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430 lines
13 KiB
430 lines
13 KiB
import 'dart:io';
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import 'dart:math';
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/// 使用 Uint8List 数据类型
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import 'dart:typed_data';
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import 'package:bytedesk_kefu/mqtt/bytedesk_mqtt.dart';
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import 'package:bytedesk_kefu/util/bytedesk_constants.dart';
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import 'package:sp_util/sp_util.dart';
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import 'package:flutter/foundation.dart';
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import 'package:flutter/material.dart';
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import 'package:fluttertoast/fluttertoast.dart';
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import 'package:intl/intl.dart';
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// import 'package:flutter_image_compress/flutter_image_compress.dart';
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// import 'package:permission_handler/permission_handler.dart';
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/// 使用 DefaultCacheManager 类（可能无法自动引入，需要手动引入）
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import 'package:flutter_cache_manager/flutter_cache_manager.dart';
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/// 授权管理
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// import 'package:permission_handler/permission_handler.dart';
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/// 图片缓存管理
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import 'package:cached_network_image/cached_network_image.dart';
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/// 保存文件或图片到本地
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import 'package:image_gallery_saver/image_gallery_saver.dart';
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import 'package:flutter/services.dart' show rootBundle;
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class BytedeskUtils {
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//
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static bool get isDesktop => !isWeb && (isWindows || isLinux || isMacOS);
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static bool get isMobile => isAndroid || isIOS;
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static bool get isWeb => kIsWeb;
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static bool get isWindows => Platform.isWindows;
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static bool get isLinux => Platform.isLinux;
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static bool get isMacOS => Platform.isMacOS;
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static bool get isAndroid => Platform.isAndroid;
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static bool get isFuchsia => Platform.isFuchsia;
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static bool get isIOS => Platform.isIOS;
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static String client() {
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if (isWeb) {
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return 'flutter_web';
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} else if (isAndroid) {
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return 'flutter_android';
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} else if (isIOS) {
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return 'flutter_ios';
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} else {
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return 'flutter_web';
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}
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}
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static String clientSchool() {
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if (isWeb) {
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return 'flutter_web_school';
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} else if (isAndroid) {
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return 'flutter_android_school';
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} else if (isIOS) {
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return 'flutter_ios_school';
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} else {
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return 'flutter_web_school';
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}
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}
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static String getClient() {
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String? role = SpUtil.getString(BytedeskConstants.role,
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defValue: BytedeskConstants.ROLE_VISITOR);
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// 区分用户端，还是学校端
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return (role == BytedeskConstants.ROLE_VISITOR)
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? BytedeskUtils.client()
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: BytedeskUtils.clientSchool();
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}
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static String getBaseUrl() {
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if (isWeb) {
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return BytedeskConstants.httpBaseUrl;
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} else if (isAndroid) {
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return BytedeskConstants.httpBaseUrlAndroid;
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} else if (isIOS) {
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return BytedeskConstants.httpBaseUrliOS;
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} else {
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return BytedeskConstants.httpBaseUrl;
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}
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}
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// 含访客登录
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static bool? isLogin() {
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return SpUtil.getBool(BytedeskConstants.isLogin);
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}
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// 验证手机号登录
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static bool? isAuthenticated() {
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return SpUtil.getBool(BytedeskConstants.isAuthenticated);
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}
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// 当前是否客服页面
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static bool? isCurrentChatKfPage() {
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return SpUtil.getBool(BytedeskConstants.isCurrentChatKfPage);
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}
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//
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static String? getAccessToken() {
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return SpUtil.getString(BytedeskConstants.accessToken);
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}
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static String? getUid() {
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return SpUtil.getString(BytedeskConstants.uid);
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}
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static String? getNickname() {
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return SpUtil.getString(BytedeskConstants.nickname);
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}
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static String? getAvatar() {
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return SpUtil.getString(BytedeskConstants.avatar);
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}
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static String? getDescription() {
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return SpUtil.getString(BytedeskConstants.description);
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}
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static bool mqttConnect() {
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var isLogin = SpUtil.getBool(BytedeskConstants.isLogin);
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if (isLogin!) {
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new BytedeskMqtt();
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return true;
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}
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return false;
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}
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static bool mqttReConnect() {
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bool isConnected = new BytedeskMqtt().isConnected();
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if (!isConnected) {
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new BytedeskMqtt().reconnect();
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return true;
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}
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return false;
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}
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static bool isMqttConnected() {
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return new BytedeskMqtt().isConnected();
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}
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static double? getLatitude() {
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if (isWeb) {
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return SpUtil.getDouble(BytedeskConstants.latitude);
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} else if (isAndroid) {
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return SpUtil.getDouble(BytedeskConstants.latitude);
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} else {
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return double.parse(SpUtil.getString(BytedeskConstants.latitude)!);
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}
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}
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static double? getLongtitude() {
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if (isWeb) {
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return SpUtil.getDouble(BytedeskConstants.longtitude);
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} else if (isAndroid) {
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return SpUtil.getDouble(BytedeskConstants.longtitude);
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} else {
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return double.parse(SpUtil.getString(BytedeskConstants.longtitude)!);
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}
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}
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// static Color string2Color(String colorString) {
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// int value = 0x00000000;
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// if (isNotEmpty(colorString)) {
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// if (colorString[0] == '#') {
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// colorString = colorString.substring(1);
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// }
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// value = int.tryParse(colorString, radix: 16);
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// if (value != null) {
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// if (value < 0xFF000000) {
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// value += 0xFF000000;
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// }
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// }
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// }
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// return Color(value);
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// }
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static String formatedDateNow() {
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var format = new DateFormat('yyyy-MM-dd HH:mm:ss');
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return format.format(new DateTime.now());
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}
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static Map url2query(String url) {
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var search = new RegExp('([^&=]+)=?([^&]*)');
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var result = new Map();
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// Get rid off the beginning ? in query strings.
