Support for chat rename

interface.c

@@ -67,6 +67,7 @@ char *commands[] = {
   "chat_info",
   "user_info",
   "fwd",
+  "rename_chat",
   "show_license",
   0 };
 
@@ -83,6 +84,7 @@ int commands_flags[] = {
   074,
   071,
   072,
+  074,
   07,
 };
 
@@ -277,6 +279,18 @@ void interpreter (char *line UU) {
     if (*q && index < user_num + chat_num) {
       do_send_message (Peers[index], q, strlen (q));
     }
+  } else if (!memcmp (line, "rename_chat", 11)) {
+    char *q = line + 11;
+    int len;
+    char *text = get_token (&q, &len);
+    int index = 0;
+    while (index < user_num + chat_num && (!Peers[index]->print_name || strncmp (Peers[index]->print_name, text, len) || Peers[index]->id >= 0)) {
+      index ++;
+    }
+    while (*q && (*q == ' ' || *q == '\t')) { q ++; }
+    if (*q && index < user_num + chat_num) {
+      do_rename_chat (Peers[index], q);
+    }
   } else if (!memcmp (line, "send_photo", 10)) {
     char *q = line + 10;
     int len;

queries.c

@@ -923,6 +923,38 @@ void do_forward_message (union user_chat *U, int n) {
   send_query (DC_working, packet_ptr - packet_buffer, packet_buffer, &fwd_msg_methods, 0);
 }
 
+int rename_chat_on_answer (struct query *q UU) {
+  assert (fetch_int () == (int)CODE_messages_stated_message);
+  struct message *M = fetch_alloc_message ();
+  assert (fetch_int () == CODE_vector);
+  int n, i;
+  n = fetch_int ();
+  for (i = 0; i < n; i++) {
+    fetch_alloc_chat ();
+  }
+  assert (fetch_int () == CODE_vector);
+  n = fetch_int ();
+  for (i = 0; i < n; i++) {
+    fetch_alloc_user ();
+  }
+  fetch_int (); // pts
+  fetch_int (); // seq
+  print_message (M);
+  return 0;
+}
+
+struct query_methods rename_chat_methods = {
+  .on_answer = rename_chat_on_answer
+};
+
+void do_rename_chat (union user_chat *U, char *name) {
+  clear_packet ();
+  out_int (CODE_messages_edit_chat_title);
+  out_int (-U->id);
+  out_string (name);
+  send_query (DC_working, packet_ptr - packet_buffer, packet_buffer, &rename_chat_methods, 0);
+}
+
 int chat_info_on_answer (struct query *q UU) {
   struct chat *C = fetch_alloc_chat_full ();
   union user_chat *U = (void *)C;

queries.h

@@ -77,5 +77,6 @@ void do_get_chat_info (union user_chat *chat);
 void do_get_user_list_info_silent (int num, int *list);
 void do_get_user_info (union user_chat *user);
 void do_forward_message (union user_chat *U, int n);
+void do_rename_chat (union user_chat *U, char *name);
 
 #endif