join/leave guild

17 files changed, 347 insertions, 17 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 792e373..b1c9f29 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -128,8 +128,8 @@ add_executable(abaddon
 	abaddon.cpp
 	filecache.hpp
 	filecache.cpp
-	"imgmanager.hpp"
-	"imgmanager.cpp"
+	imgmanager.hpp
+	imgmanager.cpp
 	components/channels.hpp
 	components/channels.cpp
 	components/chatmessage.hpp
@@ -140,6 +140,8 @@ add_executable(abaddon
 	components/memberlist.cpp
 	dialogs/editmessage.hpp
 	dialogs/editmessage.cpp
+	dialogs/joinguild.hpp
+	dialogs/joinguild.cpp
 	dialogs/token.hpp
 	dialogs/token.cpp
 	discord/discord.hpp
@@ -169,6 +171,8 @@ add_executable(abaddon
 	discord/usersettings.cpp
 	discord/message.hpp
 	discord/message.cpp
+	discord/invite.hpp
+	discord/invite.cpp
 	windows/mainwindow.hpp
 	windows/mainwindow.cpp
 )
diff --git a/abaddon.cpp b/abaddon.cpp
index 14fdcc0..0f8a679 100644
--- a/abaddon.cpp
+++ b/abaddon.cpp
@@ -5,6 +5,7 @@
 #include "discord/discord.hpp"
 #include "dialogs/token.hpp"
 #include "dialogs/editmessage.hpp"
+#include "dialogs/joinguild.hpp"
 #include "abaddon.hpp"
 
 #ifdef _WIN32
@@ -21,6 +22,8 @@ Abaddon::Abaddon()
     m_discord.signal_message_delete().connect(sigc::mem_fun(*this, &Abaddon::DiscordOnMessageDelete));
     m_discord.signal_message_update().connect(sigc::mem_fun(*this, &Abaddon::DiscordOnMessageUpdate));
     m_discord.signal_guild_member_list_update().connect(sigc::mem_fun(*this, &Abaddon::DiscordOnGuildMemberListUpdate));
+    m_discord.signal_guild_create().connect(sigc::mem_fun(*this, &Abaddon::DiscordOnGuildCreate));
+    m_discord.signal_guild_delete().connect(sigc::mem_fun(*this, &Abaddon::DiscordOnGuildDelete));
 }
 
 Abaddon::~Abaddon() {
@@ -52,11 +55,13 @@ int Abaddon::StartGTK() {
     m_main_window->signal_action_disconnect().connect(sigc::mem_fun(*this, &Abaddon::ActionDisconnect));
     m_main_window->signal_action_set_token().connect(sigc::mem_fun(*this, &Abaddon::ActionSetToken));
     m_main_window->signal_action_reload_css().connect(sigc::mem_fun(*this, &Abaddon::ActionReloadCSS));
+    m_main_window->signal_action_join_guild().connect(sigc::mem_fun(*this, &Abaddon::ActionJoinGuildDialog));
 
     m_main_window->GetChannelList()->signal_action_channel_item_select().connect(sigc::mem_fun(*this, &Abaddon::ActionListChannelItemClick));
     m_main_window->GetChannelList()->signal_action_guild_move_up().connect(sigc::mem_fun(*this, &Abaddon::ActionMoveGuildUp));
     m_main_window->GetChannelList()->signal_action_guild_move_down().connect(sigc::mem_fun(*this, &Abaddon::ActionMoveGuildDown));
     m_main_window->GetChannelList()->signal_action_guild_copy_id().connect(sigc::mem_fun(*this, &Abaddon::ActionCopyGuildID));
+    m_main_window->GetChannelList()->signal_action_guild_leave().connect(sigc::mem_fun(*this, &Abaddon::ActionLeaveGuild));
 
     m_main_window->GetChatWindow()->signal_action_message_delete().connect(sigc::mem_fun(*this, &Abaddon::ActionChatDeleteMessage));
     m_main_window->GetChatWindow()->signal_action_message_edit().connect(sigc::mem_fun(*this, &Abaddon::ActionChatEditMessage));
@@ -103,6 +108,11 @@ std::string Abaddon::GetDiscordToken() const {
     return m_discord_token;
 }
 
