view mod_mam_adhoc/mod_mam_adhoc.lua @ 4282:281a864e7472

mod_pubsub_feeds: Don't skip publishing items after an existing one I encountered a feed which was backwards, such that older entries were considered first and then it would skip newer entries. This may however run into trouble if the feed contains more items than what's persisted in pubsub.
author Kim Alvefur <zash@zash.se>
date Mon, 30 Nov 2020 15:17:29 +0100
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"));