view mod_mam_adhoc/mod_mam_adhoc.lua @ 4976:75b6e5df65f9

various: Improve error reporting if missing file server module on 0.12 If there is some error loading net.http.files then it would be swallowed by the pcall and then it would proceed to trying mod_http_files, which might cause unexpected behavior on 0.12 Ref #1765
author Kim Alvefur <zash@zash.se>
date Mon, 18 Jul 2022 22:47:54 +0200
parents 27b41ee61601
children
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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"));