110 lines
3.2 KiB
PHP
110 lines
3.2 KiB
PHP
<?php
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namespace App\Domains\Ticket\Services;
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use App\Domains\Tenant\Models\Tenant;
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use App\Domains\Ticket\Models\Ticket;
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use Barryvdh\DomPDF\Facade\Pdf;
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use Barryvdh\DomPDF\PDF as DomPdf;
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use Endroid\QrCode\ErrorCorrectionLevel;
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use Endroid\QrCode\QrCode;
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use Endroid\QrCode\Writer\PngWriter;
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use Illuminate\Http\Response;
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use Illuminate\Support\Collection;
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use Illuminate\Support\Facades\Storage;
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use Throwable;
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class TicketPdfService
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{
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/**
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* @param Collection<int, Ticket> $tickets
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*/
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public function download(Tenant $tenant, Collection $tickets): Response
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{
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return $this->pdf($tenant, $tickets)->download($this->filename($tickets));
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}
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/**
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* @param Collection<int, Ticket> $tickets
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*/
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public function contents(Tenant $tenant, Collection $tickets): string
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{
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return $this->pdf($tenant, $tickets)->output();
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}
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/**
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* @param Collection<int, Ticket> $tickets
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*/
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public function filename(Collection $tickets): string
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{
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return 'tickets_'.$tickets->pluck('id')->implode('_').'.pdf';
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}
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/**
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* @param Collection<int, Ticket> $tickets
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*/
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private function pdf(Tenant $tenant, Collection $tickets): DomPdf
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{
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$tenant->loadMissing('headerLogo');
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$primaryColor = $this->color($tenant->primary_color, '#009933');
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$headerBackgroundColor = $this->color($tenant->header_bg_color, $primaryColor);
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return Pdf::loadView('pdf.tickets', [
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'tenant' => $tenant,
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'tickets' => $tickets,
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'logoDataUri' => $this->logoDataUri($tenant),
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'primaryColor' => $primaryColor,
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'headerBackgroundColor' => $headerBackgroundColor,
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'headerTextColor' => $this->contrastingTextColor($headerBackgroundColor),
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'qrCodes' => $tickets->mapWithKeys(
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fn (Ticket $ticket): array => [$ticket->id => $this->qrCodeDataUri($ticket->ticket)]
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),
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])->setPaper('a4');
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}
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private function qrCodeDataUri(string $value): string
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{
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$qrCode = new QrCode(
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data: $value,
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errorCorrectionLevel: ErrorCorrectionLevel::Medium,
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size: 700,
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margin: 10,
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);
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return (new PngWriter)->write($qrCode)->getDataUri();
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}
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private function logoDataUri(Tenant $tenant): ?string
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{
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$logo = $tenant->headerLogo;
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if ($logo === null) {
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return null;
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}
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try {
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$contents = Storage::disk('s3')->get($logo->path);
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} catch (Throwable) {
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return null;
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}
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return 'data:'.($logo->mime_type ?: 'image/png').';base64,'.base64_encode($contents);
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}
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private function color(?string $color, string $fallback): string
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{
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return is_string($color) && preg_match('/^#[0-9A-Fa-f]{6}$/', $color)
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? $color
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: $fallback;
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}
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private function contrastingTextColor(string $backgroundColor): string
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{
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$red = hexdec(substr($backgroundColor, 1, 2));
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$green = hexdec(substr($backgroundColor, 3, 2));
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$blue = hexdec(substr($backgroundColor, 5, 2));
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$luminance = ($red * 299 + $green * 587 + $blue * 114) / 1000;
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return $luminance > 160 ? '#17211b' : '#ffffff';
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}
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}
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