下载ftp文件

lib/modules/meeting/controllers/meeting_connect_controller.dart

@@ -1,12 +1,17 @@
 import 'dart:async';
+import 'dart:io';
 
 import 'package:flutter_blue_plus/flutter_blue_plus.dart';
 import 'package:get/get.dart';
+import 'package:path_provider/path_provider.dart';
 import 'package:wifi_iot/wifi_iot.dart';
 
 import '../../../core/utils/ftpconnect/ftpconnect.dart';
+import 'meeting_controller.dart';
 
 class MeetingConnectController extends GetxController {
+  final _meetingController = Get.find<MeetingController>();
+
   RxString stateStr = '搜索中...'.obs;
   RxBool isRescan = false.obs;
   RxBool isImportedFiles = false.obs;
@@ -30,6 +35,11 @@ class MeetingConnectController extends GetxController {
 
   FTPConnect? _ftpConnect;
 
+  RxBool isDownload = false.obs;
+  RxDouble downloadProgress = 0.0.obs;
+  RxInt totalReceived = 0.obs;
+  RxInt fileSize = 0.obs;
+
   @override
   void onInit() {
     super.onInit();
@@ -208,10 +218,44 @@ class MeetingConnectController extends GetxController {
       );
       await _ftpConnect?.connect();
       _ftpConnect?.listCommand = ListCommand.LIST;
-      List<FTPEntry>? _listDirectory =
-          await _ftpConnect?.listDirectoryContent();
-      print(_listDirectory);
+      List<FTPEntry>? listDirectory = await _ftpConnect?.listDirectoryContent();
+      if (listDirectory != null && listDirectory.isNotEmpty) {
+        isDownload.value = true;
+        int totalSize = listDirectory.fold(
+          0,
+          (sum, entry) => sum + (entry.size ?? 0),
+        );
+        for (var i = 0; i < listDirectory.length; i++) {
+          stateStr.value = '共${listDirectory.length}个文件，正在下载第${i + 1}个文件...';
+          int previousSize = i > 0 ? listDirectory[i - 1].size ?? 0 : 0;
+          FTPEntry element = listDirectory[i];
+          await _downloadFile(totalSize, previousSize, element);
+        }
+        stateStr.value = '下载完成，共${listDirectory.length}个文件';
+        _disconnect();
+      }
+    }
+  }
+
+  Future<void> _downloadFile(
+      int totalSize, int previousSize, FTPEntry entry) async {
+    final directory = await getApplicationDocumentsDirectory();
+    final directoryDir = Directory('${directory.path}/RecordingPen');
+    if (!await directoryDir.exists()) {
+      await directoryDir.create(recursive: true);
     }
+    final String filePath = '${directory.path}/RecordingPen/${entry.name}';
+    final File localFile = File(filePath);
+    await _ftpConnect?.downloadFileWithRetry(
+      entry.name,
+      localFile,
+      onProgress: (double progress, int received, int size) {
+        downloadProgress.value = (previousSize + received) / totalSize;
+        totalReceived.value = received;
+        fileSize.value = size;
+      },
+    );
+    await _meetingController.insertMeetingAudio(entry.name, filePath, '');
   }
 
   String _decodePassword(List<int> data) {

lib/modules/meeting/controllers/meeting_controller.dart

@@ -190,13 +190,11 @@ class MeetingController extends GetxController {
       int addUp = 0;
       final appDir = await appDocDir;
 
-// 定义源目录列表
       final sourceDirs = [
         Directory("${appDir.path}/MeetingAudio/"),
         Directory("${appDir.path}/DestAudio/"),
       ];
 
-// 创建目标目录（如果不存在）
       final destDir = Directory("${appDir.path}/LocalAudio/");
       if (!await destDir.exists()) {
         await destDir.create(recursive: true);
@@ -212,8 +210,6 @@ class MeetingController extends GetxController {
         }
       }
 
-// 此时 allFiles 包含 MeetingAudio 和 DestAudio 目录下所有的文件
-
       for (final fileEntity in allFiles) {
         try {
           final file = File(fileEntity.path);
@@ -334,9 +330,21 @@ class MeetingController extends GetxController {
       }
     }
 
-    await _audioPlayer.setAudioSource(AudioSource.file(filePath!));
     var audiourl =
         await UploadOss.upload(filepath: filePath, rootDir: 'ExternalAudio');
+    final meetingId = await insertMeetingAudio(fileName, filePath, audiourl);
+
+    if (isParamProvided) {
+      Get.toNamed(Routes.meetingDetails, arguments: {
+        'id': meetingId,
+      });
+    }
+    EasyLoading.dismiss();
+  }
+
+  Future insertMeetingAudio(
+      String fileName, String filePath, String audiourl) async {
+    await _audioPlayer.setAudioSource(AudioSource.file(filePath));
     int seconds = _audioPlayer.duration?.inSeconds ?? 0;
     int creationTime = DateTime.now().millisecondsSinceEpoch;
     Map<String, Object?> data = {
@@ -357,13 +365,7 @@ class MeetingController extends GetxController {
       });
       addQuantity++;
     }
-
-    if (isParamProvided) {
-      Get.toNamed(Routes.meetingDetails, arguments: {
-        'id': meetingId,
-      });
-    }
-    EasyLoading.dismiss();
+    return meetingId;
   }
 
   Future<String> _saveFile(PlatformFile file) async {

lib/modules/meeting/views/meeting_connect_view.dart

@@ -89,6 +89,29 @@ class MeetingConnectView extends GetView<MeetingConnectController> {
                   )
                 : const SizedBox(),
           ),
+          Obx(() => controller.isDownload.value
+              ? Column(
+                  children: [
+                    Container(
+                      width: 300.w,
+                      height: 3.w,
+                      margin: EdgeInsets.only(bottom: 10.w),
+                      child: LinearProgressIndicator(
+                        value: controller.downloadProgress.value,
+                        valueColor:
+                            const AlwaysStoppedAnimation<Color>(Colors.red),
+                      ),
+                    ),
+                    Text(
+                      '${controller.totalReceived.value} / ${controller.fileSize.value} bytes',
+                      style: TextStyle(
+                        fontSize: 14.sp,
+                        color: isDarkMode ? Colors.white70 : Colors.black54,
+                      ),
+                    ),
+                  ],
+                )
+              : const SizedBox()),
         ],
       ),
     );