forked from trent_larson/crowd-funder-for-time-pwa
New contact QR scan view for Capacitor version
This commit is contained in:
Jose Olarte III
@@ -87,6 +87,11 @@ const routes: Array<RouteRecordRaw> = [
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name: "contact-qr",
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component: () => import("../views/ContactQRScanShowView.vue"),
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},
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{
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path: "/contact-qr-scan",
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name: "contact-qr-scan",
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component: () => import("../views/ContactQRScanView.vue"),
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},
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{
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path: "/contacts",
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name: "contacts",
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@@ -83,12 +83,12 @@
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></div>
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</div>
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<div v-else>
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<button
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<router-link
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:to="{ name: 'contact-qr-scan' }"
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class="bg-blue-500 text-white px-4 py-2 rounded-md mt-4"
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@click="startScanning"
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>
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Start Scanning
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</button>
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</router-link>
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</div>
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<span v-if="error" class="text-red-500 block mt-2">{{ error }}</span>
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<span v-else class="block mt-2">
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426
src/views/ContactQRScanView.vue
Normal file
426
src/views/ContactQRScanView.vue
Normal file
@@ -0,0 +1,426 @@
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<template>
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<!-- CONTENT -->
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<section id="Content" class="relativew-[100vw] h-[100vh]">
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<div class="absolute inset-x-0 bottom-0 bg-black/50 p-6">
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<p class="text-center text-white mb-3">
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Point your camera at a TimeSafari contact QR code to scan it automatically.
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</p>
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<p v-if="error" class="text-center text-rose-300 mb-3">{{ error }}</p>
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<div class="text-center">
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<button
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class="text-center text-white leading-none bg-slate-400 p-2 rounded-full"
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@click="$router.back()"
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>
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<font-awesome icon="xmark" class="w-[1em]"></font-awesome>
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</button>
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</div>
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</div>
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<div class="text-center">
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</div>
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</section>
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</template>
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<script lang="ts">
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import { Component, Vue } from "vue-facing-decorator";
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import { Router } from "vue-router";
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import { logger } from "../utils/logger";
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import { QRScannerFactory } from "../services/QRScanner/QRScannerFactory";
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import QuickNav from "../components/QuickNav.vue";
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import { NotificationIface } from "../constants/app";
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import { db } from "../db/index";
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import { Contact } from "../db/tables/contacts";
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import { getContactJwtFromJwtUrl } from "../libs/crypto";
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import { decodeEndorserJwt } from "../libs/crypto/vc";
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import { retrieveSettingsForActiveAccount } from "../db/index";
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import { setVisibilityUtil } from "../libs/endorserServer";
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interface QRScanResult {
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rawValue?: string;
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barcode?: string;
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}
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@Component({
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components: {
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QuickNav,
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},
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})
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export default class ContactQRScan extends Vue {
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$notify!: (notification: NotificationIface, timeout?: number) => void;
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$router!: Router;
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isScanning = false;
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error: string | null = null;
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activeDid = "";
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apiServer = "";
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// Add new properties to track scanning state
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private lastScannedValue: string = "";
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private lastScanTime: number = 0;
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private readonly SCAN_DEBOUNCE_MS = 2000; // Prevent duplicate scans within 2 seconds
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// Add cleanup tracking
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private isCleaningUp = false;
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private isMounted = false;
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async created() {
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try {
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const settings = await retrieveSettingsForActiveAccount();
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this.activeDid = settings.activeDid || "";
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this.apiServer = settings.apiServer || "";
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} catch (error) {
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logger.error("Error initializing component:", {
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error: error instanceof Error ? error.message : String(error),
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stack: error instanceof Error ? error.stack : undefined,
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});
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this.$notify({
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group: "alert",
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type: "danger",
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title: "Initialization Error",
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text: "Failed to initialize QR scanner. Please try again.",
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});
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}
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}
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async startScanning() {
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if (this.isCleaningUp) {
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logger.debug("Cannot start scanning during cleanup");
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return;
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}
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try {
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this.error = null;
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this.isScanning = true;
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this.lastScannedValue = "";
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this.lastScanTime = 0;
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const scanner = QRScannerFactory.getInstance();
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// Check if scanning is supported first
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if (!(await scanner.isSupported())) {
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this.error =
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"Camera access requires HTTPS. Please use a secure connection.";
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this.isScanning = false;
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this.$notify(
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{
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group: "alert",
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type: "warning",
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title: "HTTPS Required",
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text: "Camera access requires a secure (HTTPS) connection",
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},
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5000,
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);
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return;
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}
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// Check permissions first
