Check if it is possible to 'Send now.'

Telegram/SourceFiles/history/history_message.cpp

@@ -114,7 +114,7 @@ bool HasInlineItems(const HistoryItemsList &items) {
 
 } // namespace
 
-QString GetErrorTextForForward(
+QString GetErrorTextForSending(
 		not_null<PeerData*> peer,
 		const HistoryItemsList &items,
 		const TextWithTags &comment,
@@ -234,7 +234,7 @@ void FastShareMessage(not_null<HistoryItem*> item) {
 
 		const auto error = [&] {
 			for (const auto peer : result) {
-				const auto error = GetErrorTextForForward(
+				const auto error = GetErrorTextForSending(
 					peer,
 					items,
 					comment);
@@ -354,11 +354,11 @@ MTPDmessage_ClientFlags NewMessageClientFlags() {
 	return MTPDmessage_ClientFlag::f_sending;
 }
 
-QString GetErrorTextForForward(
+QString GetErrorTextForSending(
 		not_null<PeerData*> peer,
 		const HistoryItemsList &items,
 		bool ignoreSlowmodeCountdown) {
-	return GetErrorTextForForward(peer, items, {}, ignoreSlowmodeCountdown);
+	return GetErrorTextForSending(peer, items, {}, ignoreSlowmodeCountdown);
 }
 
 struct HistoryMessage::CreateConfig {

Telegram/SourceFiles/history/history_message.h

@@ -19,11 +19,11 @@ Fn<void(ChannelData*, MsgId)> HistoryDependentItemCallback(
 	const FullMsgId &msgId);
 MTPDmessage::Flags NewMessageFlags(not_null<PeerData*> peer);
 MTPDmessage_ClientFlags NewMessageClientFlags();
-QString GetErrorTextForForward(
+QString GetErrorTextForSending(
 	not_null<PeerData*> peer,
 	const HistoryItemsList &items,
 	bool ignoreSlowmodeCountdown = false);
-QString GetErrorTextForForward(
+QString GetErrorTextForSending(
 	not_null<PeerData*> peer,
 	const HistoryItemsList &items,
 	const TextWithTags &comment,

Telegram/SourceFiles/history/history_widget.cpp

@@ -2937,7 +2937,7 @@ void HistoryWidget::send(Api::SendOptions options) {
 	message.webPageId = webPageId;
 
 	if (_canSendMessages) {
-		const auto error = GetErrorTextForForward(
+		const auto error = GetErrorTextForSending(
 			_peer,
 			_toForward,
 			message.textWithTags);

Telegram/SourceFiles/history/view/history_view_list_widget.cpp

@@ -2330,12 +2330,18 @@ std::unique_ptr<QMimeData> ListWidget::prepareDrag() {
 			? _pressItemExact
 			: pressedItem;
 		if (_mouseCursorState == CursorState::Date) {
-			forwardIds = session().data().itemOrItsGroup(_overElement->data());
+			if (_overElement->data()->allowsForward()) {
+				forwardIds = session().data().itemOrItsGroup(
+					_overElement->data());
+			}
 		} else if (_pressState.pointState == PointState::GroupPart) {
-			forwardIds = MessageIdsList(1, exactItem->fullId());
+			if (exactItem->allowsForward()) {
+				forwardIds = MessageIdsList(1, exactItem->fullId());
+			}
 		} else if (const auto media = pressedView->media()) {
-			if (media->dragItemByHandler(pressedHandler)
-				|| media->dragItem()) {
+			if (pressedView->data()->allowsForward()
+				&& (media->dragItemByHandler(pressedHandler)
+					|| media->dragItem())) {
 				forwardIds = MessageIdsList(1, exactItem->fullId());
 			}
 		}

Telegram/SourceFiles/history/view/history_view_scheduled_section.cpp

@@ -400,7 +400,7 @@ void ScheduledWidget::send(Api::SendOptions options) {
 	//message.action.replyTo = replyToId();
 	message.webPageId = webPageId;
 
-	//const auto error = GetErrorTextForForward(
+	//const auto error = GetErrorTextForSending(
 	//	_peer,
 	//	_toForward,
 	//	message.textWithTags);

Telegram/SourceFiles/mainwidget.cpp

@@ -597,7 +597,7 @@ bool MainWidget::setForwardDraft(PeerId peerId, MessageIdsList &&items) {
 	Expects(peerId != 0);
 
 	const auto peer = session().data().peer(peerId);
-	const auto error = GetErrorTextForForward(
+	const auto error = GetErrorTextForSending(
 		peer,
 		session().data().idsToItems(items),
 		true);
@@ -685,7 +685,7 @@ void MainWidget::finishForwarding(Api::SendAction action) {
 	const auto history = action.history;
 	auto toForward = history->validateForwardDraft();
 	if (!toForward.empty()) {
-		const auto error = GetErrorTextForForward(history->peer, toForward);
+		const auto error = GetErrorTextForSending(history->peer, toForward);
 		if (!error.isEmpty()) {
 			return;
 		}

Telegram/SourceFiles/window/window_peer_menu.cpp

@@ -28,6 +28,7 @@ https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
 #include "api/api_common.h"
 #include "history/history.h"
 #include "history/history_item.h"
+#include "history/history_message.h" // GetErrorTextForSending.
 #include "window/window_session_controller.h"
 #include "window/window_controller.h"
 #include "support/support_helper.h"
@@ -868,6 +869,19 @@ QPointer<Ui::RpWidget> ShowSendNowMessagesBox(
 	const auto text = (items.size() > 1)
 		? tr::lng_scheduled_send_now_many(tr::now, lt_count, items.size())
 		: tr::lng_scheduled_send_now(tr::now);
+
+	const auto error = GetErrorTextForSending(
+		history->peer,
+		session->data().idsToItems(items),
+		TextWithTags());
+	if (!error.isEmpty()) {
+		auto config = Ui::Toast::Config();
+		config.multiline = true;
+		config.minWidth = st::msgMinWidth;
+		config.text = error;
+		Ui::Toast::Show(config);
+		return { nullptr };
+	}
 	const auto box = std::make_shared<QPointer<BoxContent>>();
 	auto done = [
 		=,
@@ -878,12 +892,10 @@ QPointer<Ui::RpWidget> ShowSendNowMessagesBox(
 			(*box)->closeBox();
 		}
 		auto ids = QVector<MTPint>();
-		for (const auto &itemId : list) {
-			if (const auto item = session->data().message(itemId)) {
-				if (item->allowsSendNow()) {
-					ids.push_back(MTP_int(
-						session->data().scheduledMessages().lookupId(item)));
-				}
+		for (const auto item : session->data().idsToItems(list)) {
+			if (item->allowsSendNow()) {
+				ids.push_back(MTP_int(
+					session->data().scheduledMessages().lookupId(item)));
 			}
 		}
 		session->api().request(MTPmessages_SendScheduledMessages(
@@ -891,6 +903,8 @@ QPointer<Ui::RpWidget> ShowSendNowMessagesBox(
 			MTP_vector<MTPint>(ids)
 		)).done([=](const MTPUpdates &result) {
 			session->api().applyUpdates(result);
+		}).fail([=](const RPCError &error) {
+			session->api().sendMessageFail(error, history->peer);
 		}).send();
 		if (callback) {
 			callback();