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gecos-mobile-print-web

v0.1.7

Published

Parte web del módulo de Impresión Android de Gecos

Downloads

6

Readme

Gecos Mobile Print Web

Descripción

Librería JavaScript parte del módulo de impresión de móvil de Gecos. Es la intermediaria entre las app web que la utilicen y el servicio nativo Android que se comunica con la impresora.

Se puede ver la especificación de la API REST de comunicación aquí.

Instalación:

npm install gecos-mobile-print-web

Forma de instanciación:

// se debe indicar puerto en que está corriendo el Servicio Android
const lib = new PrinterManager({ port: X });

Funcionalidades

Ping

Envía un ping para comprobar que el servicio android está disponible en el dispositivo.

let serviceAvailable = false;
try {
	serviceAvailable = await printLib.ping();
} catch (error) {
	// no se pudo conectar al servicio por lo que serviceAvailable quedará en false
}

Check

Permite realizar un chequeo de conexión a una determinada impresora para comprobar disponibilidad de la misma. NO chequea status, solo conexión.

const checkResult = await lib.check({
    connectionMode: 'BLUETOOTH',
    driver: 'ZEBRA',
    language: 'CPCL',
    printerBrand: 'ZEBRA',
    printerModel: 'ZQ320',
    printerBluetoothMAC: 'AA:BB:CC:DD:EE:FF',
});

Print

Permite realizar un trabajo de impresión. Consiste en la conexión a la impresora, el chequeo de status (salvo que se indique su salteo expresamente) y el envío de la impresión.

const printResult = await lib.print({
    dataToPrint: 'raw printer code in language',
    printerConfiguration: {
        connectionMode: 'BLUETOOTH',
        driver: 'ZEBRA',
        language: 'CPCL',
        printerBrand: 'ZEBRA',
        printerModel: 'ZQ320',
        printerBluetoothMAC: 'AA:BB:CC:DD:EE:FF',
    },
	jobConfiguration: {
        checkStatusPreviousToPrint: true,
        checkSuccessPrint: true,
    }
});

Logs

Realiza una consulta a los logs del backend Android del módulo. El siguiente ejemplo obtiene logs con el tag SERVICE con level mínimo WARNING, considerando solamente los últimos 100 registros y los retorna en formato string plano.

const logsResult = await lib.logs({
    filters: 'SERVICE:W',
    options: '-t 100',
    destination: 'return'
});