Extract Ladill Events as a standalone events suite at events.ladill.com.

Full control center for ticketed events, contributions, attendees, badges, and programmes — not a QR utility clone. Includes SSO shell, import command, and platform cutover runbook. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-06-07 09:39:53 +00:00
commit d8dbc83e2d
246 changed files with 34279 additions and 0 deletions
@@ -0,0 +1,70 @@
+<?php
+
+namespace App\Support\Qr;
+
+use App\Models\QrCode;
+use Illuminate\Support\Collection;
+
+/**
+ * Generates ZPL II label code for Zebra-style badge/label printers.
+ * One ^XA…^XZ label block per attendee, sized to the chosen badge size at 203 dpi.
+ */
+class EventBadgeZpl
+{
+    /** @param  Collection<int, \App\Models\QrEventRegistration>  $registrations */
+    public static function forRegistrations(QrCode $qrCode, Collection $registrations): string
+    {
+        $content = $qrCode->content();
+        $eventName = self::sanitize($content['name'] ?? $qrCode->label);
+        $size = $content['badge_size'] ?? '4x3';
+
+        // Label dimensions in dots @ 203 dpi.
+        [$widthDots, $heightDots] = match ($size) {
+            '4x6'  => [812, 1218],
+            'cr80' => [685, 431],
+            default => [812, 609], // 4x3
+        };
+
+        $labels = [];
+        foreach ($registrations as $reg) {
+            $name = self::sanitize($reg->attendee_name);
+            $tier = self::sanitize($reg->tier_name);
+            $extra = collect($reg->badge_fields ?? [])
+                ->map(fn ($v, $k) => self::sanitize($k . ': ' . $v))
+                ->implode('  |  ');
+
+            $zpl = "^XA\n";
+            $zpl .= "^PW{$widthDots}\n";
+            $zpl .= "^LL{$heightDots}\n";
+            $zpl .= "^CI28\n"; // UTF-8
+            // Event name (top)
+            $zpl .= "^FO40,40^A0N,40,40^FB" . ($widthDots - 80) . ",1,0,C^FD{$eventName}^FS\n";
+            // Attendee name (large, centered)
+            $zpl .= "^FO40,150^A0N,80,80^FB" . ($widthDots - 80) . ",2,0,C^FD{$name}^FS\n";
+            // Tier
+            $zpl .= "^FO40,320^A0N,40,40^FB" . ($widthDots - 80) . ",1,0,C^FD{$tier}^FS\n";
+            // Extra fields
+            if ($extra !== '') {
+                $zpl .= "^FO40,375^A0N,28,28^FB" . ($widthDots - 80) . ",2,0,C^FD{$extra}^FS\n";
+            }
+            // QR of the badge code (bottom)
+            $qrX = (int) (($widthDots / 2) - 70);
+            $zpl .= "^FO{$qrX}," . ($heightDots - 200) . "^BQN,2,5^FDLA,{$reg->badge_code}^FS\n";
+            // Badge code text
+            $zpl .= "^FO40," . ($heightDots - 60) . "^A0N,34,34^FB" . ($widthDots - 80) . ",1,0,C^FD{$reg->badge_code}^FS\n";
+            $zpl .= "^XZ\n";
+
+            $labels[] = $zpl;
+        }
+
+        return implode("\n", $labels);
+    }
+
+    private static function sanitize(string $value): string
+    {
+        // Escape ZPL control chars (^ and ~) and collapse whitespace.
