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<?php
/**
* webtrees: online genealogy
* Copyright (C) 2025 webtrees development team
* This program 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.
* This program 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.
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
declare(strict_types=1);
namespace Fisharebest\Webtrees\Http\RequestHandlers;
use Fisharebest\Webtrees\Auth;
use Fisharebest\Webtrees\Date;
use Fisharebest\Webtrees\Fact;
use Fisharebest\Webtrees\Family;
use Fisharebest\Webtrees\Individual;
use Fisharebest\Webtrees\Registry;
use Fisharebest\Webtrees\Validator;
use Psr\Http\Message\ResponseInterface;
use Psr\Http\Message\ServerRequestInterface;
use Psr\Http\Server\RequestHandlerInterface;
use function in_array;
use function redirect;
final class ChangeFamilyMembersAction implements RequestHandlerInterface
{
public function handle(ServerRequestInterface $request): ResponseInterface
{
$tree = Validator::attributes($request)->tree();
$xref = Validator::parsedBody($request)->isXref()->string('xref');
$family = Registry::familyFactory()->make($xref, $tree);
$family = Auth::checkFamilyAccess($family, true);
$HUSB = Validator::parsedBody($request)->isXref()->string('HUSB', '');
$WIFE = Validator::parsedBody($request)->isXref()->string('WIFE', '');
$CHIL = Validator::parsedBody($request)->array('CHIL');
// Current family members
$old_father = $family->husband();
$old_mother = $family->wife();
$old_children = $family->children();
// New family members
$new_father = Registry::individualFactory()->make($HUSB, $tree);
$new_mother = Registry::individualFactory()->make($WIFE, $tree);
$new_children = [];
foreach ($CHIL as $child) {
$new_children[] = Registry::individualFactory()->make($child, $tree);
}
if ($old_father !== $new_father) {
if ($old_father instanceof Individual) {
// Remove old FAMS link
foreach ($old_father->facts(['FAMS']) as $fact) {
if ($fact->target() === $family) {
$old_father->deleteFact($fact->id(), true);
}
}
// Remove old HUSB link
foreach ($family->facts(['HUSB', 'WIFE']) as $fact) {
if ($fact->target() === $old_father) {
$family->deleteFact($fact->id(), true);
}
}
}
if ($new_father instanceof Individual) {
// Add new FAMS link
$before = $this->famsFactOfLaterMarriage($new_father, $family);
$new_father->createFact('1 FAMS @' . $family->xref() . '@', true, $before);
// Add new HUSB link
$family->createFact('1 HUSB @' . $new_father->xref() . '@', true);
}
}
if ($old_mother !== $new_mother) {
if ($old_mother instanceof Individual) {
// Remove old FAMS link
foreach ($old_mother->facts(['FAMS']) as $fact) {
if ($fact->target() === $family) {
$old_mother->deleteFact($fact->id(), true);
}
}
// Remove old WIFE link
foreach ($family->facts(['HUSB', 'WIFE']) as $fact) {
if ($fact->target() === $old_mother) {
$family->deleteFact($fact->id(), true);
}
}
}
if ($new_mother instanceof Individual) {
// Add new FAMS link
$before = $this->famsFactOfLaterMarriage($new_mother, $family);
$new_mother->createFact('1 FAMS @' . $family->xref() . '@', true, $before);
// Add new WIFE link
$family->createFact('1 WIFE @' . $new_mother->xref() . '@', true);
}
}
foreach ($old_children as $old_child) {
if (!in_array($old_child, $new_children, true)) {
// Remove old FAMC link
foreach ($old_child->facts(['FAMC']) as $fact) {
if ($fact->target() === $family) {
$old_child->deleteFact($fact->id(), true);
}
}
// Remove old CHIL link
foreach ($family->facts(['CHIL']) as $fact) {
if ($fact->target() === $old_child) {
$family->deleteFact($fact->id(), true);
}
}
}
}
foreach ($new_children as $new_child) {
if ($new_child instanceof Individual && !$old_children->contains($new_child)) {
// Add new FAMC link
$new_child->createFact('1 FAMC @' . $family->xref() . '@', true);
// Add new CHIL link
$before = $this->childFactOfYoungerSibling($family, $new_child);
$family->createFact('1 CHIL @' . $new_child->xref() . '@', true, $before);
}
}
return redirect($family->url());
}
private function famsFactOfLaterMarriage(Individual $partner, Family $family): Fact | null
{
$filter = function (Fact $fact) use ($family): bool {
return $fact->target() instanceof Family &&
Date::compare($family->getMarriageDate(), $fact->target()->getMarriageDate()) < 0;
};
return $partner
->facts(['FAMS'], false, Auth::PRIV_HIDE, true)
->first($filter);
}
private function childFactOfYoungerSibling(Family $family, Individual $child): Fact | null
{
$filter = function (Fact $fact) use ($child): bool {
return $fact->target() instanceof Individual &&
Date::compare($child->getBirthDate(), $fact->target()->getBirthDate()) < 0;
};
return $family
->facts(['CHIL'], false, Auth::PRIV_HIDE, true)
->first($filter);
}
}
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