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<?php
namespace Mautic\CampaignBundle\EventCollector\Builder;
use Mautic\CampaignBundle\Entity\Event;
class ConnectionBuilder
{
private static array $eventTypes = [];
/**
* @var array
*/
private static $connectionRestrictions = ['anchor' => []];
/**
* Used by JS/JsPlumb to restrict how events can be associated to each other in the UI.
*
* @return array
*/
public static function buildRestrictionsArray(array $events)
{
// Reset restrictions
self::$connectionRestrictions = ['anchor' => []];
// Build the restrictions
self::$eventTypes = array_fill_keys(array_keys($events), []);
foreach ($events as $eventType => $typeEvents) {
foreach ($typeEvents as $key => $event) {
self::addTypeConnection($eventType, $key, $event);
}
}
return self::$connectionRestrictions;
}
/**
* @param string $eventType
* @param string $key
*/
private static function addTypeConnection($eventType, $key, array $event): void
{
if (!isset(self::$connectionRestrictions[$key])) {
self::$connectionRestrictions[$key] = [
'source' => self::$eventTypes,
'target' => self::$eventTypes,
];
}
if (!isset(self::$connectionRestrictions[$key])) {
self::$connectionRestrictions['anchor'][$key] = [];
}
if (isset($event['connectionRestrictions'])) {
foreach ($event['connectionRestrictions'] as $restrictionType => $restrictions) {
self::addRestriction($key, $restrictionType, $restrictions);
}
}
self::addDeprecatedAnchorRestrictions($eventType, $key, $event);
}
/**
* @param string $key
* @param string $restrictionType
*/
private static function addRestriction($key, $restrictionType, array $restrictions): void
{
switch ($restrictionType) {
case 'source':
case 'target':
foreach ($restrictions as $groupType => $groupRestrictions) {
self::$connectionRestrictions[$key][$restrictionType][$groupType] += $groupRestrictions;
}
break;
case 'anchor':
foreach ($restrictions as $anchor) {
[$group, $anchor] = explode('.', $anchor);
self::$connectionRestrictions[$restrictionType][$group][$key][] = $anchor;
}
break;
}
}
/**
* @deprecated 2.6.0 to be removed in 3.0; BC support
*
* @param string $eventType
* @param string $key
*/
private static function addDeprecatedAnchorRestrictions($eventType, $key, array $event): void
{
switch ($eventType) {
case Event::TYPE_DECISION:
if (isset($event['associatedActions'])) {
self::$connectionRestrictions[$key]['target']['action'] += $event['associatedActions'];
}
break;
case Event::TYPE_ACTION:
if (isset($event['associatedDecisions'])) {
self::$connectionRestrictions[$key]['source']['decision'] += $event['associatedDecisions'];
}
break;
}
if (isset($event['anchorRestrictions'])) {
foreach ($event['anchorRestrictions'] as $restriction) {
[$group, $anchor] = explode('.', $restriction);
self::$connectionRestrictions['anchor'][$key][$group][] = $anchor;
}
}
}
}
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