+        $value = str_replace(['^', '~'], [' ', ' '], $value);
+
+        return trim(preg_replace('/\s+/', ' ', $value) ?? '');
+    }
+}
@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Support\Qr;
+
+class QrCornerStyleCatalog
+{
+    /** @return array<string, array{label: string}> */
+    public static function outerStyles(): array
+    {
+        return [
+            'square' => ['label' => 'Square eye'],
+            'rounded' => ['label' => 'Rounded'],
+            'circle' => ['label' => 'Circular'],
+        ];
+    }
+
+    /** @return array<string, array{label: string}> */
+    public static function innerStyles(): array
+    {
+        return [
+            'square'  => ['label' => 'Square'],
+            'rounded' => ['label' => 'Rounded'],
+            'dot'     => ['label' => 'Dot'],
+        ];
+    }
+
+    public static function isValidOuter(string $style): bool
+    {
+        return isset(self::outerStyles()[$style]);
+    }
+
+    public static function isValidInner(string $style): bool
+    {
+        return isset(self::innerStyles()[$style]);
+    }
+}
@@ -0,0 +1,20 @@
+<?php
+
+namespace App\Support\Qr;
+
+class QrCoverImageSpec
+{
+    /** Wide hero banners (business, church, event, itinerary, menu, shop). */
+    public const BANNER = '1920×1080 px (16:9 landscape)';
+
+    /** Book product cover on the landing page. */
+    public const BOOK = '800×1067 px (3:4 portrait)';
+
+    public static function label(string $variant = 'banner'): string
+    {
+        return match ($variant) {
+            'book' => self::BOOK,
+            default => self::BANNER,
+        };
+    }
+}
@@ -0,0 +1,55 @@
+<?php
+
+namespace App\Support\Qr;
+
+use Carbon\Carbon;
+
+class QrDateFormatter
+{
+    public static function forInput(?string $value): string
+    {
+        if ($value === null || trim($value) === '') {
+            return '';
+        }
+
+        try {
+            return Carbon::parse($value)->format('Y-m-d');
+        } catch (\Throwable) {
+            return '';
+        }
+    }
+
+    public static function forDisplay(?string $value): string
+    {
+        if ($value === null || trim($value) === '') {
+            return '';
+        }
+
+        $value = trim($value);
+
+        if (preg_match('/^\d{4}-\d{2}-\d{2}$/', $value)) {
+            try {
+                return Carbon::createFromFormat('Y-m-d', $value)->format('D, j M Y');
+            } catch (\Throwable) {
+                return $value;
+            }
+        }
+
+        return $value;
+    }
+
+    public static function normalize(?string $value, int $maxLength = 60): string
+    {
+        if ($value === null || trim($value) === '') {
+            return '';
+        }
+
+        $value = trim($value);
+
+        try {
+            return Carbon::parse($value)->format('Y-m-d');
+        } catch (\Throwable) {
+            return mb_substr($value, 0, $maxLength);
+        }
+    }
+}
@@ -0,0 +1,63 @@
+<?php
+
+namespace App\Support\Qr;
+
+class QrFrameStyleCatalog
+{
+    /** @return array<string, array{label: string, description: string, border_px: int, mode: string, cta?: string, visible?: bool}> */
+    public static function all(): array
+    {
+        return [
+            'none' => [
+                'label' => 'None',
+                'description' => 'Code only',
+                'border_px' => 0,
+                'mode' => 'none',
+            ],
+            'thin' => [
+                'label' => 'Border',
+                'description' => 'Simple white sticker edge',
+                'border_px' => 8,
+                'mode' => 'border',
+            ],
+            'bold' => [
+                'label' => 'Wide border',
+                'description' => 'Legacy wide border',
+                'border_px' => 16,
+                'mode' => 'border',
+                'visible' => false,
+            ],
+            'scan_me' => [
+                'label' => 'Scan me',
+                'description' => 'CTA sticker below code',
+                'border_px' => 14,
