Your IP : 216.73.216.97
<?php
/**
* SegmentPlugin for phplist.
*
* This file is a part of SegmentPlugin.
*
* SegmentPlugin is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* CriteriaPlugin is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* @category phplist
*
* @author Duncan Cameron
* @copyright 2014-2017 Duncan Cameron
* @license http://www.gnu.org/licenses/gpl.html GNU General Public License, Version 3
*/
/**
* @category phplist
*/
class SegmentPlugin_SavedSegments
{
private $segments = array();
private $summary = array();
/**
* Synchronise the summary and saved segments so that they contain the same entries.
*/
private function synchronise()
{
// remove from summary any entries that do not exist in saved segments
$names = array_column($this->segments, 'name', 'name');
$this->summary = array_values(
array_filter(
$this->summary,
function ($value) use ($names) {
return isset($names[$value]);
}
)
);
// remove from saved segments any entries that do not exist in summary
$newSegments = array();
foreach ($this->segments as $k => $v) {
$pos = array_search($v['name'], $this->summary, true);
if ($pos !== false) {
$newSegments[$pos] = $v;
}
}
$this->segments = $newSegments;
SaveConfig('segment_saved', serialize($this->segments));
SaveConfig('segment_saved_summary', $this->stringify());
}
/**
* Convert the summary array to text for displaying on the Settings page.
*
* @return string the summary array converted to a string
*/
private function stringify()
{
return implode("\n", $this->summary);
}
/**
* Convert the summary text to an array by splitting into an array of lines.
*
* @param string $summary
*
* @return string the summary array converted to a string
*/
private function unstringify($summary)
{
return preg_split("/[\r\n|\r|\n]+/", $summary);
}
/**
* Constructor.
*/
public function __construct()
{
$summary = getConfig('segment_saved_summary');
$saved = getConfig('segment_saved');
if ($summary) {
$this->summary = $this->unstringify($summary);
}
if ($saved) {
$this->segments = unserialize($saved);
$this->synchronise();
}
}
/**
* Add a segment to the summary and saved segments
* If the segment name already exists then the current segment is replaced.
*
* @param string $name the segment name
* @param array $conditions array of conditions
*/
public function addSegment($name, array $conditions)
{
$position = array_search($name, $this->summary, true);
if ($position === false) {
$position = count($this->summary);
}
$this->segments[$position] = array(
'name' => $name,
'conditions' => $conditions,
);
$this->summary[$position] = $name;
SaveConfig('segment_saved', serialize($this->segments));
SaveConfig('segment_saved_summary', $this->stringify());
}
/**
* Return a saved segment.
*
* @param int $id the segment id
*
* @return array the segment's conditions
*/
public function segmentById($id)
{
if (!isset($this->segments[$id])) {
throw new Exception("Invalid segment id $id");
}
return $this->segments[$id]['conditions'];
}
/**
* Provides the data to populate a select list.
*
* @return array data for select list options - value => display
*/
public function selectListData()
{
return $this->summary;
}
}