Add internalLinkTypeTheme.

td/generate/scheme/td_api.tl

@@ -3030,6 +3030,9 @@ internalLinkTypeQrCodeAuthentication = InternalLinkType;
 //@description The link is a link to a sticker set. Call searchStickerSet with the given sticker set name to process the link and show the sticker set @sticker_set_name Name of the sticker set
 internalLinkTypeStickerSet sticker_set_name:string = InternalLinkType;
 
+//@description The link is a link to a theme. TDLib has no theme support yet @theme_name Name of the theme
+internalLinkTypeTheme theme_name:string = InternalLinkType;
+
 //@description The link is an unknown tg: link. Call getDeepLinkInfo to process the link
 internalLinkTypeUnknownDeepLink = InternalLinkType;
 

td/telegram/LinkManager.cpp

@@ -153,6 +153,22 @@ class LinkManager::InternalLinkStickerSet : public InternalLink {
   }
 };
 
+class LinkManager::InternalLinkTheme : public InternalLink {
+  string theme_name_;
+
+  td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
+    return td_api::make_object<td_api::internalLinkTypeBackground>(theme_name_);
+  }
+
+  InternalLinkType get_type() const final {
+    return InternalLinkType::Theme;
+  }
+
+ public:
+  explicit InternalLinkTheme(string theme_name) : theme_name_(std::move(theme_name)) {
+  }
+};
+
 class LinkManager::InternalLinkUnknownDeepLink : public InternalLink {
   td_api::object_ptr<td_api::InternalLinkType> get_internal_link_type_object() const final {
     return td_api::make_object<td_api::internalLinkTypeUnknownDeepLink>();
@@ -499,6 +515,11 @@ unique_ptr<LinkManager::InternalLink> LinkManager::parse_tg_link_query(Slice que
     if (has_arg("lang")) {
       return td::make_unique<InternalLinkLanguage>(get_arg("lang"));
     }
+  } else if (path.size() == 1 && path[0] == "addtheme") {
+    // addtheme?slug=name
+    if (has_arg("slug")) {
+      return td::make_unique<InternalLinkTheme>(get_arg("slug"));
+    }
   } else if (path.size() == 1 && path[0] == "confirmphone") {
     if (has_arg("hash") && has_arg("phone")) {
       // confirmphone?phone=<phone>&hash=<hash>
@@ -582,6 +603,11 @@ unique_ptr<LinkManager::InternalLink> LinkManager::parse_t_me_link_query(Slice q
       // /setlanguage/<name>
       return td::make_unique<InternalLinkLanguage>(path[1]);
     }
+  } else if (path[0] == "addtheme") {
+    if (path.size() >= 2 && !path[1].empty()) {
+      // /addtheme/<name>
+      return td::make_unique<InternalLinkTheme>(path[1]);
+    }
   } else if (path[0] == "confirmphone") {
     if (has_arg("hash") && has_arg("phone")) {
       // /confirmphone?phone=<phone>&hash=<hash>

td/telegram/LinkManager.h

@@ -44,6 +44,7 @@ class LinkManager : public Actor {
     MessageDraft,
     QrCodeAuthentication,
     StickerSet,
+    Theme,
     UnknownDeepLink
   };
 
@@ -94,6 +95,7 @@ class LinkManager : public Actor {
   class InternalLinkMessageDraft;
   class InternalLinkQrCodeAuthentication;
   class InternalLinkStickerSet;
+  class InternalLinkTheme;
   class InternalLinkUnknownDeepLink;
 
   struct LinkInfo {

test/link.cpp

@@ -93,6 +93,9 @@ TEST(Link, parse_internal_link) {
   auto sticker_set = [](td::string sticker_set_name) {
     return td::td_api::make_object<td::td_api::internalLinkTypeStickerSet>(sticker_set_name);
   };
+  auto theme = [](td::string theme_name) {
+    return td::td_api::make_object<td::td_api::internalLinkTypeTheme>(theme_name);
+  };
   auto unknown_deep_link = [] {
     return td::td_api::make_object<td::td_api::internalLinkTypeUnknownDeepLink>();
   };
@@ -341,4 +344,22 @@ TEST(Link, parse_internal_link) {
   parse_internal_link("tg:setlanguage?lang=abcdef", language_pack("abcdef"));
   parse_internal_link("tg:setlanguage?lang=abc%30ef", language_pack("abc0ef"));
   parse_internal_link("tg://setlanguage?lang=", unknown_deep_link());
+
+  parse_internal_link("t.me/addtheme?slug=abcdef", nullptr);
+  parse_internal_link("t.me/addtheme", nullptr);
+  parse_internal_link("t.me/addtheme/", nullptr);
+  parse_internal_link("t.me/addtheme//abcdef", nullptr);
+  parse_internal_link("t.me/addtheme?/abcdef", nullptr);
+  parse_internal_link("t.me/addtheme/?abcdef", nullptr);
+  parse_internal_link("t.me/addtheme/#abcdef", nullptr);
+  parse_internal_link("t.me/addtheme/abacaba", theme("abacaba"));
+  parse_internal_link("t.me/addtheme/aba%20aba", theme("aba aba"));
+  parse_internal_link("t.me/addtheme/123456a", theme("123456a"));
+  parse_internal_link("t.me/addtheme/12345678901", theme("12345678901"));
+  parse_internal_link("t.me/addtheme/123456", theme("123456"));
+  parse_internal_link("t.me/addtheme/123456/123123/12/31/a/s//21w/?asdas#test", theme("123456"));
+
+  parse_internal_link("tg:addtheme?slug=abcdef", theme("abcdef"));
+  parse_internal_link("tg:addtheme?slug=abc%30ef", theme("abc0ef"));
+  parse_internal_link("tg://addtheme?slug=", unknown_deep_link());
 }