add archive_expires_after option

src/database/database.cpp

@@ -2,6 +2,7 @@
 #ifdef USE_DATABASE
 
 #include <database/select_query.hpp>
+#include <database/delete_query.hpp>
 #include <database/save.hpp>
 #include <database/database.hpp>
 #include <utils/get_first_non_empty.hpp>
@@ -317,6 +318,14 @@ std::vector<Database::RosterItem> Database::get_full_roster()
   return query.execute(*Database::db);
 }
 
+void Database::delete_old_muclines(const long& seconds)
+{
+  auto query = DeleteQuery(Database::muc_log_lines.get_name());
+  query << " WHERE " << Database::Date{} << "<" << seconds;
+
+  query.execute(*Database::db);
+}
+
 void Database::close()
 {
   Database::db = nullptr;

src/database/database.hpp

@@ -153,6 +153,7 @@ class Database
   static void delete_roster_item(const std::string& local, const std::string& remote);
   static std::vector<Database::RosterItem> get_contact_list(const std::string& local);
   static std::vector<Database::RosterItem> get_full_roster();
+  static void delete_old_muclines(const long& seconds);
 
   static void close();
   static void open(const std::string& filename);