+DiscordClient &Abaddon::GetDiscordClient() {
+    std::scoped_lock<std::mutex> guard(m_mutex);
+    return m_discord;
+}
+
 const DiscordClient &Abaddon::GetDiscordClient() const {
     std::scoped_lock<std::mutex> guard(m_mutex);
     return m_discord;
@@ -132,6 +142,14 @@ void Abaddon::DiscordOnGuildMemberListUpdate(Snowflake guild_id) {
     m_main_window->UpdateMembers();
 }
 
+void Abaddon::DiscordOnGuildCreate(Snowflake guild_id) {
+    m_main_window->UpdateChannelListing();
+}
+
+void Abaddon::DiscordOnGuildDelete(Snowflake guild_id) {
+    m_main_window->UpdateChannelListing();
+}
+
 void Abaddon::ActionConnect() {
     if (!m_discord.IsStarted())
         StartDiscord();
@@ -160,6 +178,15 @@ void Abaddon::ActionSetToken() {
     }
 }
 
+void Abaddon::ActionJoinGuildDialog() {
+    JoinGuildDialog dlg(*m_main_window);
+    auto response = dlg.run();
+    if (response == Gtk::RESPONSE_OK) {
+        auto code = dlg.GetCode();
+        m_discord.JoinGuild(code);
+    }
+}
+
 void Abaddon::ActionMoveGuildUp(Snowflake id) {
     auto order = m_discord.GetUserSortedGuilds();
     // get iter to target
@@ -286,6 +313,10 @@ void Abaddon::ActionInsertMention(Snowflake id) {
     m_main_window->InsertChatInput("<@" + std::to_string(id) + ">");
 }
 
+void Abaddon::ActionLeaveGuild(Snowflake id) {
+    m_discord.LeaveGuild(id);
+}
+
 void Abaddon::ActionReloadCSS() {
     try {
         Gtk::StyleContext::remove_provider_for_screen(Gdk::Screen::get_default(), m_css_provider);
diff --git a/abaddon.hpp b/abaddon.hpp
index 9b4bf81..96728c6 100644
--- a/abaddon.hpp
+++ b/abaddon.hpp
@@ -31,6 +31,7 @@ public:
     void ActionConnect();
     void ActionDisconnect();
     void ActionSetToken();
+    void ActionJoinGuildDialog();
     void ActionMoveGuildUp(Snowflake id);
     void ActionMoveGuildDown(Snowflake id);
     void ActionCopyGuildID(Snowflake id);
@@ -40,6 +41,7 @@ public:
     void ActionChatDeleteMessage(Snowflake channel_id, Snowflake id);
     void ActionChatEditMessage(Snowflake channel_id, Snowflake id);
     void ActionInsertMention(Snowflake id);
+    void ActionLeaveGuild(Snowflake id);
 
     void ActionReloadCSS();
 
@@ -48,6 +50,7 @@ public:
     std::string GetDiscordToken() const;
     bool IsDiscordActive() const;
 
+    DiscordClient &GetDiscordClient();
     const DiscordClient &GetDiscordClient() const;
     void DiscordOnReady();
     void DiscordOnChannelListRefresh();
@@ -55,6 +58,8 @@ public:
     void DiscordOnMessageDelete(Snowflake id, Snowflake channel_id);
     void DiscordOnMessageUpdate(Snowflake id, Snowflake channel_id);
     void DiscordOnGuildMemberListUpdate(Snowflake guild_id);
+    void DiscordOnGuildCreate(Snowflake guild_id);
+    void DiscordOnGuildDelete(Snowflake guild_id);
 
 private:
     DiscordClient m_discord;
diff --git a/components/channels.cpp b/components/channels.cpp
index 159e86b..5c12953 100644
--- a/components/channels.cpp
+++ b/components/channels.cpp
@@ -149,6 +149,10 @@ ChannelList::ChannelList() {
     m_guild_menu_copyid->signal_activate().connect(sigc::mem_fun(*this, &ChannelList::on_menu_copyid));
     m_guild_menu.append(*m_guild_menu_copyid);
 
