File

mod_mam_adhoc/mod_mam_adhoc.lua @ 4049:78f1de5301fc

mod_adhoc_dataforms_demo: Fix duplicate field prevention It's supposed to only include each type of form field once per form at most but it didn't note which fields it had added already. No idea what the probability was anyways, probably pretty low.
author Kim Alvefur <zash@zash.se>
date Tue, 23 Jun 2020 19:40:55 +0200
parent 1147:27b41ee61601
line wrap: on
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module:depends"adhoc";
local dataforms_new = require "util.dataforms".new;
local jid_split = require "util.jid".split;
local t_insert = table.insert;
local prefs = module:require"mod_mam/mamprefs";
local set_prefs, get_prefs = prefs.set, prefs.get;

local mam_prefs_form = dataforms_new{
	title = "Archive preferences";
	--instructions = "";
	{
		name = "default",
		label = "Default storage policy",
		type = "list-single",
		value = {
			{ value = "always", label = "Always" },
			{ value = "never", label = "Never", default = true},
			{ value = "roster", label = "Roster" },
		},
	};
	{
		name = "always",
		label = "Always store messages to/from",
		type = "jid-multi"
	};
	{
		name = "never",
		label = "Never store messages to/from",
		type = "jid-multi"
	};
};

local host = module.host;

local default_attrs = {
	always = true, [true] = "always",
	never = false, [false] = "never",
	roster = "roster",
}

local function mam_prefs_handler(self, data, state)
	local username = jid_split(data.from);
	if state then -- the second return value
		if data.action == "cancel" then
			return { status = "canceled" };
		end

		local fields = mam_prefs_form:data(data.form);

		local default, always, never = fields.default, fields.always, fields.never;
		local prefs = {};
		if default then
			prefs[false] = default_attrs[default];
		end
		if always then
			for i=1,#always do
				prefs[always[i]] = true;
			end
		end
		if never then
			for i=1,#never do
				prefs[never[i]] = false;
			end
		end

		set_prefs(username, prefs);

		return { status = "completed" }
	else -- No state, send the form.
		local prefs = get_prefs(username);
		local values = {
			default = {
				{ value = "always", label = "Always" };
				{ value = "never", label = "Never" };
				{ value = "roster", label = "Roster" };
			};
			always = {};
			never = {};
		};

		for jid, p in pairs(prefs) do
			if jid then
				t_insert(values[p and "always" or "never"], jid);

			elseif p == true then -- Yes, this is ugly.  FIXME later.
				values.default[1].default = true;
			elseif p == false then
				values.default[2].default = true;
			elseif p == "roster" then
				values.default[3].default = true;
			end
		end
		return { status = "executing", actions  = { "complete" }, form = { layout = mam_prefs_form, values = values } }, true;
	end
end

module:provides("adhoc", module:require"adhoc".new("Archive settings", "urn:xmpp:mam#configure", mam_prefs_handler, "local_user"));