margin.top();