feat: show extraction progress (#1217)

ui/flutter/lib/api/model/task.dart

@@ -8,6 +8,18 @@ enum Status { ready, running, pause, wait, error, done }
 
 enum Protocol { http, bt }
 
+// ExtractStatus enum matching Go backend
+enum ExtractStatus {
+  @JsonValue('')
+  none,
+  @JsonValue('extracting')
+  extracting,
+  @JsonValue('done')
+  done,
+  @JsonValue('error')
+  error
+}
+
 @JsonSerializable(explicitToJson: true)
 class Task {
   String id;
@@ -43,6 +55,8 @@ class Progress {
   int downloaded;
   int uploadSpeed;
   int uploaded;
+  ExtractStatus extractStatus;
+  int extractProgress;
 
   Progress({
     required this.used,
@@ -50,6 +64,8 @@ class Progress {
     required this.downloaded,
     required this.uploadSpeed,
     required this.uploaded,
+    this.extractStatus = ExtractStatus.none,
+    this.extractProgress = 0,
   });
 
   factory Progress.fromJson(Map<String, dynamic> json) =>

ui/flutter/lib/api/model/task.g.dart

@@ -53,12 +53,23 @@ const _$ProtocolEnumMap = {
   Protocol.bt: 'bt',
 };
 
+const _$ExtractStatusEnumMap = {
+  ExtractStatus.none: '',
+  ExtractStatus.extracting: 'extracting',
+  ExtractStatus.done: 'done',
+  ExtractStatus.error: 'error',
+};
+
 Progress _$ProgressFromJson(Map<String, dynamic> json) => Progress(
       used: (json['used'] as num).toInt(),
       speed: (json['speed'] as num).toInt(),
       downloaded: (json['downloaded'] as num).toInt(),
       uploadSpeed: (json['uploadSpeed'] as num).toInt(),
       uploaded: (json['uploaded'] as num).toInt(),
+      extractStatus: $enumDecodeNullable(
+              _$ExtractStatusEnumMap, json['extractStatus']) ??
+          ExtractStatus.none,
+      extractProgress: (json['extractProgress'] as num?)?.toInt() ?? 0,
     );
 
 Map<String, dynamic> _$ProgressToJson(Progress instance) => <String, dynamic>{
@@ -67,4 +78,6 @@ Map<String, dynamic> _$ProgressToJson(Progress instance) => <String, dynamic>{
       'downloaded': instance.downloaded,
       'uploadSpeed': instance.uploadSpeed,
       'uploaded': instance.uploaded,
+      'extractStatus': _$ExtractStatusEnumMap[instance.extractStatus]!,
+      'extractProgress': instance.extractProgress,
     };