73 lines
6.3 KiB
PHP
73 lines
6.3 KiB
PHP
<?php
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namespace App\Modules\Services;
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/** Deterministic text-only PDF v1. Stored bytes, never regenerated from live records. */
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final class InvoicePdf
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{
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public const VERSION='sgf-test-invoice-text-v2';
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public static function lines(array $s): array
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{
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if(($s['calculation_policy']??null)===MultiLineInvoiceCalculation::POLICY)return MultiLineInvoicePdf::lines($s);
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$lines=[['title','Factura de serviço - demonstração isolada'],['text',$s['series_code'].' / '.$s['number']],['text','Emissão: '.$s['issued_local'].' ('.$s['timezone'].')'],['section','Emitente']];
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foreach(['issuer'=>'Emitente','client'=>'Cliente'] as $key=>$title) {
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if($key==='client') $lines[]=['section',$title];
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$party=$s['document'][$key]; $lines[]=['text',$party['name']];
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foreach(['nuit'=>'NUIT','address'=>'Morada','locality'=>'Localidade','country'=>'País'] as $field=>$label) $lines[]=['text',$label.': '.($party['data'][$field] ?? 'Não indicado')];
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}
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$p=$s['document']['prepared']; $line=$s['document']['data']['lines'][0];
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$lines[]=['section','Serviço e período'];
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foreach(['service_name'=>'Serviço','description'=>'Descrição','quantity'=>'Quantidade','unit_price'=>'Preço sem IVA'] as $key=>$label) if(!empty($line[$key]) || ($line[$key] ?? null)==='0') $lines[]=['text',$label.': '.$line[$key]];
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$lines[]=['text','Unidade: '.($p['units'][0] ?? 'Não indicada')];
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$lines[]=['text','Período: '.($p['period_start'] ?? 'Não indicado').' a '.($p['period_end'] ?? 'Não indicado')];
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$lines[]=['text','Condições: '.($p['payment_terms'] ?? 'Não indicadas')];
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$lines[]=['text','Vencimento proposto: '.($p['proposed_due_date'] ?? 'Não indicado')];
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$lines[]=['section','Valores - '.$s['calculation']['currency']];
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foreach(['base_exact'=>'Base exacta','vat_exact'=>'IVA exacto','vat_document_proposed'=>'IVA documental proposto','discarded_difference'=>'Diferença preservada','total_document_proposed'=>'Total proposto'] as $key=>$label) $lines[]=['text',$label.': '.$s['calculation'][$key]];
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$lines[]=['text','Perfil: '.$s['profile_identifier'].' v'.$s['profile_version'].' | IVA '.$s['rate_percent'].'%'];
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$lines[]=['text','Exigibilidade simulada: '.$s['exigibility_date'].' | Período: '.$s['assessment_period']];
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foreach(['contacts'=>'Contactos','observations'=>'Observações'] as $key=>$label) if(!empty($s['document'][$key])) { $lines[]=['section',$label]; $lines[]=['text',$s['document'][$key]]; }
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foreach($s['document']['payments'] as $payment) { $lines[]=['section','Instruções de pagamento']; foreach(['label'=>'Designação','bank'=>'Banco','holder'=>'Titular','account_number'=>'Conta','nib'=>'NIB','iban'=>'IBAN','swift'=>'SWIFT','bank_code'=>'Código bancário','currency'=>'Moeda','instructions'=>'Instruções'] as $key=>$label) if(isset($payment['data'][$key]) && $payment['data'][$key]!=='') $lines[]=['text',$label.': '.$payment['data'][$key]]; }
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$lines[]=['section','Origem e limites']; $lines[]=['text','Rascunho #'.$s['draft_id'].' v'.$s['document']['draft_version'].' | Regra temporal #'.$s['rule_id'].' v'.$s['rule_version']];
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$lines[]=['text','Sem recebimento, comunicação à AT ou lançamento contabilístico.'];
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return $lines;
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}
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public static function supports(array $lines): bool
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{
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foreach($lines as [, $text]) if(@iconv('UTF-8','Windows-1252',$text)===false || preg_match('/[\x00-\x08\x0B\x0C\x0E-\x1F]/',$text)) return false;
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return true;
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}
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public function render(array $s): string
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{
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$lines=$s['document_lines'] ?? self::lines($s); abort_unless(self::supports($lines),422,'Texto fora do conjunto de caracteres suportado pelo PDF v1; não foi emitido.');
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$rows=[];
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foreach($lines as [$kind,$text]) {
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foreach(explode("\n",str_replace("\r",'', $text)) as $paragraph) {
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// <=50 glyphs even for the widest Helvetica letters; fixed A4 margins.
