File

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−module:depends"adhoc";
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−local dataforms_new = require "util.dataforms".new;
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−local jid_split = require "util.jid".split;
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−local t_insert = table.insert;
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−local prefs = module:require"mod_mam/mamprefs";
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−local set_prefs, get_prefs = prefs.set, prefs.get;
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−
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−local mam_prefs_form = dataforms_new{
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−	title = "Archive preferences";
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−	--instructions = "";
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−	{
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−		name = "default",
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−		label = "Default storage policy",
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−		type = "list-single",
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−		value = {
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−			{ value = "always", label = "Always" },
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−			{ value = "never", label = "Never", default = true},
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−			{ value = "roster", label = "Roster" },
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−		},
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−	};
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−	{
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−		name = "always",
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−		label = "Always store messages to/from",
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−		type = "jid-multi"
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−	};
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−	{
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−		name = "never",
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−		label = "Never store messages to/from",
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−		type = "jid-multi"
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−	};
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−};
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−
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−local host = module.host;
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−
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−local default_attrs = {
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−	always = true, [true] = "always",
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−	never = false, [false] = "never",
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−	roster = "roster",
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−}
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−
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−local function mam_prefs_handler(self, data, state)
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−	local username = jid_split(data.from);
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−	if state then -- the second return value
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−		if data.action == "cancel" then
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−			return { status = "canceled" };
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−		end
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−
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−		local fields = mam_prefs_form:data(data.form);
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−
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−		local default, always, never = fields.default, fields.always, fields.never;
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−		local prefs = {};
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−		if default then
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−			prefs[false] = default_attrs[default];
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−		end
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−		if always then
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−			for i=1,#always do
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−				prefs[always[i]] = true;
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−			end
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−		end
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−		if never then
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−			for i=1,#never do
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−				prefs[never[i]] = false;
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−			end
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−		end
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−
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−		set_prefs(username, prefs);
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−
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−		return { status = "completed" }
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−	else -- No state, send the form.
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−		local prefs = get_prefs(username);
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−		local values = {
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−			default = {
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−				{ value = "always", label = "Always" };
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−				{ value = "never", label = "Never" };
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−				{ value = "roster", label = "Roster" };
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−			};
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−			always = {};
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−			never = {};
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−		};
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−
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−		for jid, p in pairs(prefs) do
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−			if jid then
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−				t_insert(values[p and "always" or "never"], jid);
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−
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−			elseif p == true then -- Yes, this is ugly.  FIXME later.
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−				values.default[1].default = true;
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−			elseif p == false then
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−				values.default[2].default = true;
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−			elseif p == "roster" then
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−				values.default[3].default = true;
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−			end
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−		end
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−		return { status = "executing", actions  = { "complete" }, form = { layout = mam_prefs_form, values = values } }, true;
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−	end
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−end
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−
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−module:provides("adhoc", module:require"adhoc".new("Archive settings", "urn:xmpp:mam#configure", mam_prefs_handler, "local_user"));