Support correct paid-media-from-bot phrases.

Telegram/Resources/langs/lang.strings

@@ -2376,6 +2376,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_credits_box_out_sure#other" = "Do you want to buy **\"{text}\"** in **{bot}** for **{count} Stars**?";
 "lng_credits_box_out_media#one" = "Do you want to unlock {media} in {chat} for **{count} Star**?";
 "lng_credits_box_out_media#other" = "Do you want to unlock {media} in {chat} for **{count} Stars**?";
+"lng_credits_box_out_media_user#one" = "Do you want to unlock {media} from {user} for **{count} Star**?";
+"lng_credits_box_out_media_user#other" = "Do you want to unlock {media} from {user} for **{count} Stars**?";
 "lng_credits_box_out_photo" = "a photo";
 "lng_credits_box_out_photos#one" = "{count} photo";
 "lng_credits_box_out_photos#other" = "{count} photos";
@@ -2390,6 +2392,8 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 "lng_credits_media_done_title" = "Media Unlocked";
 "lng_credits_media_done_text#one" = "**{count} Star** transferred to {chat}.";
 "lng_credits_media_done_text#other" = "**{count} Stars** transferred to {chat}.";
+"lng_credits_media_done_text_user#one" = "**{count} Star** transferred to {user}.";
+"lng_credits_media_done_text_user#other" = "**{count} Stars** transferred to {user}.";
 "lng_credits_summary_in_toast_title" = "Stars Acquired";
 "lng_credits_summary_in_toast_about#one" = "**{count}** Star added to your balance.";
 "lng_credits_summary_in_toast_about#other" = "**{count}** Stars added to your balance.";

Telegram/SourceFiles/boxes/send_credits_box.cpp

@@ -81,14 +81,12 @@ struct PaidMediaData {
 		}
 	}
 
+	const auto bot = item->viaBot();
 	const auto sender = item->originalSender();
-	const auto broadcast = (sender && sender->isBroadcast())
-		? sender
-		: message->peer.get();
 	return {
 		.invoice = invoice,
 		.item = item,
-		.peer = broadcast,
+		.peer = (bot ? bot : sender ? sender : message->peer.get()),
 		.photos = photos,
 		.videos = videos,
 	};
@@ -131,6 +129,16 @@ struct PaidMediaData {
 					lt_video,
 					std::move(videosBold),
 					Ui::Text::WithEntities);
+		if (const auto user = data.peer->asUser()) {
+			return tr::lng_credits_box_out_media_user(
+				lt_count,
+				rpl::single(form->invoice.amount) | tr::to_count(),
+				lt_media,
+				std::move(media),
+				lt_user,
+				rpl::single(Ui::Text::Bold(user->shortName())),
+				Ui::Text::RichLangValue);
+		}
 		return tr::lng_credits_box_out_media(
 			lt_count,
 			rpl::single(form->invoice.amount) | tr::to_count(),

Telegram/SourceFiles/data/components/credits.cpp

@@ -81,43 +81,42 @@ rpl::producer<bool> Credits::loadedValue() const {
 }
 
 uint64 Credits::balance() const {
-	const auto balance = _balance.current();
-	const auto locked = _locked.current();
-	return (balance >= locked) ? (balance - locked) : 0;
+	return _nonLockedBalance.current();
 }
 
 rpl::producer<uint64> Credits::balanceValue() const {
-	return rpl::combine(
-		_balance.value(),
-		_locked.value()
-	) | rpl::map([=](uint64 balance, uint64 locked) {
-		return (balance >= locked) ? (balance - locked) : 0;
-	});
+	return _nonLockedBalance.value();
+}
+
+void Credits::updateNonLockedValue() {
+	_nonLockedBalance = (_balance >= _locked) ? (_balance - _locked) : 0;
 }
 
 void Credits::lock(int count) {
 	Expects(loaded());
 	Expects(count >= 0);
+	Expects(_locked + count <= _balance);
 
-	_locked = _locked.current() + count;
+	_locked += count;
 
-	Ensures(_locked.current() <= _balance.current());
+	updateNonLockedValue();
 }
 
 void Credits::unlock(int count) {
 	Expects(count >= 0);
-	Expects(_locked.current() >= count);
+	Expects(_locked >= count);
 
-	_locked = _locked.current() - count;
+	_locked -= count;
+
+	updateNonLockedValue();
 }
 
 void Credits::withdrawLocked(int count) {
 	Expects(count >= 0);
-	Expects(_locked.current() >= count);
+	Expects(_locked >= count);
 
-	const auto balance = _balance.current();
-	_locked = _locked.current() - count;
-	apply(balance >= count ? (balance - count) : 0);
+	_locked -= count;
+	apply(_balance >= count ? (_balance - count) : 0);
 	invalidate();
 }
 
@@ -127,6 +126,7 @@ void Credits::invalidate() {
 
 void Credits::apply(uint64 balance) {
 	_balance = balance;
+	updateNonLockedValue();
 
 	const auto was = std::exchange(_lastLoaded, crl::now());
 	if (!was) {

Telegram/SourceFiles/data/components/credits.h

@@ -41,12 +41,15 @@ public:
 	void apply(const MTPDupdateStarsBalance &data);
 
 private:
+	void updateNonLockedValue();
+
 	const not_null<Main::Session*> _session;
 
 	std::unique_ptr<Api::CreditsStatus> _loader;
 
-	rpl::variable<uint64> _balance;
-	rpl::variable<uint64> _locked;
+	uint64 _balance = 0;
+	uint64 _locked = 0;
+	rpl::variable<uint64> _nonLockedBalance;
 	rpl::event_stream<> _loadedChanges;
 	crl::time _lastLoaded = 0;
 	float64 _rate = 0.;

Telegram/SourceFiles/history/view/media/history_view_media_common.cpp

@@ -17,6 +17,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "data/data_session.h"
 #include "data/data_wall_paper.h"
 #include "data/data_media_types.h"
+#include "data/data_user.h"
 #include "history/view/history_view_element.h"
 #include "history/view/media/history_view_media_grouped.h"
 #include "history/view/media/history_view_photo.h"
@@ -210,16 +211,29 @@ void ShowPaidMediaUnlockedToast(
 	const auto broadcast = (sender && sender->isBroadcast())
 		? sender
 		: item->history()->peer.get();
+	const auto user = item->viaBot()
+		? item->viaBot()
+		: item->originalSender()
+		? item->originalSender()->asUser()
+		: nullptr;
 	auto text = tr::lng_credits_media_done_title(
 		tr::now,
 		Ui::Text::Bold
-	).append('\n').append(tr::lng_credits_media_done_text(
-		tr::now,
-		lt_count,
-		invoice->amount,
-		lt_chat,
-		Ui::Text::Bold(broadcast->name()),
-		Ui::Text::RichLangValue));
+	).append('\n').append(user
+		? tr::lng_credits_media_done_text_user(
+			tr::now,
+			lt_count,
+			invoice->amount,
+			lt_user,
+			Ui::Text::Bold(user->shortName()),
+			Ui::Text::RichLangValue)
+		: tr::lng_credits_media_done_text(
+			tr::now,
+			lt_count,
+			invoice->amount,
+			lt_chat,
+			Ui::Text::Bold(broadcast->name()),
+			Ui::Text::RichLangValue));
 	controller->showToast(std::move(text), kMediaUnlockedTooltipDuration);
 }