+                'mode' => 'label',
+                'cta' => 'SCAN ME',
+            ],
+            'tap_to_scan' => [
+                'label' => 'Tap to scan',
+                'description' => 'Rounded CTA sticker',
+                'border_px' => 14,
+                'mode' => 'pill',
+                'cta' => 'TAP TO SCAN',
+            ],
+        ];
+    }
+
+    /** @return array<string, array{label: string, description: string, border_px: int, mode: string, cta?: string, visible?: bool}> */
+    public static function visible(): array
+    {
+        return array_filter(self::all(), fn (array $style): bool => ($style['visible'] ?? true) === true);
+    }
+
+    /** @return list<string> */
+    public static function keys(): array
+    {
+        return array_keys(self::all());
+    }
+
+    public static function isValid(string $style): bool
+    {
+        return isset(self::all()[$style]);
+    }
+}
@@ -0,0 +1,93 @@
+<?php
+
+namespace App\Support\Qr;
+
+class QrModuleStyleCatalog
+{
+    /** @return array<string, array{label: string, description: string, circular: bool, circle_radius: float, connect_paths: bool, scan_risk: string, visible?: bool}> */
+    public static function all(): array
+    {
+        return [
+            'square' => [
+                'label' => 'Standard',
+                'description' => 'Traditional square QR modules',
+                'circular' => false,
+                'circle_radius' => 0.4,
+                'connect_paths' => false,
+                'scan_risk' => 'low',
+            ],
+            'soft' => [
+                'label' => 'Rounded',
+                'description' => 'Soft rounded modules',
+                'circular' => true,
+                'circle_radius' => 0.36,
+                'connect_paths' => false,
+                'scan_risk' => 'medium',
+                'visible' => false,
+            ],
+            'dots' => [
+                'label' => 'Dots',
+                'description' => 'Round dot modules',
+                'circular' => true,
+                'circle_radius' => 0.45,
+                'connect_paths' => false,
+                'scan_risk' => 'medium',
+            ],
+            'bubble' => [
+                'label' => 'Large dots',
+                'description' => 'Bolder round dot modules',
+                'circular' => true,
+                'circle_radius' => 0.52,
+                'connect_paths' => false,
+                'scan_risk' => 'high',
+                'visible' => false,
+            ],
+            'fluid' => [
+                'label' => 'Fluid',
+                'description' => 'Legacy decorative style',
+                'circular' => true,
+                'circle_radius' => 0.38,
+                'connect_paths' => true,
+                'scan_risk' => 'high',
+                'visible' => false,
+            ],
+            'bold' => [
+                'label' => 'Bold',
+                'description' => 'Legacy thick square modules',
+                'circular' => false,
+                'circle_radius' => 0.4,
+                'connect_paths' => false,
+                'scan_risk' => 'low',
+                'visible' => false,
+            ],
+        ];
+    }
+
+    /** @return array<string, array{label: string, description: string, circular: bool, circle_radius: float, connect_paths: bool, scan_risk: string, visible?: bool}> */
+    public static function visible(): array
+    {
+        return array_filter(self::all(), fn (array $style): bool => ($style['visible'] ?? true) === true);
+    }
+
+    /** @return list<string> */
+    public static function keys(): array
+    {
+        return array_keys(self::all());
+    }
+
+    public static function isValid(string $style): bool
+    {
+        return isset(self::all()[$style]);
+    }
+
+    /** @return array<string, mixed> */
+    public static function optionsFor(string $style): array
+    {
+        return self::all()[$style] ?? self::all()['square'];
+    }
+
+    public static function isDecorative(string $style): bool
