Initial CAT application and deployment update

2026-09-19 23:27:40 +00:00
commit 6684062400
22 changed files with 3690 additions and 0 deletions
@@ -0,0 +1,138 @@
+<?php
+
+declare(strict_types=1);
+
+function loadRoomPlanningSettings(PDO $pdo): array
+{
+    $defaults = [
+        'single' => 0,
+        'double' => 0,
+        'multi' => 0,
+    ];
+    $statement = $pdo->query(
+        "SELECT setting_key, price FROM pricing_settings
+         WHERE setting_key IN ('room_count_single', 'room_count_double', 'room_count_multi')"
+    );
+    foreach ($statement->fetchAll(PDO::FETCH_KEY_PAIR) as $key => $value) {
+        $type = str_replace('room_count_', '', (string) $key);
+        if (array_key_exists($type, $defaults)) {
+            $defaults[$type] = max(0, (int) $value);
+        }
+    }
+
+    return $defaults;
+}
+
+function normalizedRoommateName(string $name): string
+{
+    return mb_strtolower(preg_replace('/\\s+/u', ' ', trim($name)) ?? '', 'UTF-8');
+}
+
+function buildRoomPlan(array $participants, array $roomCounts): array
+{
+    $rooms = [];
+    $warnings = [];
+    $unassigned = [];
+    $available = [
+        'single' => max(0, (int) ($roomCounts['single'] ?? 0)),
+        'double' => max(0, (int) ($roomCounts['double'] ?? 0)),
+        'multi' => max(0, (int) ($roomCounts['multi'] ?? 0)),
+    ];
+    $roomNumber = ['single' => 0, 'double' => 0, 'multi' => 0];
+    $assigned = [];
+    $blocked = [];
+    $byName = [];
+
+    foreach ($participants as &$participant) {
+        $participant['roommate_key'] = normalizedRoommateName((string) ($participant['roommate_requests'] ?? ''));
+        $participant['name_key'] = normalizedRoommateName((string) $participant['name']);
+        $byName[$participant['name_key']][] = $participant;
+    }
+    unset($participant);
+
+    $addRoom = static function (string $type, array $members) use (&$rooms, &$roomNumber, &$available, &$assigned): bool {
+        if (($available[$type] ?? 0) < 1) {
+            return false;
+        }
+        $roomNumber[$type]++;
+        $capacity = $type === 'single' ? 1 : ($type === 'double' ? 2 : 4);
+        $rooms[] = [
+            'type' => $type,
+            'number' => $roomNumber[$type],
+            'capacity' => $capacity,
+            'members' => $members,
+        ];
+        $available[$type]--;
+        foreach ($members as $member) {
+            $assigned[(string) $member['id']] = true;
+        }
+        return true;
+    };
+
+    // Mutual wishes are handled first, but only when both participants requested the same room type.
+    foreach ($participants as $participant) {
+        $id = (string) $participant['id'];
+        if (isset($assigned[$id]) || $participant['roommate_key'] === '') {
+            continue;
+        }
+        foreach ($byName[$participant['roommate_key']] ?? [] as $requested) {
+            $requestedId = (string) $requested['id'];
+            if ($requestedId === $id || isset($assigned[$requestedId])) {
+                continue;
+            }
+            $mutual = $requested['roommate_key'] === $participant['name_key'];
+            $sameType = $requested['room_type'] === $participant['room_type'];
+            if (!$mutual || !$sameType) {
+                continue;
+            }
+            if (!$addRoom((string) $participant['room_type'], [$participant, $requested])) {
+                $warnings[] = sprintf(
+                    'Der gegenseitige Zimmerwunsch von %s und %s konnte nicht erfüllt werden: kein %s-Zimmer verfügbar.',
+                    $participant['name'],
+                    $requested['name'],
+                    $participant['room_type'] === 'double' ? 'Doppel' : 'Mehrbett'
+                );
+                $unassigned[$id] = $participant;
+                $unassigned[$requestedId] = $requested;
+                $blocked[$id] = true;
+                $blocked[$requestedId] = true;
+            }
+            break;
+        }
+    }
+
+    foreach (['single', 'double', 'multi'] as $type) {
+        $waiting = [];
+        foreach ($participants as $participant) {
+            $id = (string) $participant['id'];
+            if (!isset($assigned[$id]) && !isset($blocked[$id]) && $participant['room_type'] === $type) {
+                $waiting[] = $participant;
+            }
+        }
+        $capacity = $type === 'single' ? 1 : ($type === 'double' ? 2 : 4);
+        while ($waiting !== []) {
+            $group = array_splice($waiting, 0, $capacity);
+            if (!$addRoom($type, $group)) {
+                foreach ($group as $participant) {
+                    $unassigned[(string) $participant['id']] = $participant;
+                }
+                $warnings[] = sprintf(
+                    '%d Teilnehmer mit Wunsch %s konnten keinem verfügbaren Zimmer zugeordnet werden.',
+                    count($group),
+                    $type === 'single' ? 'Einzelzimmer' : ($type === 'double' ? 'Doppelzimmer' : 'Mehrbettzimmer')
+                );
+            }
+        }
+    }
+
+    foreach ($unassigned as $participant) {
+        $warnings[] = sprintf('Nicht eingeplant: %s (%s).', $participant['name'], $participant['email']);
+    }
+
+    return [
+        'rooms' => $rooms,
+        'warnings' => array_values(array_unique($warnings)),
+        'unassigned' => array_values($unassigned),
+        'available' => $available,
+    ];
+}