Support using follower emotes outside of channel if subbed (#4922)

If we also have a subscriber emote set for a channel, then don't treat a follower emote set as local to that channel. Co-authored-by: iProdigy <[email protected]>
Chatterino · Nov 4, 2023 · 879a63e · 879a63e
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commit 879a63e
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## Unversioned
 
+- Major: Allow use of Twitch follower emotes in other channels if subscribed. (#4922)
 - Minor: Migrate to the new Get Channel Followers Helix endpoint, fixing follower count not showing up in usercards. (#4809)
 - Minor: The account switcher is now styled to match your theme. (#4817)
 - Minor: Add an invisible resize handle to the bottom of frameless user info popups and reply thread popups. (#4795)

diff --git a/src/providers/twitch/TwitchAccount.cpp b/src/providers/twitch/TwitchAccount.cpp
@@ -264,11 +264,32 @@ void TwitchAccount::loadUserstateEmotes(std::weak_ptr<Channel> weakChannel)
             [this, weakChannel](QJsonArray emoteSetArray) {
                 auto emoteData = this->emotes_.access();
                 auto localEmoteData = this->localEmotes_.access();
-                for (auto emoteSet_ : emoteSetArray)
+
+                std::unordered_set<QString> subscriberChannelIDs;
+                std::vector<IvrEmoteSet> ivrEmoteSets;
+                ivrEmoteSets.reserve(emoteSetArray.size());
+
+                for (auto emoteSet : emoteSetArray)
                 {
-                    auto emoteSet = std::make_shared<EmoteSet>();
+                    IvrEmoteSet ivrEmoteSet(emoteSet.toObject());
+                    if (!ivrEmoteSet.tier.isNull())
+                    {
+                        subscriberChannelIDs.insert(ivrEmoteSet.channelId);
+                    }
+                    ivrEmoteSets.emplace_back(ivrEmoteSet);
+                }
+
+                for (const auto &emoteSet : emoteData->emoteSets)
+                {
+                    if (emoteSet->subscriber)
+                    {
+                        subscriberChannelIDs.insert(emoteSet->channelID);
+                    }
+                }
 
-                    IvrEmoteSet ivrEmoteSet(emoteSet_.toObject());
+                for (const auto &ivrEmoteSet : ivrEmoteSets)
+                {
+                    auto emoteSet = std::make_shared<EmoteSet>();
 
                     QString setKey = ivrEmoteSet.setId;
                     emoteSet->key = setKey;
@@ -285,8 +306,15 @@ void TwitchAccount::loadUserstateEmotes(std::weak_ptr<Channel> weakChannel)
                         continue;
                     }
 
+                    emoteSet->channelID = ivrEmoteSet.channelId;
                     emoteSet->channelName = ivrEmoteSet.login;
                     emoteSet->text = ivrEmoteSet.displayName;
+                    emoteSet->subscriber = !ivrEmoteSet.tier.isNull();
+
+                    // NOTE: If a user does not have a subscriber emote set, but a follower emote set, this logic will be wrong
+                    // However, that's not a realistic problem.
+                    bool haveSubscriberSetForChannel =
+                        subscriberChannelIDs.contains(ivrEmoteSet.channelId);
 
                     for (const auto &emoteObj : ivrEmoteSet.emotes)
                     {
@@ -302,7 +330,9 @@ void TwitchAccount::loadUserstateEmotes(std::weak_ptr<Channel> weakChannel)
                             getApp()->emotes->twitch.getOrCreateEmote(id, code);
 
                         // Follower emotes can be only used in their origin channel
-                        if (ivrEmote.emoteType == "FOLLOWER")
+                        // unless the user is subscribed, then they can be used anywhere.
+                        if (ivrEmote.emoteType == "FOLLOWER" &&
+                            !haveSubscriberSetForChannel)
                         {
                             emoteSet->local = true;
 

diff --git a/src/providers/twitch/TwitchAccount.hpp b/src/providers/twitch/TwitchAccount.hpp
@@ -36,7 +36,9 @@ class TwitchAccount : public Account
     struct EmoteSet {
         QString key;
         QString channelName;
+        QString channelID;
         QString text;
+        bool subscriber{false};
         bool local{false};
         std::vector<TwitchEmote> emotes;
     };