+    {
+        return in_array(self::optionsFor($style)['scan_risk'], ['medium', 'high'], true);
+    }
+}
@@ -0,0 +1,102 @@
+<?php
+
+namespace App\Support\Qr;
+
+class QrScanReliability
+{
+    /** @param  array<string, mixed>  $style */
+    public static function contrastRatio(array $style): float
+    {
+        $fg = self::relativeLuminance((string) ($style['foreground'] ?? '#000000'));
+        $bg = self::relativeLuminance((string) ($style['background'] ?? '#ffffff'));
+
+        $lighter = max($fg, $bg);
+        $darker = min($fg, $bg);
+
+        return ($lighter + 0.05) / ($darker + 0.05);
+    }
+
+    /**
+     * @param  array<string, mixed>  $style
+     * @return array{level: string, messages: list<string>}
+     */
+    public static function assess(array $style): array
+    {
+        $style = QrStyleDefaults::merge($style);
+        $messages = [];
+        $level = 'good';
+
+        $contrast = self::contrastRatio($style);
+        $isClassic = self::isClassicBlackOnWhite($style);
+        $moduleStyle = (string) ($style['module_style'] ?? 'square');
+        $moduleMeta = QrModuleStyleCatalog::optionsFor($moduleStyle);
+
+        if ($moduleMeta['scan_risk'] === 'medium') {
+            $messages[] = 'This module style may not scan on every phone camera. Square is the safest choice.';
+            $level = 'fair';
+        }
+
+        if ($moduleMeta['scan_risk'] === 'high') {
+            $messages[] = 'Decorative styles like ' . $moduleMeta['label'] . ' often fail on Samsung Camera. Use square for print and signage.';
+            $level = 'poor';
+        }
+
+        if (! $isClassic) {
+            $messages[] = 'Colored QR codes often fail on Samsung Camera and other basic scanners. Black on white works everywhere.';
+            $level = $level === 'good' ? 'fair' : 'poor';
+        }
+
+        if ($contrast < 4.5) {
+            $messages[] = sprintf(
+                'Contrast is low (%.1f:1). Aim for at least 4.5:1 — dark foreground, white background.',
+                $contrast,
+            );
+            $level = 'poor';
+        }
+
+        if ($moduleMeta['scan_risk'] !== 'low' && ! $isClassic) {
+            $level = 'poor';
+        }
+
+        if ($messages === []) {
+            $messages[] = 'Black square modules on white give the best compatibility with Samsung, iPhone, and printed codes.';
+        }
+
+        return ['level' => $level, 'messages' => $messages];
+    }
+
+    /** @param  array<string, mixed>  $style */
+    public static function isClassicBlackOnWhite(array $style): bool
+    {
+        $fg = strtolower(ltrim((string) ($style['foreground'] ?? ''), '#'));
+        $bg = strtolower(ltrim((string) ($style['background'] ?? ''), '#'));
+
+        $fg = strlen($fg) === 3 ? $fg[0] . $fg[0] . $fg[1] . $fg[1] . $fg[2] . $fg[2] : $fg;
+        $bg = strlen($bg) === 3 ? $bg[0] . $bg[0] . $bg[1] . $bg[1] . $bg[2] . $bg[2] : $bg;
+
+        return in_array($fg, ['000000', '0f172a', '111111', '1a1a1a'], true)
+            && in_array($bg, ['ffffff', 'fff'], true);
+    }
+
+    private static function relativeLuminance(string $hex): float
+    {
+        $hex = ltrim(trim($hex), '#');
+        if (strlen($hex) === 3) {
+            $hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];
+        }
+
+        if (strlen($hex) !== 6 || ! ctype_xdigit($hex)) {
+            return 0.0;
+        }
+
+        $channels = [];
+        foreach ([0, 2, 4] as $offset) {
+            $value = hexdec(substr($hex, $offset, 2)) / 255;
+            $channels[] = $value <= 0.03928
+                ? $value / 12.92
+                : (($value + 0.055) / 1.055) ** 2.4;
+        }
+
+        return (0.2126 * $channels[0]) + (0.7152 * $channels[1]) + (0.0722 * $channels[2]);
+    }
+}
@@ -0,0 +1,114 @@
+<?php
+
+namespace App\Support\Qr;
+
+class QrStyleDefaults
+{
+    /** @return array<string, mixed> */
+    public static function defaults(): array
+    {
+        return [
+            'foreground' => '#000000',