+    m_guild_menu_leave = Gtk::manage(new Gtk::MenuItem("_Leave Guild", true));
+    m_guild_menu_leave->signal_activate().connect(sigc::mem_fun(*this, &ChannelList::on_menu_leave));
+    m_guild_menu.append(*m_guild_menu_leave);
+
     m_guild_menu.show_all();
 
     m_list->set_activate_on_single_click(true);
@@ -339,6 +343,12 @@ void ChannelList::on_menu_copyid() {
         m_signal_action_guild_copy_id.emit(row->ID);
 }
 
+void ChannelList::on_menu_leave() {
+    auto row = dynamic_cast<ChannelListRow *>(m_list->get_selected_row());
+    if (row != nullptr)
+        m_signal_action_guild_leave.emit(row->ID);
+}
+
 void ChannelList::AttachMenuHandler(Gtk::ListBoxRow *row) {
     row->signal_button_press_event().connect([&, row](GdkEventButton *e) -> bool {
         if (e->type == GDK_BUTTON_PRESS && e->button == GDK_BUTTON_SECONDARY) {
@@ -371,3 +381,7 @@ ChannelList::type_signal_action_guild_move_down ChannelList::signal_action_guild
 ChannelList::type_signal_action_guild_copy_id ChannelList::signal_action_guild_copy_id() {
     return m_signal_action_guild_copy_id;
 }
+
+ChannelList::type_signal_action_guild_leave ChannelList::signal_action_guild_leave() {
+    return m_signal_action_guild_leave;
+}
diff --git a/components/channels.hpp b/components/channels.hpp
index f898df7..9cd8c32 100644
--- a/components/channels.hpp
+++ b/components/channels.hpp
@@ -97,9 +97,11 @@ protected:
     Gtk::MenuItem *m_guild_menu_up;
     Gtk::MenuItem *m_guild_menu_down;
     Gtk::MenuItem *m_guild_menu_copyid;
+    Gtk::MenuItem *m_guild_menu_leave;
     void on_menu_move_up();
     void on_menu_move_down();
     void on_menu_copyid();
+    void on_menu_leave();
 
     Glib::Dispatcher m_update_dispatcher;
     //mutable std::mutex m_update_mutex;
@@ -113,15 +115,18 @@ public:
     typedef sigc::signal<void, Snowflake> type_signal_action_guild_move_up;
     typedef sigc::signal<void, Snowflake> type_signal_action_guild_move_down;
     typedef sigc::signal<void, Snowflake> type_signal_action_guild_copy_id;
+    typedef sigc::signal<void, Snowflake> type_signal_action_guild_leave;
 
     type_signal_action_channel_item_select signal_action_channel_item_select();
     type_signal_action_guild_move_up signal_action_guild_move_up();
     type_signal_action_guild_move_down signal_action_guild_move_down();
     type_signal_action_guild_copy_id signal_action_guild_copy_id();
+    type_signal_action_guild_leave signal_action_guild_leave();
 