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if (!(await scanner.checkPermissions())) {
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const granted = await scanner.requestPermissions();
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if (!granted) {
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this.error = "Camera permission denied";
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this.isScanning = false;
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// Show notification for better visibility
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this.$notify(
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{
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group: "alert",
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type: "warning",
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title: "Camera Access Required",
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text: "Camera permission denied",
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},
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5000,
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);
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return;
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}
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}
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// Add scan listener
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scanner.addListener({
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onScan: this.onScanDetect,
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onError: this.onScanError,
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});
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// Start scanning
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await scanner.startScan();
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} catch (error) {
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this.error = error instanceof Error ? error.message : String(error);
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this.isScanning = false;
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logger.error("Error starting scan:", {
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error: error instanceof Error ? error.message : String(error),
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stack: error instanceof Error ? error.stack : undefined,
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});
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}
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}
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async stopScanning() {
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try {
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const scanner = QRScannerFactory.getInstance();
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await scanner.stopScan();
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} catch (error) {
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logger.error("Error stopping scan:", {
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error: error instanceof Error ? error.message : String(error),
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stack: error instanceof Error ? error.stack : undefined,
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});
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} finally {
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this.isScanning = false;
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this.lastScannedValue = "";
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this.lastScanTime = 0;
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}
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}
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async cleanupScanner() {
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if (this.isCleaningUp) {
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return;
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}
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this.isCleaningUp = true;
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try {
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logger.info("Cleaning up QR scanner resources");
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await this.stopScanning();
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await QRScannerFactory.cleanup();
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} catch (error) {
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logger.error("Error during scanner cleanup:", {
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error: error instanceof Error ? error.message : String(error),
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stack: error instanceof Error ? error.stack : undefined,
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});
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} finally {
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this.isCleaningUp = false;
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}
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}
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/**
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* Handle QR code scan result with debouncing to prevent duplicate scans
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*/
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async onScanDetect(result: string | QRScanResult) {
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try {
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// Extract raw value from different possible formats
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const rawValue =
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typeof result === "string"
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? result
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: result?.rawValue || result?.barcode;
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if (!rawValue) {
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logger.warn("Invalid scan result - no value found:", result);
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return;
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}
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// Debounce duplicate scans
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const now = Date.now();
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if (
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rawValue === this.lastScannedValue &&
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now - this.lastScanTime < this.SCAN_DEBOUNCE_MS
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) {
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logger.info("Ignoring duplicate scan:", rawValue);
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return;
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}
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// Update scan tracking
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this.lastScannedValue = rawValue;
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this.lastScanTime = now;
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logger.info("Processing QR code scan result:", rawValue);
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// Extract JWT
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const jwt = getContactJwtFromJwtUrl(rawValue);
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if (!jwt) {
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logger.warn("Invalid QR code format - no JWT found in URL");
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this.$notify({
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group: "alert",
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type: "danger",
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title: "Invalid QR Code",
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text: "This QR code does not contain valid contact information. Please scan a TimeSafari contact QR code.",
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});
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return;
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}
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// Process JWT and contact info
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logger.info("Decoding JWT payload from QR code");
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const decodedJwt = await decodeEndorserJwt(jwt);
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if (!decodedJwt?.payload?.own) {
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logger.warn("Invalid JWT payload - missing 'own' field");
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this.$notify({
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group: "alert",
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type: "danger",
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title: "Invalid Contact Info",
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text: "The contact information is incomplete or invalid.",
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});
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return;
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}
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const contactInfo = decodedJwt.payload.own;
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if (!contactInfo.did) {
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logger.warn("Invalid contact info - missing DID");
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this.$notify({
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group: "alert",
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type: "danger",
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title: "Invalid Contact",
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text: "The contact DID is missing.",
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});
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return;
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}
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// Create contact object
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const contact = {
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did: contactInfo.did,
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name: contactInfo.name || "",
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email: contactInfo.email || "",
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phone: contactInfo.phone || "",
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company: contactInfo.company || "",
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title: contactInfo.title || "",
