Make story.privacy_settings always non-null.

td/generate/scheme/td_api.tl

@@ -4494,13 +4494,13 @@ jsonValueObject members:vector<jsonObjectMember> = JsonValue;
 //@description The story can be viewed by everyone
 storyPrivacySettingsEveryone = StoryPrivacySettings;
 
-//@description The story can be viewed by all contacts except chosen users @except_user_ids User identifiers of the contacts that can't see the story
+//@description The story can be viewed by all contacts except chosen users @except_user_ids User identifiers of the contacts that can't see the story; always empty for non-owned stories
 storyPrivacySettingsContacts except_user_ids:vector<int53> = StoryPrivacySettings;
 
 //@description The story can be viewed by all close friends
 storyPrivacySettingsCloseFriends = StoryPrivacySettings;
 
-//@description The story can be viewed by certain specified users @user_ids Identifiers of the users
+//@description The story can be viewed by certain specified users @user_ids Identifiers of the users; always empty for non-owned stories
 storyPrivacySettingsSelectedContacts user_ids:vector<int53> = StoryPrivacySettings;
 
 
@@ -4968,7 +4968,7 @@ storyInteractionInfo view_count:int32 recent_viewer_user_ids:vector<int53> = Sto
 //@can_get_viewers True, if users viewed the story can be received through getStoryViewers
 //@has_expired_viewers True, if users viewed the story can't be received, because the story has expired more than getOption("story_viewers_expiration_delay") seconds ago
 //@interaction_info Information about interactions with the story; may be null if the story isn't owned or there were no interactions
-//@privacy_settings Privacy rules affecting story visibility; may be null if the story isn't owned
+//@privacy_settings Privacy rules affecting story visibility; may be approximate for non-owned stories
 //@content Content of the story
 //@caption Caption of the story
 story id:int32 sender_chat_id:int53 date:int32 is_being_edited:Bool is_edited:Bool is_pinned:Bool is_visible_only_for_self:Bool can_be_forwarded:Bool can_be_replied:Bool can_get_viewers:Bool has_expired_viewers:Bool interaction_info:storyInteractionInfo privacy_settings:StoryPrivacySettings content:StoryContent caption:formattedText = Story;

td/telegram/StoryManager.cpp

@@ -744,6 +744,8 @@ void StoryManager::Story::store(StorerT &storer) const {
   STORE_FLAG(has_privacy_rules);
   STORE_FLAG(has_content);
   STORE_FLAG(has_caption);
+  STORE_FLAG(is_for_contacts_);
+  STORE_FLAG(is_for_selected_contacts_);
   END_STORE_FLAGS();
   store(date_, storer);
   store(expire_date_, storer);
@@ -783,6 +785,8 @@ void StoryManager::Story::parse(ParserT &parser) {
   PARSE_FLAG(has_privacy_rules);
   PARSE_FLAG(has_content);
   PARSE_FLAG(has_caption);
+  PARSE_FLAG(is_for_contacts_);
+  PARSE_FLAG(is_for_selected_contacts_);
   END_PARSE_FLAGS();
   parse(date_, parser);
   parse(expire_date_, parser);
@@ -2278,8 +2282,15 @@ td_api::object_ptr<td_api::story> StoryManager::get_story_object(StoryFullId sto
     privacy_settings = td_api::make_object<td_api::storyPrivacySettingsEveryone>();
   } else if (story->is_for_close_friends_) {
     privacy_settings = td_api::make_object<td_api::storyPrivacySettingsCloseFriends>();
-  } else if (is_owned) {
+  } else {
     privacy_settings = story->privacy_rules_.get_story_privacy_settings_object(td_);
+    if (privacy_settings == nullptr) {
+      if (story->is_for_contacts_) {
+        privacy_settings = td_api::make_object<td_api::storyPrivacySettingsContacts>();
+      } else {
+        privacy_settings = td_api::make_object<td_api::storyPrivacySettingsSelectedContacts>();
+      }
+    }
   }
 
   bool is_being_edited = false;
@@ -2494,12 +2505,16 @@ StoryId StoryManager::on_get_new_story(DialogId owner_dialog_id,
 
   if (story->is_edited_ != story_item->edited_ || story->is_pinned_ != story_item->pinned_ ||
       story->is_public_ != story_item->public_ || story->is_for_close_friends_ != story_item->close_friends_ ||
+      story->is_for_contacts_ != story_item->contacts_ ||
+      story->is_for_selected_contacts_ != story_item->selected_contacts_ ||
       story->noforwards_ != story_item->noforwards_ || story->date_ != story_item->date_ ||
       story->expire_date_ != story_item->expire_date_) {
     story->is_edited_ = story_item->edited_;
     story->is_pinned_ = story_item->pinned_;
     story->is_public_ = story_item->public_;
     story->is_for_close_friends_ = story_item->close_friends_;
+    story->is_for_contacts_ = story_item->contacts_;
+    story->is_for_selected_contacts_ = story_item->selected_contacts_;
     story->noforwards_ = story_item->noforwards_;
     story->date_ = story_item->date_;
     story->expire_date_ = story_item->expire_date_;

td/telegram/StoryManager.h

@@ -58,6 +58,8 @@ class StoryManager final : public Actor {
     bool is_pinned_ = false;
     bool is_public_ = false;
     bool is_for_close_friends_ = false;
+    bool is_for_contacts_ = false;
+    bool is_for_selected_contacts_ = false;
     bool noforwards_ = false;
     mutable bool is_update_sent_ = false;  // whether the story is known to the app
     StoryInteractionInfo interaction_info_;

td/telegram/UserPrivacySettingRule.cpp

@@ -331,6 +331,9 @@ td_api::object_ptr<td_api::userPrivacySettingRules> UserPrivacySettingRules::get
 
 td_api::object_ptr<td_api::StoryPrivacySettings> UserPrivacySettingRules::get_story_privacy_settings_object(
     Td *td) const {
+  if (rules_.empty()) {
+    return nullptr;
+  }
   if (rules_.size() == 1u && rules_[0].type_ == UserPrivacySettingRule::Type::AllowAll) {
     return td_api::make_object<td_api::storyPrivacySettingsEveryone>();
   }