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if (url.startsWith('?')) url = url.substring(1);
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// A custom decoder.
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decode(String s) => Uri.decodeComponent(s.replaceAll('+', ' '));
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// Go through all the matches and build the result map.
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for (Match match in search.allMatches(url)) {
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result[decode(match.group(1)!)] = decode(match.group(2)!);
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}
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return result;
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}
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static Color randomColor() {
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return Color((Random().nextDouble() * 0xFFFFFF).toInt() << 0)
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.withOpacity(1.0);
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}
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static String removeDecimalZeroFormat(double n) {
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return n.toStringAsFixed(n.truncateToDouble() == n ? 0 : 1);
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}
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static String getDateStr(DateTime date) {
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if (date == null || date.toString() == null) {
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return "";
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} else if (date.toString().length < 10) {
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return date.toString();
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}
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return date.toString().substring(0, 10);
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}
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static int currentTimeMillis() {
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return new DateTime.now().millisecondsSinceEpoch;
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}
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// 图片压缩 https://pub.dev/packages/flutter_image_compress
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// static Future<File> compressImage(File file, String targetPath) async {
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// // print("compressImage");
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// final result = await FlutterImageCompress.compressAndGetFile(
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// file.absolute.path,
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// targetPath,
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// quality: 60,
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// minWidth: 256,
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// minHeight: 256,
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// rotate: 0,
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// );
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// return result;
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// }
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//
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static const double MILLIS_LIMIT = 1000.0;
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static const double SECONDS_LIMIT = 60 * MILLIS_LIMIT;
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static const double MINUTES_LIMIT = 60 * SECONDS_LIMIT;
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static const double HOURS_LIMIT = 24 * MINUTES_LIMIT;
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static const double DAYS_LIMIT = 30 * HOURS_LIMIT;
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static String getNewsTimeStr(DateTime date) {
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int subTime =
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DateTime.now().millisecondsSinceEpoch - date.millisecondsSinceEpoch;
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if (subTime < MILLIS_LIMIT) {
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return "刚刚";
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} else if (subTime < SECONDS_LIMIT) {
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return (subTime / MILLIS_LIMIT).round().toString() + " 秒前";
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} else if (subTime < MINUTES_LIMIT) {
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return (subTime / SECONDS_LIMIT).round().toString() + " 分钟前";
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} else if (subTime < HOURS_LIMIT) {
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return (subTime / MINUTES_LIMIT).round().toString() + " 小时前";
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} else if (subTime < DAYS_LIMIT) {
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return (subTime / HOURS_LIMIT).round().toString() + " 天前";
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} else {
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return getDateStr(date);
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}
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}
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static String getTimeDuration(String comTime) {
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var nowTime = DateTime.now();
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var compareTime = DateTime.parse(comTime);
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if (nowTime.isAfter(compareTime)) {
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if (nowTime.year == compareTime.year) {
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if (nowTime.month == compareTime.month) {
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if (nowTime.day == compareTime.day) {
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// if (nowTime.hour == compareTime.hour) {
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// if (nowTime.minute == compareTime.minute) {
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//
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return compareTime.hour.toString() +
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':' +
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((compareTime.minute < 10)
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? '0' + compareTime.minute.toString()
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: compareTime.minute.toString());
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// }
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// return (nowTime.minute - compareTime.minute).toString() + '分钟前';
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// }
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// return (nowTime.hour - compareTime.hour).toString() + '小时前';
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}
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return (nowTime.day - compareTime.day).toString() + '天前';
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}
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return (nowTime.month - compareTime.month).toString() + '月前';
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}
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return (nowTime.year - compareTime.year).toString() + '年前';
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}
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return 'time error';
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}
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static Future<bool> requestPermission() async {
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print('请求定位');
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return true;
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// FIXME:
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// if (await Permission.location.request().isGranted) {
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// return true;
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// } else {
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// // decorated.toast('需要定位权限!');
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// return false;
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// }
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}
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/// 根据两点经纬度 使用math 算出之间距离
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/// https://blog.csdn.net/weixin_38025168/article/details/107491452
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static double getDistance(
