From 7bf0f7107b72af01fea83a7343ce1c32e54865e9 Mon Sep 17 00:00:00 2001
From: dec05eba <dec05eba@protonmail.com>
Date: Mon, 21 Sep 2020 04:15:39 +0200
Subject: Add matrix room names

---
 src/QuickMedia.cpp     |  5 ++--
 src/plugins/Matrix.cpp | 66 ++++++++++++++++++++++++++++++++++++++++++++++++--
 2 files changed, 66 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/QuickMedia.cpp b/src/QuickMedia.cpp
index 1d0518f..d756b98 100644
--- a/src/QuickMedia.cpp
+++ b/src/QuickMedia.cpp
@@ -3068,7 +3068,7 @@ namespace QuickMedia {
         // The room id should be saved in a file when changing viewed room.
         std::string current_room_id;
         if(!tabs[ROOMS_TAB_INDEX].body->items.empty())
-            current_room_id = tabs[ROOMS_TAB_INDEX].body->items[0]->get_title();
+            current_room_id = tabs[ROOMS_TAB_INDEX].body->items[0]->url;
 
         // TODO: Allow empty initial room (if the user hasn't joined any room yet)
         assert(!current_room_id.empty());
@@ -3090,8 +3090,7 @@ namespace QuickMedia {
             } else if(tabs[selected_tab].type == ChatTabType::ROOMS) {
                 BodyItem *selected_item = tabs[selected_tab].body->get_selected();
                 if(selected_item) {
-                    // TODO: Change to selected_item->url once rooms have a display name
-                    current_room_id = selected_item->get_title();
+                    current_room_id = selected_item->url;
                     selected_tab = MESSAGES_TAB_INDEX;
                     room_message_index = 0;
                     tabs[MESSAGES_TAB_INDEX].body->clear_items();
diff --git a/src/plugins/Matrix.cpp b/src/plugins/Matrix.cpp
index 77e295e..ad0dfea 100644
--- a/src/plugins/Matrix.cpp
+++ b/src/plugins/Matrix.cpp
@@ -129,16 +129,22 @@ namespace QuickMedia {
                 continue;
 
             std::string room_id_str = room_id_json.asString();
+            std::string room_name;
 
             auto room_it = room_data_by_id.find(room_id_str);
             if(room_it == room_data_by_id.end()) {
                 auto room_data = std::make_unique<RoomData>();
                 room_data_by_id.insert(std::make_pair(room_id_str, std::move(room_data)));
+                room_name = room_id_str;
                 fprintf(stderr, "Missing room %s from /sync, adding in joined_rooms\n", room_id_str.c_str());
+            } else {
+                room_name = room_it->second->name;
+                if(room_name.empty())
+                    room_name = room_id_str;
             }
 
-            auto body_item = std::make_unique<BodyItem>(std::move(room_id_str));
-            //body_item->url = "";
+            auto body_item = std::make_unique<BodyItem>(std::move(room_name));
+            body_item->url = room_id_str;
             result_items.push_back(std::move(body_item));
         }
 
@@ -225,6 +231,7 @@ namespace QuickMedia {
 
             const Json::Value &events_json = state_json["events"];
             events_add_user_info(events_json, room_it->second.get());
+            events_set_room_name(events_json, room_it->second.get());
         }
 
         for(Json::Value::const_iterator it = join_json.begin(); it != join_json.end(); ++it) {
@@ -255,6 +262,7 @@ namespace QuickMedia {
 
             const Json::Value &events_json = timeline_json["events"];
             events_add_messages(events_json, room_it->second.get(), MessageDirection::AFTER);
+            events_set_room_name(events_json, room_it->second.get());
         }
 
         return PluginResult::OK;
@@ -360,6 +368,59 @@ namespace QuickMedia {
         }
     }
 
+    // Returns empty string on error
+    static std::string extract_user_name_from_user_id(const std::string &user_id) {
+        size_t index = user_id.find(':');
+        if(index == std::string::npos || index == 0 || user_id.empty() || user_id[0] != '@')
+            return "";
+        return user_id.substr(1, index - 1);
+    }
+
+    void Matrix::events_set_room_name(const Json::Value &events_json, RoomData *room_data) {
+        if(!events_json.isArray())
+            return;
+
+        for(const Json::Value &event_item_json : events_json) {
+            if(!event_item_json.isObject())
+                continue;
+
+            const Json::Value &type_json = event_item_json["type"];
+            if(!type_json.isString() || strcmp(type_json.asCString(), "m.room.name") != 0)
+                continue;
+            
+            const Json::Value &content_json = event_item_json["content"];
+            if(!content_json.isObject())
+                continue;
+
+            const Json::Value &name_json = content_json["name"];
+            if(!name_json.isString())
+                continue;
+
+            room_data->name = name_json.asString();
+            return;
+        }
+
+        for(const Json::Value &event_item_json : events_json) {
+            if(!event_item_json.isObject())
+                continue;
+
+            const Json::Value &type_json = event_item_json["type"];
+            if(!type_json.isString() || strcmp(type_json.asCString(), "m.room.create") != 0)
+                continue;
+            
+            const Json::Value &content_json = event_item_json["content"];
+            if(!content_json.isObject())
+                continue;
+
+            const Json::Value &creator_json = content_json["creator"];
+            if(!creator_json.isString())
+                continue;
+
+            room_data->name = extract_user_name_from_user_id(creator_json.asString());
+            return;
+        }
+    }
+
     PluginResult Matrix::load_initial_room_data(const std::string &room_id, RoomData *room_data) {
         std::string from = room_data->prev_batch;
         if(from.empty()) {
@@ -409,6 +470,7 @@ namespace QuickMedia {
 
         const Json::Value &state_json = json_root["state"];
         events_add_user_info(state_json, room_data);
+        events_set_room_name(state_json, room_data);
 
         const Json::Value &chunk_json = json_root["chunk"];
         events_add_messages(chunk_json, room_data, MessageDirection::BEFORE);
-- 
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