From 242776e8177fde3d57a1953e1b53a7981547864c Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Tue, 24 May 2022 20:45:03 +0300
Subject: [PATCH] Add td_api::viewPremiumFeature.

---
 td/generate/scheme/td_api.tl |  3 +++
 td/telegram/Premium.cpp      | 13 +++++++++++++
 td/telegram/Premium.h        |  2 ++
 td/telegram/Td.cpp           |  6 ++++++
 td/telegram/Td.h             |  2 ++
 td/telegram/cli.cpp          |  3 +++
 6 files changed, 29 insertions(+)

diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index a9ac555cc..92353df2b 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -6322,6 +6322,9 @@ getPremiumLimit limit_type:PremiumLimitType = PremiumLimit;
 //@description Returns information about features, available to Premium users @source Source of the request; pass null if the method is called from some non-standard source
 getPremiumFeatures source:PremiumSource = PremiumFeatures;
 
+//@description Informs TDLib that the user viewed detailed information about a Premium feature on the Premium features screen @feature The viewed premium feature
+viewPremiumFeature feature:PremiumFeature = Ok;
+
 
 //@description Accepts Telegram terms of services @terms_of_service_id Terms of service identifier
 acceptTermsOfService terms_of_service_id:string = Ok;
diff --git a/td/telegram/Premium.cpp b/td/telegram/Premium.cpp
index c12592417..7979e7887 100644
--- a/td/telegram/Premium.cpp
+++ b/td/telegram/Premium.cpp
@@ -255,4 +255,17 @@ void get_premium_features(Td *td, const td_api::object_ptr<td_api::PremiumSource
       td_api::make_object<td_api::premiumFeatures>(std::move(features), std::move(limits), std::move(payment_link)));
 }
 
+void view_premium_feature(Td *td, const td_api::object_ptr<td_api::PremiumFeature> &feature, Promise<Unit> &&promise) {
+  auto source = get_premium_source(feature.get());
+  if (source.empty()) {
+    return promise.set_error(Status::Error(400, "Feature must be non-empty"));
+  }
+
+  vector<tl_object_ptr<telegram_api::jsonObjectValue>> data;
+  data.push_back(
+      make_tl_object<telegram_api::jsonObjectValue>("item", make_tl_object<telegram_api::jsonString>(source)));
+  save_app_log(td, "premium.promo_screen_tap", DialogId(), make_tl_object<telegram_api::jsonObject>(std::move(data)),
+               std::move(promise));
+}
+
 }  // namespace td
diff --git a/td/telegram/Premium.h b/td/telegram/Premium.h
index 230df99f3..266ef9976 100644
--- a/td/telegram/Premium.h
+++ b/td/telegram/Premium.h
@@ -25,4 +25,6 @@ void get_premium_limit(const td_api::object_ptr<td_api::PremiumLimitType> &limit
 void get_premium_features(Td *td, const td_api::object_ptr<td_api::PremiumSource> &source,
                           Promise<td_api::object_ptr<td_api::premiumFeatures>> &&promise);
 
+void view_premium_feature(Td *td, const td_api::object_ptr<td_api::PremiumFeature> &feature, Promise<Unit> &&promise);
+
 }  // namespace td
diff --git a/td/telegram/Td.cpp b/td/telegram/Td.cpp
index 7a1ca43bc..054327a28 100644
--- a/td/telegram/Td.cpp
+++ b/td/telegram/Td.cpp
@@ -7838,6 +7838,12 @@ void Td::on_request(uint64 id, const td_api::getPremiumFeatures &request) {
   get_premium_features(this, request.source_, std::move(promise));
 }
 
+void Td::on_request(uint64 id, const td_api::viewPremiumFeature &request) {
+  CHECK_IS_USER();
+  CREATE_OK_REQUEST_PROMISE();
+  view_premium_feature(this, request.feature_, std::move(promise));
+}
+
 void Td::on_request(uint64 id, td_api::acceptTermsOfService &request) {
   CHECK_IS_USER();
   CLEAN_INPUT_STRING(request.terms_of_service_id_);
diff --git a/td/telegram/Td.h b/td/telegram/Td.h
index 06278a38d..768591a14 100644
--- a/td/telegram/Td.h
+++ b/td/telegram/Td.h
@@ -1292,6 +1292,8 @@ class Td final : public Actor {
 
   void on_request(uint64 id, const td_api::getPremiumFeatures &request);
 
+  void on_request(uint64 id, const td_api::viewPremiumFeature &request);
+
   void on_request(uint64 id, td_api::acceptTermsOfService &request);
 
   void on_request(uint64 id, const td_api::getCountries &request);
diff --git a/td/telegram/cli.cpp b/td/telegram/cli.cpp
index 27164af84..c1a4a3657 100644
--- a/td/telegram/cli.cpp
+++ b/td/telegram/cli.cpp
@@ -2550,6 +2550,9 @@ class CliClient final : public Actor {
       auto source = td_api::make_object<td_api::premiumSourceLimitExceeded>(
           td_api::make_object<td_api::premiumLimitTypeChatFilterCount>());
       send_request(td_api::make_object<td_api::getPremiumFeatures>(std::move(source)));
+    } else if (op == "vprf") {
+      auto feature = td_api::make_object<td_api::premiumFeatureProfileBadge>();
+      send_request(td_api::make_object<td_api::viewPremiumFeature>(std::move(feature)));
     } else if (op == "atos") {
       send_request(td_api::make_object<td_api::acceptTermsOfService>(args));
     } else if (op == "gdli") {