bufferDanfe method

@override Future<List<int>> bufferDanfe(Danfe? danfe, { bool mostrarMoeda = true, })

Metodo que vai pegar o objeto Danfe e converter em esc/pos em um layout pre determinado

Implementation

//
@override
Future<List<int>> bufferDanfe(Danfe? danfe, {bool mostrarMoeda = true}) async {
  String moeda = (mostrarMoeda == true) ? r'R$' : '';
  final profile = await CapabilityProfile.load();
  final generator = Generator(paperSize, profile);
  List<int> bytes = [];
  // Print image
  bytes += generator.rawBytes([27, 97, 49]);
  bytes += generator.text(danfe?.dados?.emit?.xFant ?? (danfe?.dados?.emit?.xNome ?? ''),
      styles: const PosStyles(
        align: PosAlign.center,
        bold: true,
      ));
  bytes += generator.text((danfe?.dados?.emit?.cnpj ?? ''), styles: const PosStyles(align: PosAlign.center));
  bytes += generator.text('${danfe?.dados?.emit?.enderEmit?.xLgr ?? ''}, ${danfe?.dados?.emit?.enderEmit?.nro ?? ''}', styles: const PosStyles(align: PosAlign.center));
  bytes += generator.rawBytes([27, 97, 48]);
  bytes += generator.hr();
  bytes += generator.rawBytes([27, 97, 49]);
  if ((danfe?.tipo ?? 'CFe') == 'CFe') {
    bytes += generator.text('Nota Fiscal Eletronica - SAT ', styles: const PosStyles(align: PosAlign.center, bold: true, height: PosTextSize.size1, width: PosTextSize.size1));
  } else {
    bytes += generator.text('Nota Fiscal Eletronica - NFC-E ', styles: const PosStyles(align: PosAlign.center, bold: true, height: PosTextSize.size1, width: PosTextSize.size1));
  }
  bytes += generator.rawBytes([27, 97, 48]);
  bytes += generator.text("CPF/CNPJ do consumidor: ${danfe?.dados?.dest?.cpf ?? danfe?.dados?.dest?.cnpj ?? ''}", styles: const PosStyles(align: PosAlign.left));
  if (danfe?.dados?.dest?.xNome != '' || danfe?.dados?.dest?.xNome != null) {
    bytes += generator.text("Nome: ${danfe?.dados?.dest?.xNome ?? ''}", styles: const PosStyles(align: PosAlign.left));
  }
  bytes += generator.text("Nota: ${danfe?.dados?.ide?.nNF ?? ''}", styles: const PosStyles(align: PosAlign.left));
  bytes += generator.text('Data: ${DanfeUtils.formatDate(danfe?.dados?.ide?.dataEmissao ?? '')}', styles: const PosStyles(align: PosAlign.center));

  bytes += generator.hr();

