forked from ddrilling/AsbCloudServer
98 lines
3.8 KiB
C#
98 lines
3.8 KiB
C#
using AsbCloudDb.Model;
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namespace AsbCloudInfrastructure.Services.DetectOperations
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{
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#nullable enable
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abstract class DetectorAbstract
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{
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public int StepLength { get; set; } = 3;
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public int FragmentLength { get; set; } = 6;
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public int IdCategory { get; }
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// TODO: assert MaxDurationSeconds and MinDurationSeconds
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public double MaxDurationSeconds { get; } = 24 * 60 * 60;
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public double MinDurationSeconds { get; } = 3;
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/// <summary>
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/// Конструктор детектора.
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/// Словарь с IdCategory в дефолтных данных AsbCloudDbContext для таблицы WellOperationCategory
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/// </summary>
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/// <param name="IdCategory">ключ названия/описания операции из таблицы WellOperationCategory</param>
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public DetectorAbstract(int IdCategory)
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{
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this.IdCategory = IdCategory;
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}
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public virtual DetectedOperation? DetectOrDefault(DetectableTelemetry[] telemetry, ref int positionStart)
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{
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if ((telemetry.Length > positionStart + FragmentLength + StepLength) && DetectStart(telemetry, positionStart))
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{
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var skip = positionStart + StepLength;
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while (telemetry.Length > skip + FragmentLength)
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{
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if (DetectEnd(telemetry, skip))
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{
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var dateStart = telemetry[positionStart].DateTime;
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var dateEnd = telemetry[skip].DateTime;
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var durationSec = (dateEnd - dateStart).TotalSeconds;
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if (durationSec < MinDurationSeconds || durationSec > MaxDurationSeconds)
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return null;
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var result = new DetectedOperation
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{
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IdCategory = IdCategory,
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IdUsersAtStart = telemetry[positionStart].IdUser ?? -1,
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DateStart = dateStart,
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DateEnd = dateEnd,
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DepthStart = telemetry[positionStart].WellDepth ?? -1d,
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DepthEnd = telemetry[skip].WellDepth ?? -1d,
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Value = CalcValue(telemetry, positionStart, skip),
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};
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if (!IsValid(result))
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return null;
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positionStart = skip;// + FragmentLength;
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return result;
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}
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skip = skip + StepLength;
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}
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}
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return null;
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}
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/// <summary>
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/// Расчет ключевого параметра
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/// </summary>
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/// <param name="result"></param>
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protected abstract double CalcValue(DetectableTelemetry[] telemetry, int positionBegin, int positionEnd);
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/// <summary>
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/// Определение начала операции
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/// </summary>
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/// <param name="telemetry"></param>
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/// <param name="position"></param>
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/// <returns></returns>
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protected abstract bool DetectStart(DetectableTelemetry[] telemetry, int position);
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/// <summary>
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/// Определение окончания операции
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/// </summary>
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/// <param name="telemetry"></param>
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/// <param name="position"></param>
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/// <returns></returns>
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protected abstract bool DetectEnd(DetectableTelemetry[] telemetry, int position);
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/// <summary>
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/// Валидация операции
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/// </summary>
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/// <param name="result"></param>
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/// <returns></returns>
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protected abstract bool IsValid(DetectedOperation result);
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}
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#nullable disable
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}
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