 protected:
     type_signal_action_channel_item_select m_signal_action_channel_item_select;
     type_signal_action_guild_move_up m_signal_action_guild_move_up;
     type_signal_action_guild_move_down m_signal_action_guild_move_down;
     type_signal_action_guild_copy_id m_signal_action_guild_copy_id;
+    type_signal_action_guild_leave m_signal_action_guild_leave;
 };
diff --git a/dialogs/joinguild.cpp b/dialogs/joinguild.cpp
new file mode 100644
index 0000000..ad9630b
--- /dev/null
+++ b/dialogs/joinguild.cpp
@@ -0,0 +1,98 @@
+#include "joinguild.hpp"
+#include "../abaddon.hpp"
+#include <nlohmann/json.hpp>
+#include <regex>
+
+JoinGuildDialog::JoinGuildDialog(Gtk::Window &parent)
+    : Gtk::Dialog("Join Server", parent, true)
+    , m_layout(Gtk::ORIENTATION_VERTICAL)
+    , m_ok("OK")
+    , m_cancel("Cancel")
+    , m_info("Enter code") {
+    set_default_size(300, 50);
+
+    Glib::signal_idle().connect(sigc::mem_fun(*this, &JoinGuildDialog::on_idle_slot));
+
+    m_entry.signal_changed().connect(sigc::mem_fun(*this, &JoinGuildDialog::on_entry_changed));
+
+    m_ok.set_sensitive(false);
+
+    m_ok.signal_clicked().connect([&]() {
+        m_code = m_entry.get_text();
+        response(Gtk::RESPONSE_OK);
+    });
+
+    m_cancel.signal_clicked().connect([&]() {
+        response(Gtk::RESPONSE_CANCEL);
+    });
+
+    m_entry.set_hexpand(true);
+    m_layout.add(m_entry);
+    m_lower.set_hexpand(true);
+    m_lower.pack_start(m_info);
+    m_info.set_halign(Gtk::ALIGN_START);
+    m_lower.pack_start(m_ok, Gtk::PACK_SHRINK);
+    m_lower.pack_start(m_cancel, Gtk::PACK_SHRINK);
+    m_ok.set_halign(Gtk::ALIGN_END);
+    m_cancel.set_halign(Gtk::ALIGN_END);
+    m_layout.add(m_lower);
+    get_content_area()->add(m_layout);
+
+    show_all_children();
+}
+
+void JoinGuildDialog::on_entry_changed() {
+    std::string s = m_entry.get_text();
+    std::regex invite_regex(R"~(discord\.(gg|com)\/([a-zA-Z0-9]+)$)~", std::regex_constants::ECMAScript);
+    std::smatch match;
+    bool full_url = std::regex_search(s, match, invite_regex);
+    if (full_url || IsCode(s)) {
+        m_code = full_url ? match[2].str() : s;
+        m_needs_request = true;
+        m_ok.set_sensitive(false);
+    } else {
+        m_ok.set_sensitive(false);
+    }
+}
+
+void JoinGuildDialog::CheckCode() {
+    // clang-format off
+    Abaddon::Get().GetDiscordClient().FetchInviteData(
+        m_code,
+        [this](Invite invite) {
+                m_ok.set_sensitive(true);
+                if (invite.Members != -1)
+                    m_info.set_text(invite.Guild.Name + " (" + std::to_string(invite.Members) + " members)");
+                else
+                    m_info.set_text(invite.Guild.Name);
+        },
+        [this](bool not_found) {
+            m_ok.set_sensitive(false);
+            if (not_found)
+                m_info.set_text("Invalid invite");
+            else
+                m_info.set_text("HTTP error (try again)");
+        }
+    );
+    // clang-format on
+}
+
+bool JoinGuildDialog::IsCode(std::string str) {
+    return str.length() >= 2 && std::all_of(str.begin(), str.end(), [](char c) -> bool { return std::isalnum(c); });
+}
+
+std::string JoinGuildDialog::GetCode() {
+    return m_code;
+}
+
+static const constexpr int RateLimitMS = 1500;
+bool JoinGuildDialog::on_idle_slot() {
+    const auto now = std::chrono::steady_clock::now();
+    if (m_needs_request && ((now - m_last_req_time) > std::chrono::milliseconds(RateLimitMS))) {
+        m_needs_request = false;
+        m_last_req_time = now;
+        CheckCode();
+    }
+
+    return true;
+}
diff --git a/dialogs/joinguild.hpp b/dialogs/joinguild.hpp
new file mode 100644
index 0000000..109d010
--- /dev/null
+++ b/dialogs/joinguild.hpp
@@ -0,0 +1,31 @@
+#pragma once
+#include <gtkmm.h>
+#include <string>
+#include <chrono>
+
+class JoinGuildDialog : public Gtk::Dialog {
+public:
+    JoinGuildDialog(Gtk::Window &parent);
+    std::string GetCode();
+
+protected:
+    void on_entry_changed();
+    bool IsCode(std::string str);
+
+    Gtk::Box m_layout;
+    Gtk::Button m_ok;
+    Gtk::Button m_cancel;
+    Gtk::Box m_lower;
+    Gtk::Label m_info;
+    Gtk::Entry m_entry;
+
+    void CheckCode();
+
+    // needs a rate limit cuz if u hit it u get ip banned from /invites for a long time :(
+    bool m_needs_request = false;
+    std::chrono::time_point<std::chrono::steady_clock> m_last_req_time;
+    bool on_idle_slot();
+
+private:
+    std::string m_code;
+};
diff --git a/discord/discord.cpp b/discord/discord.cpp
index 3b74fd8..9d1842a 100644
--- a/discord/discord.cpp
+++ b/discord/discord.cpp
@@ -108,6 +108,19 @@ std::set<Snowflake> DiscordClient::GetMessagesForChannel(Snowflake id) const {
     return ret;
 }
 
