[Commands] Cleanup #refreshgroup Command. (#2119)

- Cleanup messages and logic.

zone/gm_commands/refreshgroup.cpp

@@ -3,17 +3,58 @@
 
 void command_refreshgroup(Client *c, const Seperator *sep)
 {
-	if (!c) {
+	auto target = c;
+	if (c->GetTarget() && c->GetTarget()->IsClient()) {
+		target = c->GetTarget()->CastToClient();
+	}
+
+	Group *group = target->GetGroup();
+
+	if (!group) {
+		c->Message(
+			Chat::White,
+			fmt::format(
+				"{} not in a group.",
+				(
+					c == target ?
+					"You are" :
+					fmt::format(
+						"{} ({}} is",
+						target->GetCleanName(),
+						target->GetID()
+					)
+				)
+			).c_str()
+		);
 		return;
 	}
 
-	Group *g = c->GetGroup();
+	database.RefreshGroupFromDB(target);
 
-	if (!g) {
-		return;
+	c->Message(
+		Chat::White,
+		fmt::format(
+			"Group has been refreshed for {}.",
+			(
+				c == target ?
+				"yourself" :
+				fmt::format(
+					"{} ({})",
+					target->GetCleanName(),
+					target->GetID()
+				)
+			)
+		).c_str()
+	);
+
+	if (c != target) {
+		target->Message(
+			Chat::White,
+			fmt::format(
+				"Your group has been refreshed by {}.",
+				c->GetCleanName()
+			).c_str()
+		);
 	}
-
-	database.RefreshGroupFromDB(c);
-	//g->SendUpdate(7, c);
 }