Store the setter and ts for all modes and try to restore them.

This is mostly for preserving channel list mode info.

1 files changed, 19 insertions, 4 deletions

diff --git a/include/modes.h b/include/modes.h
index db84a64fe..3052ab00b 100644
--- a/include/modes.h
+++ b/include/modes.h
@@ -33,6 +33,20 @@ enum ModeClass
 	MC_USER
 };
 
+struct ModeData final
+{
+	Anope::string value;
+	Anope::string set_by;
+	time_t set_at;
+
+	ModeData(const Anope::string &v = "", const Anope::string &s = "", time_t t = 0)
+		: value(v)
+		, set_by(s)
+		, set_at(t)
+	{
+	}
+};
+
 /** This class is the basis of all modes in Anope
  */
 class CoreExport Mode
@@ -311,6 +325,7 @@ public:
 class CoreExport ModeManager final
 {
 public:
+	using Change = std::multimap<Mode *, std::pair<bool, ModeData>>;
 
 	/* Number of generic channel and user modes we are tracking */
 	static unsigned GenericChannelModes;
@@ -378,18 +393,18 @@ public:
 	 * @param c The channel
 	 * @param cm The channel mode
 	 * @param set true for setting, false for removing
-	 * @param param The param, if there is one
+	 * @param data Data about the mode.
 	 */
-	static void StackerAdd(BotInfo *bi, Channel *c, ChannelMode *cm, bool set, const Anope::string &param = "");
+	static void StackerAdd(BotInfo *bi, Channel *c, ChannelMode *cm, bool set, const ModeData &data = {});
 
 	/** Add a mode to the stacker to be set on a user
 	 * @param bi The client to set the modes from
 	 * @param u The user
 	 * @param um The user mode
 	 * @param set true for setting, false for removing
-	 * @param param The param, if there is one
+	 * @param data Data about the mode.
 	 */
-	static void StackerAdd(BotInfo *bi, User *u, UserMode *um, bool set, const Anope::string &param = "");
+	static void StackerAdd(BotInfo *bi, User *u, UserMode *um, bool set, const ModeData &data = {});
 
 	/** Process all of the modes in the stacker and send them to the IRCd to be set on channels/users
 	 */