+void DiscordClient::FetchInviteData(std::string code, std::function<void(Invite)> cb, std::function<void(bool)> err) {
+    //printf("test: %s\n", code.c_str());
+    //err(true);
+    m_http.MakeGET("/invites/" + code + "?with_counts=true", [this, cb, err](cpr::Response r) {
+        if (!CheckCode(r)) {
+            err(r.status_code == 404);
+            return;
+        };
+
+        cb(nlohmann::json::parse(r.text));
+    });
+}
+
 void DiscordClient::UpdateSettingsGuildPositions(const std::vector<Snowflake> &pos) {
     nlohmann::json body;
     body["guild_positions"] = pos;
@@ -247,6 +260,14 @@ void DiscordClient::SendLazyLoad(Snowflake id) {
     m_websocket.Send(j);
 }
 
+void DiscordClient::JoinGuild(std::string code) {
+    m_http.MakePOST("/invites/" + code, "", [](auto) {});
+}
+
+void DiscordClient::LeaveGuild(Snowflake id) {
+    m_http.MakeDELETE("/users/@me/guilds/" + std::to_string(id), [](auto) {});
+}
+
 void DiscordClient::UpdateToken(std::string token) {
     m_token = token;
     m_http.SetAuth(token);
@@ -332,6 +353,12 @@ void DiscordClient::HandleGatewayMessage(std::string str) {
                     case GatewayEvent::GUILD_MEMBER_LIST_UPDATE: {
                         HandleGatewayGuildMemberListUpdate(m);
                     } break;
+                    case GatewayEvent::GUILD_CREATE: {
+                        HandleGatewayGuildCreate(m);
+                    } break;
+                    case GatewayEvent::GUILD_DELETE: {
+                        HandleGatewayGuildDelete(m);
+                    } break;
                 }
             } break;
             default:
@@ -343,23 +370,27 @@ void DiscordClient::HandleGatewayMessage(std::string str) {
     }
 }
 
+void DiscordClient::ProcessNewGuild(Guild &guild) {
+    if (guild.IsUnavailable) {
+        printf("guild (%lld) unavailable\n", static_cast<uint64_t>(guild.ID));
+        return;
+    }
+
+    m_store.SetGuild(guild.ID, guild);
+    for (auto &c : guild.Channels) {
+        c.GuildID = guild.ID;
+        m_store.SetChannel(c.ID, c);
+    }
+
+    for (auto &r : guild.Roles)
+        m_store.SetRole(r.ID, r);
+}
+
 void DiscordClient::HandleGatewayReady(const GatewayMessage &msg) {
     m_ready_received = true;
     ReadyEventData data = msg.Data;
-    for (auto &g : data.Guilds) {
-        if (g.IsUnavailable)
-            printf("guild (%lld) unavailable\n", (uint64_t)g.ID);
-        else {
-            m_store.SetGuild(g.ID, g);
-            for (auto &c : g.Channels) {
-                c.GuildID = g.ID;
-                m_store.SetChannel(c.ID, c);
-            }
-
-            for (auto &r : g.Roles)
-                m_store.SetRole(r.ID, r);
-        }
-    }
+    for (auto &g : data.Guilds)
+        ProcessNewGuild(g);
 
     for (const auto &dm : data.PrivateChannels) {
         m_store.SetChannel(dm.ID, dm);
@@ -419,6 +450,34 @@ void DiscordClient::HandleGatewayGuildMemberListUpdate(const GatewayMessage &msg
     m_signal_guild_member_list_update.emit(data.GuildID);
 }
 
