peertube-plugin-livechat/prosody-modules/mod_muc_poll/form.lib.lua

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-- SPDX-FileCopyrightText: 2024 John Livingston <https://www.john-livingston.fr/>
-- SPDX-License-Identifier: AGPL-3.0-only
local st = require "util.stanza";
local dataform = require "util.dataforms";
local get_form_type = require "util.dataforms".get_type;
local xmlns_poll = module:require("constants").xmlns_poll;
local end_current_poll = module:require("poll").end_current_poll;
local create_poll = module:require("poll").create_poll;
local function get_form_layout(room, stanza)
local form = dataform.new({
title = "New poll",
instructions = "Complete and submit this form to create a new poll. This will end and replace any existing poll.",
{
name = "FORM_TYPE";
type = "hidden";
value = xmlns_poll;
}
});
table.insert(form, {
name = "muc#roompoll_question";
type = "text-single";
label = "Question";
desc = "The poll question.";
value = "";
required = true;
});
table.insert(form, {
name = "muc#roompoll_duration";
type = "text-single";
datatype = "xs:integer";
range_min = 1;
label = "Poll duration (in minutes)";
desc = "The number of minutes to run the poll.";
value = "";
required = true;
});
table.insert(form, {
name = "muc#roompoll_anonymous";
type = "boolean";
label = "Anonymous results";
desc = "By enabling this, user's votes won't be publicly shown in the room.";
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value = true;
});
table.insert(form, {
name = "muc#roompoll_choice1";
type = "text-single";
label = "Choice 1";
desc = "";
value = "";
required = true;
});
table.insert(form, {
name = "muc#roompoll_choice2";
type = "text-single";
label = "Choice 2";
desc = "";
value = "";
required = true;
});
table.insert(form, {
name = "muc#roompoll_choice3";
type = "text-single";
label = "Choice 3";
desc = "";
value = "";
});
table.insert(form, {
name = "muc#roompoll_choice4";
type = "text-single";
label = "Choice 4";
desc = "";
value = "";
});
table.insert(form, {
name = "muc#roompoll_choice5";
type = "text-single";
label = "Choice 5";
desc = "";
value = "";
});
return form;
end
local function send_form(room, origin, stanza)
module:log("debug", "Sending the poll form");
origin.send(st.reply(stanza):query(xmlns_poll)
:add_child(get_form_layout(room, stanza.attr.from):form())
) ;
end
local function dataform_error_message(err)
local out = {};
for field, errmsg in pairs(err) do
table.insert(out, ("%s: %s"):format(field, errmsg))
end
return table.concat(out, "; ");
end
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local function process_form(room, origin, stanza, occupant)
if not stanza.tags[1] then
origin.send(st.error_reply(stanza, "modify", "bad-request"));
return true;
end
local form = stanza.tags[1]:get_child("x", "jabber:x:data");
if not form then
origin.send(st.error_reply(stanza, "modify", "bad-request"));
return true;
end
local form_type, err = get_form_type(form);
if not form_type then
origin.send(st.error_reply(stanza, "modify", "bad-request", "Invalid dataform: "..err));
return true;
elseif form_type ~= xmlns_poll then
origin.send(st.error_reply(stanza, "modify", "bad-request", "Unexpected FORM_TYPE, expected '"..xmlns_poll.."'"));
return true;
end
if form.attr.type == "cancel" then
origin.send(st.reply(stanza));
return true;
elseif form.attr.type ~= "submit" then
origin.send(st.error_reply(stanza, "cancel", "bad-request", "Not a submitted form"));
return true;
end
-- form submitted
local fields, errors, present = get_form_layout(room, stanza.attr.from):data(form);
if errors then
origin.send(st.error_reply(stanza, "modify", "bad-request", dataform_error_message(errors)));
return true;
end
-- stop any poll that is already here
end_current_poll(room);
-- create the new poll
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create_poll(room, fields, occupant);
origin.send(st.reply(stanza));
return true;
end
return {
send_form = send_form;
process_form = process_form;
};