171 lines
5.4 KiB
C#
Executable File
171 lines
5.4 KiB
C#
Executable File
/* ZaaImporter.cs
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* part of zaaReloaded2
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*
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* Copyright 2017 Daniel Kraus
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Linq;
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using System.Text;
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using Bovender.Extensions;
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using zaaReloaded2.LabModel;
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using zaaReloaded2.Thesaurus;
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namespace zaaReloaded2.Importer
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{
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/// <summary>
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/// Base class for certain importers such as ZaaImporter, ClinicImporter.
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/// </summary>
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public class BaseImporter : IImporter
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{
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#region IImporter implementation
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public Laboratory Laboratory
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{
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[DebuggerStepThrough]
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get
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{
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if (_laboratory == null)
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{
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_laboratory = new Laboratory();
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}
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return _laboratory;
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}
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[DebuggerStepThrough]
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set
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{
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_laboratory = value;
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}
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}
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public bool Success
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{
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get
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{
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return Laboratory.TimePoints.Count > 0;
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}
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}
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/// <summary>
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/// Splits the <paramref name="text"/> into individual time points
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/// and creates <see cref="TimePoint"/> objects from them.
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/// </summary>
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public void Import(string text)
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{
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Logger.Info("Import: \"{0}\"", text.TruncateWithEllipsis(120));
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string[] paragraphs = Helpers.SplitParagraphs(text);
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Logger.Info("Import: {0} paragraph(s)", paragraphs.Length);
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TimePoint timePoint = null;
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foreach (string paragraph in paragraphs)
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{
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Logger.Info("Import: \"{0}\"", paragraph.TruncateWithEllipsis(40));
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// If the current paragraph looks like a time stamp,
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// create a new time point.
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if (IsTimeStamp(paragraph))
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{
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Logger.Info("Import: Time stamp detected", paragraph);
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timePoint = CreateTimePoint(paragraph, _parameters, _units);
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// Add the time point to the laboratory only if none
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// with the same time stamp exists yet.
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TimePoint existing = null;
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if (Laboratory.TryGetTimePoint(timePoint.TimeStamp, ref existing))
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{
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timePoint = existing;
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}
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else
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{
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Laboratory.AddTimePoint(timePoint);
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}
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}
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// If the current paragraph looks like a paragraph with
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// laboratory items, add it to the current time point;
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// if no time point exists yet, create one.
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else if (IsItemsParagraph(paragraph))
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{
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Logger.Info("Import: Paragraph with lab items detected");
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if (timePoint == null)
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{
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timePoint = CreateTimePoint(paragraph, _parameters, _units);
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Laboratory.AddTimePoint(timePoint);
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}
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else
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{
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timePoint.Parse(paragraph);
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}
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}
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else
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{
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Logger.Debug("Import: Neither time stamp, nor Lauris paragraph");
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}
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}
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}
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#endregion
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#region Constructor
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public BaseImporter()
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{
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_parameters = Parameters.Default;
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_units = Units.Default;
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}
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#endregion
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#region Virtual methods
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protected virtual TimePoint CreateTimePoint(string paragraph, Parameters parameters, Units units)
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{
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NotImplementedException e = new NotImplementedException("Cannot create TimePoint in base class - derived class must override CreateTimePoint");
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Logger.Fatal(e);
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throw e;
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}
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protected virtual bool IsTimeStamp(string paragraph)
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{
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NotImplementedException e = new NotImplementedException("Cannot test time stamp in base class - derived class must override IsTimeStamp");
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Logger.Fatal(e);
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throw e;
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}
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protected virtual bool IsItemsParagraph(string paragraph)
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{
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NotImplementedException e = new NotImplementedException("Cannot test items in base class - derived class must override IsItemsParagraph");
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Logger.Fatal(e);
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throw e;
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}
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#endregion
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#region Fields
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Laboratory _laboratory;
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Parameters _parameters;
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Units _units;
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#endregion
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#region Class logger
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private static NLog.Logger Logger { get { return _logger.Value; } }
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private static readonly Lazy<NLog.Logger> _logger = new Lazy<NLog.Logger>(() => NLog.LogManager.GetCurrentClassLogger());
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#endregion
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}
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}
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