  if (paperSize == PaperSize.mm58) {
    bytes += generator.row([
      PosColumn(text: 'DESCRICAO', width: 7, styles: const PosStyles(align: PosAlign.left, bold: true)),
      PosColumn(text: 'QTD', width: 2, styles: const PosStyles(align: PosAlign.right, bold: true)),
      PosColumn(text: 'VLTOT', width: 3, styles: const PosStyles(align: PosAlign.right, bold: true)),
    ]);
  } else {
    bytes += generator.row([
      PosColumn(text: 'DESCRICAO', width: 5, styles: const PosStyles(align: PosAlign.left, bold: true)),
      PosColumn(text: 'QTD', width: 1, styles: const PosStyles(align: PosAlign.right, bold: true)),
      PosColumn(text: 'VLUN', width: 3, styles: const PosStyles(align: PosAlign.right, bold: true)),
      PosColumn(text: 'VLTOT', width: 3, styles: const PosStyles(align: PosAlign.right, bold: true)),
    ]);
  }
  if (danfe?.dados?.det != null) {
    for (Det det in danfe!.dados!.det!) {
      if (paperSize == PaperSize.mm58) {
        bytes += generator.row([
          PosColumn(text: det.prod?.xProd ?? '', width: 7, styles: const PosStyles(align: PosAlign.left, width: PosTextSize.size1)),
          PosColumn(text: DanfeUtils.formatNumber(det.prod?.qCom ?? ''), width: 2, styles: const PosStyles(align: PosAlign.right)),
          PosColumn(text: DanfeUtils.formatMoneyMilhar(det.prod?.vProd ?? '', modeda: 'pt_BR', simbolo: moeda), width: 3, styles: const PosStyles(align: PosAlign.right)),
        ]);
      } else {
        bytes += generator.row([
          PosColumn(text: det.prod?.xProd ?? '', width: 5, styles: const PosStyles(align: PosAlign.left)),
          PosColumn(text: DanfeUtils.formatNumber(det.prod?.qCom ?? ''), width: 1, styles: const PosStyles(align: PosAlign.right)),
          PosColumn(text: DanfeUtils.formatMoneyMilhar(det.prod?.vUnCom ?? '', modeda: 'pt_BR', simbolo: moeda), width: 3, styles: const PosStyles(align: PosAlign.right)),
          PosColumn(text: DanfeUtils.formatMoneyMilhar(det.prod?.vProd ?? '', modeda: 'pt_BR', simbolo: moeda), width: 3, styles: const PosStyles(align: PosAlign.right)),
        ]);
      }
    }
  }
  bytes += generator.hr();
  bytes += generator.row([
    PosColumn(text: 'QTD DE ITENS', width: 6, styles: const PosStyles(align: PosAlign.left)),
    PosColumn(text: DanfeUtils.formatNumber(danfe?.dados?.det?.length.toString() ?? ''), width: 6, styles: const PosStyles(align: PosAlign.right, height: PosTextSize.size1, width: PosTextSize.size1)),
  ]);
  bytes += generator.row([
    PosColumn(text: 'SUBTOTAL', width: 6, styles: const PosStyles(bold: true, align: PosAlign.left)),
    PosColumn(text: DanfeUtils.formatMoneyMilhar(danfe?.dados?.total?.valorTotal ?? '', modeda: 'pt_BR', simbolo: moeda), width: 6, styles: const PosStyles(align: PosAlign.right, bold: true)),
  ]);

  if ((danfe?.dados?.total?.desconto ?? '0.00') != '0.00') {
    bytes += generator.row([
      PosColumn(text: 'DESCONTO', width: 6, styles: const PosStyles(align: PosAlign.left)),
      PosColumn(
          text: DanfeUtils.formatMoneyMilhar(danfe?.dados?.total?.desconto ?? '', modeda: 'pt_BR', simbolo: moeda),
          width: 6,
          styles: const PosStyles(
            align: PosAlign.right,
          )),
    ]);
  }

  if ((danfe?.dados?.total?.acrescimo ?? '0.00') != '0.00') {
    bytes += generator.row([
      PosColumn(text: 'ACRESCIMO', width: 6, styles: const PosStyles()),
      PosColumn(
          text: DanfeUtils.formatMoneyMilhar(danfe?.dados?.total?.acrescimo ?? '', modeda: 'pt_BR', simbolo: moeda),
          width: 6,
          styles: const PosStyles(
            align: PosAlign.right,
          )),
    ]);
  }
  if ((danfe?.dados?.pgto?.vTroco ?? '0.00') != '0.00') {
    bytes += generator.row([
      PosColumn(text: 'TROCO', width: 6, styles: const PosStyles(align: PosAlign.left)),
      PosColumn(text: DanfeUtils.formatMoneyMilhar(danfe?.dados?.pgto?.vTroco ?? '', modeda: 'pt_BR', simbolo: moeda), width: 6, styles: const PosStyles(align: PosAlign.right)),
    ]);
  }