+void DiscordClient::HandleGatewayGuildCreate(const GatewayMessage &msg) {
+    Guild data = msg.Data;
+    ProcessNewGuild(data);
+
+    m_signal_guild_create.emit(data.ID);
+}
+
+void DiscordClient::HandleGatewayGuildDelete(const GatewayMessage &msg) {
+    Snowflake id = msg.Data.at("id");
+    bool unavailable = msg.Data.contains("unavilable") && msg.Data.at("unavailable").get<bool>();
+
+    if (unavailable)
+        printf("guild %llu became unavailable\n", static_cast<uint64_t>(id));
+
+    auto *guild = m_store.GetGuild(id);
+    if (guild == nullptr) {
+        m_store.ClearGuild(id);
+        m_signal_guild_delete.emit(id);
+        return;
+    }
+
+    m_store.ClearGuild(id);
+    for (const auto &c : guild->Channels)
+        m_store.ClearChannel(c.ID);
+
+    m_signal_guild_delete.emit(id);
+}
+
 void DiscordClient::AddMessageToChannel(Snowflake msg_id, Snowflake channel_id) {
     m_chan_to_message_map[channel_id].insert(msg_id);
 }
@@ -480,6 +539,8 @@ void DiscordClient::LoadEventMap() {
     m_event_map["MESSAGE_DELETE"] = GatewayEvent::MESSAGE_DELETE;
     m_event_map["MESSAGE_UPDATE"] = GatewayEvent::MESSAGE_UPDATE;
     m_event_map["GUILD_MEMBER_LIST_UPDATE"] = GatewayEvent::GUILD_MEMBER_LIST_UPDATE;
+    m_event_map["GUILD_CREATE"] = GatewayEvent::GUILD_CREATE;
+    m_event_map["GUILD_DELETE"] = GatewayEvent::GUILD_DELETE;
 }
 
 DiscordClient::type_signal_gateway_ready DiscordClient::signal_gateway_ready() {
@@ -505,3 +566,11 @@ DiscordClient::type_signal_message_update DiscordClient::signal_message_update()
 DiscordClient::type_signal_guild_member_list_update DiscordClient::signal_guild_member_list_update() {
     return m_signal_guild_member_list_update;
 }
+
+DiscordClient::type_signal_guild_create DiscordClient::signal_guild_create() {
+    return m_signal_guild_create;
+}
+
+DiscordClient::type_signal_guild_delete DiscordClient::signal_guild_delete() {
+    return m_signal_guild_delete;
+}
diff --git a/discord/discord.hpp b/discord/discord.hpp
index 93f5527..cda3854 100644
--- a/discord/discord.hpp
+++ b/discord/discord.hpp
@@ -68,6 +68,7 @@ public:
     std::set<Snowflake> GetMessagesForChannel(Snowflake id) const;
     std::set<Snowflake> GetPrivateChannels() const;
 
+    void FetchInviteData(std::string code, std::function<void(Invite)> cb, std::function<void(bool)> err);
     void UpdateSettingsGuildPositions(const std::vector<Snowflake> &pos);
     void FetchMessagesInChannel(Snowflake id, std::function<void(const std::vector<Snowflake> &)> cb);
     void FetchMessagesInChannelBefore(Snowflake channel_id, Snowflake before_id, std::function<void(const std::vector<Snowflake> &)> cb);
@@ -83,6 +84,8 @@ public:
     void DeleteMessage(Snowflake channel_id, Snowflake id);
     void EditMessage(Snowflake channel_id, Snowflake id, std::string content);
     void SendLazyLoad(Snowflake id);
+    void JoinGuild(std::string code);
+    void LeaveGuild(Snowflake id);
 
     void UpdateToken(std::string token);
 
@@ -91,6 +94,9 @@ private:
     std::vector<uint8_t> m_compressed_buf;
     std::vector<uint8_t> m_decompress_buf;
     z_stream m_zstream;
+
+    void ProcessNewGuild(Guild &guild);
+
     void HandleGatewayMessageRaw(std::string str);
     void HandleGatewayMessage(std::string str);
     void HandleGatewayReady(const GatewayMessage &msg);
@@ -98,6 +104,8 @@ private:
     void HandleGatewayMessageDelete(const GatewayMessage &msg);
     void HandleGatewayMessageUpdate(const GatewayMessage &msg);
     void HandleGatewayGuildMemberListUpdate(const GatewayMessage &msg);
+    void HandleGatewayGuildCreate(const GatewayMessage &msg);
+    void HandleGatewayGuildDelete(const GatewayMessage &msg);
     void HeartbeatThread();
     void SendIdentify();
 
