try support win receipt

Author: pandadtdyy

packages/server/client/balloon.ts

@@ -1,4 +1,5 @@
 /* eslint-disable no-await-in-loop */
+import { exec } from 'child_process';
 import path from 'path';
 import EscPosEncoder from '@freedom_sky/esc-pos-encoder';
 import superagent from 'superagent';
@@ -73,6 +74,7 @@ let timer = null;
 let printer = null;
 
 async function getReceiptStatus(receipt) {
+    if (process.platform === 'win32') printer = { printer: receipt };
     const lp = receipt.split('/').pop();
     const oldPrinter = printer;
     printer = {
@@ -109,7 +111,14 @@ async function printBalloon(doc, lang) {
     );
     if (printer) {
         await getReceiptStatus(printer.printer);
-        fs.writeFileSync(path.resolve(printer.printer), bReceipt);
+        if (process.platform === 'win32') {
+            fs.writeFileSync(path.resolve(process.cwd(), 'data', 'balloon.txt'), bReceipt);
+            exec(`COPY /B "${path.resolve(process.cwd(), 'data', 'balloon.txt')}" "${printer.printer}"`, (err, stdout, stderr) => {
+                if (err) logger.error(err);
+                if (stdout) logger.info(stdout);
+                if (stderr) logger.error(stderr);
+            });
+        } else fs.writeFileSync(path.resolve(printer.printer), bReceipt);
     }
 }
 

packages/server/config.ts

@@ -2,7 +2,8 @@ import path from 'path';
 import Schema from 'schemastery';
 import { version } from './package.json';
 import {
-    fs, getPrinters, Logger, yaml,
+    fs, getPrinters, getWinReceiptPrinter,
+    Logger, yaml,
 } from './utils';
 
 const logger = new Logger('init');
@@ -42,7 +43,15 @@ password:
                         logger.info(`If you want to use this printer for balloon print, please set balloon: /dev/usb/${f} in config.yaml.`);
                     }
                 }
-            } else logger.info('If you want to use balloon client, please run this on linux.');
+                if (!usbDevices.length) logger.info('If you want to use balloon client, please connect your receipt printer first.');
+            } else if (process.platform === 'win32') {
+                const printerList = await getWinReceiptPrinter();
+                for (const printer of printerList) {
+                    logger.info(`Receipt Printer ${printer.printer}(${printer.device})) found: ${printer.description}`);
+                    logger.info(`If you want to use this printer for balloon print, please set balloon: ${printer.printer} in config.yaml.`);
+                }
+                if (!printers.length) logger.info('If you want to use balloon client, please share your receipt printer on settings first.');
+            } else logger.info('If you want to use balloon client, please run this on Linux/Windows.');
         }
         const clientConfigDefault = yaml.dump({
             server: '',

packages/server/utils/printers.ts

@@ -63,3 +63,13 @@ export async function print(file: string, printer: string, startPage?: number, e
     }
     return unixPrint(file, printer, startPage && endPage ? ['-P', `${startPage}-${endPage}`] : []);
 }
+
+export async function getWinReceiptPrinter() {
+    const winprinters = await wingetPrinters();
+    return winprinters.filter((p: any) => p.DeviceID).filter((p: any) => p.ShareName).map((p: any) => ({
+        printer: `\\\\${p.SystemName}\\${p.ShareName}`,
+        device: p.DeviceID,
+        description: p.Caption,
+        status: windowsPrinterStatus[p.PrinterStatus] ? windowsPrinterStatus[p.PrinterStatus] : 'unknown',
+    }));
+}