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mirror of https://git.cant.at/Madeorsk/PollVerlaine synced 2024-12-23 02:57:53 +01:00
PollVerlaine/models/Poll.php
Tagadda a6e986fb16 WIP: unique_ip ! do not merge
+ Unique_ip check
+ Checkbox

TODO: Add some style
TODO: Fix a bug when you vote
2018-08-14 19:20:01 +02:00

132 lines
2.9 KiB
PHP

<?php
define("SAVE_PATH", __DIR__ . "/../db");
class Poll
{
/**
* Create a new poll and save it.
*/
public static function create_poll($request_data)
{
try
{
$poll = new Poll();
$poll->title = $request_data->title;
$poll->creation_date = (new DateTime())->getTimestamp();
foreach ($request_data->options as $option)
{
$poll->options[] = [
"label" => $option,
"votes" => 0,
];
}
$poll->settings = $request_data->settings;
$poll->gen_new_id();
$poll->delete_token = bin2hex(openssl_random_pseudo_bytes(16));
$poll->save();
return $poll;
}
catch (Exception $e)
{ return false; }
}
/**
* Try to load an existing poll.
* @param string id - Poll ID.
* @return boolean|Poll - Requested poll if found, false otherwise.
*/
public static function load_poll($id)
{
$db = dba_open(SAVE_PATH . "/polls.db", "rd");
if (dba_exists($id, $db))
{
$poll = new Poll();
$saved_poll_data = json_decode(dba_fetch($id, $db));
$poll->id = $id;
$poll->title = $saved_poll_data->title;
$poll->creation_date = $saved_poll_data->creation_date;
$poll->options = $saved_poll_data->options;
$poll->delete_token = $saved_poll_data->delete_token;
$poll->settings = $saved_poll_data->settings;
$poll->ips = $saved_poll_data->ips;
dba_close($db);
return $poll;
}
else
{
dba_close($db);
return false;
}
}
public $id = null;
public $title;
public $creation_date;
public $options = [];
public $settings = [];
public $ips = [];
public $delete_token;
private function gen_new_id()
{
$db = dba_open(SAVE_PATH . "/polls.db", "rd");
function gen_id()
{ return bin2hex(openssl_random_pseudo_bytes(16)); }
do
{ $new_id = gen_id(); }
while(dba_exists($new_id, $db));
dba_close($db);
$this->id = $new_id;
}
/**
* Vote for a list of options.
* @param array $options - Array of integers containing voted options.
* @return bool
*/
public function vote(array $options)
{
if($this->settings['unique_ip'] === true)
{
if(isset($this->ips[Flight::request()->query["ip"]]))
return false;
else
$this->ips["test"] = true;
}
// For each option in the list, add 1 to the vote number in the poll data.
foreach ($options as $option)
if (isset($this->options[intval($option)])) // Check invalid options id.
$this->options[intval($option)]->votes++;
return true;
}
public function save()
{
$db = dba_open(SAVE_PATH . "/polls.db", "wd");
$func = (dba_exists($this->id, $db) ? "dba_replace" : "dba_insert");
$func($this->id, json_encode([
"title" => $this->title,
"creation_date" => $this->creation_date,
"options" => $this->options,
"delete_token" => $this->delete_token,
"ips" => $this->ips,
"settings" => $this->settings
]), $db);
dba_close($db);
}
public function delete()
{
$db = dba_open(SAVE_PATH . "/polls.db", "wd");
dba_delete($this->id, $db);
dba_close($db);
}
}