@@ -137,6 +145,8 @@ public:
     typedef sigc::signal<void, Snowflake, Snowflake> type_signal_message_delete;
     typedef sigc::signal<void, Snowflake, Snowflake> type_signal_message_update;
     typedef sigc::signal<void, Snowflake> type_signal_guild_member_list_update;
+    typedef sigc::signal<void, Snowflake> type_signal_guild_create;
+    typedef sigc::signal<void, Snowflake> type_signal_guild_delete;
 
     type_signal_gateway_ready signal_gateway_ready();
     type_signal_channel_list_refresh signal_channel_list_refresh();
@@ -144,6 +154,8 @@ public:
     type_signal_message_delete signal_message_delete();
     type_signal_message_update signal_message_update();
     type_signal_guild_member_list_update signal_guild_member_list_update();
+    type_signal_guild_create signal_guild_create();
+    type_signal_guild_delete signal_guild_delete();
 
 protected:
     type_signal_gateway_ready m_signal_gateway_ready;
@@ -152,4 +164,6 @@ protected:
     type_signal_message_delete m_signal_message_delete;
     type_signal_message_update m_signal_message_update;
     type_signal_guild_member_list_update m_signal_guild_member_list_update;
+    type_signal_guild_create m_signal_guild_create;
+    type_signal_guild_delete m_signal_guild_delete;
 };
diff --git a/discord/http.cpp b/discord/http.cpp
index 1e9b786..b4a0f4b 100644
--- a/discord/http.cpp
+++ b/discord/http.cpp
@@ -1,5 +1,6 @@
 #include "http.hpp"
 
+//#define USE_LOCAL_PROXY
 HTTPClient::HTTPClient(std::string api_base)
     : m_api_base(api_base) {}
 
diff --git a/discord/invite.cpp b/discord/invite.cpp
new file mode 100644
index 0000000..a08bdef
--- /dev/null
+++ b/discord/invite.cpp
@@ -0,0 +1,14 @@
+#include "invite.hpp"
+
+void from_json(const nlohmann::json &j, Invite &m) {
+    JS_D("code", m.Code);
+    JS_O("channel", m.Channel);
+    JS_O("inviter", m.Inviter);
+    JS_O("approximate_member_count", m.Members);
+
+    if (j.contains("guild")) {
+        auto x = j.at("guild");
+        x.at("id").get_to(m.Guild.ID);
+        x.at("name").get_to(m.Guild.Name);
+    }
+}
diff --git a/discord/invite.hpp b/discord/invite.hpp
new file mode 100644
index 0000000..486ecad
--- /dev/null
+++ b/discord/invite.hpp
@@ -0,0 +1,15 @@
+#pragma once
+#include "json.hpp"
+#include "guild.hpp"
+#include <string>
+
+class Invite {
+public:
+    std::string Code; //
+    Guild Guild;      // opt
+    Channel Channel;  // opt
+    User Inviter;     // opt
+    int Members = -1; // opt
+
+    friend void from_json(const nlohmann::json &j, Invite &m);
+};
diff --git a/discord/objects.hpp b/discord/objects.hpp
index 4714c85..e2526fe 100644
--- a/discord/objects.hpp
+++ b/discord/objects.hpp
@@ -11,6 +11,7 @@
 #include "guild.hpp"
 #include "usersettings.hpp"
 #include "message.hpp"
+#include "invite.hpp"
 
 // most stuff below should just be objects that get processed and thrown away immediately
 
@@ -29,6 +30,8 @@ enum class GatewayEvent : int {
     MESSAGE_DELETE,
     MESSAGE_UPDATE,
     GUILD_MEMBER_LIST_UPDATE,
+    GUILD_CREATE,
+    GUILD_DELETE,
 };
 
 struct GatewayMessage {
diff --git a/discord/store.cpp b/discord/store.cpp
index fb0bec1..92ccaa0 100644
--- a/discord/store.cpp
+++ b/discord/store.cpp
@@ -114,6 +114,14 @@ const GuildMember *Store::GetGuildMemberData(Snowflake guild_id, Snowflake user_
     return &mit->second;
 }
 
+void Store::ClearGuild(Snowflake id) {
+    m_guilds.erase(id);
+}
+
+void Store::ClearChannel(Snowflake id) {
+    m_channels.erase(id);
+}
+
 const Store::channels_type &Store::GetChannels() const {
     return m_channels;
 }
diff --git a/discord/store.hpp b/discord/store.hpp
index 45b1c41..6477b50 100644
--- a/discord/store.hpp
+++ b/discord/store.hpp
@@ -29,6 +29,9 @@ public:
     const Message *GetMessage(Snowflake id) const;
     const GuildMember *GetGuildMemberData(Snowflake guild_id, Snowflake user_id) const;
 
