# HG changeset patch
# User Kim Alvefur <zash@zash.se>
# Date 1669505640 -3600
# Node ID 438fbebf74acb7b5023990eb240c77e7f0c4522e
# Parent  dec4b2e31d1c92fcd10b6c8d0d250d59521c5a15
mod_rest: Wrap webhook setup in a function for future reuse

The goal is to allow binding a session to a webhook via API to allow
e.g. bots to set up handling of incoming messages.

diff -r dec4b2e31d1c -r 438fbebf74ac mod_rest/mod_rest.lua
--- a/mod_rest/mod_rest.lua	Sun Nov 27 00:10:38 2022 +0100
+++ b/mod_rest/mod_rest.lua	Sun Nov 27 00:34:00 2022 +0100
@@ -461,9 +461,7 @@
 		};
 	});
 
--- Forward stanzas from XMPP to HTTP and return any reply
-local rest_url = module:get_option_string("rest_callback_url", nil);
-if rest_url then
+function new_webhook(rest_url, send_type)
 	local function get_url() return rest_url; end
 	if rest_url:find("%b{}") then
 		local httputil = require "util.http";
@@ -473,7 +471,6 @@
 			return render_url(rest_url, { kind = stanza.name, type = at.type, to = at.to, from = at.from });
 		end
 	end
-	local send_type = module:get_option_string("rest_callback_content_type", "application/xmpp+xml");
 	if send_type == "json" then
 		send_type = "application/json";
 	end
@@ -601,6 +598,16 @@
 		return true;
 	end
 
+	return handle_stanza;
+end
+
+-- Forward stanzas from XMPP to HTTP and return any reply
+local rest_url = module:get_option_string("rest_callback_url", nil);
+if rest_url then
+	local send_type = module:get_option_string("rest_callback_content_type", "application/xmpp+xml");
+
+	local handle_stanza = new_webhook(rest_url, send_type);
+
 	local send_kinds = module:get_option_set("rest_callback_stanzas", { "message", "presence", "iq" });
 
 	local event_presets = {