From cf6a55037873eae2717c9583edf6d64e538922d3 Mon Sep 17 00:00:00 2001
From: David Leal <halfpacho@gmail.com>
Date: Tue, 24 Oct 2023 12:13:44 -0600
Subject: [PATCH] Update the timer in the formspec in real-time (#55)

---
 commands.lua  |  7 ++++++-
 functions.lua | 26 ++++++++++++++++++++++++--
 init.lua      |  9 +++++----
 3 files changed, 35 insertions(+), 7 deletions(-)

diff --git a/commands.lua b/commands.lua
index 5e3949f..4852599 100644
--- a/commands.lua
+++ b/commands.lua
@@ -69,7 +69,12 @@ minetest.register_chatcommand("tpn", {
 minetest.register_chatcommand("tpf", {
 	description = S("Show all teleport requests, made by you or to you, that are still active"),
 	privs = {interact = true, tp = true},
-	func = tp.list_requests
+	func = function(player)
+		local playername = minetest.get_player_by_name(player)
+
+		tp.tpf_update_time[playername] = true
+		tp.list_requests(playername)
+	end
 })
 
 minetest.register_chatcommand("tpr_mute", {
diff --git a/functions.lua b/functions.lua
index 0bfc2c3..8f54149 100644
--- a/functions.lua
+++ b/functions.lua
@@ -200,7 +200,9 @@ function tp.deny_request(id, own)
 	end
 end
 
-function tp.list_requests(playername)
+function tp.list_requests(player)
+	local playername = player:get_player_name()
+
 	local sent_requests = tp.get_requests(playername, "sender")
 	local received_requests = tp.get_requests(playername, "receiver")
 	local area_requests = tp.get_requests(playername, "area")
@@ -277,7 +279,23 @@ function tp.list_requests(playername)
 		formspec = ("size[8,%f]label[1,0.3;%s:]"):format(math.min(y,10),S("Teleport Requests"))
 			..request_list_formspec
 	end
+
 	minetest.show_formspec(playername, "teleport_request_list", formspec)
+
+	local function update_time()
+		if formspec == "" or string.find(formspec, S("You have no requests.")) then
+			tp.tpf_update_time[player] = false
+			return
+		end
+
+		if tp.tpf_update_time[player] then
+			-- TODO: find a way to edit the text only and update
+			-- the formspec without re-calling the function.
+			tp.list_requests(player)
+		end
+	end
+
+	minetest.after(1, update_time)
 end
 
 minetest.register_on_player_receive_fields(function(player, formname, fields)
@@ -307,8 +325,12 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 			changes = true
 		end
 	end
+
 	if changes and not fields.quit then
-		tp.list_requests(playername)
+		tp.tpf_update_time[player] = true
+		tp.list_requests(player)
+	elseif fields.quit then
+		tp.tpf_update_time[player] = false
 	end
 end)
 
diff --git a/init.lua b/init.lua
index c31aa95..b42a0ac 100644
--- a/init.lua
+++ b/init.lua
@@ -31,10 +31,11 @@ local S = minetest.get_translator(minetest.get_current_modname())
 
 tp = {
 	S = S,
-	tpr_list = {},
-	tphr_list = {},
-	tpc_list = {},
-	tpn_list = {}
+	tpr_list = { },
+	tphr_list = { },
+	tpc_list = { },
+	tpn_list = { },
+	tpf_update_time = { }
 }
 
 -- Clear requests when the player leaves