Rework sending global notices.

Admins can now queue multiple messages and send them when they are
ready. This is fully compatible with the previous global behaviour.

Admins can now also send messages to individual servers. This is
useful for informing users of maintenance due to downtime.

1 files changed, 112 insertions, 0 deletions

diff --git a/modules/global/gl_server.cpp b/modules/global/gl_server.cpp
new file mode 100644
index 000000000..d1f1cffe2
--- /dev/null
+++ b/modules/global/gl_server.cpp
@@ -0,0 +1,112 @@
+/* Global core functions
+ *
+ * (C) 2003-2024 Anope Team
+ * Contact us at team@anope.org
+ *
+ * Please read COPYING and README for further details.
+ *
+ * Based on the original code of Epona by Lara.
+ * Based on the original code of Services by Andy Church.
+ */
+
+#include "module.h"
+
+class CommandGLServer final
+	: public Command
+{
+private:
+	ServiceReference<GlobalService> global;
+
+	BotInfo *GetSender(CommandSource &source)
+	{
+		Reference<BotInfo> sender;
+		if (global)
+			sender = global->GetDefaultSender();
+		if (!sender)
+			sender = source.service;
+		return sender;
+	}
+
+public:
+	CommandGLServer(Module *creator)
+		: Command(creator, "global/server", 1)
+		, global("GlobalService", "Global")
+	{
+		this->SetDesc(_("Send a message to all users on a server"));
+		this->SetSyntax(_("\037server\037 [\037message\037]"));
+	}
+
+	void Execute(CommandSource &source, const std::vector<Anope::string> &params) override
+	{
+		if (!global)
+		{
+			source.Reply(SERVICE_UNAVAILABLE, source.service->nick.c_str());
+			return;
+		}
+
+		auto *server = Server::Find(params[0]);
+		if (!server || server == Me || server->IsJuped())
+		{
+			source.Reply(_("Server \002%s\002 is not linked to the network."), params[0].c_str());
+			return;
+		}
+
+		auto queuesize = global->CountQueue(source.nc);
+		if (!queuesize && params.size() < 2)
+		{
+			source.Reply(GLOBAL_NO_MESSAGE);
+			return;
+		}
+
+		if (queuesize && params.size() > 1)
+		{
+			source.Reply(GLOBAL_QUEUE_CONFLICT);
+			return;
+		}
+
+		if (params.empty())
+		{
+			// We are sending the message queue.
+			global->SendQueue(source, GetSender(source), server);
+		}
+		else
+		{
+			// We are sending a single message.
+			global->SendSingle(params[1], &source, GetSender(source), server);
+			queuesize = 1;
+		}
+
+		Log(LOG_ADMIN, source, this) << "to send " << queuesize << " messages to users on " << server->GetName();
+	}
+
+	bool OnHelp(CommandSource &source, const Anope::string &subcommand) override
+	{
+		this->SendSyntax(source);
+		source.Reply(" ");
+		source.Reply(_(
+			"Allows sending messages to all users on a server. The message will be sent\n"
+			"from \002%s\002.\n"
+			"\n"
+			"You can either send a message by specifying it as a parameter or provide no\n"
+			"parameters to send a previously queued message.\n"
+		), GetSender(source)->nick.c_str());
+		return true;
+	}
+};
+
+class GLServer final
+	: public Module
+{
+private:
+	CommandGLServer commandglserver;
+
+public:
+	GLServer(const Anope::string &modname, const Anope::string &creator)
+		: Module(modname, creator, VENDOR)
+		, commandglserver(this)
+	{
+
+	}
+};
+
+MODULE_INIT(GLServer)