refactor: streamline printing API and update version check logic

src/api/printingApi.ts

@@ -3,11 +3,9 @@ import apiClient from "./apiClient";
 const router = '/printing';
 
 const printingApi = {
-    getLabel: async (orderId: number): Promise<string> => {
-        let response = await apiClient.get(`${router}/getLabel?orderId=${orderId}`, {responseType: 'arraybuffer'});
-        const binaryString = String.fromCharCode(...new Uint8Array(response.data));
-
-        return btoa(binaryString);
+    getLabel: async (orderId: number): Promise<{ labels: string[] }> => {
+        let response = await apiClient.get(`${router}/getLabel?orderId=${orderId}&format=zpl`);
+        return response.data
     },
 }
 export default printingApi;

src/screens/CommonPage/CommonPage.tsx

@@ -1,4 +1,4 @@
-import {Linking, StyleSheet, View} from "react-native";
+import {StyleSheet, View} from "react-native";
 import LoginScreen from "../LoginScreen/LoginScreen";
 import MainScreen from "../MainScreen/MainScreen";
 import React, {useEffect} from "react";
@@ -18,7 +18,6 @@ import ordersApi from "../../api/ordersApi";
 import ImageZoomModal from "../../components/Modals/ImageZoomModal/ImageZoomModal";
 import SortingModal from "../../components/Modals/SortingModal/SortingModal";
 import {ASSEMBLY_STATE} from "../../types/assembly";
-import Constants from "expo-constants";
 import * as FileSystem from 'expo-file-system';
 import applicationApi from "../../api/applicationApi";
 import {startActivityAsync} from "expo-intent-launcher";
@@ -33,6 +32,8 @@ import {AxiosHeaders} from "axios";
 import apiClient from "../../api/apiClient";
 import AnimationsView from "../../components/Animations/AnimationsView";
 import {ScanningContextProvider} from "../../providers/ScanProvider";
+import * as Application from 'expo-application';
+
 
 function CommonPage() {
 
@@ -64,9 +65,8 @@ function CommonPage() {
             loadAssembly();
         })
     }
-
     const checkUpdates = async () => {
-        const currentVersion = Constants.manifest2?.extra?.expoClient?.version;
+        const currentVersion = Application.nativeApplicationVersion;
         applicationApi.getVersion('assemblr').then(({latest_version}) => {
 
             if (currentVersion == latest_version) return;

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";
     }
 }