Handle private messages, both ways

src/bridge/bridge.cpp

@@ -87,6 +87,15 @@ void Bridge::send_channel_message(const Iid& iid, const std::string& body)
   this->xmpp->send_muc_message(iid.chan + "%" + iid.server, irc->get_own_nick(), body, this->user_jid);
 }
 
+void Bridge::send_private_message(const Iid& iid, const std::string& body)
+{
+  if (iid.chan.empty() || iid.server.empty())
+    return ;
+  IrcClient* irc = this->get_irc_client(iid.server);
+  if (irc)
+    irc->send_private_message(iid.chan, body);
+}
+
 void Bridge::leave_irc_channel(Iid&& iid, std::string&& status_message)
 {
   IrcClient* irc = this->get_irc_client(iid.server);
@@ -94,18 +103,19 @@ void Bridge::leave_irc_channel(Iid&& iid, std::string&& status_message)
     irc->send_part_command(iid.chan, status_message);
 }
 
-void Bridge::send_muc_message(const Iid& iid, const std::string& nick, const std::string& body)
+void Bridge::send_message(const Iid& iid, const std::string& nick, const std::string& body, const bool muc)
 {
-  const std::string& utf8_body = this->sanitize_for_xmpp(body);
+  std::string utf8_body = this->sanitize_for_xmpp(body);
   if (utf8_body.substr(0, action_prefix_len) == action_prefix)
     { // Special case for ACTION (/me) messages:
       // "\01ACTION goes out\01" == "/me goes out"
-      this->xmpp->send_muc_message(iid.chan + "%" + iid.server, nick,
-        std::string("/me ") + utf8_body.substr(action_prefix_len, utf8_body.size() - action_prefix_len - 1),
-        this->user_jid);
+      utf8_body = std::string("/me ") +
+        utf8_body.substr(action_prefix_len, utf8_body.size() - action_prefix_len - 1);
     }
-  else
+  if (muc)
     this->xmpp->send_muc_message(iid.chan + "%" + iid.server, nick, utf8_body, this->user_jid);
+  else
+    this->xmpp->send_message(iid.chan + "%" + iid.server, utf8_body, this->user_jid);
 }
 
 void Bridge::send_muc_leave(Iid&& iid, std::string&& nick, std::string&& message, const bool self)

src/bridge/bridge.hpp

@@ -32,6 +32,7 @@ public:
 
   void join_irc_channel(const Iid& iid, const std::string& username);
   void send_channel_message(const Iid& iid, const std::string& body);
+  void send_private_message(const Iid& iid, const std::string& body);
   void leave_irc_channel(Iid&& iid, std::string&& status_message);
 
   /***
@@ -60,7 +61,7 @@ public:
   /**
    * Send a MUC message from some participant
    */
-  void send_muc_message(const Iid& iid, const std::string& nick, const std::string& body);
+  void send_message(const Iid& iid, const std::string& nick, const std::string& body, const bool muc);
   /**
    * Send an unavailable presence from this participant
    */

src/irc/irc_client.cpp

@@ -147,6 +147,11 @@ bool IrcClient::send_channel_message(const std::string& chan_name, const std::st
   return true;
 }
 
+void IrcClient::send_private_message(const std::string& username, const std::string& body)
+{
+  this->send_message(IrcMessage("PRIVMSG", {username, body}));
+}
+
 void IrcClient::send_part_command(const std::string& chan_name, const std::string& status_message)
 {
   IrcChannel* channel = this->get_channel(chan_name);
@@ -211,7 +216,13 @@ void IrcClient::on_channel_message(const IrcMessage& message)
   iid.chan = message.arguments[0];
   iid.server = this->hostname;
   const std::string body = message.arguments[1];
-  this->bridge->send_muc_message(iid, nick, body);
+  bool muc = true;
+  if (!this->get_channel(iid.chan)->joined)
+    {
+      iid.chan = nick;
+      muc = false;
+    }
+  this->bridge->send_message(iid, nick, body, muc);
 }
 
 void IrcClient::on_topic_received(const IrcMessage& message)

src/irc/irc_client.hpp

@@ -75,6 +75,10 @@ public:
    * Return true if the message was actually sent
    */
   bool send_channel_message(const std::string& chan_name, const std::string& body);
+  /**
+   * Send a PRIVMSG command for an user
+   */
+  void send_private_message(const std::string& username, const std::string& body);
   /**
    * Send the PART irc command
    */

src/xmpp/xmpp_component.cpp

@@ -188,6 +188,11 @@ void XmppComponent::handle_message(const Stanza& stanza)
         if (body && !body->get_inner().empty())
           bridge->send_channel_message(iid, body->get_inner());
     }
+  else
+    {
+      if (body && !body->get_inner().empty())
+        bridge->send_private_message(iid, body->get_inner());
+    }
 }
 
 Bridge* XmppComponent::get_user_bridge(const std::string& user_jid)