From 9315b118e0620dd17ce331d52fd3e6b701f8d26f Mon Sep 17 00:00:00 2001
From: levlam <levlam@telegram.org>
Date: Thu, 25 Jul 2024 18:23:24 +0300
Subject: [PATCH] Add td_api::channelTransactionPurposeJoin.

---
 td/generate/scheme/td_api.tl | 21 ++++++++++++++++-----
 td/telegram/StarManager.cpp  | 16 +++++++++++++++-
 2 files changed, 31 insertions(+), 6 deletions(-)

diff --git a/td/generate/scheme/td_api.tl b/td/generate/scheme/td_api.tl
index a8b3b4d07..3b8a164c2 100644
--- a/td/generate/scheme/td_api.tl
+++ b/td/generate/scheme/td_api.tl
@@ -870,6 +870,18 @@ starTransactionDirectionIncoming = StarTransactionDirection;
 starTransactionDirectionOutgoing = StarTransactionDirection;
 
 
+//@class ChannelTransactionPurpose @description Describes purpose of a transaction with a channel
+
+//@description Paid media were bought
+//@message_id Identifier of the corresponding message with paid media; can be an identifier of a deleted message
+//@media The bought media if they are still accessible
+channelTransactionPurposePaidMedia message_id:int53 media:vector<PaidMedia> = ChannelTransactionPurpose;
+
+//@description User joined the channel and subscribed to regular payments in Telegram Stars
+//@period The number of seconds between consecutive Telegram Star debiting
+channelTransactionPurposeJoin period:int32 = ChannelTransactionPurpose;
+
+
 //@class StarTransactionPartner @description Describes source or recipient of a transaction with Telegram Stars
 
 //@description The transaction is a transaction with Telegram through a bot
@@ -893,11 +905,10 @@ starTransactionPartnerTelegramAds = StarTransactionPartner;
 //@invoice_payload Invoice payload; for bots only
 starTransactionPartnerBot user_id:int53 product_info:productInfo invoice_payload:bytes = StarTransactionPartner;
 
-//@description The transaction is a transaction with a channel chat
+//@description The transaction is a transaction with a channel
 //@chat_id Identifier of the chat
-//@paid_media_message_id Identifier of the corresponding message with paid media; can be an identifier of a deleted message
-//@media Information about the bought media
-starTransactionPartnerChannel chat_id:int53 paid_media_message_id:int53 media:vector<PaidMedia> = StarTransactionPartner;
+//@purpose Purpose of the transaction
+starTransactionPartnerChannel chat_id:int53 purpose:ChannelTransactionPurpose = StarTransactionPartner;
 
 //@description The transaction is a gift of Telegram Stars from another user
 //@user_id Identifier of the user; 0 if the gift was anonymous
@@ -5715,7 +5726,7 @@ telegramPaymentPurposeStars currency:string amount:int53 star_count:int53 = Tele
 //@star_count Number of bought Telegram Stars
 telegramPaymentPurposeGiftedStars user_id:int53 currency:string amount:int53 star_count:int53 = TelegramPaymentPurpose;
 
-//@description The user joins a chat and subscribes to regular Payments in Telegram Stars @invite_link Invite link to use
+//@description The user joins a chat and subscribes to regular payments in Telegram Stars @invite_link Invite link to use
 telegramPaymentPurposeJoinChat invite_link:string = TelegramPaymentPurpose;
 
 
diff --git a/td/telegram/StarManager.cpp b/td/telegram/StarManager.cpp
index d38e1ae9d..5373a313c 100644
--- a/td/telegram/StarManager.cpp
+++ b/td/telegram/StarManager.cpp
@@ -273,6 +273,16 @@ class GetStarsTransactionsQuery final : public Td::ResultHandler {
                   bot_payload);
             }
             if (td_->dialog_manager_->is_broadcast_channel(dialog_id)) {
+              if (transaction->subscription_period_ > 0) {
+                SCOPE_EXIT {
+                  transaction->subscription_period_ = 0;
+                };
+                td_->dialog_manager_->force_create_dialog(dialog_id, "starsTransactionPeer", true);
+                return td_api::make_object<td_api::starTransactionPartnerChannel>(
+                    td_->dialog_manager_->get_chat_id_object(dialog_id, "starTransactionPartnerChannel"),
+                    td_api::make_object<td_api::channelTransactionPurposeJoin>(transaction->subscription_period_));
+              }
+
               SCOPE_EXIT {
                 transaction->msg_id_ = 0;
                 transaction->extended_media_.clear();
@@ -295,7 +305,8 @@ class GetStarsTransactionsQuery final : public Td::ResultHandler {
               td_->dialog_manager_->force_create_dialog(dialog_id, "starsTransactionPeer", true);
               return td_api::make_object<td_api::starTransactionPartnerChannel>(
                   td_->dialog_manager_->get_chat_id_object(dialog_id, "starTransactionPartnerChannel"),
-                  message_id.get(), std::move(extended_media_objects));
+                  td_api::make_object<td_api::channelTransactionPurposePaidMedia>(message_id.get(),
+                                                                                  std::move(extended_media_objects)));
             }
             LOG(ERROR) << "Receive Telegram Star transaction with " << dialog_id;
             return td_api::make_object<td_api::starTransactionPartnerUnsupported>();
@@ -326,6 +337,9 @@ class GetStarsTransactionsQuery final : public Td::ResultHandler {
         if (transaction->gift_) {
           LOG(ERROR) << "Receive gift with " << to_string(star_transaction);
         }
+        if (transaction->subscription_period_ != 0) {
+          LOG(ERROR) << "Receive subscription period with " << to_string(star_transaction);
+        }
       }
       if (!file_ids.empty()) {
         auto file_source_id =