modules/client/rooms/receipt: Add feature to not send read receipts to certain users.

modules/client/rooms/receipt.cc

@@ -80,6 +80,27 @@ commit__m_receipt_m_read(const m::room::id &room_id,
 		user_id
 	};
 
+	bool ignored{false};
+	m::get(std::nothrow, event_id, "sender", [&ignored, &user_room]
+	(const string_view &sender)
+	{
+		ignored = user_room.has("ircd.read.ignore", sender);
+	});
+
+	if(ignored)
+	{
+		log::debug
+		{
+			"no receipt for %s by %s in %s @ %zd (ircd.read.ignore)",
+			string_view{event_id},
+			string_view{user_id},
+			string_view{room_id},
+			ms
+		};
+
+		return {};
+	}
+
 	const auto evid
 	{
 		send(user_room, user_id, "ircd.read", room_id,

modules/console.cc

@@ -4647,6 +4647,51 @@ console_cmd__user__read(opt &out, const string_view &line)
 	return true;
 }
 
+bool
+console_cmd__user__read__ignore(opt &out, const string_view &line)
+{
+	const params param{line, " ",
+	{
+		"my_user_id", "target_user_id"
+	}};
+
+	const m::user my_user
+	{
+		param.at(0)
+	};
+
+	const m::user::id target_user
+	{
+		param.at(1)
+	};
+
+	const m::user::room user_room
+	{
+		my_user
+	};
+
+	if(user_room.has("ircd.read.ignore", target_user))
+	{
+		out << "User " << my_user.user_id << " is already not sending"
+		    << " receipts for messages from user " << target_user
+		    << std::endl;
+
+		return true;
+	}
+
+	const auto eid
+	{
+		send(user_room, m::me.user_id, "ircd.read.ignore", target_user, json::object{})
+	};
+
+	out << "User " << my_user.user_id << " will not send receipts for"
+	    << " messages from user " << target_user
+	    << " (" << eid << ")"
+	    << std::endl;
+
+	return true;
+}
+
 bool
 console_cmd__user__filter(opt &out, const string_view &line)
 {