  bytes += generator.row([
    PosColumn(text: 'TOTAL', width: 6, styles: const PosStyles(bold: true, align: PosAlign.left)),
    PosColumn(text: DanfeUtils.formatMoneyMilhar(danfe?.dados?.total?.valorPago ?? '0.00', modeda: 'pt_BR', simbolo: moeda), width: 6, styles: const PosStyles(align: PosAlign.right, bold: true)),
  ]);
  bytes += generator.hr();
  if (danfe?.dados?.pgto != null) {
    bytes += generator.row([
      PosColumn(text: 'FORMAS DE PAGAMENTO', width: 6, styles: const PosStyles(bold: true)),
      PosColumn(text: 'VALOR PAGO', width: 6, styles: const PosStyles(align: PosAlign.right, bold: true)),
    ]);
    for (MP pagamento in danfe!.dados!.pgto!.formas!) {
      bytes += generator.row([
        PosColumn(text: pagamento.cMP ?? '', width: 6, styles: const PosStyles(align: PosAlign.left)),
        PosColumn(text: DanfeUtils.formatMoneyMilhar(pagamento.vMP ?? '', modeda: 'pt_BR', simbolo: moeda), width: 6, styles: const PosStyles(align: PosAlign.right)),
      ]);
    }
    bytes += generator.hr();
  }

  bytes += generator.rawBytes([27, 97, 49]);
  bytes += generator.text('CHAVE DE ACESSO DA NOTA FISCAL', styles: const PosStyles(align: PosAlign.center));
  bytes += generator.text(DanfeUtils.splitByLength(danfe?.dados?.chaveNota ?? '', 4, ' '), styles: const PosStyles(align: PosAlign.center, bold: true));
  bytes += generator.rawBytes([27, 97, 49]);
  bytes += generator.qrcode(danfe?.qrcodePrinter ?? '', size: QRSize.Size2, cor: QRCorrection.H);

  bytes += generator.rawBytes([27, 97, 48]);
  bytes += generator.feed(1);

  if (danfe?.dados?.ide?.serie != null) {
    final serie = (danfe?.dados?.ide?.serie ?? '0').padLeft(3, '0');
    final nnf = (danfe?.dados?.ide?.nNF ?? '0').padLeft(9, '0');
    bytes += generator.rawBytes([27, 97, 49]);

    bytes += generator.text('Nota $nnf Serie $serie ', styles: const PosStyles(align: PosAlign.center, bold: true));
    bytes += generator.rawBytes([27, 97, 48]);

    bytes += generator.feed(1);
  }

  if (danfe?.dados?.ide?.nserieSAT != null) {
    final serie = (danfe?.dados?.ide?.nserieSAT ?? '0').padLeft(3, '0');
    final nnf = (danfe?.dados?.ide?.nNF ?? '0').padLeft(9, '0');
    bytes += generator.rawBytes([27, 97, 49]);
    bytes += generator.text('Nota $nnf Serie $serie', styles: const PosStyles(align: PosAlign.center, bold: true));
    bytes += generator.rawBytes([27, 97, 48]);

    bytes += generator.feed(1);
  }

  if (danfe?.protNFe != null) {
    bytes += generator.row([
      PosColumn(text: 'Protocolo: ', width: 6, styles: const PosStyles(bold: true)),
      PosColumn(
          text: danfe?.protNFe?.infProt?.nProt ?? '',
          width: 6,
          styles: const PosStyles(
            align: PosAlign.right,
          )),
    ]);
    DateTime dateTime = DateTime.parse(danfe?.protNFe?.infProt?.dhRecbto ?? DateTime.now().toIso8601String());
    String formattedDate = "${dateTime.day}/${dateTime.month}/${dateTime.year} ${dateTime.hour}:${dateTime.minute}:${dateTime.second}";

    bytes += generator.row([
      PosColumn(text: 'Data: ', width: 6, styles: const PosStyles(bold: true)),
      PosColumn(
          text: formattedDate,
          width: 6,
          styles: const PosStyles(
            align: PosAlign.right,
          )),
    ]);
    bytes += generator.feed(1);
  }

  if (danfe?.dados?.infAdic?.infCpl != null) {
    bytes += generator.text(danfe!.dados!.infAdic!.infCpl ?? ' ', styles: const PosStyles(align: PosAlign.center));
  }

  bytes += generator.cut();
  bytes += generator.reset();

  return bytes;
}