添加项目文件。
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218
MoviconWebApi/API/DeviceStateApi/Data.cs
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218
MoviconWebApi/API/DeviceStateApi/Data.cs
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using MoviconWebApi.Entities;
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namespace MoviconWebApi.API.DeviceStateApi
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{
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public static class Data
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{
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/// <summary>
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/// 获取设备状态列表
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/// </summary>
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public static async Task<List<DeviceStateResponse>> GetDeviceStateListAsync(
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IFreeSql db,
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DeviceStateRequest request)
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{
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try
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{
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// 1) 校验时间范围
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var hasStart = DateTime.TryParse(request.StartTime, out var startTime);
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var hasEnd = DateTime.TryParse(request.EndTime, out var endTime);
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if (!hasStart || !hasEnd)
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{
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// 未提供有效时间范围，返回空列表（遵循列表查询返回空集合不返回404的约定）
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return new List<DeviceStateResponse>();
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}
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if (endTime < startTime)
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{
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// 纠正时间顺序或直接返回空
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return new List<DeviceStateResponse>();
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}
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var totalMinutes = (endTime - startTime).TotalMinutes;
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if (totalMinutes <= 0)
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{
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return new List<DeviceStateResponse>();
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}
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// 2) 基础查询（按设备、时间过滤）
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var baseQuery = db.Select<DeviceState>()
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.WhereIf(!string.IsNullOrWhiteSpace(request.DeviceCode), x => x.DeviceCode == request.DeviceCode)
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.Where(x => x.CreateTime >= startTime && x.CreateTime <= endTime);
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// 3) 聚合统计：仅选择必要字段到内存做聚合，避免类型不兼容问题
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var lightList = await baseQuery.ToListAsync(a => new
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{
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a.PowerOnTime,
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a.RunTime,
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a.StandbyTime,
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a.FaultTime,
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a.ShutdownTime,
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a.FaultNum,
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a.JobNum
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});
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long totalPowerOn = lightList.Sum(x => (long)(x.PowerOnTime ?? 0));
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long totalRun = lightList.Sum(x => (long)(x.RunTime ?? 0));
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long totalStandby = lightList.Sum(x => (long)(x.StandbyTime ?? 0));
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long totalFault = lightList.Sum(x => (long)(x.FaultTime ?? 0));
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long totalShutdown = lightList.Sum(x => (long)(x.ShutdownTime ?? 0));
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long totalFaultCount = lightList.Sum(x => (long)(x.FaultNum ?? 0));
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long totalJobCount = lightList.Sum(x => (long)(x.JobNum ?? 0));
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// 若该时间段内没有任何记录，返回空集合
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var hasAnyData = (totalPowerOn + totalRun + totalStandby + totalFault + totalShutdown + totalFaultCount + totalJobCount) > 0;
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if (!hasAnyData)
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{
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return new List<DeviceStateResponse>();
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}
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// 4) 计算使用率：默认按（开机+运行+待机+故障）/ 时间段总分钟
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var usedMinutes = totalPowerOn + totalRun + totalStandby + totalFault; // 排除关机
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double ratio = usedMinutes <= 0 ? 0 : Math.Min(100.0, Math.Max(0.0, usedMinutes * 100.0 / totalMinutes));
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var useRatioText = $"{Math.Round(ratio, 2)}%";
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// 5) 获取设备名称（取时间段内最新一条的名称，避免跨设备统计导致名称混淆）
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string? deviceName = null;
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try
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{
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deviceName = await db.Select<DeviceState>()
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.WhereIf(!string.IsNullOrWhiteSpace(request.DeviceCode), x => x.DeviceCode == request.DeviceCode)
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.Where(x => x.CreateTime >= startTime && x.CreateTime <= endTime)
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.OrderByDescending(x => x.CreateTime)
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.FirstAsync(x => x.DeviceName);
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}
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catch
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{
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// 忽略设备名获取失败，不影响主逻辑
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}
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// 6) 组装单条汇总结果
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var summary = new DeviceStateResponse
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{
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DeviceCode = string.IsNullOrWhiteSpace(request.DeviceCode) ? null : request.DeviceCode,
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DeviceName = deviceName,
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PowerOnTime = (int)totalPowerOn,
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RunTime = (int)totalRun,
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StandbyTime = (int)totalStandby,
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FaultTime = (int)totalFault,
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ShutdownTime = (int)totalShutdown,
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UseRatio = useRatioText,
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FaultNum = (int)totalFaultCount,
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JobNum = (int)totalJobCount,
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CreateTime = endTime.ToString("yyyy-MM-dd HH:mm:ss")
