Feature: iq::Bind

library/include/larra/bind.hpp

@@ -0,0 +1,53 @@
+#pragma once
+#include <libxml++/libxml++.h>
+#include <spdlog/spdlog.h>
+
+#include <larra/iq.hpp>
+#include <larra/jid.hpp>
+#include <optional>
+
+namespace larra::xmpp::iq {
+
+struct Bind {
+  static constexpr auto kDefaultName = "bind";
+  static constexpr auto kDefaultNamespace = "urn:ietf:params:xml:ns:xmpp-bind";
+
+  std::optional<FullJid> jid;
+
+  friend constexpr auto operator<<(xmlpp::Element* element, const Bind& bind) {
+    element->set_attribute("xmlns", Bind::kDefaultNamespace);
+
+    if(bind.jid) {
+      auto* jid_el = element->add_child_element("jid");
+      jid_el->add_child_text(ToString(*bind.jid));
+    }
+  }
+  [[nodiscard]] static constexpr auto Parse(xmlpp::Element* element) -> Bind {
+    const auto* jid_node = element->get_first_child("jid");
+    if(!jid_node) {
+      SPDLOG_DEBUG("No Jid Node at Iq::Bind");
+      return {};
+    }
+
+    auto* jid_el = dynamic_cast<const xmlpp::Element*>(jid_node);
+    if(!jid_el) {
+      throw std::runtime_error("dynamic_cast to const xmlpp::Element* failed");
+    }
+
+    const auto* text = jid_el->get_first_child_text();
+    if(!jid_el) {
+      throw std::runtime_error("No text at Iq::Bind jid child");
+    }
+
+    return {.jid = (jid_node ? std::optional{FullJid::Parse(text->get_content())} : std::nullopt)};
+  }
+};
+
+using SetBind = Set<Bind>;
+using ResultBind = Result<Bind>;
+using IqBind = Iq<Bind>;
+
+inline auto MakeSetBind() {
+  return SetBind{.id = "1", .payload = Bind{}};
+}
+}  // namespace larra::xmpp::iq

library/include/larra/iq.hpp

@@ -2,6 +2,7 @@
 #include <larra/serialization.hpp>
 #include <larra/stream_error.hpp>
 #include <larra/utils.hpp>
+#include <optional>
 #include <string>
 
 namespace larra::xmpp {
@@ -11,6 +12,8 @@ namespace iq {
 template <auto& Name, typename PayloadType>
 struct BaseImplWithPayload {
   std::string id;
+  std::optional<std::string> from{};
+  std::optional<std::string> to{};
   PayloadType payload;
   static const inline std::string kName = Name;
   static constexpr auto kDefaultName = "iq";
@@ -19,16 +22,32 @@ struct BaseImplWithPayload {
   [[nodiscard]] constexpr auto Id(this Self&& self, std::string id) -> std::decay_t<Self> {
     return utils::FieldSetHelper::With<"id", BaseImplWithPayload>(std::forward<Self>(self), std::move(id));
   }
+  template <typename Self>
+  [[nodiscard]] constexpr auto To(this Self&& self, std::string to) -> std::decay_t<Self> {
+    return utils::FieldSetHelper::With<"to", BaseImplWithPayload>(std::forward<Self>(self), std::move(to));
+  }
+  template <typename Self>
+  [[nodiscard]] constexpr auto From(this Self&& self, std::string from) -> std::decay_t<Self> {
+    return utils::FieldSetHelper::With<"from", BaseImplWithPayload>(std::forward<Self>(self), std::move(from));
+  }
   template <typename NewPayloadType, typename Self>
   [[nodiscard]] constexpr auto Payload(this Self&& self, NewPayloadType value) {
     return utils::FieldSetHelper::With<"payload", BaseImplWithPayload, false>(std::forward<Self>(self), std::move(value));
   }
   friend constexpr auto operator<<(xmlpp::Element* element, const BaseImplWithPayload& self) {
     element->set_attribute("id", self.id);
+
+    if (self.to) {
+      element->set_attribute("to", *self.to);
+    }
+    if (self.from) {
+      element->set_attribute("from", *self.from);
+    }
     element->set_attribute("type", kName);
     using S = Serialization<PayloadType>;
     S::Serialize(element->add_child_element(S::kDefaultName, S::kPrefix), self.payload);
   }
+
   [[nodiscard]] static constexpr auto Parse(xmlpp::Element* element) -> BaseImplWithPayload {
     auto node = element->get_attribute("type");
     if(!node) {
@@ -41,6 +60,9 @@ struct BaseImplWithPayload {
     if(!idNode) {
       throw std::runtime_error("Not found attribute id for parse Iq");
     }
+    auto from = element->get_attribute("from");
+    auto to = element->get_attribute("to");
+    
 
     using S = Serialization<PayloadType>;
     auto payload = element->get_first_child(S::kDefaultName);
@@ -51,7 +73,11 @@ struct BaseImplWithPayload {
     if(!payload2) {
       throw std::runtime_error("Invalid payload for parse Iq");
     }
-    return {.id = idNode->get_value(), .payload = S::Parse(payload2)};
+    return {
+      .id = idNode->get_value(),
+      .from = (from ? std::optional{from->get_value()} : std::nullopt),
+      .to = (to ? std::optional{to->get_value()} : std::nullopt),
+      .payload = S::Parse(payload2)};
   }
 };
 static constexpr auto kGetName = "get";

library/include/larra/jid.hpp

@@ -7,24 +7,6 @@
 
 namespace larra::xmpp {
 
-struct BareJid {
-  std::string username;
-  std::string server;
-  [[nodiscard]] static auto Parse(std::string_view jid) -> BareJid;
-  friend auto ToString(const BareJid& jid) -> std::string;
-
-  constexpr auto operator==(const BareJid&) const -> bool = default;
-  template <typename Self>
-  [[nodiscard]] constexpr auto Username(this Self&& self, std::string username) -> std::decay_t<Self> {
-    return utils::FieldSetHelper::With<"username", BareJid>(std::forward<Self>(self), std::move(username));
-  }
-
-  template <typename Self>
-  [[nodiscard]] constexpr auto Server(this Self&& self, std::string server) -> std::decay_t<Self> {
-    return utils::FieldSetHelper::With<"server", BareJid>(std::forward<Self>(self), std::move(server));
-  }
-};
-
 struct BareResourceJid {
   std::string server;
   std::string resource;
@@ -69,6 +51,27 @@ struct FullJid {
   }
 };
 
+struct BareJid {
+  std::string username;
+  std::string server;
+  constexpr operator FullJid() const {
+    return FullJid{.username = username, .server = server, .resource = ""};
+  }
+  [[nodiscard]] static auto Parse(std::string_view jid) -> BareJid;
+  friend auto ToString(const BareJid& jid) -> std::string;
+
+  constexpr auto operator==(const BareJid&) const -> bool = default;
+  template <typename Self>
+  [[nodiscard]] constexpr auto Username(this Self&& self, std::string username) -> std::decay_t<Self> {
+    return utils::FieldSetHelper::With<"username", BareJid>(std::forward<Self>(self), std::move(username));
+  }
+
+  template <typename Self>
+  [[nodiscard]] constexpr auto Server(this Self&& self, std::string server) -> std::decay_t<Self> {
+    return utils::FieldSetHelper::With<"server", BareJid>(std::forward<Self>(self), std::move(server));
+  }
+};
+
 using JidVariant = std::variant<BareJid, BareResourceJid, FullJid>;
 
 struct Jid : JidVariant {