+            'background' => '#ffffff',
+            'error_correction' => 'M',
+            'margin' => 4,
+            'module_style' => 'square',
+            'finder_outer' => 'square',
+            'finder_inner' => 'square',
+            'frame_style' => 'none',
+            'frame_text' => '',
+            'frame_color' => '#000000',
+            'scale' => 8,
+            'logo_path' => null,
+            'gradient_type' => 'none',
+            'gradient_color1' => '#000000',
+            'gradient_color2' => '#7c3aed',
+            'gradient_rotation' => 45,
+            'logo_size' => 0.3,
+            'logo_margin' => 5,
+            'logo_white_bg' => false,
+            'logo_shape' => 'none',
+        ];
+    }
+
+    /** @param  array<string, mixed>|null  $style */
+    public static function merge(?array $style): array
+    {
+        $merged = array_merge(self::defaults(), $style ?? []);
+
+        if (! in_array($merged['error_correction'], ['L', 'M', 'Q', 'H'], true)) {
+            $merged['error_correction'] = 'M';
+        }
+
+        if (! in_array($merged['module_style'], QrModuleStyleCatalog::keys(), true)) {
+            $merged['module_style'] = 'square';
+        }
+
+        if (! QrCornerStyleCatalog::isValidOuter((string) ($merged['finder_outer'] ?? 'square'))) {
+            $merged['finder_outer'] = 'square';
+        }
+
+        if (! QrCornerStyleCatalog::isValidInner((string) ($merged['finder_inner'] ?? 'square'))) {
+            $merged['finder_inner'] = 'square';
+        }
+
+        if (! QrFrameStyleCatalog::isValid((string) ($merged['frame_style'] ?? 'none'))) {
+            $merged['frame_style'] = 'none';
+        }
+
+        $merged['frame_text'] = substr(trim((string) ($merged['frame_text'] ?? '')), 0, 100);
+        $frameColor = trim((string) ($merged['frame_color'] ?? '#000000'));
+        $merged['frame_color'] = preg_match('/^#[0-9a-fA-F]{6}$/', $frameColor) ? $frameColor : '#000000';
+
+        if (! in_array($merged['gradient_type'], ['none', 'linear', 'radial'], true)) {
+            $merged['gradient_type'] = 'none';
+        }
+
+        $merged['logo_size'] = max(0.1, min(0.4, (float) ($merged['logo_size'] ?? 0.3)));
+        $merged['logo_margin'] = max(0, min(15, (int) ($merged['logo_margin'] ?? 5)));
+        if (! in_array($merged['logo_shape'], ['none', 'rounded', 'circle'], true)) {
+            $merged['logo_shape'] = 'none';
+        }
+        $merged['logo_white_bg'] = (bool) ($merged['logo_white_bg'] ?? false);
+
+        if ($merged['module_style'] === 'bold') {
+            $merged['scale'] = min(16, (int) $merged['scale'] + 2);
+        }
+
+        $merged['margin'] = max(0, min(10, (int) $merged['margin']));
+        $merged['scale'] = max(4, min(16, (int) $merged['scale']));
+
+        return $merged;
+    }
+
+    /** @param  array<string, mixed>|null  $style */
+    public static function mergeForRender(?array $style): array
+    {
+        return QrStyleNormalizer::normalize(self::merge($style));
+    }
+
+    /** @param  array<string, mixed>  $style */
+    public static function recommendedEcc(array $style): string
+    {
+        $ecc = (string) ($style['error_correction'] ?? 'M');
+        $order = ['L' => 0, 'M' => 1, 'Q' => 2, 'H' => 3];
+        $minimum = 'M';
+        $moduleStyle = (string) ($style['module_style'] ?? 'square');
+
+        if (in_array($moduleStyle, ['bubble', 'fluid'], true)) {
+            $minimum = 'H';
+        } elseif (QrModuleStyleCatalog::isDecorative($moduleStyle)) {
+            $minimum = 'Q';
+        }
+
+        if (! empty($style['logo_path'])) {
+            $minimum = 'H';
+        }
+
+        if (QrScanReliability::contrastRatio($style) < 4.5) {
+            $minimum = 'H';
+        }
+
+        return ($order[$minimum] ?? 1) > ($order[$ecc] ?? 1) ? $minimum : $ecc;
+    }
+}
@@ -0,0 +1,138 @@
+<?php
+
+namespace App\Support\Qr;
+
+class QrStyleNormalizer
+{
+    /**
+     * Silently tune styles so more phone cameras (including Samsung) can read the code.