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notes: contactInfo.notes || "",
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};
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// Add contact and stop scanning
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logger.info("Adding new contact to database:", {
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did: contact.did,
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name: contact.name,
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});
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await this.addNewContact(contact);
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await this.stopScanning();
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this.$router.back(); // Return to previous view after successful scan
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} catch (error) {
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logger.error("Error processing contact QR code:", {
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error: error instanceof Error ? error.message : String(error),
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stack: error instanceof Error ? error.stack : undefined,
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});
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this.$notify({
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group: "alert",
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type: "danger",
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title: "Error",
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text:
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error instanceof Error
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? error.message
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: "Could not process QR code. Please try again.",
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});
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}
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}
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onScanError(error: Error) {
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this.error = error.message;
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logger.error("QR code scan error:", {
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error: error.message,
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stack: error.stack,
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});
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}
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async setVisibility(contact: Contact, visibility: boolean) {
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const result = await setVisibilityUtil(
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this.activeDid,
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this.apiServer,
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this.axios,
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db,
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contact,
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visibility,
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);
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if (result.error) {
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this.$notify({
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group: "alert",
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type: "danger",
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title: "Error Setting Visibility",
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text: result.error as string,
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});
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} else if (!result.success) {
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logger.warn("Unexpected result from setting visibility:", result);
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}
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}
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async addNewContact(contact: Contact) {
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try {
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logger.info("Opening database connection for new contact");
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await db.open();
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// Check if contact already exists
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const existingContacts = await db.contacts.toArray();
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const existingContact = existingContacts.find(
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(c) => c.did === contact.did,
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);
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if (existingContact) {
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logger.info("Contact already exists", { did: contact.did });
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this.$notify(
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{
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group: "alert",
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type: "warning",
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title: "Contact Exists",
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text: "This contact has already been added to your list.",
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},
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3000,
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);
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return;
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}
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// Add new contact
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await db.contacts.add(contact);
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if (this.activeDid) {
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logger.info("Setting contact visibility", { did: contact.did });
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await this.setVisibility(contact, true);
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contact.seesMe = true;
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}
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this.$notify(
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{
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group: "alert",
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type: "success",
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title: "Contact Added",
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text: this.activeDid
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? "They were added, and your activity is visible to them."
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: "They were added.",
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},
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3000,
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);
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} catch (error) {
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logger.error("Error saving contact to database:", {
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did: contact.did,
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error: error instanceof Error ? error.message : String(error),
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stack: error instanceof Error ? error.stack : undefined,
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});
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this.$notify(
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{
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group: "alert",
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type: "danger",
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title: "Contact Error",
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text: "Could not save contact. Check if it already exists.",
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},
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5000,
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);
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}
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}
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// Lifecycle hooks
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mounted() {
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this.isMounted = true;
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document.addEventListener("pause", this.handleAppPause);
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document.addEventListener("resume", this.handleAppResume);
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this.startScanning(); // Automatically start scanning when view is mounted
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}
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beforeDestroy() {
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this.isMounted = false;
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document.removeEventListener("pause", this.handleAppPause);
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document.removeEventListener("resume", this.handleAppResume);
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this.cleanupScanner();
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}
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async handleAppPause() {
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if (!this.isMounted) return;
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logger.info("App paused, stopping scanner");
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await this.stopScanning();
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}
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handleAppResume() {
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if (!this.isMounted) return;
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logger.info("App resumed, scanner can be restarted by user");
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this.isScanning = false;
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}
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}
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</script>
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<style scoped>
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.aspect-square {
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aspect-ratio: 1 / 1;
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}
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</style>
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Reference in New Issue
Block a user