PoC suggested accept/decline.

Telegram/SourceFiles/api/api_sending.cpp

@@ -638,6 +638,7 @@ void SendConfirmedFile(
 		edition.useSameMarkup = true;
 		edition.useSameReplies = true;
 		edition.useSameReactions = true;
+		edition.useSameSuggest = true;
 		edition.savePreviousMedia = true;
 		itemToEdit->applyEdition(std::move(edition));
 	} else {

Telegram/SourceFiles/api/api_suggest_post.cpp

@@ -0,0 +1,199 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#include "api/api_suggest_post.h"
+
+#include "apiwrap.h"
+#include "base/unixtime.h"
+#include "core/click_handler_types.h"
+#include "data/data_session.h"
+#include "history/history.h"
+#include "history/history_item.h"
+#include "history/history_item_components.h"
+#include "lang/lang_keys.h"
+#include "main/main_session.h"
+#include "ui/boxes/choose_date_time.h"
+#include "window/window_session_controller.h"
+
+namespace Api {
+namespace {
+
+void SendApproval(
+		not_null<Window::SessionController*> controller,
+		not_null<HistoryItem*> item,
+		TimeId scheduleDate = 0) {
+	using Flag = MTPmessages_ToggleSuggestedPostApproval::Flag;
+	const auto suggestion = item->Get<HistoryMessageSuggestedPost>();
+	if (!suggestion
+		|| suggestion->accepted
+		|| suggestion->rejected
+		|| suggestion->requestId) {
+		return;
+	}
+
+	const auto id = item->fullId();
+	const auto weak = base::make_weak(controller);
+	const auto session = &controller->session();
+	const auto finish = [=] {
+		if (const auto item = session->data().message(id)) {
+			const auto suggestion = item->Get<HistoryMessageSuggestedPost>();
+			if (suggestion) {
+				suggestion->requestId = 0;
+			}
+		}
+	};
+	suggestion->requestId = session->api().request(
+		MTPmessages_ToggleSuggestedPostApproval(
+			MTP_flags(scheduleDate ? Flag::f_schedule_date : Flag()),
+			item->history()->peer->input,
+			MTP_int(item->id.bare),
+			MTP_int(scheduleDate),
+			MTPstring()) // reject_comment
+	).done([=](const MTPUpdates &result) {
+		session->api().applyUpdates(result);
+		finish();
+	}).fail([=](const MTP::Error &error) {
+		if (const auto window = weak.get()) {
+			window->showToast(error.type());
+		}
+		finish();
+	}).send();
+}
+
+void SendDecline(
+		not_null<Window::SessionController*> controller,
+		not_null<HistoryItem*> item,
+		const QString &comment) {
+	using Flag = MTPmessages_ToggleSuggestedPostApproval::Flag;
+	const auto suggestion = item->Get<HistoryMessageSuggestedPost>();
+	if (!suggestion
+		|| suggestion->accepted
+		|| suggestion->rejected
+		|| suggestion->requestId) {
+		return;
+	}
+
+	const auto id = item->fullId();
+	const auto weak = base::make_weak(controller);
+	const auto session = &controller->session();
+	const auto finish = [=] {
+		if (const auto item = session->data().message(id)) {
+			const auto suggestion = item->Get<HistoryMessageSuggestedPost>();
+			if (suggestion) {
+				suggestion->requestId = 0;
+			}
+		}
+	};
+	suggestion->requestId = session->api().request(
+		MTPmessages_ToggleSuggestedPostApproval(
+			MTP_flags(Flag::f_reject
+				| (comment.isEmpty() ? Flag() : Flag::f_reject_comment)),
+			item->history()->peer->input,
+			MTP_int(item->id.bare),
+			MTPint(), // schedule_date
+			MTP_string(comment))
+	).done([=](const MTPUpdates &result) {
+		session->api().applyUpdates(result);
+		finish();
+	}).fail([=](const MTP::Error &error) {
+		if (const auto window = weak.get()) {
+			window->showToast(error.type());
+		}