+     *
+     * @param  array<string, mixed>  $style
+     * @return array<string, mixed>
+     */
+    public static function normalize(array $style): array
+    {
+        $style = self::ensureContrast($style);
+        $style = self::ensureQuietZone($style);
+        $style = self::ensureRenderScale($style);
+
+        $style['error_correction'] = QrStyleDefaults::recommendedEcc($style);
+
+        return $style;
+    }
+
+    /** @param  array<string, mixed>  $style */
+    private static function ensureContrast(array $style): array
+    {
+        $target = 4.5;
+        $attempts = 0;
+
+        while (QrScanReliability::contrastRatio($style) < $target && $attempts < 16) {
+            $fg = self::hexToRgb((string) $style['foreground']);
+            $bg = self::hexToRgb((string) $style['background']);
+
+            if (self::relativeLuminance($fg) > self::relativeLuminance($bg)) {
+                $style['foreground'] = self::rgbToHex(self::darkenToward($fg, 0.18));
+            } else {
+                $style['foreground'] = self::rgbToHex(self::darkenToward($fg, 0.15));
+                $style['background'] = self::rgbToHex(self::lightenToward($bg, 0.15));
+            }
+
+            $attempts++;
+        }
+
+        if (QrScanReliability::contrastRatio($style) < $target) {
+            $style['foreground'] = '#000000';
+            $style['background'] = '#ffffff';
+        }
+
+        return $style;
+    }
+
+    /** @param  array<string, mixed>  $style */
+    private static function ensureQuietZone(array $style): array
+    {
+        $margin = (int) ($style['margin'] ?? 4);
+        $moduleStyle = (string) ($style['module_style'] ?? 'square');
+
+        if (QrModuleStyleCatalog::isDecorative($moduleStyle)) {
+            $margin = max($margin, 5);
+        }
+
+        $style['margin'] = max(4, min(10, $margin));
+
+        return $style;
+    }
+
+    /** @param  array<string, mixed>  $style */
+    private static function ensureRenderScale(array $style): array
+    {
+        $scale = (int) ($style['scale'] ?? 8);
+        $module = QrModuleStyleCatalog::optionsFor((string) ($style['module_style'] ?? 'square'));
+
+        if ($module['circular'] ?? false) {
+            $scale = max($scale, 10);
+        }
+
+        if (! empty($style['logo_path'])) {
+            $scale = max($scale, 10);
+        }
+
+        $style['scale'] = max(6, min(16, $scale));
+
+        return $style;
+    }
+
+    /** @return array{0: int, 1: int, 2: int} */
+    private static function hexToRgb(string $hex): array
+    {
+        $hex = ltrim(trim($hex), '#');
+        if (strlen($hex) === 3) {
+            $hex = $hex[0] . $hex[0] . $hex[1] . $hex[1] . $hex[2] . $hex[2];
+        }
+
+        if (strlen($hex) !== 6 || ! ctype_xdigit($hex)) {
+            return [0, 0, 0];
+        }
+
+        return [hexdec(substr($hex, 0, 2)), hexdec(substr($hex, 2, 2)), hexdec(substr($hex, 4, 2))];
+    }
+
+    /** @param  array{0: int, 1: int, 2: int}  $rgb */
+    private static function rgbToHex(array $rgb): string
+    {
+        return sprintf('#%02x%02x%02x', $rgb[0], $rgb[1], $rgb[2]);
+    }
+
+    /** @param  array{0: int, 1: int, 2: int}  $rgb */
+    private static function darkenToward(array $rgb, float $amount): array
+    {
+        return [
+            (int) max(0, $rgb[0] * (1 - $amount)),
+            (int) max(0, $rgb[1] * (1 - $amount)),
+            (int) max(0, $rgb[2] * (1 - $amount)),
+        ];
+    }
+
+    /** @param  array{0: int, 1: int, 2: int}  $rgb */
+    private static function lightenToward(array $rgb, float $amount): array
+    {
+        return [
+            (int) min(255, $rgb[0] + ((255 - $rgb[0]) * $amount)),
+            (int) min(255, $rgb[1] + ((255 - $rgb[1]) * $amount)),
+            (int) min(255, $rgb[2] + ((255 - $rgb[2]) * $amount)),
+        ];
+    }
+
+    /** @param  array{0: int, 1: int, 2: int}  $rgb */
+    private static function relativeLuminance(array $rgb): float
+    {
+        $channels = [];
+        foreach ($rgb as $value) {
+            $v = $value / 255;
+            $channels[] = $v <= 0.03928 ? $v / 12.92 : (($v + 0.055) / 1.055) ** 2.4;
+        }
+
+        return (0.2126 * $channels[0]) + (0.7152 * $channels[1]) + (0.0722 * $channels[2]);
+    }
+}
@@ -0,0 +1,81 @@
+<?php
+
+namespace App\Support\Qr;
+
+use App\Models\QrCode;
+
+/**
+ * Ladill Events product types — events and programme/itinerary outlines only.
