--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/save_mp.js.luan	Fri Jul 11 20:57:49 2025 -0600
@@ -0,0 +1,29 @@
+local Luan = require "luan:Luan.luan"
+local error = Luan.error
+local String = require "luan:String.luan"
+local trim = String.trim or error()
+local Io = require "luan:Io.luan"
+local Http = require "luan:http/Http.luan"
+local Shared = require "site:/lib/Shared.luan"
+local js_error = Shared.js_error or error()
+local Pic = require "site:/lib/Pic.luan"
+local User = require "site:/lib/User.luan"
+local Db = require "site:/lib/Db.luan"
+local run_in_transaction = Db.run_in_transaction or error()
+
+
+return function()
+	local user = User.current() or error()
+	local mp_id = Http.request.parameters.mp_id or error()
+	mp_id = trim(mp_id)
+	if mp_id == "" then
+		mp_id = nil
+	end
+	run_in_transaction( function()
+		user = user.reload()
+		user.mp_id = mp_id
+		user.save()
+	end )
+	Io.stdout = Http.response.text_writer()
+	js_error( "success", "Updated" )
+end