+		finish();
+	}).send();
+}
+
+void RequestApprovalDate(
+		not_null<Window::SessionController*> controller,
+		not_null<HistoryItem*> item) {
+	const auto weak = std::make_shared<QPointer<Ui::BoxContent>>();
+	const auto done = [=](TimeId result) {
+		SendApproval(controller, item, result);
+		if (const auto strong = weak->data()) {
+			strong->closeBox();
+		}
+	};
+	auto dateBox = Box(Ui::ChooseDateTimeBox, Ui::ChooseDateTimeBoxArgs{
+		.title = tr::lng_suggest_options_date(),
+		.submit = tr::lng_settings_save(),
+		.done = done,
+		.min = [] { return base::unixtime::now() + 1; },
+		.time = (base::unixtime::now() + 86400),
+	});
+	*weak = dateBox.data();
+	controller->uiShow()->show(std::move(dateBox));
+}
+
+} // namespace
+
+std::shared_ptr<ClickHandler> AcceptClickHandler(
+		not_null<HistoryItem*> item) {
+	const auto session = &item->history()->session();
+	const auto id = item->fullId();
+	return std::make_shared<LambdaClickHandler>([=](ClickContext context) {
+		const auto my = context.other.value<ClickHandlerContext>();
+		const auto controller = my.sessionWindow.get();
+		if (!controller || &controller->session() != session) {
+			return;
+		}
+		const auto item = session->data().message(id);
+		if (!item) {
+			return;
+		}
+		const auto suggestion = item->Get<HistoryMessageSuggestedPost>();
+		if (!suggestion) {
+			return;
+		} else if (!suggestion->date) {
+			RequestApprovalDate(controller, item);
+		} else {
+			SendApproval(controller, item);
+		}
+	});
+}
+
+std::shared_ptr<ClickHandler> DeclineClickHandler(
+		not_null<HistoryItem*> item) {
+	const auto session = &item->history()->session();
+	const auto id = item->fullId();
+	return std::make_shared<LambdaClickHandler>([=](ClickContext context) {
+		const auto my = context.other.value<ClickHandlerContext>();
+		const auto controller = my.sessionWindow.get();
+		if (!controller || &controller->session() != session) {
+			return;
+		}
+		const auto item = session->data().message(id);
+		if (!item) {
+			return;
+		}
+		const auto suggestion = item->Get<HistoryMessageSuggestedPost>();
+		if (!suggestion) {
+			return;
+		} else {
+			SendDecline(controller, item, "sorry, bro..");
+		}
+	});
+}
+
+std::shared_ptr<ClickHandler> SuggestChangesClickHandler(
+		not_null<HistoryItem*> item) {
+	const auto session = &item->history()->session();
+	const auto id = item->fullId();
+	return std::make_shared<LambdaClickHandler>([=](ClickContext context) {
+		const auto my = context.other.value<ClickHandlerContext>();
+		const auto window = my.sessionWindow.get();
+		if (!window || &window->session() != session) {
+			return;
+		}
+		const auto item = session->data().message(id);
+		if (!item) {
+			return;
+		}
+
+	});
+}
+
+} // namespace Api

Telegram/SourceFiles/api/api_suggest_post.h

@@ -0,0 +1,21 @@
+/*
+This file is part of Telegram Desktop,
+the official desktop application for the Telegram messaging service.
+
+For license and copyright information please follow this link:
+https://github.com/telegramdesktop/tdesktop/blob/master/LEGAL
+*/
+#pragma once
+
+class ClickHandler;
+
+namespace Api {
+
+[[nodiscard]] std::shared_ptr<ClickHandler> AcceptClickHandler(
+	not_null<HistoryItem*> item);
+[[nodiscard]] std::shared_ptr<ClickHandler> DeclineClickHandler(
+	not_null<HistoryItem*> item);
+[[nodiscard]] std::shared_ptr<ClickHandler> SuggestChangesClickHandler(
+	not_null<HistoryItem*> item);
+
+} // namespace Api