feat: complete leave approval MVP

2026-07-18 19:20:07 +08:00
parent 2105fe3bac
commit 090a7e33ce
133 changed files with 7845 additions and 100 deletions
@@ -0,0 +1,138 @@
+import 'package:aioa_mobile/features/form/application/leave_attachment_controller.dart';
+import 'package:file_picker/file_picker.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+
+class LeaveAttachmentSheet extends ConsumerStatefulWidget {
+  const LeaveAttachmentSheet({required this.leaveRequestId, super.key});
+
+  final String leaveRequestId;
+
+  @override
+  ConsumerState<LeaveAttachmentSheet> createState() =>
+      _LeaveAttachmentSheetState();
+}
+
+class _LeaveAttachmentSheetState extends ConsumerState<LeaveAttachmentSheet> {
+  @override
+  void initState() {
+    super.initState();
+    Future.microtask(
+      () => ref
+          .read(leaveAttachmentProvider(widget.leaveRequestId).notifier)
+          .load(),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final state = ref.watch(leaveAttachmentProvider(widget.leaveRequestId));
+    return SafeArea(
+      child: Padding(
+        padding: EdgeInsets.fromLTRB(
+          20,
+          0,
+          20,
+          20 + MediaQuery.viewInsetsOf(context).bottom,
+        ),
+        child: Column(
+          mainAxisSize: MainAxisSize.min,
+          crossAxisAlignment: CrossAxisAlignment.stretch,
+          children: [
+            Text(
+              '添加附件',
+              style: Theme.of(
+                context,
+              ).textTheme.titleLarge?.copyWith(fontWeight: FontWeight.w700),
+            ),
+            const SizedBox(height: 6),
+            const Text('支持 JPEG、PNG、PDF，单个文件不超过 10 MB。文件将直接上传至对象存储。'),
+            if (state.error != null) ...[
+              const SizedBox(height: 10),
+              Text(
+                state.error!,
+                style: TextStyle(color: Theme.of(context).colorScheme.error),
+              ),
+            ],
+            if (state.uploading) ...[
+              const SizedBox(height: 14),
+              LinearProgressIndicator(value: state.progress),
+              const SizedBox(height: 6),
+              Text('正在上传 ${(state.progress * 100).round()}%'),
+            ],
+            if (state.items.isNotEmpty) ...[
+              const SizedBox(height: 14),
+              for (final item in state.items)
+                ListTile(
+                  contentPadding: EdgeInsets.zero,
+                  leading: Icon(
+                    item.contentType == 'application/pdf'
+                        ? Icons.picture_as_pdf_outlined
+                        : Icons.image_outlined,
+                  ),
+                  title: Text(
+                    item.fileName,
+                    maxLines: 1,
+                    overflow: TextOverflow.ellipsis,
+                  ),
+                  subtitle: Text(
+                    '${_formatBytes(item.sizeBytes)} · ${item.status == 'READY' ? '已上传' : '处理中'}',
+                  ),
+                  trailing: item.status == 'READY'
+                      ? const Icon(Icons.check_circle, color: Colors.green)
+                      : null,
+                ),
+            ],
+            const SizedBox(height: 14),
+            OutlinedButton.icon(
+              onPressed: state.uploading ? null : _pickAndUpload,
+              icon: const Icon(Icons.attach_file),
+              label: const Padding(
+                padding: EdgeInsets.symmetric(vertical: 12),
+                child: Text('选择附件'),
+              ),
+            ),
+            const SizedBox(height: 8),
+            FilledButton(
+              onPressed: state.uploading ? null : () => Navigator.pop(context),
+              child: const Text('完成'),
+            ),
+          ],
+        ),
+      ),
+    );
+  }
+
+  Future<void> _pickAndUpload() async {
+    final result = await FilePicker.platform.pickFiles(
+      type: FileType.custom,
+      allowedExtensions: const ['jpg', 'jpeg', 'png', 'pdf'],
+      withData: true,
+    );
+    if (result == null || !mounted) return;
+    final file = result.files.single;
+    final bytes = file.bytes;
+    if (bytes == null) {
+      ScaffoldMessenger.of(
+        context,
+      ).showSnackBar(const SnackBar(content: Text('无法读取所选文件')));
+      return;
+    }
+    final contentType = switch (file.extension?.toLowerCase()) {
+      'jpg' || 'jpeg' => 'image/jpeg',
+      'png' => 'image/png',
+      'pdf' => 'application/pdf',
+      _ => null,
+    };
+    if (contentType == null) return;
+    await ref
+        .read(leaveAttachmentProvider(widget.leaveRequestId).notifier)
+        .upload(fileName: file.name, contentType: contentType, bytes: bytes);
+  }
+
+  String _formatBytes(int bytes) {
+    if (bytes < 1024) return '$bytes B';
+    if (bytes < 1024 * 1024) return '${(bytes / 1024).toStringAsFixed(1)} KB';
+    return '${(bytes / (1024 * 1024)).toStringAsFixed(1)} MB';
+  }
+}