+ */
+class QrTypeCatalog
+{
+    /** @return list<string> */
+    public static function eventsTypes(): array
+    {
+        return [
+            QrCode::TYPE_EVENT,
+            QrCode::TYPE_ITINERARY,
+        ];
+    }
+
+    /** @return list<string> */
+    public static function eventTypes(): array
+    {
+        return [QrCode::TYPE_EVENT];
+    }
+
+    /** @return list<string> */
+    public static function programmeTypes(): array
+    {
+        return [QrCode::TYPE_ITINERARY];
+    }
+
+    /** @return array<string, array{label: string, description: string, category: string, icon: string}> */
+    public static function all(): array
+    {
+        $catalog = [
+            QrCode::TYPE_EVENT => [
+                'label' => 'Event',
+                'description' => 'Sell tickets, take contributions, or register attendees for free',
+                'category' => 'events',
+                'icon' => 'event.svg',
+            ],
+            QrCode::TYPE_ITINERARY => [
+                'label' => 'Programme',
+                'description' => 'Share a multi-day event schedule or programme outline',
+                'category' => 'programmes',
+                'icon' => 'itinerary.svg',
+            ],
+        ];
+
+        return array_intersect_key($catalog, array_flip(self::eventsTypes()));
+    }
+
+    /** @return list<string> */
+    public static function keys(): array
+    {
+        return array_keys(self::all());
+    }
+
+    public static function label(string $type): string
+    {
+        return self::all()[$type]['label'] ?? ucfirst(str_replace('_', ' ', $type));
+    }
+
+    public static function isValid(string $type): bool
+    {
+        return isset(self::all()[$type]);
+    }
+
+    public static function iconUrl(string $icon): string
+    {
+        $path = public_path('images/qr-icons/'.$icon);
+        $url = '/images/qr-icons/'.$icon;
+
+        if (is_file($path)) {
+            return $url.'?v='.filemtime($path);
+        }
+
+        return $url;
+    }
+}
@@ -0,0 +1,45 @@
+<?php
+
+namespace App\Support\Qr;
+
+class QrWifiPayload
+{
+    /**
+     * Build a WiFi QR payload (ZXing MECARD format) for one-tap network join on scan.
+     *
+     * @param  array<string, mixed>  $content
+     */
+    public static function encode(array $content): string
+    {
+        $encryption = strtoupper(trim((string) ($content['encryption'] ?? 'WPA')));
+        $auth = $encryption === 'NOPASS' ? 'nopass' : $encryption;
+        if (! in_array($auth, ['WPA', 'WEP', 'nopass'], true)) {
+            $auth = 'WPA';
+        }
+
+        $ssid = self::escape(trim((string) ($content['ssid'] ?? '')));
+        $payload = 'WIFI:T:' . $auth . ';S:' . $ssid;
+
+        if ($auth !== 'nopass') {
+            $password = trim((string) ($content['password'] ?? ''));
+            if ($password !== '') {
+                $payload .= ';P:' . self::escape($password);
+            }
+        }
+
+        if (filter_var($content['hidden'] ?? false, FILTER_VALIDATE_BOOL)) {
+            $payload .= ';H:true';
+        }
+
+        return $payload . ';;';
+    }
+
+    private static function escape(string $value): string
+    {
+        return str_replace(
+            ['\\', ';', ',', '"', ':'],
+            ['\\\\', '\\;', '\\,', '\\"', '\\:'],
+            $value
+        );
+    }
+}