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};
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return new List<DeviceStateResponse> { summary };
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}
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catch (Exception ex)
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{
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throw new Exception($"查询设备状态数据失败: {ex.Message}", ex);
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}
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}
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/// <summary>
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/// 分页获取设备状态
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/// </summary>
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public static async Task<(List<DeviceStateResponse>, long)> GetDeviceStatePagedAsync(
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IFreeSql db,
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DeviceStatePagedRequest request)
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{
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try
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{
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var query = db.Select<DeviceState>()
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.WhereIf(!string.IsNullOrWhiteSpace(request.DeviceCode),
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a => a.DeviceCode == request.DeviceCode);
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if (!string.IsNullOrWhiteSpace(request.StartTime) &&
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DateTime.TryParse(request.StartTime, out var startTime))
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{
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query = query.Where(a => a.CreateTime >= startTime);
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}
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if (!string.IsNullOrWhiteSpace(request.EndTime) &&
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DateTime.TryParse(request.EndTime, out var endTime))
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{
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query = query.Where(a => a.CreateTime <= endTime);
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}
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var total = await query.CountAsync();
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var data = await query
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.OrderByDescending(a => a.CreateTime)
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.Page(request.PageIndex, request.PageSize)
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.ToListAsync(a => new DeviceStateResponse
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{
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DeviceCode = a.DeviceCode,
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DeviceName = a.DeviceName,
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PowerOnTime = a.PowerOnTime,
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RunTime = a.RunTime,
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StandbyTime = a.StandbyTime,
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FaultTime = a.FaultTime,
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ShutdownTime = a.ShutdownTime,
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UseRatio = a.UseRatio,
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FaultNum = a.FaultNum,
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JobNum = a.JobNum,
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CreateTime = a.CreateTime.ToString("yyyy-MM-dd HH:mm:ss")
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});
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return (data ?? new List<DeviceStateResponse>(), total);
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}
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catch (Exception ex)
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{
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throw new Exception($"分页查询设备状态数据失败: {ex.Message}", ex);
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}
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}
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/// <summary>
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/// 获取最新的设备状态记录
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/// </summary>
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public static async Task<DeviceStateResponse?> GetLatestDeviceStateAsync(
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IFreeSql db,
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DeviceStateRequest request)
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{
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try
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{
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var query = db.Select<DeviceState>()
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.WhereIf(!string.IsNullOrWhiteSpace(request.DeviceCode),
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a => a.DeviceCode == request.DeviceCode);
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if (!string.IsNullOrWhiteSpace(request.StartTime) &&
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DateTime.TryParse(request.StartTime, out var startTime))
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{
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query = query.Where(a => a.CreateTime >= startTime);
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}
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if (!string.IsNullOrWhiteSpace(request.EndTime) &&
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DateTime.TryParse(request.EndTime, out var endTime))
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{
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query = query.Where(a => a.CreateTime <= endTime);
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}
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var data = await query
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.OrderByDescending(a => a.CreateTime)
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.FirstAsync(a => new DeviceStateResponse
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{
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DeviceCode = a.DeviceCode,
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DeviceName = a.DeviceName,
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PowerOnTime = a.PowerOnTime,
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RunTime = a.RunTime,
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StandbyTime = a.StandbyTime,
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FaultTime = a.FaultTime,
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ShutdownTime = a.ShutdownTime,
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UseRatio = a.UseRatio,
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FaultNum = a.FaultNum,
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JobNum = a.JobNum,
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CreateTime = a.CreateTime.ToString("yyyy-MM-dd HH:mm:ss")
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});
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return data;
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}
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catch (Exception ex)
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{
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throw new Exception($"查询最新设备状态数据失败: {ex.Message}", ex);
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}
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}
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}
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}
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