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double lat1, double lng1, double lat2, double lng2) {
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/// 单位：米
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double def = 6378137.0;
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double radLat1 = _rad(lat1);
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double radLat2 = _rad(lat2);
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double a = radLat1 - radLat2;
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double b = _rad(lng1) - _rad(lng2);
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double s = 2 *
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asin(sqrt(pow(sin(a / 2), 2) +
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cos(radLat1) * cos(radLat2) * pow(sin(b / 2), 2)));
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return (s * def).roundToDouble() / 1000; // 返回千米
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}
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static double _rad(double d) {
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return d * pi / 180.0;
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}
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// static Color textColor(BuildContext context) {
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// return ThemeUtils.isDark(context) ? Colours.dark_text : Colours.text;
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// }
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//销量转换
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static String calculateSales(int sales) {
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String prefix = '已拼';
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if (sales >= 10000 && sales < 100000) {
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return '$prefix${(sales / 10000).toStringAsFixed(1)}万件';
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} else if (sales >= 100000) {
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return '${prefix}10万+件';
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}
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return '$prefix$sales件';
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}
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//价格转换
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static String convertPrice(int price) {
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String result = (price / 100).toString();
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//如果小数点后只有1位,且为 0
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if (result.endsWith('.0')) {
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return result.substring(0, result.lastIndexOf('.'));
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}
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return result;
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}
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/// 保存图片到相册
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/// 默认为下载网络图片，如需下载资源图片，需要指定 [isAsset] 为 `true`。
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static Future<void> saveImage(String imageUrl, {bool isAsset: false}) async {
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try {
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// if (imageUrl == null) throw '保存失败，图片不存在！';
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/// 权限检测
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// PermissionStatus storageStatus = await Permission.storage.status;
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// if (storageStatus != PermissionStatus.granted) {
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// storageStatus = await Permission.storage.request();
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// if (storageStatus != PermissionStatus.granted) {
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// throw '无法存储图片，请先授权！';
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// }
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// }
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/// 保存的图片数据
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Uint8List imageBytes;
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if (isAsset == true) {
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/// 保存资源图片
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ByteData bytes = await rootBundle.load(imageUrl);
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imageBytes = bytes.buffer.asUint8List();
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} else {
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/// 保存网络图片
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CachedNetworkImage image = CachedNetworkImage(imageUrl: imageUrl);
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DefaultCacheManager manager = DefaultCacheManager();
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Map<String, String>? headers = image.httpHeaders;
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File file = await manager.getSingleFile(
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image.imageUrl,
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headers: headers,
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);
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imageBytes = await file.readAsBytes();
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}
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/// 保存图片
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final result = await ImageGallerySaver.saveImage(imageBytes);
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if (result == null || result == '') throw '图片保存失败';
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// 提示
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Fluttertoast.showToast(msg: "保存成功");
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print("保存成功");
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} catch (e) {
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print(e.toString());
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}
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}
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// 退出登录
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static void exitLogin(BuildContext context) {
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// 友盟统计：取消用户账号
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// UmengCommonSdk.onProfileSignOff();
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// 清空本地
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// SpUtil.putBool(BytedeskConstants.isLogin, false);
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// SpUtil.clear();
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// NavigatorUtils.push(context, LoginRouter.loginPage, clearStack: true);
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}
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// 清空本地缓存
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static void clearUserCache() {
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//
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SpUtil.putString(BytedeskConstants.uid, '');
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SpUtil.putString(BytedeskConstants.username, '');
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SpUtil.putString(BytedeskConstants.nickname, '');
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SpUtil.putString(BytedeskConstants.avatar, '');
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SpUtil.putString(BytedeskConstants.description, '');
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SpUtil.putString(BytedeskConstants.subDomain, '');
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SpUtil.putString(BytedeskConstants.role, '');
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//
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SpUtil.putString(BytedeskConstants.unionid, '');
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SpUtil.putString(BytedeskConstants.openid, '');
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//
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SpUtil.putBool(BytedeskConstants.isLogin, false);
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SpUtil.putBool(BytedeskConstants.isAuthenticated, false);
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SpUtil.putString(BytedeskConstants.mobile, '');
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SpUtil.putString(BytedeskConstants.accessToken, '');
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}
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}
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