2025-12-29 First Commit

lib/AnnouncementManager/announcement_model.dart

@@ -0,0 +1,51 @@
+import 'package:intl/intl.dart';
+
+class Announcement {
+  final int uniqueNo;
+  final String title; // bbs_title
+  final String description; // bbs_desc (詳細內容)
+  final String createdBy; // create_user (作者)
+  final DateTime billDate; // billdate (發布日期)
+  final DateTime startDate; // startdate
+  final DateTime endDate; // end_date
+  final String? attachment; // bbs_attach
+
+  Announcement({
+    required this.uniqueNo,
+    required this.title,
+    required this.description,
+    required this.createdBy,
+    required this.billDate,
+    required this.startDate,
+    required this.endDate,
+    this.attachment,
+  });
+
+  // Factory 構造函數：從 API 返回的 JSON (Map) 創建 Announcement 物件
+  factory Announcement.fromJson(Map<String, dynamic> json) {
+    // 輔助函數：安全解析日期字串
+    DateTime? parseDate(dynamic date) {
+      if (date is String && date.isNotEmpty) {
+        // 假設日期格式為 YYYY-MM-DD HH:mm:ss.sss
+        return DateTime.tryParse(date);
+      }
+      return DateTime.now(); // 預設為當前時間或您可以選擇 null
+    }
+
+    return Announcement(
+      uniqueNo: json['uniqueno'] as int? ?? 0,
+      title: json['bbs_title'] as String? ?? '無標題',
+      description: json['bbs_desc'] as String? ?? '無詳細內容',
+      createdBy: json['create_user'] as String? ?? '未知作者',
+      billDate: parseDate(json['billdate'])!,
+      startDate: parseDate(json['startdate'])!,
+      endDate: parseDate(json['end_date'])!,
+      attachment: json['bbs_attach'] as String?,
+    );
+  }
+
+  // 格式化日期，用於列表顯示
+  String get formattedBillDate {
+    return DateFormat('yyyy/MM/dd HH:mm').format(billDate);
+  }
+}