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$words=preg_split('/\s+/u',$paragraph); $wrapped='';
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foreach($words as $word) foreach(mb_str_split($word,50) as $part) {
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if(mb_strlen($wrapped.($wrapped===''?'':' ').$part)>50) { $rows[]=[$kind,$wrapped]; $wrapped=$part; }
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else $wrapped.=($wrapped===''?'':' ').$part;
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}
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if($wrapped!=='') $rows[]=[$kind,$wrapped];
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}
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}
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$pages=array_chunk($rows,44);
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$objects=[]; $add=function($text)use(&$objects){$objects[]=$text; return count($objects);};
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$add(''); $add(''); $font=$add('<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica /Encoding /WinAnsiEncoding >>'); $bold=$add('<< /Type /Font /Subtype /Type1 /BaseFont /Helvetica-Bold /Encoding /WinAnsiEncoding >>'); $kids=[];
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$escape=function($s) { return str_replace(['\\','(',')'],['\\\\','\\(','\\)'],iconv('UTF-8','Windows-1252',$s)); };
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foreach($pages as $n=>$rows) {
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$stream="0.48 0.19 0.12 rg\nBT /F2 12 Tf 42 799 Td (".$escape('TESTE — SEM VALIDADE FISCAL').") Tj ET\n"; $y=766;
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foreach($rows as [$kind,$text]) { $f=$kind==='text'?'F1':'F2'; $size=$kind==='title'?13:10; $color=$kind==='section'?'0.09 0.34 0.28':'0.12 0.21 0.23'; $stream.="$color rg\nBT /$f $size Tf 42 $y Td (".$escape($text).") Tj ET\n"; $y-=15; }
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$stream.="0.4 0.4 0.4 rg\nBT /F1 8 Tf 42 30 Td (".$escape('TESTE — SEM VALIDADE FISCAL | Página '.($n+1).' / '.count($pages)).") Tj ET\n";
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$content=$add('<< /Length '.strlen($stream).">>\nstream\n".$stream.'endstream');
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$kids[]=$add("<< /Type /Page /Parent 2 0 R /MediaBox [0 0 595 842] /Resources << /Font << /F1 $font 0 R /F2 $bold 0 R >> >> /Contents $content 0 R >>");
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}
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$objects[0]='<< /Type /Catalog /Pages 2 0 R >>'; $objects[1]='<< /Type /Pages /Count '.count($kids).' /Kids ['.implode(' ',array_map(fn($id)=>"$id 0 R",$kids)).'] >>';
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$pdf="%PDF-1.4\n%\xE2\xE3\xCF\xD3\n"; $offset=[0];
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foreach($objects as $i=>$obj) { $offset[]=strlen($pdf); $pdf.=($i+1)." 0 obj\n$obj\nendobj\n"; }
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$xref=strlen($pdf); $pdf.='xref'."\n0 ".(count($objects)+1)."\n0000000000 65535 f \n";
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foreach(array_slice($offset,1) as $pos) $pdf.=sprintf('%010d 00000 n ',$pos)."\n";
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return $pdf.'trailer'."\n<< /Size ".(count($objects)+1).' /Root 1 0 R >>'."\nstartxref\n$xref\n%%EOF\n";
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}
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}
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