Implement add_room_tag

src/matrix-http-api.c

@@ -2649,6 +2649,35 @@ i_delete_room_tag(MatrixAPI *api,
     g_free(path);
 }
 
+static void
+i_add_room_tag(MatrixAPI *api,
+               MatrixAPICallback callback,
+               gpointer user_data,
+               const gchar *user_id,
+               const gchar *room_id,
+               const gchar *tag,
+               JsonNode *content,
+               GError **error)
+{
+    gchar *encoded_user_id, *encoded_room_id, *encoded_tag, *path;
+
+    encoded_user_id = soup_uri_encode(user_id, NULL);
+    encoded_room_id = soup_uri_encode(room_id, NULL);
+    encoded_tag = soup_uri_encode(tag, NULL);
+    path = g_strdup_printf("user/%s/rooms/%s/tags/%s",
+                           encoded_user_id, encoded_room_id, encoded_tag);
+    g_free(encoded_user_id);
+    g_free(encoded_room_id);
+    g_free(encoded_tag);
+
+    _send(MATRIX_HTTP_API(api),
+          callback, user_data,
+          CALL_API,
+          "PUT", path, NULL, NULL, content, NULL,
+          FALSE, error);
+    g_free(path);
+}
+
 static void
 matrix_http_api_matrix_api_init(MatrixAPIInterface *iface)
 {
@@ -2738,7 +2767,7 @@ matrix_http_api_matrix_api_init(MatrixAPIInterface *iface)
     iface->set_account_data = i_set_account_data;
     iface->get_room_tags = i_get_room_tags;
     iface->delete_room_tag = i_delete_room_tag;
-    iface->add_room_tag = NULL;
+    iface->add_room_tag = i_add_room_tag;
 
     /* VoIP */
     iface->get_turn_server = NULL;