ebanutsya

src/utils/PrintingService.ts

@@ -0,0 +1,34 @@
+import axios from "axios";
+
+class PrintingService {
+    private static instance: PrintingService | null = null;
+    private readonly apiUrl: string;
+    private readonly port: number;
+
+    public static getInstance(port?: number): PrintingService {
+        if (!this.instance) {
+            this.instance = new PrintingService(port);
+        }
+        return this.instance;
+    }
+
+    private constructor(port = 2282) {
+        this.apiUrl = "127.0.0.1";
+        this.port = port;
+    }
+
+    private async print(printer: string, type: string, bytes: Uint8Array): Promise<string> {
+        let response = await axios.post(`http://${this.apiUrl}:${this.port}/print/${printer}/${type}`, bytes.buffer);
+        return response.data;
+    }
+
+    public async printPdf(printer: string, pdfBytes: Uint8Array): Promise<string> {
+        return this.print(printer, "pdf", pdfBytes);
+    }
+
+    public async printImage(printer: string, imageBytes: Uint8Array): Promise<string> {
+        return this.print(printer, "image", imageBytes);
+    }
+}
+
+export default PrintingService;