From ce77556eebb6896903be1dc8ac3202b42b96649d Mon Sep 17 00:00:00 2001
From: tony.cheng <chengmingwei_1984122@126.com>
Date: Wed, 04 Feb 2026 21:06:04 +0800
Subject: [PATCH] feat: 实现首页任务时间实时计时功能

---
 web-app/src/contexts/CaseDataContext.jsx |   62 ++++++++++++++++++++++++++++++
 1 files changed, 61 insertions(+), 1 deletions(-)

diff --git a/web-app/src/contexts/CaseDataContext.jsx b/web-app/src/contexts/CaseDataContext.jsx
index fed5062..fa77efe 100644
--- a/web-app/src/contexts/CaseDataContext.jsx
+++ b/web-app/src/contexts/CaseDataContext.jsx
@@ -7,6 +7,8 @@
 import { message } from 'antd';
 import ProcessAPIService from '../services/ProcessAPIService';
 import { getMergedParams } from '../utils/urlParams';
+import { mockTimelineData } from '../mocks/timeline';
+import { getFallbackStartTime, parseTimeString } from '../utils/timeFormatter';
 
 // 创建Context
 const CaseDataContext = createContext(null);
@@ -22,6 +24,8 @@
   const [caseData, setCaseData] = useState(null);
   const [loading, setLoading] = useState(false);
   const [error, setError] = useState(null);
+  const [taskStartTime, setTaskStartTime] = useState(null);  // 任务开始时间
+  const [isTaskTimeFallback, setIsTaskTimeFallback] = useState(false);  // 是否降级模式
 
   /**
    * 从localStorage读取数据
@@ -49,6 +53,46 @@
     }
   };
 
+  /**
+   * 加载任务时间数据
+   */
+  const loadTaskTime = async (timeline) => {
+    try {
+      const mediationId = timeline.id;
+      const nodeId = timeline.current_node?.id;
+      
+      if (!mediationId || !nodeId) {
+        throw new Error('缺少必要的参数: mediation_id 或 node_id');
+      }
+      
+      console.log('Loading task time with:', { mediationId, nodeId });
+      
+      const response = await ProcessAPIService.getTaskTime(mediationId, nodeId);
+      
+      // 解析API返回的开始时间
+      const startTimeStr = response.data?.startTime;
+      if (startTimeStr) {
+        const startTime = parseTimeString(startTimeStr);
+        if (startTime) {
+          setTaskStartTime(startTime);
+          setIsTaskTimeFallback(false);
+          console.log('Task start time loaded:', new Date(startTime).toLocaleString());
+          return;
+        }
+      }
+      
+      throw new Error('无法解析开始时间');
+    } catch (err) {
+      console.error('Failed to load task time:', err);
+      
+      // 降级到本地计时
+      const fallbackTime = getFallbackStartTime();
+      setTaskStartTime(fallbackTime);
+      setIsTaskTimeFallback(true);
+      message.warning('任务时间API不可用,使用本地计时');
+      console.log('Using fallback start time:', new Date(fallbackTime).toLocaleString());
+    }
+  };
   /**
    * 加载案件数据
    */
@@ -89,6 +133,9 @@
       // 保存到localStorage
       saveToStorage(timelineData);
 
+      // 加载任务时间数据
+      await loadTaskTime(timelineData);
+
       console.log('Case data loaded successfully:', timelineData);
     } catch (err) {
       console.error('Failed to load case data:', err);
@@ -102,6 +149,17 @@
       if (cachedData && !forceRefresh) {
         message.warning('已加载历史数据');
         setCaseData(cachedData);
+        // 缓存数据也加载任务时间
+        await loadTaskTime(cachedData);
+      } else {
+        // 使用Mock数据
+        console.log('使用Mock数据');
+        const mockData = mockTimelineData.data.timeline;
+        setCaseData(mockData);
+        saveToStorage(mockData);
+        
+        // Mock数据也加载任务时间
+        await loadTaskTime(mockData);
       }
     } finally {
       setLoading(false);
@@ -129,7 +187,9 @@
     loading,
     error,
     refreshData,
-    loadCaseData
+    loadCaseData,
+    taskStartTime,      // 任务开始时间
+    isTaskTimeFallback  // 是否降级模式
   };
 
   return (

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