38 lines
1.2 KiB
C#
38 lines
1.2 KiB
C#
namespace SHH.CameraDashboard
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{
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public class MonitorRepository
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{
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private const string MODULE = "MonitorAPI";
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public async Task<MonitorWebApiData> GetDashboardDataAsync()
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{
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try
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{
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var json = await WebApiService.Instance.GetAsync(WebApiRoutes.Monitor.Dashboard, MODULE);
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// 1. 反序列化
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var data = JsonHelper.Deserialize<MonitorWebApiData>(json);
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// 2. 【核心修复】空合并运算符
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// 如果 data 为 null，立即 new 一个空对象返回
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return data ?? new MonitorWebApiData();
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}
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catch
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{
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// 3. 【兜底】发生任何异常（断网/解析错误），返回空对象
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// 保证 ViewModel 拿到永远是实例
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return new MonitorWebApiData();
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}
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}
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public async Task<string> GetSnapshotUrlAsync(string id)
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{
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// 假设返回的是图片 URL 或者是 Base64
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return await WebApiService.Instance.GetAsync(WebApiRoutes.Monitor.Snapshot(id), MODULE);
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}
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}
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public class MonitorWebApiData
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{
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}
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} |