1 files changed, 98 insertions, 0 deletions
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;
+}