Fix: #2705 - Break EditGedcomRecordController into request handlers

1 files changed, 115 insertions, 0 deletions

diff --git a/app/Http/RequestHandlers/DeleteRecord.php b/app/Http/RequestHandlers/DeleteRecord.php
new file mode 100644
index 0000000000..82c4d75c93
--- /dev/null
+++ b/app/Http/RequestHandlers/DeleteRecord.php
@@ -0,0 +1,115 @@
+<?php
+
+/**
+ * webtrees: online genealogy
+ * Copyright (C) 2019 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 <http://www.gnu.org/licenses/>.
+ */
+
+declare(strict_types=1);
+
+namespace Fisharebest\Webtrees\Http\RequestHandlers;
+
+use Fisharebest\Webtrees\Auth;
+use Fisharebest\Webtrees\FlashMessages;
+use Fisharebest\Webtrees\Gedcom;
+use Fisharebest\Webtrees\GedcomRecord;
+use Fisharebest\Webtrees\I18N;
+use Fisharebest\Webtrees\Tree;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\RequestHandlerInterface;
+
+use function assert;
+use function preg_match;
+use function preg_match_all;
+use function preg_replace;
+use function response;
+
+/**
+ * Controller for edit forms and responses.
+ */
+class DeleteRecord implements RequestHandlerInterface
+{
+    /**
+     * Delete a record.
+     *
+     * @param ServerRequestInterface $request
+     *
+     * @return ResponseInterface
+     */
+    public function handle(ServerRequestInterface $request): ResponseInterface
+    {
+        $tree = $request->getAttribute('tree');
+        assert($tree instanceof Tree);
+
+        $xref   = $request->getAttribute('xref');
+        $record = GedcomRecord::getInstance($xref, $tree);
+
+        Auth::checkRecordAccess($record, true);
+
+        if ($record && Auth::isEditor($record->tree()) && $record->canShow() && $record->canEdit()) {
+            // Delete links to this record
+            foreach ($record->linkingRecords() as $linker) {
+                $old_gedcom = $linker->gedcom();
+                $new_gedcom = $this->removeLinks($old_gedcom, $record->xref());
+                if ($old_gedcom !== $new_gedcom) {
+                    // If we have removed a link from a family to an individual, and it has only one member
+                    if (preg_match('/^0 @' . Gedcom::REGEX_XREF . '@ FAM/', $new_gedcom) && preg_match_all('/\n1 (HUSB|WIFE|CHIL) @(' . Gedcom::REGEX_XREF . ')@/', $new_gedcom, $match) == 1) {
+                        // Delete the family
+                        $family = GedcomRecord::getInstance($xref, $tree);
+                        /* I18N: %s is the name of a family group, e.g. “Husband name + Wife name” */
+                        FlashMessages::addMessage(I18N::translate('The family “%s” has been deleted because it only has one member.', $family->fullName()));
+                        $family->deleteRecord();
+                        // Delete any remaining link to this family
+                        if ($match) {
+                            $relict     = GedcomRecord::getInstance($match[2][0], $tree);
+                            $new_gedcom = $relict->gedcom();
+                            $new_gedcom = $this->removeLinks($new_gedcom, $linker->xref());
+                            $relict->updateRecord($new_gedcom, false);
+                            /* I18N: %s are names of records, such as sources, repositories or individuals */
+                            FlashMessages::addMessage(I18N::translate('The link from “%1$s” to “%2$s” has been deleted.', $relict->fullName(), $family->fullName()));
+                        }
+                    } else {
+                        // Remove links from $linker to $record
+                        /* I18N: %s are names of records, such as sources, repositories or individuals */
+                        FlashMessages::addMessage(I18N::translate('The link from “%1$s” to “%2$s” has been deleted.', $linker->fullName(), $record->fullName()));
+                        $linker->updateRecord($new_gedcom, false);
+                    }
+                }
+            }
+            // Delete the record itself
+            $record->deleteRecord();
+        }
+
+        return response();
+    }
+
+    /**
+     * Remove all links from $gedrec to $xref, and any sub-tags.
+     *
+     * @param string $gedrec
+     * @param string $xref
+     *
+     * @return string
+     */
+    private function removeLinks($gedrec, $xref): string
+    {
+        $gedrec = preg_replace('/\n1 ' . Gedcom::REGEX_TAG . ' @' . $xref . '@(\n[2-9].*)*/', '', $gedrec);
+        $gedrec = preg_replace('/\n2 ' . Gedcom::REGEX_TAG . ' @' . $xref . '@(\n[3-9].*)*/', '', $gedrec);
+        $gedrec = preg_replace('/\n3 ' . Gedcom::REGEX_TAG . ' @' . $xref . '@(\n[4-9].*)*/', '', $gedrec);
+        $gedrec = preg_replace('/\n4 ' . Gedcom::REGEX_TAG . ' @' . $xref . '@(\n[5-9].*)*/', '', $gedrec);
+        $gedrec = preg_replace('/\n5 ' . Gedcom::REGEX_TAG . ' @' . $xref . '@(\n[6-9].*)*/', '', $gedrec);
+
+        return $gedrec;
+    }
+}