init

lib/app/features/transfer/controller/transfers_controller.dart

@@ -0,0 +1,127 @@
+import 'package:riverpod_annotation/riverpod_annotation.dart';
+
+import '../../../../backend/api/commands.dart' as commands;
+import '../../../../backend/transfer/model.dart';
+
+part 'transfers_controller.g.dart';
+
+@riverpod
+class TransfersController extends _$TransfersController {
+  @override
+  Future<List<Transfer>> build() async {
+    return commands.getTransfers();
+  }
+
+  Future<void> refresh() async {
+    state = const AsyncLoading();
+    state = await AsyncValue.guard(commands.getTransfers);
+  }
+
+  void updateProgress(String id, double currentBytes) {
+    final current = state.asData?.value;
+    if (current == null || current.isEmpty) {
+      return;
+    }
+
+    final normalized = currentBytes < 0 ? 0.0 : currentBytes;
+    var changed = false;
+
+    final next = current
+        .map((item) {
+          if (item.id != id) {
+            return item;
+          }
+
+          if ((item.progress - normalized).abs() < 0.001) {
+            return item;
+          }
+
+          changed = true;
+          return Transfer(
+            id: item.id,
+            createTime: item.createTime,
+            sender: item.sender,
+            senderIp: item.senderIp,
+            fileName: item.fileName,
+            fileSize: item.fileSize,
+            savePath: item.savePath,
+            status: item.status,
+            type: item.type,
+            contentType: item.contentType,
+            text: item.text,
+            errorMsg: item.errorMsg,
+            token: item.token,
+            progress: normalized,
+            lastReadTime: item.lastReadTime,
+            speed: item.speed,
+          );
+        })
+        .toList(growable: false);
+
+    if (changed) {
+      state = AsyncData(next);
+    }
+  }
+
+  void upsertTransfer(Transfer transfer) {
+    final current = state.asData?.value ?? const <Transfer>[];
+    final index = current.indexWhere((item) => item.id == transfer.id);
+
+    if (index < 0) {
+      state = AsyncData([...current, transfer]);
+      return;
+    }
+
+    final old = current[index];
+    if (old == transfer) {
+      return;
+    }
+
+    final next = [...current];
+    next[index] = transfer;
+    state = AsyncData(next);
+  }
+
+  void removeTransfer(String id) {
+    final current = state.asData?.value;
+    if (current == null || current.isEmpty) {
+      return;
+    }
+
+    final next = current.where((item) => item.id != id).toList(growable: false);
+    if (next.length != current.length) {
+      state = AsyncData(next);
+    }
+  }
+
+  void clearTransfersLocal() {
+    state = const AsyncData(<Transfer>[]);
+  }
+
+  Future<void> cancel(String id) async {
+    await commands.cancelTransfer(id: id);
+  }
+
+  Future<void> accept(String id, String path) async {
+    await commands.resolvePendingRequest(id: id, accept: true, path: path);
+  }
+
+  Future<void> reject(String id) async {
+    await commands.resolvePendingRequest(id: id, accept: false, path: '');
+  }
+
+  Future<void> delete(String id) async {
+    await commands.deleteTransfer(id: id);
+  }
+
+  Future<void> clearCompleted() async {
+    final current = state.asData?.value ?? const <Transfer>[];
+    final hasCompleted = current.any(
+      (item) => item.status is TransferStatus_Completed,
+    );
+    if (!hasCompleted) {
+      return;
+    }
+    await commands.clearTransfers();
+  }
+}