+    void ClearGuild(Snowflake id);
+    void ClearChannel(Snowflake id);
+
     using users_type = std::unordered_map<Snowflake, User>;
     using channels_type = std::unordered_map<Snowflake, Channel>;
     using guilds_type = std::unordered_map<Snowflake, Guild>;
diff --git a/windows/mainwindow.cpp b/windows/mainwindow.cpp
index 5e85c98..74ead8f 100644
--- a/windows/mainwindow.cpp
+++ b/windows/mainwindow.cpp
@@ -15,9 +15,12 @@ MainWindow::MainWindow()
     m_menu_discord_disconnect.set_label("Disconnect");
     m_menu_discord_disconnect.set_sensitive(false);
     m_menu_discord_set_token.set_label("Set Token");
+    m_menu_discord_join_guild.set_label("Join Guild");
+    m_menu_discord_join_guild.set_sensitive(false);
     m_menu_discord_sub.append(m_menu_discord_connect);
     m_menu_discord_sub.append(m_menu_discord_disconnect);
     m_menu_discord_sub.append(m_menu_discord_set_token);
+    m_menu_discord_sub.append(m_menu_discord_join_guild);
     m_menu_discord.set_submenu(m_menu_discord_sub);
 
     m_menu_file.set_label("File");
@@ -40,6 +43,10 @@ MainWindow::MainWindow()
         m_signal_action_set_token.emit();
     });
 
+    m_menu_discord_join_guild.signal_activate().connect([&] {
+        m_signal_action_join_guild.emit();
+    });
+
     m_menu_file_reload_css.signal_activate().connect([this] {
         m_signal_action_reload_css.emit();
     });
@@ -87,8 +94,8 @@ void MainWindow::UpdateComponents() {
 
     std::string token = Abaddon::Get().GetDiscordToken();
     m_menu_discord_connect.set_sensitive(token.size() > 0 && !discord_active);
-
     m_menu_discord_disconnect.set_sensitive(discord_active);
+    m_menu_discord_join_guild.set_sensitive(discord_active);
 
     if (!discord_active) {
         m_channel_list.Clear();
@@ -191,3 +198,7 @@ MainWindow::type_signal_action_set_token MainWindow::signal_action_set_token() {
 MainWindow::type_signal_action_reload_css MainWindow::signal_action_reload_css() {
     return m_signal_action_reload_css;
 }
+
+MainWindow::type_signal_action_join_guild MainWindow::signal_action_join_guild() {
+    return m_signal_action_join_guild;
+}
diff --git a/windows/mainwindow.hpp b/windows/mainwindow.hpp
index 33308ce..0bff99b 100644
--- a/windows/mainwindow.hpp
+++ b/windows/mainwindow.hpp
@@ -30,17 +30,20 @@ public:
     typedef sigc::signal<void> type_signal_action_disconnect;
     typedef sigc::signal<void> type_signal_action_set_token;
     typedef sigc::signal<void> type_signal_action_reload_css;
+    typedef sigc::signal<void> type_signal_action_join_guild;
 
     type_signal_action_connect signal_action_connect();
     type_signal_action_disconnect signal_action_disconnect();
     type_signal_action_set_token signal_action_set_token();
     type_signal_action_reload_css signal_action_reload_css();
+    type_signal_action_join_guild signal_action_join_guild();
 
 protected:
     type_signal_action_connect m_signal_action_connect;
     type_signal_action_disconnect m_signal_action_disconnect;
     type_signal_action_set_token m_signal_action_set_token;
     type_signal_action_reload_css m_signal_action_reload_css;
+    type_signal_action_join_guild m_signal_action_join_guild;
 
 protected:
     Gtk::Box m_main_box;
@@ -58,6 +61,7 @@ protected:
     Gtk::MenuItem m_menu_discord_connect;
     Gtk::MenuItem m_menu_discord_disconnect;
     Gtk::MenuItem m_menu_discord_set_token;
+    Gtk::MenuItem m_menu_discord_join_guild;
 
     Gtk::MenuItem m_menu_file;
     Gtk::Menu m_menu_file_sub;