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edfa404ed6
Always execute migration 9999 (can be used to fix things manually) Optimized meal plan navigation / date range filtering Prepared next release Pulled translations from Transifex Various code optimizations
87 lines
2.0 KiB
PHP
87 lines
2.0 KiB
PHP
<?php
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namespace Grocy\Services;
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use DateTime;
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use Exception;
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use Mike42\Escpos\PrintConnectors\NetworkPrintConnector;
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use Mike42\Escpos\PrintConnectors\FilePrintConnector;
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use Mike42\Escpos\Printer;
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class PrintService extends BaseService
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{
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/**
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* @param bool $printHeader Printing of Grocy logo
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* @param string[] $lines Items to print
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* @return string[] Returns array with result OK if no exception
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* @throws Exception If unable to print, an exception is thrown
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*/
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public function printShoppingList(bool $printHeader, array $lines): array
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{
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$printer = self::getPrinterHandle();
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if ($printer === false)
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{
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throw new Exception('Unable to connect to printer');
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}
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if ($printHeader)
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{
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self::printHeader($printer);
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}
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foreach ($lines as $line)
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{
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$printer->text($line);
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$printer->feed();
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}
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$printer->feed(3);
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$printer->cut();
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$printer->close();
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return [
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'result' => 'OK'
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];
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}
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/**
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* Initialises the printer
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* @return Printer Printer handle
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* @throws Exception If unable to connect to printer, an exception is thrown
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*/
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private static function getPrinterHandle()
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{
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if (GROCY_TPRINTER_IS_NETWORK_PRINTER)
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{
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$connector = new NetworkPrintConnector(GROCY_TPRINTER_IP, GROCY_TPRINTER_PORT);
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}
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else
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{
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$connector = new FilePrintConnector(GROCY_TPRINTER_CONNECTOR);
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}
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return new Printer($connector);
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}
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/**
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* Prints the grocy logo and date
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* @param Printer $printer Printer handle
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*/
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private static function printHeader(Printer $printer)
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{
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$date = new DateTime();
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$dateFormatted = $date->format('d/m/Y H:i');
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$printer->setJustification(Printer::JUSTIFY_CENTER);
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$printer->selectPrintMode(Printer::MODE_DOUBLE_WIDTH);
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$printer->setTextSize(4, 4);
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$printer->setReverseColors(true);
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$printer->text('grocy');
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$printer->setJustification();
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$printer->setTextSize(1, 1);
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$printer->setReverseColors(false);
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$printer->feed(2);
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$printer->text($dateFormatted);
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$printer->selectPrintMode();
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$printer->feed(2);
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}
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}
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