modify clockin & leave

lib/leave/leave_api.dart

@@ -71,6 +71,11 @@ class LeaveApiService {
       "flow_status": "1", // 提交即進入審核中
       "create_user": currentUid,
       "create_date": DateFormat('yyyy-MM-dd HH:mm:ss').format(DateTime.now()),
+      // Sync calc
+      "start_date": DateFormat('yyyy-MM-dd').format(leave.startTime!),
+      "end_date": DateFormat('yyyy-MM-dd').format(leave.endTime!),
+      "start_time": DateFormat('HH:mm').format(leave.startTime!),
+      "end_time": DateFormat('HH:mm').format(leave.endTime!),
     };
 
     return await _apiService.fetchList<Leave>(
@@ -82,4 +87,42 @@ class LeaveApiService {
       fromJson: (json) => Leave.fromJson(json), // 這裡填入模型的解析工廠
     );
   }
+
+  // 修正 5: 實作撤回請假單 API
+  Future<bool> withdrawLeave(String billNo) async {
+    try {
+      await _apiService.fetchList<dynamic>(
+        tableName: "hrs_leave",
+        pk: "billno",
+        queryFilter: "billno^$billNo", // 指定該單號
+        action: "U", // U 代表 Update
+        data: {
+          "flow_status": "0", // 0: 退回草稿/已撤回
+          "update_user": AuthManager().currentUserId,
+          "update_date": DateFormat('yyyy-MM-dd HH:mm:ss').format(DateTime.now()),
+        },
+        fromJson: (json) => json,
+      );
+      return true;
+    } catch (e) {
+      print("撤回失敗: $e");
+      return false;
+    }
+  }
+
+  // 修正 3: 查詢簽核進度 (FlowLog)
+  Future<List<FlowLog>> fetchFlowLogs(String billNo) async {
+    // 假設有一張表 flow_log 記錄簽核歷程
+    return await _apiService.fetchList<FlowLog>(
+      tableName: "flow_log",
+      pk: "log_id",
+      queryFilter: "1^50^create_date^*^^^billno^$billNo",
+      fromJson: (json) => FlowLog(
+        stepName: json['step_name'] ?? '簽核節點',
+        approverName: json['approver_name'] ?? '系統/主管',
+        status: json['status'] ?? '0',
+        time: json['create_date'] != null ? DateTime.tryParse(json['create_date']) : null,
+      ),
+    );
+  }
 }