im: remove message saving

This is not used by the daemon and the clients save IMs via LRC.
There is no need for this function and it only pollutes the daemon
dir with im files.

Issue: #79618
Change-Id: Ibab3f83a3c6a966f0d602017c50aeb7cd7a4567f

src/im/instant_messaging.cpp

@@ -56,23 +56,6 @@ static void XMLCALL
 endElementCallback(void * /*userData*/, const char* /*name*/)
 {}
 
-bool
-InstantMessaging::saveMessage(const std::string& message, const std::string& author,
-                              const std::string& id, int mode)
-{
-    std::ofstream File;
-    std::string filename = "im_" + id;
-    File.open(filename.c_str(), static_cast<std::ios_base::openmode>(mode));
-
-    if (!File.good() || !File.is_open())
-        return false;
-
-    File << "[" << author << "] " << message << '\n';
-    File.close();
-
-    return true;
-}
-
 void
 InstantMessaging::sendSipMessage(pjsip_inv_session* session, const std::string& id,
                                  const std::vector<std::string>& chunks)
@@ -102,8 +85,6 @@ InstantMessaging::sendSipMessage(pjsip_inv_session* session, const std::string&
         if (ret != PJ_SUCCESS)
             RING_WARN("SIP send message failed: %s", sip_utils::sip_strerror(ret).c_str());
         pjsip_dlg_dec_lock(dialog);
-
-        saveMessage(text, "Me", id);
     }
 }
 

src/im/instant_messaging.h

@@ -33,9 +33,7 @@
 #define __INSTANT_MESSAGING_H__
 
 #include <string>
-#include <iostream>
 #include <vector>
-#include <fstream>
 #include <pjsip.h>
 #include <pjlib.h>
 #include <pjsip_ua.h>
@@ -79,17 +77,6 @@ struct InstantMessageException : std::runtime_error
 using UriEntry = std::map<std::string, std::string>;
 using UriList = std::list<UriEntry>;
 
-/*
- * Write the text message to the right file
- * The call ID is associated to a file descriptor, so it is easy then to retrieve the right file
- *
- * @param message	The text message
- * @param id	The current call
- * @return True if the message could have been successfully saved, False otherwise
- */
-bool saveMessage(const std::string& message, const std::string& author, const std::string& id,
-                 int mode = MODE_APPEND);
-
 void sendSipMessage(pjsip_inv_session* session, const std::string& id,
                     const std::vector<std::string>& chunks);
 #if HAVE_IAX