Add td_api::telegramPaymentPurposeJoinChat.

1 files changed, 14 insertions, 0 deletions

diff --git a/td/telegram/Payments.cpp b/td/telegram/Payments.cpp
index db033671c..b560a6c4a 100644
--- a/td/telegram/Payments.cpp
+++ b/td/telegram/Payments.cpp
@@ -8,10 +8,12 @@
 
 #include "td/telegram/AccessRights.h"
 #include "td/telegram/DialogId.h"
+#include "td/telegram/DialogInviteLink.h"
 #include "td/telegram/DialogManager.h"
 #include "td/telegram/GiveawayParameters.h"
 #include "td/telegram/Global.h"
 #include "td/telegram/InputInvoice.h"
+#include "td/telegram/LinkManager.h"
 #include "td/telegram/MessageEntity.h"
 #include "td/telegram/MessageId.h"
 #include "td/telegram/MessagesManager.h"
@@ -151,6 +153,18 @@ Result<InputInvoiceInfo> get_input_invoice_info(Td *td, td_api::object_ptr<td_ap
           result.input_invoice_ = telegram_api::make_object<telegram_api::inputInvoiceStars>(std::move(purpose));
           break;
         }
+        case td_api::telegramPaymentPurposeJoinChat::ID: {
+          auto p = static_cast<td_api::telegramPaymentPurposeJoinChat *>(invoice->purpose_.get());
+          if (!DialogInviteLink::is_valid_invite_link(p->invite_link_)) {
+            return Status::Error(400, "Invalid invite link");
+          }
+          auto hash = LinkManager::get_dialog_invite_link_hash(p->invite_link_);
+          if (!clean_input_string(hash)) {
+            return Status::Error(400, "Invalid invite link");
+          }
+          result.input_invoice_ = telegram_api::make_object<telegram_api::inputInvoiceChatInviteSubscription>(hash);
+          break;
+        }
         default:
           UNREACHABLE();
       }