refactor: streamline printing API and update version check logic

src/utils/PrintingService.ts

@@ -1,5 +1,3 @@
-import {Zpl} from "react-native-zpl-code";
-import {convertPdfToBitmaps} from "../connectors/PdfToBitmap";
 import TcpSocket from "react-native-tcp-socket";
 import * as SecureStore from 'expo-secure-store';
 
@@ -20,14 +18,15 @@ class PrintingService {
         this.port = port;
     }
 
-    private async printLabelAsync(pdf: string) {
+    private async printLabelAsync(pdf: { labels: string[] }): Promise<void> {
         const printerIp = await SecureStore.getItemAsync("printerIp");
         if (!printerIp) {
             throw new Error("Printer IP not found in secure store");
         }
         // Fetch the PDF, convert to bitmaps, generate ZPL codes
-        const images = await convertPdfToBitmaps(pdf);
-        const codes = await this.generateZplCodes(images);
+        // const images = await convertPdfToBitmaps(pdf);
+        // const codes = await this.generateZplCodes(images);
+        const codes = pdf.labels;
 
         return new Promise<void>((resolve, reject) => {
             // Create and connect the socket
@@ -60,46 +59,8 @@ class PrintingService {
         });
     }
 
-    private async generateZplCodes(images: string[]) {
-        const zplCodes = [];
 
-        for (const image of images) {
-            const zplBuilder = new Zpl.Builder();
-            zplBuilder.setup({
-                size: {
-                    heightDots: 320, // 40mm at 203 DPI
-                    widthDots: 464,  // 58mm at 203 DPI
-                },
-                labelHome: {
-                    x: 0,
-                    y: 0,
-                },
-                labelTop: 0,
-                labeShift: 0,
-                orientation: "NORMAL",
-                media: {
-                    type: "MARK_SENSING",
-                    dots: 0,
-                },
-            });
-
-            zplBuilder.image({
-                uri: `data:image/png;base64,${image}`,
-                x: 0,
-                y: 0,
-                width: 464,
-                height: 320,
-                dither: true,
-            });
-
-            const zplCode = await zplBuilder.build();
-            zplCodes.push(zplCode);
-        }
-
-        return zplCodes;
-    }
-
-    private async print(printer: string, type: string, bytes: string): Promise<boolean> {
+    private async print(printer: string, type: string, bytes: { labels: string[] }): Promise<boolean> {
         try {
 
             await this.printLabelAsync(bytes);
@@ -110,7 +71,8 @@ class PrintingService {
         }
     }
 
-    public async printPdf(printer: string, pdfBytes: string): Promise<boolean> {
+    public async printPdf(printer: string, pdfBytes: { labels: string[] }): Promise<boolean> {
+
         return this.print(printer, "pdf", pdfBytes);
     }
 
@@ -118,7 +80,6 @@ class PrintingService {
     public getPrinter(baseMarketplace: number): string {
         if (baseMarketplace == 2) return 'ozon';
         return "wildberries";
-        // return "ozon";
     }
 }